Patents Issued in February 1, 2024
  • Publication number: 20240038948
    Abstract: A display panel and a splicing screen are provided. The display panel includes a first substrate and a second substrate. The pixel unit on the first substrate includes a light-emitting area and a vacant area. The light-emitting area is provided with a light-emitting diode chip and a pixel driving circuit. At least one conductive hole is provided in the vacant area. The second substrate is arranged on a side of the first substrate facing away from the pixel unit, and the pixel driving circuit is electrically connected to a bonding conductive layer included in the second substrate through the conductive hole, which can eliminate a lower frame of the first substrate and prevent crack extension.
    Type: Application
    Filed: December 21, 2021
    Publication date: February 1, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Likun Cheng, Liang Sun, He Jiang
  • Publication number: 20240038949
    Abstract: A light-emitting package and a method for forming a light-emitting package are provided. The light-emitting package includes a substrate, an interconnection structure and a thermoelectric element. The interconnection structure is disposed over the substrate. The interconnection structure comprises a light-emitting element. The thermoelectric element penetrates through the substrate, extends into the interconnection structure and stops at the light-emitting element. The thermoelectric element is configured for local cooling of the light-emitting element.
    Type: Application
    Filed: July 29, 2022
    Publication date: February 1, 2024
    Inventors: JHENG-HONG JIANG, SHING-HUANG WU, CHIA-WEI LIU
  • Publication number: 20240038950
    Abstract: Provided is a light emitting module, including: a light emitting structure, an intermediate substrate, an IC and an IC input structure; where, the IC input structure is configured to transmit an IC driving input for driving the IC to the IC; a plurality of IC output terminals included in the IC are configured to transmit light emitting unit driving inputs for driving the light emitting structure to the light emitting structure; the intermediate substrate is electrically connected between the light emitting structure and the IC, and is configured to transmit light emitting unit driving inputs from the IC to the light emitting structure; and the light emitting structure is configured to receive the light emitting unit driving inputs by a plurality of light emitting unit input terminals. Also provided is a display device.
    Type: Application
    Filed: July 12, 2021
    Publication date: February 1, 2024
    Inventors: Honghao DIAO, Lingxi HUANG
  • Publication number: 20240038951
    Abstract: There are provided a mounted structure from which such a mounted structure can be obtained that is excellent in precision with little joining deviation and can be efficiently produced, an LED display, and a mounting method. A mounted structure is provided in which a semiconductor element including a terminal is mounted on a substrate including an electrode. The mounted structure includes a joining portion in which the terminal and the electrode are joined opposing each other. The electrode is a bump of a bulk metal material disposed on the substrate. The joining portion is produced by thermally fusing metal nanoparticles, the metal nanoparticles being deposited from a metal complex by laser irradiation, the metal complex having been transferred onto at least one of the electrode or the terminal by using a microcontact printing method.
    Type: Application
    Filed: September 2, 2021
    Publication date: February 1, 2024
    Applicant: DAICEL CORPORATION
    Inventor: Hiroto MIYAKE
  • Publication number: 20240038952
    Abstract: A display device comprises a thin film transistor layer comprising a first metal layer disposed on a substrate and a thin film transistor disposed on the first metal layer, first and second electrodes disposed in a display area on the thin film transistor layer and extending in parallel in a direction, a plurality of light emitting elements disposed between the first and second electrodes, and an alignment line disposed in a non-display area disposed adjacent to the display area and electrically connected to the first and second electrodes. The alignment line comprises metal patterns disposed in the first metal layer and spaced apart from each other, and a bridge portion disposed on the first metal layer and electrically connected to the metal patterns.
    Type: Application
    Filed: March 2, 2023
    Publication date: February 1, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: In Woo KIM, Yong Tae CHO, Kook Hyun CHOI, Chang Woo KWON, Dae Cheol KIM, Jong Hwan PARK, Ji Hyeon SON
  • Publication number: 20240038953
    Abstract: A display device includes a substrate including a first surface, a side surface, and a second surface opposite to the first surface, a display on the first surface, an electrode pad on the second surface and electrically connected to the display, an external connection terminal on the second surface, a first wire on the second surface and electrically connecting the electrode pad and the external connection terminal, and an inspection pad on the second surface and electrically connected to the electrode pad. At least a central portion of the inspection pad does not overlap the first wire.
    Type: Application
    Filed: December 1, 2021
    Publication date: February 1, 2024
    Inventors: Sho NAKAMITSU, Hiroaki ITO
  • Publication number: 20240038954
    Abstract: A display device includes a substrate including a first side and a second side adjoining the first side, a plurality of light emitters located on the substrate, a plurality of emission control signal lines located on the substrate to control an emission state or a non-emission state of the plurality of light emitters, and a plurality of connection pads located at an edge adjacent to the first side of the substrate and at an edge adjacent to the second side of the substrate. The plurality of connection pads is connected to the plurality of emission control signal lines.
    Type: Application
    Filed: December 1, 2021
    Publication date: February 1, 2024
    Inventor: Hiroaki ITO
  • Publication number: 20240038955
    Abstract: A manufacturing method of a light-emitting device includes: providing a light source comprising: a plurality of light-emitting units, a support substrate comprising, on a first upper surface: a plurality of first terminal portions electrically connected with respective ones of the light-emitting units, each comprising a plurality of terminals, and one or more first wire-connecting portions, and a light-reflective member covering the plurality of light-emitting units and comprising a recess in which one or more first wire-connecting portions are exposed from the light-reflective member; providing a control unit comprising, on a second upper surface: a first region where the light source is to be disposed, and one or more second wire-connecting portions disposed in a second region other than the first region; disposing the light source in the first region; and connecting the first and second wire-connecting portions with a first wire.
    Type: Application
    Filed: July 24, 2023
    Publication date: February 1, 2024
    Applicant: NICHIA CORPORATION
    Inventor: Tetsuya ISHIKAWA
  • Publication number: 20240038956
    Abstract: A pixel includes: a first conductive pattern, a second conductive pattern, and a third conductive pattern on a substrate and spaced apart from each other; a passivation layer on and exposing each of the first, second, and third conductive patterns; a via layer on the passivation layer and having first, second, and third via holes respectively exposing one area of the first conductive pattern, one area of the second conductive pattern, and one area of the third conductive pattern; first and second alignment electrodes on the via layer and electrically connected to the second conductive pattern and the first conductive pattern, respectively; and a light emitting element on the first and second alignment electrodes. The via layer has a first area and a second area that is thinner than the first area, and the second area is directly adjacent to at least one of the via holes.
    Type: Application
    Filed: July 26, 2023
    Publication date: February 1, 2024
    Inventors: Jong Chan LEE, Jun Seok Min, Jeong Su PARK, Sung Jin LEE, Woong Hee JEONG
  • Publication number: 20240038957
    Abstract: A wiring substrate includes: a base body having an insulating property and including a first surface and a second surface on a side opposite the first surface; a resist portion covering at least part of the first surface and at least a part of the second surface of the base body and including a hole portion having a predetermined pattern; and a wiring line disposed in the hole portion of the resist portion so as to be in contact with the base body. In a cross-sectional view in a thickness direction of the base body, a length of an exposed surface of the wiring line exposed from the resist portion is less than a length of a contact surface of the wiring line in contact with the base body.
    Type: Application
    Filed: July 27, 2023
    Publication date: February 1, 2024
    Applicant: NICHIA CORPORATION
    Inventors: Atsushi HOSOKAWA, Masaaki KATSUMATA
  • Publication number: 20240038958
    Abstract: A method for making light emitting device LED arrays includes the steps of providing a plurality of LEDs having a desired configuration (e.g., VLED, FCLED, PLED); attaching the LEDs to a carrier substrate and to a temporary substrate; forming one or more metal layers and one or more insulator layers configured to electrically connect the LEDs to form a desired circuitry; and separating the LEDs along with the layered metal layers and insulator layers that form the desired circuitry from the carrier substrate and the temporary substrate.
    Type: Application
    Filed: October 9, 2023
    Publication date: February 1, 2024
    Applicant: SemILEDs Optoelectronics Co., Ltd.
    Inventors: DAVID TRUNG DOAN, TRUNG TRI DOAN
  • Publication number: 20240038959
    Abstract: A display includes micro LEDs connected to a color conversion layer and driver ICs connected to the micro LEDs via an electrically connecting layer. Each micro LEDs includes an N pad and a P pad. The micro LEDs emit light of a same color, and the color conversion layer converts the light into various colors. The electrically connecting layer includes elongated negative electrodes connected to the N pads and elongated positive electrodes connected to the P pads. Each driver IC includes a first group of bonding pads on a face, a second group of bonding pads on an opposite face, and conductors for connecting the first group of bonding pads to the second group of bonding pads. Each bonding pad in the first group is connected to an elongated negative or positive electrode. The circuit board is connected to the second group of bonding pads of each driver IC.
    Type: Application
    Filed: October 13, 2023
    Publication date: February 1, 2024
    Inventors: CHIH-MENG WU, CHIEN-KUO TIEN, CHUN-CHUNG LIN
  • Publication number: 20240038960
    Abstract: The present disclosure provides a display backplane and a display device, the display backplane includes a backplane layer, a substrate layer, a heat conductive layer, a light-emitting layer, and heat conductive holes at least penetrating through the substrate layer, which are stacked and arranged. Heat dissipation columns are arranged in the heat conductive holes, and the heat dissipation columns are in contact with the heat conductive layer.
    Type: Application
    Filed: August 8, 2022
    Publication date: February 1, 2024
    Inventors: Qiong LIU, Lu CHEN, Junjie LI, Dan CAO
  • Publication number: 20240038961
    Abstract: The invention provides a packaged light-emitting element, which comprises a substrate, wherein the substrate comprises a front surface and a back surface; a light-emitting element is located on the front surface of the substrate, and a plurality of metal pillars buried in the substrate.
    Type: Application
    Filed: May 4, 2023
    Publication date: February 1, 2024
    Applicant: ProLight Opto Technology Corporation
    Inventors: Jung-Hao Hung, Meng-Ting Hsieh
  • Publication number: 20240038962
    Abstract: An electrochemical cell is provided that includes a first electrode, a second electrode, a separating layer that physically separates the first and second electrodes, and a porous layer disposed between the separating layer and the first electrode. The porous layer includes a porous material having a plurality of pores and a lithiating material that at least partially fills the pores of the plurality. The porous layer can be a continuous coating disposed on a surface of the separating layer opposing the first electrode or a continuous coating disposed on a surface of the first electrode opposing the separating layer. The porous material can include zeolites, aerogels, silicon oxides, porous aluminum oxides, titanium oxides, manganese oxides, and/or magnesium oxides. The lithiating material can include lithium peroxide and can fill between about 30 and about 60% of the pores of the porous material.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 1, 2024
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Xingcheng XIAO, Sherman H. ZENG, Meinan HE
  • Publication number: 20240038963
    Abstract: A negative electrode and lithium secondary battery including the same. The negative electrode includes: a current collector; and a negative electrode active material layer on at least one surface of the current collector. The negative electrode active material layer includes 1) a negative electrode active material including a Mg-containing silicon oxide particles, and a graphene coating layer surrounding the surface of the Mg-containing silicon oxide particles, 2) a conductive material including single-walled carbon nanotubes (SWCNT), and 3) a binder. The graphene contained in the graphene coating layer has a D/G band intensity ratio of 0.8 to 1.5, and the D/G band intensity ratio of the graphene is defined as an average value of the ratio of the maximum peak intensity of D band at 1360±50 cm?1 based on the maximum peak intensity of G band at 1580±50 cm?1, as determined by Raman spectroscopy of the graphene.
    Type: Application
    Filed: September 17, 2021
    Publication date: February 1, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: IL-GEUN OH, Sun-Young SHIN, Dong-Hyuk KIM, Yong-Ju LEE
  • Publication number: 20240038964
    Abstract: Disclosed is a battery, and in an electrochemical impedance spectroscopy (EIS) test of the battery, a charge transfer impedance Rct of the second semicircle in an intermediate frequency region meets: Rct<15 m?; and a slope k of a ray in a low frequency region meets: 1.03<k<57.29. The battery has low charge transfer impedance and lithium ion diffusion resistance during charging and discharging. The battery also has good lithium ion conductivity performance on the premise of having good cycling performance, and is a battery having good cycling performance and improved capacity, as well as good C-rate performance.
    Type: Application
    Filed: July 27, 2023
    Publication date: February 1, 2024
    Applicant: ZHUHAI COSMX POWER BATTERY CO., LTD.
    Inventors: Peng WU, Suli LI
  • Publication number: 20240038965
    Abstract: An all-solid secondary battery including: a cathode layer including a cathode active material layer; an anode layer; and a solid electrolyte layer including a solid electrolyte, wherein the solid electrolyte layer is disposed between the cathode layer and the anode layer, wherein the anode layer includes an anode current collector, a first anode active material layer in contact with the solid electrolyte layer, and a second anode active material layer disposed between the anode current collector and the first anode active material layer, wherein the first anode active material layer includes a first carbonaceous anode active material, and the second anode active material layer.
    Type: Application
    Filed: August 9, 2023
    Publication date: February 1, 2024
    Inventors: Jusik Kim, Sewon Kim, Victor ROEV, Myungjin Lee, Saebom Ryu, Dongmin Im
  • Publication number: 20240038966
    Abstract: A positive electrode for a nonaqueous secondary battery including an active material layer which has sufficient electron conductivity with a low ratio of a conductive additive is provided. A positive electrode for a nonaqueous secondary battery including an active material layer which is highly filled with an active material, id est, including the active material and a low ratio of a conductive additive. The active material layer includes a plurality of particles of an active material with a layered rock salt structure, graphene that is in surface contact with the plurality of particles of the active material, and a binder.
    Type: Application
    Filed: October 5, 2023
    Publication date: February 1, 2024
    Inventors: Takahiro KAWAKAMI, Masaki YAMAKAJI, Mako MOTOYOSHI, Rika YATABE
  • Publication number: 20240038967
    Abstract: The invention provides an electrode sheet, the surface of the active material layer of the electrode sheet is provided with an intermediate layer and a lithium-supplementing layer, the intermediate layer includes a solid electrolyte, and the lithium-supplementing layer includes a lithium-containing compound that self-decomposes to produce lithium ions. The electrode sheet of the present invention may effectively suppress the heat generated in the lithium supplementing process, and overcome the defect of continuous consumption of active lithium ions in the continuous growth of the SEI layer. Therefore, the electrode sheet provided by the present invention has excellent lithium supplementation effect and electrochemical performance.
    Type: Application
    Filed: November 15, 2022
    Publication date: February 1, 2024
    Applicant: AESC Japan Ltd.
    Inventors: Wenbin Lyu, Le Yu
  • Publication number: 20240038968
    Abstract: The present disclosure relates to a carbon composite for use in a cathode of a lithium-sulfur battery and a method for preparing the same. The carbon composite material includes: a porous carbon support; a catalyst containing a transition metal; and a carbon layer coated on at least a portion of a surface of the catalyst, where the transition metal comprises at least one element of cobalt (Co) and iron (Fe), and where the carbon layer comprises a nitrogen (N)-containing carbon compound.
    Type: Application
    Filed: May 17, 2023
    Publication date: February 1, 2024
    Inventors: Yo Chan JEONG, Jinwoo LEE, Seoa KIM, Kwon-Nam SOHN, Seung-Bo YANG, Won-Gwang LIM
  • Publication number: 20240038969
    Abstract: A method is disclosed for applying a protective layer on at least part of an exposed alkali metal or alkali metal alloy substrate. The method includes activating a gas using a plasma discharge to obtain an activated gas and contacting the exposed surface with the activated gas. A protective layer is formed on at least part of the exposed surface. The gas has a nitrogen-comprising compound such that the protective layer includes at least 60 mol % of a corresponding alkali metal nitrate. The present disclosure is further related to an article including a substrate having a surface including an alkali metal or alkali metal alloy and a protective layer arranged on at least part of the alkali metal or alkali metal alloy surface of the substrate. The protective layer is conductive to ions of the corresponding alkali metal and has at least 60 mol % of a corresponding alkali metal nitrate.
    Type: Application
    Filed: December 24, 2021
    Publication date: February 1, 2024
    Inventors: Vijay Shankar RANGASAMY, Annick VANHULSEL, Bert VERHEYDE, Dirk VANGENEUGDEN
  • Publication number: 20240038970
    Abstract: A positive electrode active material included in this non-aqueous electrolyte secondary battery positive electrode includes a lithium-transition metal composite oxide. The lithium-transition metal composite oxide contains 80-95 mol % of Ni and 0-20 mol % of Mn, and 3-8 mol % of a metal element other than Li is present in a Li layer of the lithium-transition metal composite oxide. The ratio m/n of the half width m of the diffraction peak for the (003) plane to the half width n of the diffraction peak for the (110) plane in an x-ray diffraction pattern obtained by x-ray diffraction of the positive electrode active material satisfies 0.72?m/n?0.85. The lithium-transition metal composite oxide is formed from secondary particles that are aggregates of primary particles, the internal porosity of the secondary particles being 1%-5%.
    Type: Application
    Filed: December 1, 2021
    Publication date: February 1, 2024
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Masakazu Togo, Yoshinori Aoki, Takeshi Ogasawara
  • Publication number: 20240038971
    Abstract: The secondary battery negative electrode of the present disclosure includes an active material layer, the active material layer includes a sulfide solid electrolyte and composite particles as an active material, the composite particles include a plurality of porous silicon particles and a binder, and the active material layer has a porosity of more than 15%.
    Type: Application
    Filed: May 8, 2023
    Publication date: February 1, 2024
    Inventors: Takayuki UCHIYAMA, Jun YOSHIDA, Tetsuya WASEDA
  • Publication number: 20240038972
    Abstract: An electrode material comprises a composite particle. The composite particle includes a core particle and a covering layer. The covering layer covers at least part of a surface of the core particle. The core particle includes an active material. The covering layer includes a first layer and a second layer. At least part of the first layer is interposed between the core particle and the second layer. The first layer includes a first solid electrolyte. The second layer includes a second solid electrolyte. The first solid electrolyte is a fluoride. The second solid electrolyte is a sulfide.
    Type: Application
    Filed: June 30, 2023
    Publication date: February 1, 2024
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Panasonic Holdings Corporation
    Inventors: Hiroki YABE, Izuru Sasaki, Kazuya Hashimoto, Yuta Sugimoto, Yusuke Nishio
  • Publication number: 20240038973
    Abstract: Disclosed, as a particle for cathode active materials, is a novel one-body particle for cathode active materials, including a core of lithium transition metal oxide containing Ni and a surface-layer portion formed on at least a part of the core, wherein the surface-layer portion contains both Co and a structure-stabilizing element, the core is present as a non-aggregated primary particle, and the structure-stabilizing element has a bond dissociation energy (BDE) with oxygen (O) greater than a bond dissociation energy (BDE) of Co and oxygen (O).
    Type: Application
    Filed: October 22, 2021
    Publication date: February 1, 2024
    Inventors: Hyun Gyu HAN, Han Ah KIM, Gi Hwan CHANG, Jeong A GU, Sung Kyun CHANG, Doe Hyoung KIM
  • Publication number: 20240038974
    Abstract: Composite particles for a non-aqueous electrolyte secondary battery include a lithium zirconate phase, and a silicon phase dispersed in the lithium zirconate phase. In the composite particles, a content proportion MZr of zirconium in all elements other than oxygen is, for example, 14.6 mass % or more and 54.6 mass % or less, and a content proportion MLi of lithium in all elements other than oxygen is, for example, 0.9 mass % or more and 10.4. mass % or less.
    Type: Application
    Filed: October 8, 2021
    Publication date: February 1, 2024
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Toshiki Kamidaira, Taisuke Asano, Naoki Seki
  • Publication number: 20240038975
    Abstract: Disclosed is an active material composite particle comprising Si and having cycle characteristics under low constraint. The active material composite particle of the present disclosure comprises Si and a resin, wherein an area ratio of the resin in a surface layer portion of the composite particle is higher than an area ratio of the resin in a center portion of the composite particle when a cross-section of the composite particle is observed.
    Type: Application
    Filed: July 24, 2023
    Publication date: February 1, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takayuki Uchiyama, Jun Yoshida
  • Publication number: 20240038976
    Abstract: A Si alloy powder for a negative electrode, the Si alloy powder including: a Si phase; a SiX compound phase; and at least one selected from the group consisting of a SnY compound phase and a AlY compound phase, in which the element Y in the SnY compound phase and the AlY compound phase includes at least one element selected from the group consisting of Cu, Fe, Ni, Cr, Co, Mn, Zr, and Ti, the Si alloy powder has an average particle diameter of 30 ?m or less, and an amount of the Si phase in an entire Si alloy is 30 mass % to 95 mass %.
    Type: Application
    Filed: July 28, 2023
    Publication date: February 1, 2024
    Inventors: Yuta KIMURA, Kyohei SHIMOMURA, Hiroyuki OHISA
  • Publication number: 20240038977
    Abstract: A Si alloy powder including: a Si phase; a SiX compound phase; and at least one selected from the group consisting of a SnY compound phase and a AlY compound phase, in which the element X comprises at least one element selected from the group consisting of Fe, Ni, Cr, Co, Mn, Zr, and Ti, the Si alloy powder has an average particle diameter of 50 ?m or less, and an amount of the Si phase in an entire Si alloy is 30 mass % to 95 mass %.
    Type: Application
    Filed: July 28, 2023
    Publication date: February 1, 2024
    Inventors: Hiroyuki OHISA, Kyohei SHIMOMURA
  • Publication number: 20240038978
    Abstract: The present invention provides a titanium-niobium composite oxide, which includes titanium, niobium, dopant M and oxygen, and the molar ratio of the titanium, niobium and dopant M is 1:(2?x):x, and x is 0.01 to 0.2; wherein the dopant M is doped in a crystal structure with a monoclinic crystal structure formed from the titanium, niobium and oxygen, and the dopant M is at least one metal element selected from the group consisting of Sn, Al and Zr. The present invention further provides a preparation method of the titanium-niobium composite oxide, an active material and a lithium ion secondary battery using the same. The titanium-niobium composite oxide produced by the present invention has better electrical performance than the existing negative electrode materials, so that the lithium ion secondary battery using it can exhibit longer cycle life, larger electric capacity and faster charging and discharging performance, thereby having a bright prospect of the application.
    Type: Application
    Filed: February 6, 2023
    Publication date: February 1, 2024
    Applicant: GUS TECHNOLOGY CO., LTD.
    Inventors: Chung-Chieh CHANG, Kuo-Wei YEH, Wen-Chia HSU, Jia-Hui WANG, Chia-Huan CHUNG, Dong-Ze WU, PREM CHANDAN DEVANGA
  • Publication number: 20240038979
    Abstract: This positive electrode active material contains a lithium metal composite oxide represented by general formula xLiyMO2-(1-x)LizMO2 (where 0<x<0.4, 1.5?y?2.5, 0.9?z?1.5, and M is one or more elements selected from the group consisting of transition metals and Al, Si, Sn, Ge, Sb, Bi, Mg, Ca, and Sr). The lithium metal composite oxide has a layered structurer, and has, in a single secondary particle, Li occupying an oxygen tetrahedral site and Li occupying an oxygen octahedral site.
    Type: Application
    Filed: December 24, 2021
    Publication date: February 1, 2024
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Hiroshi Kawada
  • Publication number: 20240038980
    Abstract: A positive electrode material for a nickel metal hydride secondary battery and a method for producing the positive electrode material for a nickel hydrogen secondary battery, capable of improving characteristics of a nickel metal hydride secondary battery by lowering volume resistivity, are provided. The positive electrode material for a nickel metal hydride secondary battery has, in a differential pore distribution in which a pore diameter range is 1.7 nm or more and 300 nm or less, a local maximum value of a highest peak of a differential pore volume positioned in a range of a pore diameter of 1.7 nm or more and 10.0 nm or less.
    Type: Application
    Filed: October 11, 2023
    Publication date: February 1, 2024
    Applicant: TANAKA CHEMICAL CORPORATION
    Inventors: Naotoshi Satomi, Mikio Hata, Naoya Hanamura
  • Publication number: 20240038981
    Abstract: Electrodes, electrochemical cells having higher threshold oxygen-release energies, and methods of making the same are disclosed. The electrodes may be a nickel-rich cathode with up to 10% of a rare-earth element such as cerium. The rare-earth element may be added by doping during the manufacture of the cathode or by applying a coating on a surface of the cathode.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 1, 2024
    Inventors: Christine Kay Lambert, Eunsung Lee, Kyungjin Park, Chi Paik
  • Publication number: 20240038982
    Abstract: A positive electrode active material for batteries which comprises Li, M?, and oxygen, wherein M? comprises: Ni in a content a between 70.0 mol % and 95.0 mol %; Co in a content x between 0.0 mol % and 25.0 mol %; Mn in a content y between 0.0 mol % and 25.0 mol %, a dopant D in a content z between 0.0 mol % and 2.0 mol %, Al and B in a total content c between 0.1 mol % and 5.0 mol %, wherein the active material has an Al content AlA and a B content BA, wherein a, x, y, z, c, AlA and BA are measured by ICP, wherein AlA, and BA are expressed as molar fractions compared to the sum of a and x and y, wherein the positive electrode active material, when measured by XPS analysis, shows an average Al fraction AlB and an average B fraction BB, wherein the ratio AlB/AlA>1.0, wherein the ratio BB/BA>1.0, and wherein the positive electrode active material is a single-crystalline powder.
    Type: Application
    Filed: December 14, 2021
    Publication date: February 1, 2024
    Inventors: JiHye KIM, Jens Martin PAULSEN
  • Publication number: 20240038983
    Abstract: A method of preparing a positive electrode active material, a positive electrode and a lithium battery including a positive electrode active material prepared by the same are disclosed herein. In some embodiments a method includes (A) sintering on a mixture of a positive electrode active material precursor and a lithium-containing raw material to prepare a pre-sintered product, (B) sintering a mixture of the pre-sintered product and an aluminum-containing raw material to prepare a lithium transition metal oxide, and (C) heating treating a dry mixture of the lithium transition metal oxide and a boron-containing raw material to form a coating layer.
    Type: Application
    Filed: January 11, 2022
    Publication date: February 1, 2024
    Applicants: LG Chem, Ltd., LG Chem, Ltd.
    Inventors: Jun Ho Eom, Dong Joon Ahn, Chae Jin Lim, Na Ri Park, Jun Won Lee, No Woo Kwak, Ji Hye Kim, Byoung Hun Jung
  • Publication number: 20240038984
    Abstract: A composition includes a first portion including Ni-rich LiNixCoyMnzO2, where 0.5<x<1, 0<y<1, 0<z<1; a second portion including Li3PO4 such that the second portion is coated on the first portion, and the first portion is doped with an elemental metal selected from at least one of Zr, Sn, Nb, Ta, Al, and Fe. The molar ratio between Li3PO4 and Ni-rich LiNixCoyMnzO2 ranges from 0.76:100 to 3.8:100. A method of forming a composition includes mixing a metal precursor with nickel-cobalt-manganese (NCM) precursor to form a first mixture; adding a lithium-based compound to the first mixture to form a second mixture; and calcining the second mixture at a predetermined temperature for a predetermined time to form the composition.
    Type: Application
    Filed: June 7, 2023
    Publication date: February 1, 2024
    Inventors: Michael Edward Badding, Jun Jin, Zhen Song, Zhaoyin Wen, Tongping Xiu, Liu Yao
  • Publication number: 20240038985
    Abstract: A positive electrode active material that inhibits a decrease in discharge capacity in charge and discharge cycles and a battery using the positive electrode active material are provided. A high-safety battery is provided. The battery includes a positive electrode including a positive electrode current collector and a positive electrode active material layer. The positive electrode current collector is a carbon sheet. The positive electrode active material contains lithium cobalt oxide containing nickel and magnesium. The detected amount of nickel in a surface portion of the positive electrode active material is larger than that in an inner portion of the positive electrode active material. The detected amount of magnesium in the surface portion of the positive electrode active material is larger than the detected amount of magnesium in the inner portion of the positive electrode active material.
    Type: Application
    Filed: July 21, 2023
    Publication date: February 1, 2024
    Inventors: Kengo AKIMOTO, Kazutaka KURIKI
  • Publication number: 20240038986
    Abstract: Disclosed are a positive electrode material and a preparation method thereof, a positive electrode plate, and a battery. The positive electrode material includes several particles having a polymeric single crystal morphology, and the particle having a polymeric single crystal morphology is formed by nesting several primary particles; and the positive electrode material meets a relational expression shown in Formula 1 as follows: D503=K×n×d503 Formula 1, where K is a coefficient having a range of 0.2?K?2; n is a quantity of primary particles having a range of 2?n?500; D50 is a median particle size of a positive electrode material, in a unit of ?m; and d50 is a median particle size of a primary particle, in a unit of The positive electrode material can ensure good cycling performance, stable high voltage cycling performance and safety performance.
    Type: Application
    Filed: July 27, 2023
    Publication date: February 1, 2024
    Applicant: ZHUHAI COSMX POWER BATTERY CO., LTD.
    Inventors: Peng WU, Suli LI
  • Publication number: 20240038987
    Abstract: A positive electrode active material for a secondary battery including: a lithium complex transition metal oxide which contains nickel (Ni) and cobalt (Co), and contains at least one selected from the group consisting of manganese (Mn) and aluminum (Al); and a composite coating portion which is formed on a surface of the lithium complex transition metal oxide is provided. The lithium complex transition metal oxide has a nickel (Ni) content of 65 mol % or more with respect to the total transition metal content, and the composite coating portion contains cobalt (Co) and boron (B), and contains at least one selected from the group consisting of lanthanum (La), titanium (Ti), and aluminum (Al).
    Type: Application
    Filed: October 6, 2023
    Publication date: February 1, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Won Tae Kim, Jong Yeol Yu, Hong Kyu Park, Sun Sik Shin, Seong Hoon Kang
  • Publication number: 20240038988
    Abstract: The present invention relates to a positive electrode active material having improved electrical characteristics by adjusting an aspect ratio gradient of primary particles included in a secondary particle. a positive electrode including the positive electrode active material, and a lithium secondary battery using the positive electrode.
    Type: Application
    Filed: October 16, 2023
    Publication date: February 1, 2024
    Applicant: ECOPRO BM CO., LTD.
    Inventors: Moon Ho CHOI, Seung Woo CHOI, Jun Won SUH, Jin Kyeong YUN, Jung Han LEE, Gwang Seok CHOE, Joong Ho BAE, Du Yeol KIM
  • Publication number: 20240038989
    Abstract: A sulfur-carbon composite including a porous carbon material; and sulfur present in at least a part of pores of the porous carbon material and on an outer surface of the porous carbon material, wherein an inner surface and the outer surface of the porous carbon material are doped with a carbonate compound. Also, a positive electrode and a secondary battery including the same. Further, a method of preparing a sulfur-carbon composite and a method of preparing a positive electrode.
    Type: Application
    Filed: April 6, 2023
    Publication date: February 1, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Soohyun KIM, Kwonnam SOHN, Doo Kyung YANG
  • Publication number: 20240038990
    Abstract: An electrochemical device includes a positive electrode, a negative electrode, and a separator. The negative electrode includes a negative electrode current collector and a negative electrode active material layer located on the negative electrode current collector. A cross-section porosity at a depth of less than 10 ?m from a surface of the negative electrode active material layer in a direction toward and perpendicular to the negative electrode current collector is X10, satisfying 5%?X10?25%, where the surface faces away from the negative electrode current collector. In some embodiments of this application, the effect of the electrolytic solution infiltrating the negative electrode active material layer is improved, and an ion transmission channel is provided, thereby helping to reduce impedance and suppress lithium plating.
    Type: Application
    Filed: September 29, 2023
    Publication date: February 1, 2024
    Applicant: Ningde Amperex Technology Limited
    Inventors: Jia TANG, Liyun MIAO
  • Publication number: 20240038991
    Abstract: The present disclosure includes a negative active material manufacturing method for lithium secondary battery, comprising: grinding the metal-based material into metal-based material nanoparticles through a grinding process; obtaining spherical particles by spheronizing the pulverized metal-based material nanoparticle, a conductive material, and a conductive additive together; obtaining a composite by complexing the spherical particles with an amorphous carbon-based precursor material; and carbonizing the composite; the conductive additive is a carbon nanotube; a content of the carbon nanotube is 0.2 to 2.3 wt % compared to the metal-based material nanoparticle in the composite, a negative active material according to the method, and a secondary battery including the same.
    Type: Application
    Filed: December 17, 2021
    Publication date: February 1, 2024
    Applicants: POSCO Holdings Inc., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Moonkyu CHO, Yong Jung KIM, Jung Gyu WOO, Seung YOU, Sun Jong PARK, Eun-Tae KANG
  • Publication number: 20240038992
    Abstract: The present invention relates to an anode active material, containing fullerene, for a metal secondary battery and a metal secondary battery using the same. When the anode active material for a metal secondary battery of the present invention is nano-grained and used for an anode of a metal secondary battery, it has inherent electrochemical properties of C60 fullerene so that excellent specific capacity was exhibited and enables high coulombic efficiency to be exhibited even after not less than 1,000 redox cycles so that it is suitable for use in the anode for a metal secondary battery.
    Type: Application
    Filed: December 22, 2021
    Publication date: February 1, 2024
    Inventors: Chae Ryong Cho, Ling Hong Yin
  • Publication number: 20240038993
    Abstract: A doped sodium vanadium phosphate and a preparation method and application thereof. Preparation steps of a nitrogen-doped peony-shaped molybdenum oxide in raw materials of the doped sodium vanadium phosphate are as follows: adding a regulator into a molybdenum-containing solution for reaction, concentrating and thermal treatment to obtain a peony-shaped molybdenum oxide; and dissolving the peony-shaped molybdenum oxide in a conditioning agent, and adding an amine source for standing, centrifuging, washing and heat treatment, thus obtaining the nitrogen-doped peony-shaped molybdenum oxide.
    Type: Application
    Filed: August 12, 2022
    Publication date: February 1, 2024
    Applicants: GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD., HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD., HUNAN BRUNP EV RECYCLING CO., LTD.
    Inventors: Haijun YU, Yingsheng ZHONG, Aixia LI, Yinghao XIE, Xuemei ZHANG, Changdong LI
  • Publication number: 20240038994
    Abstract: An anode for a lithium secondary battery according to exemplary embodiments of the present disclosure includes: an anode current collector; an adhesive layer formed on the anode current collector and includes a first binder; and an anode active material layer formed on the adhesive layer and includes an anode active material including silicon-carbon composite particles and a second binder.
    Type: Application
    Filed: July 11, 2023
    Publication date: February 1, 2024
    Inventors: Hyo Mi KIM, Moon Sung KIM, Sang Baek RYU, Da Hye PARK, Seung Hyun YOOK, Hwan Ho JANG, Kwang Ho JEONG, Da Bin CHUNG, Jun Hee HAN
  • Publication number: 20240038995
    Abstract: An electrochemical apparatus includes a positive electrode, the positive electrode includes a current collector and a positive electrode mixture layer disposed on at least one surface of the current collector. The positive electrode mixture layer includes a positive electrode active substance and a binder. The binder includes a fluorine-containing polymer. In an XRD diffraction pattern of the fluorine-containing polymer, a diffraction peak A appears at 25° to 27° and corresponds to a (111) crystal plane, and a diffraction peak B appears at 37° to 39° and corresponds to a (022) crystal plane, where an area ratio of the diffraction peak A to the diffraction peak B satisfies 1?A(111)/B(022)?4.
    Type: Application
    Filed: September 29, 2023
    Publication date: February 1, 2024
    Applicant: Ningde Amperex Technology Limited
    Inventor: Xiaohu CAI
  • Publication number: 20240038996
    Abstract: A method of making a capacitor-assisted hybrid electrode for a lithium-ion electrochemical cell includes admixing a solvent, a cellulose-based dispersant, and a plurality of capacitive particles comprising carbon to form a dispersion. The cellulose-based dispersant forms hydrogen bonds with one or more carbonyl-groups on the capacitive particles comprising carbon. The dispersion is combined with an electroactive material, an electrically conductive material, and a binder to form a slurry. The slurry is applied to a current collector and solidified to form the capacitor-assisted hybrid electrode having a composite hybrid active layer on the current collector. Capacitor-assisted hybrid electrodes formed from such methods are also provided.
    Type: Application
    Filed: September 22, 2022
    Publication date: February 1, 2024
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Dewen KONG, Meiyuan WU, Si CHEN, Haijing LIU
  • Publication number: 20240038997
    Abstract: A lithium metal battery cell has an electrolyte and an anode comprising an anode current collector and a thin film metal layer formed on the anode current collector, the thin film metal layer consisting of a metal that forms a solid solution with lithium metal. The thin film metal layer is configured to promote dense lithium deposition between the thin film metal layer and the electrolyte during charging.
    Type: Application
    Filed: July 29, 2022
    Publication date: February 1, 2024
    Inventors: Shigemasa Kuwata, Hideyuki Komatsu, Balachandran Gadaguntla Radhakrishnan, Maarten Sierhuis, Takuya Mishina, Kazuyuki Sakamoto