Having Utility As A Reactive Material In An Electrochemical Cell; E.g., Battery, Etc. Patents (Class 252/182.1)
  • Patent number: 11145849
    Abstract: The invention relates to methods for producing Si/C composite particles, characterised in that mixtures containing silicon particles, one or more oxygen-free polymers, one or more carbon additives based on a carbon modification and one or more liquid dispersing agents are dried by spray drying and the pre-composite particles thus obtained are thermally treated.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: October 12, 2021
    Assignee: WACKER CHEMIE AG
    Inventors: Dennis Troegel, Jelena Pantelic-Seidl
  • Patent number: 11133524
    Abstract: The present invention relates to a negative electrode active material which includes a secondary particle including a first particle which is a primary particle, wherein the first particle includes a first core and a first surface layer which is disposed on a surface of the first core and contains carbon, and the first core includes a metal compound which includes one or more of a metal oxide and a metal silicate and one or more of silicon and a silicon compound; a method of preparing the same; an electrode including the same; and a lithium secondary battery including the same.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: September 28, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jung Hyun Choi, Yong Ju Lee, Eun Kyung Kim
  • Patent number: 11127939
    Abstract: Electrode material, for a lithium-ion-based electrochemical cell, containing primary particles of a Mn-containing spinel-type metal oxide selected from the group consisting of spinel-type lithium-nickel-manganese-oxide, spinel-type lithium-manganese-oxide, and mixtures thereof. Mn of the Mn-containing spinel-type metal oxide is partially substituted with a substitution-element selected from the group consisting of Si, Hf, Zr, Fe, Al, V and mixtures thereof and the primary particles are aggregated in order to form secondary particles, with the secondary particles having the shape of a microsphere.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: September 21, 2021
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Kamelia Detig-Karlou, Ann-Christin Gentschev, Miriam Karin Keppeler, Sung-Jin Kim, Madhavi Srinivasan
  • Patent number: 11108044
    Abstract: A rechargeable lithium battery includes an electrolyte, a negative electrode, and a positive electrode. The negative electrode includes a negative active material layer on a negative current collector, and includes a carbon-based negative active material. The negative electrode having a Degree of Divergence (DD) value of about 19 to about 60. The positive electrode includes a positive active material layer and a positive current collector, and includes a positive active material and a porous structured additive. The content of the porous structured additive is about 0.01 wt % to about 2 wt % based on 100 wt % of the positive active material layer.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: August 31, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Junkyu Lee, Bokhyun Ka, Na-Ri Seo, Kyeuyoon Sheem, Jinhyon Lee, Eun-Hyung Choi
  • Patent number: 11101467
    Abstract: A metal-ion secondary battery is provided. The metal-ion secondary battery includes a positive electrode. The positive electrode includes at least one current-collecting layer and at least one active layer, wherein the current-collecting layer and the active layer are mutually stacked, and the current-collecting layer has at least one first through-hole.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: August 24, 2021
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chien-Chih Chiang, Kuang-Yao Chen, Chun-Hsing Wu, Chang-Chung Yang, Wen-Sheng Chang
  • Patent number: 11094933
    Abstract: Electrodes for rechargeable batteries that include silicon and a binder are provided. Binders for use with silicon electrodes are provided, including polysiloxane binders that can be prepared prior to preparation of the electrode, or provided as monomers to be cure-polymerized at the time of the curing of the electrode.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: August 17, 2021
    Assignee: University of Kentucky Research Foundation
    Inventors: Susan A. Odom, Darius A Shariaty, Yang-Tse Cheng
  • Patent number: 11088389
    Abstract: A lithium iron phosphate electrochemically active material for use in an electrode and methods and systems related thereto are disclosed. In one example, a lithium iron phosphate electrochemically active material for use in an electrode is provided including, a dopant comprising vanadium and optionally a co-dopant comprising cobalt.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: August 10, 2021
    Assignee: A123 SYSTEMS LLC
    Inventors: Chuanjing Xu, Maha Hammoud, Judith M. Laforest, Hyojin Lee, Derek Johnson
  • Patent number: 11063250
    Abstract: The present invention relates to a cathode active material composition for a lithium secondary battery and a lithium secondary battery including the same, and more particularly, to a cathode active material composition for a lithium secondary battery, including a mixture of particles which are different in Ni composition and size and prepared at the same heat treatment temperature, and a lithium secondary battery including the same. According to the present invention, optimal capacity manifestation temperatures of a coarse particle and a fine particle may be adjusted to be similar by adjusting an Ni content of the coarse particle and the fine particle, and thus, a lithium secondary battery having enhanced output and lifetime may be manufactured.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: July 13, 2021
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Moon Ho Choi, Jun Won Suh, Jung Han Lee, Ji Hyun Nam, Sung Jin Jang, Seung Woo Choi
  • Patent number: 11040881
    Abstract: A method for preparing a Na3V2(PO4)2F3 material, including at least the steps: a) reducing the vanadium oxide, V2O5, under a reducing atmosphere in the absence of elementary carbon and in the presence of at least one phosphate anion precursor in order to form vanadium phosphate, VPO4; and b) exposing, under an inert atmosphere, a mixture of the VPO4 material obtained in step a) with an effective amount of sodium fluoride, NaF, and at least one hydrocarbon- and oxygen-containing compound which is a source of elementary carbon, to temperature conditions that are favourable for calcining said mixture so as to form said Na3V2(PO4)2F3 compound. Also, a related electrode material, an electrode and a secondary sodium battery using the presented material.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: June 22, 2021
    Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ETAUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE PICARDIE JULES VERNES
    Inventors: Nikita Hall, Sylvain Boulineau, Laurence Croguennec, Sébastien Launois, Christian Masquelier, Loïc Simonin
  • Patent number: 11038169
    Abstract: Provided are a cobalt oxide (Co3O4) for a lithium secondary battery, having an average particle diameter (D50) of about 14 ?m to about 19 ?m and a tap density of about 2.1 g/cc to about 2.9 g/cc, a method of preparing the cobalt oxide, a lithium cobalt oxide for a lithium secondary battery prepared from the cobalt oxide, and a lithium secondary battery including a cathode including the lithium cobalt oxide.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: June 15, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Junseok Park, Seonyoung Kwon, Youngki Kim, Jihyun Kim, Dohyung Park, Sooyoun Park
  • Patent number: 11031593
    Abstract: The present invention relates to a method of producing a cobalt-coated precursor, the cobalt-coated precursor produced by the method and a positive electrode active material for a lithium secondary battery, the positive electrode active material which is prepared using the cobalt-coated precursor and, more particularly, to a method of preparing a new positive electrode active material having improved high capacity and stability by coating cobalt on the surface of a precursor in the precursor step, thereby improving characteristics of the precursor degraded when washed with water, and a positive electrode active material prepared by the method.
    Type: Grant
    Filed: January 2, 2017
    Date of Patent: June 8, 2021
    Assignees: ECOPRO BM CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Moon Ho Choi, Jong Seung Shin, Hyun Jong Yu, Suk Yong Jeon, Eun Ok Oh, Sang Wook Lee, Yoon Young Choi
  • Patent number: 11021367
    Abstract: Provided is a porous lithium composite phosphate-based compound containing lithium and having open pores formed in primary particles. As the open pores are formed in the primary particles themselves, a contact area between an electrolyte and the lithium composite phosphate-based compound is maximized, and low conductivity is compensated for, such that a diffusion rate of lithium ions is remarkably increased, and when the lithium composite phosphate-based compound is used as an active material of a secondary battery, the secondary battery may be charged and discharged at a high speed. Additionally, there are advantages in that an electrode density may be significantly increased in addition to the increase in the diffusion rate of the lithium ions, and charge and discharge cycle characteristics may be significantly stable.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: June 1, 2021
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Min Gu Kang, Seong Ho Lee, Jung In Yeon, Kook Hyun Han, Jung Hwan Kim
  • Patent number: 11024846
    Abstract: A high energy/power density, long cycle life and safe lithium ion cell capable of long-term deep discharge/storage near zero-volt is described. The cell utilizes a near zero-volt storage capable anode, such as a spinel Li4Ti5O12, coupled to a high voltage, high-energy and/or high-power density cathode, such as LiNi0.5Mn1.5O4. The near zero-volt storage cell is rechargeable and affords safety advantages for battery transportation, storage, and handling, and significant cost reductions for cell maintenance. The cells produce high-energy and/or high-power densities and long cycle life. The cell anode, cathode, and separator active materials are coated with one or more protection or stability enhancing and/or conductivity enhancing materials to enhance electrochemical performance and to strengthen stabilities for long-term cycle life and storage life.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: June 1, 2021
    Assignee: ADA Technologies, Inc.
    Inventor: Weibing Xing
  • Patent number: 10957910
    Abstract: The disclosure provides multi-functional cathode particulates for a lithium battery, wherein at least one of the particulates has a diameter from 100 nm to 50 ?m and comprises a conducting polymer network composite comprising one or a plurality of primary particles of a cathode active material that are partially or fully encapsulated by, embedded in, dispersed in, or bonded by an electrically and ionically conducting network of cross-linked polymer chains having a lithium ion conductivity from 10?8 to 5×10?2 S/cm and an electron conductivity from 10?8 to 103 S/cm, wherein the primary particles have a diameter or thickness from 0.5 nm to 20 ?m. Also provided is a method of producing such cathode particulates.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: March 23, 2021
    Assignee: Global Graphene Group, Inc.
    Inventor: Bor Z. Jang
  • Patent number: 10957840
    Abstract: An apparatus and method perform supersonic cold-spraying to deposit N and P-type thermoelectric semiconductor, and other polycrystalline materials on other materials of varying complex shapes. The process developed has been demonstrated for bismuth and antimony telluride formulations as well as Tetrahedrite type copper sulfosalt materials. Both thick and thin layer thermoelectric semiconductor material is deposited over small or large areas to flat and highly complex shaped surfaces and will therefore help create a far greater application set for thermoelectric generator (TEG) systems. This process when combined with other manufacturing processes allows the total additive manufacturing of complete thermoelectric generator based waste heat recovery systems. The processes also directly apply to both thermoelectric cooler (TEC) systems, thermopile devices, and other polycrystalline functional material applications.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: March 23, 2021
    Inventor: Richard C Thuss
  • Patent number: 10953380
    Abstract: Provided is a process for manufacturing 2D inorganic compound platelets, the process comprising (a) preparing a first stock containing a 3D layered inorganic compound material dispersed in a liquid medium, (h) injecting the first stock into a continuous reactor having a vortex flow, (c) operating the continuous reactor to form a reaction product suspension containing 2D inorganic compound platelets dispersed in the liquid medium, and (d) separating and recovering said 2D inorganic compound platelets from said product suspension. The product suspension may be directed to flow back to the continuous director for further processing for at least another pass through the reactor, prior to step (d). The continuous reactor is preferably a Couette-Taylor reactor.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: March 23, 2021
    Assignee: Global Graphene Group, Inc.
    Inventors: Yi-jun Lin, Hsuan-Wen Lee, Aruna Zhamu, Bor Z. Jang
  • Patent number: 10930921
    Abstract: Provided are a negative active material, an anode and a lithium secondary battery including the same, and a method of preparing the negative active material. The negative active material includes a silicon alloy core including silicon, iron, and manganese, and a shell including a metal oxide on the silicon alloy core, the metal oxide including one or more of titanium, zirconium, aluminum, cobalt, or lithium. An amount of the metal oxide may be from greater than 0 wt % to less than about 12 wt % based on a total weight of the negative active material.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: February 23, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jaehyuk Kim, Soonsung Seo, Hana Yoo, Heeyoung Chu, Deokhyun Kim, Yungu Cho
  • Patent number: 10923767
    Abstract: An organic electrolyte solution and a lithium battery, the organic electrolyte solution including an organic solvent; a lithium salt; a first compound, the first compound being represented by Formula 1 or Formula 2; and a second compound, the second compound being a succinonitrile-based compound represented by Formula 3:
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: AeRan Kim, MiYoung Son, HyunBong Choi, MyungHeui Woo, SeungTae Lee, HaRim Lee, AeHui Goh, WooCheol Shin
  • Patent number: 10916776
    Abstract: The present invention relates to positive electrode active material particles and a secondary battery including the same and provides positive electrode active material particles comprising: a core including a first lithium transition metal oxide; and a shell surrounding the core, wherein the shell has a form in which metal oxide particles are embedded in a second lithium transition metal oxide, and at least a part of the metal oxide particles is present by being exposed at a surface of the shell. The positive electrode active material particles according to the present invention prevent a transition metal and an electrolyte from causing a side reaction by exposing a part of a metal oxide, having low reactivity, at a surface of the active materials, thereby improving safety and lifespan. As the electrical conductivity of the active materials becomes lower, excellent stability can be maintained even at high temperature and in battery-breakdown situations.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: February 9, 2021
    Inventors: Chi Ho Jo, Ji Hoon Ryu, Min Suk Kang, Sun Sik Shin, Wang Mo Jung
  • Patent number: 10916770
    Abstract: An electrochemically active material includes silicon and a transition metal. At least 50 mole % of the transition metal is present in its elemental state, based on the total number of moles of transition metal elements present in the electrochemically active material. An electrochemically active material includes silicon and carbon. At least 50 mole % of the carbon is present in its elemental state, based on the total number of moles of carbon present in the electrochemically active material.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: February 9, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Mark N. Obrovac, Leyi Zhao, Vincent J. L. Chevrier
  • Patent number: 10916772
    Abstract: A positive electrode active material for a sodium ion battery includes a sodium complex oxide of the formula Na4(M1aM21?a)2O5 having an orthorhombic crystal structure, wherein M1 and M2 are each independently Ti, Cr, Fe, Co, Ni, Mn, V, or a combination there of provided that M1 and M2 are different from each other; and 0?a?1.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: February 9, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Masoud Aryanpour, Young-Gyoon Ryu, Yan Wang
  • Patent number: 10910631
    Abstract: A non-aqueous electrolyte secondary battery according to one mode of the present disclosure is provided with: a positive electrode including a positive-electrode active material layer; a negative electrode; and a non-aqueous electrolyte, wherein the positive-electrode active material layer includes positive-electrode active material particles having a particle size distribution in which the difference (D90-D10) between a 90% diameter (D90) and a 10% diameter (D10) measured with a laser diffraction method is larger than 13 ?m. In addition, the positive-electrode active material layer is characterized in that, on an arbitrarily defined cross section thereof, the total area of positive-electrode active material particles A, each of which has a particle size not smaller than 15 ?m and has a particle area at least 0.8-fold the area of a circle circumscribing the positive-electrode active material particle, is 20% or larger with respect to the total area of the cross section.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: February 2, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kaoru Nagata, Noriko Manabe
  • Patent number: 10888838
    Abstract: The present invention relates to porous films comprising (A) from 51 wt.-% to 99.9 wt.-% based on the total weight of the film of at least one porous metal-organic framework material, the material comprising at least one at least bidentate organic compound coordinated to at least one metal ion; (B) from 0.1 wt.-% to 49 wt.-% based on the total weight of the film of at least one fibrillated fluoropolymer; and (C) 0 wt.-% to 48.9 wt.-% based on the total weight of the film of an additive component. The invention further relates to a composition for preparing such a film and its use.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: January 12, 2021
    Assignee: BASF SE
    Inventors: Matthias G. Schwab, Stefan Maurer, Waldemar Bartuli, Ulrich Müller
  • Patent number: 10886491
    Abstract: Process for preparing a metal containing layer, the process comprising (i) at least one step of co-vaporization, at a pressure which is lower than 10?2 Pa, of a) at least one first metal selected from Li, Na, K, Rb and Cs and b) at least one second metal selected Mg, Zn, Hg, Cd and Te from a metal alloy provided in a first vaporization source which is heated to a temperature between 100° C. and 600° C., and (ii) at least one subsequent step of deposition of the first metal on a surface having a temperature which is below the temperature of the first vaporization source, wherein in step (i), the alloy is provided at least partly in form of a homogeneous phase comprising the first metal and the second metal, electronic devices comprising such materials and process for preparing the same.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: January 5, 2021
    Assignee: Novaled GmbH
    Inventors: Tomas Kalisz, Francois Cardinali, Jerome Ganier, Uwe Gölfert, Vygintas Jankus, Carsten Rothe, Benjamin Schulze, Steffen Willmann
  • Patent number: 10879532
    Abstract: A positive active material is provided. The positive active material may include lithium, an additive metal, and at least one of nickel, cobalt, manganese, or aluminum. The additive metal may include an element different from nickel, cobalt, manganese, and aluminum. An average content of the additive metal may be less than 2 mol %.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: December 29, 2020
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Yang-Kook Sun, Do Wook Jun, Un Hyuck Kim
  • Patent number: 10857524
    Abstract: The carbon nanotubes according to the present invention can provide higher conductivity by allowing the BET and crystal size to satisfy the conditions expressed by formula 1 below, and consequently, can improve the conductivity of a carbon composite material containing the carbon nanotubes. Lc×[Specific surface area of CNT (cm2/g)]1/2>80??[Formula 1] wherein, Lc is crystal size measured by X-ray diffraction.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: December 8, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Kyung Yeon Kang, Yelin Kim, Jihee Woo, Jung Keun Yoo, Dong Hyun Cho
  • Patent number: 10862112
    Abstract: A composite including: at least one selected from a silicon oxide of the formula SiO2 and a silicon oxide of the formula SiOx wherein 0<x<2; and graphene, wherein the silicon oxide is disposed in a graphene matrix.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Inhyuk Son, Jonghwan Park, Jaejun Chang, Junhwan Ku, Xiangshu Li, Jaeman Choi
  • Patent number: 10854872
    Abstract: The method for manufacturing an electrode for a lithium ion secondary cell proposed herein includes: a step of pattern-coating a binder liquid 21d on a current collector 12 and forming a binder coat layer 16, and a step of supplying granulated particles 32 onto the binder coat layer 16. The binder coat layer 16 is intermittently formed on the current collector 12 so that band coated portions 16a and band uncoated portions 16b are alternatingly adjacent to each other. The width t1 of the coated portions 16a, the width t2 of the uncoated portions 16b, and the average particle diameter R of the granulated particles 32 satisfy the following relationships: 0.53R?t1?10R; 0.66R?t2?10R; and 0.2?t1/t2?3.75.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: December 1, 2020
    Assignee: ZEON CORPORATION
    Inventors: Shingo Komura, Yuya Kitagawa, Yuji Shibata
  • Patent number: 10825574
    Abstract: The present invention provides a manufacturing method suitable for manufacturing, in large amounts, an ionic conductor that is superior in terms of various properties such as ion conductivity. According to one embodiment of the present invention, provided is a method for manufacturing an ionic conductor, said method including: mixing, using a solvent, LiBH4 and a lithium halide represented by formula (1), LiX (1) (in formula (1), X represents one selected from the group consisting of halogen atoms); and removing the solvent at 60-280° C. Ionic conductors obtained with this manufacturing method can be used as, for example, solid electrolytes for all-solid-state batteries.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: November 3, 2020
    Assignees: MITSUBISHI GAS CHEMICAL COMPANY, INC., TOHOKU TECHNO ARCH CO., LTD.
    Inventors: Masahiro Shimada, Tomohiro Ito, Aki Katori, Atsushi Unemoto, Shinichi Orimo
  • Patent number: 10811682
    Abstract: To provide a cathode active material capable of obtaining a lithium ion secondary battery which has a high discharge capacity and of which a decrease of the discharge capacity when a charge and discharge cycle is repeatedly carried out is suppressed, a positive electrode for a lithium ion secondary battery, and a lithium ion secondary battery. A cathode active material comprising a lithium-containing composite oxide represented by the formula aLi(Li1/3Mn2/3)O2.(1?a)LiMO2 (wherein M is an element containing at least Ni and Mn, and 0<a<1), wherein in an X-ray diffraction pattern, the integral breadth of a peak of (110) plane assigned to a crystal structure with space group C2/m is at most 1.25 deg.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: October 20, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Tomohiro Sakai
  • Patent number: 10797318
    Abstract: A positive active material is provided. The positive active material may include lithium, an additive metal, and at least one of nickel, cobalt, manganese, or aluminum. The additive metal may include an element different from nickel, cobalt, manganese, and aluminum, and an average content of the additive metal may be less than 2 mol %.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: October 6, 2020
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Yang-Kook Sun, Gang-Jun Park, Un Hyuck Kim
  • Patent number: 10777841
    Abstract: Disclosed is an all-solid-state lithium ion secondary battery excellent in cycle characteristics. The battery may be an all-solid-state lithium ion secondary battery, wherein an anode comprises anode active material particles, an electroconductive material and a solid electrolyte; wherein the anode active material particles comprise at least one active material selected from the group consisting of elemental silicon and SiO; and wherein, for the anode active material particles, a value A obtained by the following formula (1) is 6.1 or more and 54.8 or less: A=SBET×dmed×D??Formula (1) where SBET is a BET specific surface area (m2/g) of the anode active material particles; dmed is a median diameter D50 (?m) of the anode active material particles; and D is a density (g/cm3) of the anode active material particles.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: September 15, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Mitsutoshi Otaki, Norihiro Ose, Shigenori Hama, Kazuyuki Taniguchi, Yoshiyasu Yamada, Tetsuo Nakanishi
  • Patent number: 10770748
    Abstract: Provided is a lithium-selenium battery, comprising a cathode, an anode, and a porous separator/electrolyte assembly, wherein the anode comprises an anode active layer containing lithium or lithium alloy as an anode active material, and the cathode comprises a cathode active layer comprising a selenium-containing material, wherein an anode-protecting layer is disposed between the anode active layer and the separator/electrolyte and/or a cathode-protecting layer is disposed between the cathode active layer and the separator/electrolyte; the protecting layer contains a composite comprising from 0.01% to 50% by weight of a conductive reinforcement material dispersed in a sulfonated elastomeric matrix material and has a thickness from 1 nm to 100 ?m, a fully recoverable tensile strain from 2% to 500%, a lithium ion conductivity from 10?7 S/cm to 5×10?2 S/cm, and an electrical conductivity from 10?7 S/cm to 100 S/cm.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: September 8, 2020
    Assignee: Global Graphene Group, Inc.
    Inventors: Aruna Zhamu, Bor Z. Jang
  • Patent number: 10763495
    Abstract: The conductivity of a zinc negative electrode is enhanced through use of surfactant-coated carbon fibers. Carbon fibers, along with other active materials such as bismuth oxide, zinc etc., form an electronically conductive matrix in zinc negative electrodes. Zinc negative electrodes as described herein are particularly useful in nickel zinc secondary batteries.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: September 1, 2020
    Assignee: ZincFive Power, Inc.
    Inventors: Jeffrey Phillips, Samaresh Mohanta, Deepan Chakkaravarthi Bose, Cecilia Maske
  • Patent number: 10756485
    Abstract: A connector includes a housing; and a fitting assurance member slidably attached to an outer side of the housing. The housing has a locking portion to be locked to the locked portion during a movement of the housing in a fitting direction to the counterpart housing. The fitting assurance member slides and moves relatively to the housing in the fitting direction from a temporary locking position to a formal locking position. The housing has an unlocking operation portion to apply unlocking force to the locking portion. The fitting assurance member has a pair of side walls on the outer side of the housing and a coupling portion connecting end portions of the pair of side walls. The coupling portion is located between the unlocking operation portion and the housing and separated from the unlocking operation portion.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: August 25, 2020
    Assignee: YAZAKI CORPORATION
    Inventors: Ryosuke Ohfuku, Takahiro Ohmoto, Masaru Shinmura, Yu Saito, Yuki Goto, Takashi Endo, Kazuyuki Iwashita, Akihiro Tsuruta, Shinji Kodama
  • Patent number: 10744485
    Abstract: The MOF-derived porous carbon materials for carbon dioxide capture, more specifically comprising a method for preparing thereof and the porous carbon materials for the purpose of CO2 absorbent, wherein the porous carbon materials from zinc-containing three MOFs (MOF-5, MOF-177, and bioMOF-100) are synthesized by a simple pyrolysis and thereby the porous carbon materials have promising CO2 capture capacity and selectivity compared to parent of MOFs prior to pyrolysis, particularly, the CO2 capture capacity of the porous carbon materials is maintained under humid condition.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: August 18, 2020
    Assignee: INCHEON UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventor: Chang Yeon Lee
  • Patent number: 10741839
    Abstract: Electrode materials for electrochemical cells and batteries and methods of producing such materials are disclosed herein. A method of preparing an active lithium metal oxide material suitable for use in an electrode for a lithium electrochemical cell comprises the steps of: (a) contacting the lithium metal oxide material with an aqueous acidic solution containing one or more metal cations; and (b) heating the so-contacted lithium metal oxide from step (a) to dryness at a temperature below 200° C. The metal cations in the aqueous acidic solution comprise one or more metal cations selected from the group consisting of an alkaline earth metal ion, a transition metal ion, and a main group metal ion.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: August 11, 2020
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Jason Croy, Arturo Gutierrez, Michael M. Thackeray, Meinan He
  • Patent number: 10741841
    Abstract: Disclosed are an electrode active material having improved energy density and a lithium secondary battery including the same. More particularly, provided is an electrode active material including a first electrode active material and a second electrode active material, each of the first electrode active material and the second electrode active material having a composition represented by Formula (1) below, a ratio of lithium to metals in the first electrode active material being 1.4 to 1.7, and a ratio of lithium to metals in the second electrode active material being 1.2 or more and less than 1.4: (1?x)LiM?O2?yAy?xLi2MnO3?y?Ay???(1) wherein M? is MnaMb; M is at least one selected from the group consisting of Ni, Ti, Co, Al, Cu, Fe, Mg, B, Cr, Zr, Zn and Period II transition metals; A is at least one selected from the group consisting of anions such as PO4, BO3, CO3, F and NO3; 0<x<1; 0<y?0.02; 0<y??0.02; 0.5?a?1.0; 0?b?0.5; and a+b=1.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: August 11, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hoe Jin Hah, Kyoung Ho Kim, Il Hong Kim, Je Young Kim
  • Patent number: 10741840
    Abstract: A cathode active material includes a secondary particle including an aggregate of a plurality of primary particles, wherein the secondary particle includes a nickel-containing lithium transition metal oxide having a layered crystal structure, wherein the plurality of primary particles includes a first primary particle having a size greater than about 400 nanometers, a second primary particle having a size less than about 150 nanometers, and a third primary particle having a size of about 150 nanometers to about 400 nanometers, wherein the third primary particle has a area of greater than or equal to about 80% of a total area of the plurality of primary particles, and wherein the secondary particle has a porosity of less than or equal to about 10% of a total area of the cathode active material.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: August 11, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Dongjin Ham, Jayhyok Song, Andrei Kapylou, Jinhwan Park, Youhwan Son, San Moon, Sungjin Ahn, Donghee Yeon, Jinsu Ha, Kwangjin Park, Byungjin Choi
  • Patent number: 10723846
    Abstract: A process for preparing a polymeric composition for forming a lithium-ion or sodium-ion battery electrode or a supercapacitor electrode or for exhibiting magnetic properties, to such a polymeric composition obtained by means of this process, to a mixture which is a precursor of the composition, obtained by means of a first mixing step of the process, and to this electrode. The process for preparing this composition comprises: a) hot-mixing, via the melt process and without solvent, at least one active material, a binder-forming polymeric phase and a sacrificial polymeric phase so as to obtain a mixture, and b) at least partially eliminating said sacrificial polymeric phase so as to obtain said composition which comprises the active material(s) according to a weight fraction greater than 80%. The sacrificial phase is used in step a) according to a weight fraction in the mixture being greater than or equal to 15%.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: July 28, 2020
    Assignee: HUTCHINSON
    Inventors: Philippe Sonntag, David Ayme-Perrot, Bruno Dufour, Arnaud Prebe, Nicolas Garois
  • Patent number: 10692622
    Abstract: A composite including: silicon (Si); a silicon oxide of the formula SiOx, wherein 0<x<2; and a graphene disposed on the silicon oxide.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: June 23, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Inhyuk Son, Hyunjae Song, Inyong Song, Jaeman Choi, Seungsik Hwang, Junhwan Ku, Jonghwan Park, Yeonji Chung
  • Patent number: 10693136
    Abstract: Disclosed is a lithium complex oxide and method of manufacturing the same, more particularly, a lithium complex oxide effective in improving the characteristics of capacity, resistance, and lifetime with reduced residual lithium and with different interplanar distances of crystalline structure between a primary particle locating in a internal part of secondary particle and a primary particle locating on the surface part of the secondary particle, and a method of preparing the same.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: June 23, 2020
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Moon Ho Choi, Jong Seung Shin, Dong Hee Kim, Suk Yong Jeon, Hyun Jong Yu, Kyoung Jun Lee, Young Nam Park
  • Patent number: 10673067
    Abstract: A method for producing a positive electrode material for non-aqueous secondary batteries includes: performing a heat treatment on zirconium boride particles in an oxygen-containing atmosphere at a heat treatment temperature of not less than 220° C. and not more than 390° C., thereby obtaining heat-treated particles; and mixing the heat-treated particles with a positive electrode active material which contains a lithium transition metal complex oxide particles including at least one of cobalt and nickel in a composition thereof and having a layered structure, such that a content of the heat-treated particles relative to the lithium transition metal complex oxide particles is, as zirconium, not less than 0.25 mol % and not more than 2.2 mol %, thereby obtaining a positive electrode material for non-aqueous secondary batteries.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: June 2, 2020
    Assignee: NICHIA CORPORATION
    Inventor: Keisuke Fujihara
  • Patent number: 10658669
    Abstract: A rechargeable alkali metal battery comprising: (a) an anode comprising an alkali metal layer and a dendrite penetration-resistant layer comprising an amorphous carbon or polymeric carbon matrix, an optional carbon or graphite reinforcement phase dispersed in this matrix, and a lithium- or sodium-containing species that are chemically bonded to the matrix and/or the optional carbon or graphite reinforcement to form an integral layer that prevents dendrite penetration, wherein the lithium- or sodium-containing species is selected from Li2CO3, Li2O, Li2C2O4, LiOH, LiX, ROCO2Li, HCOLi, ROLi, (ROCO2Li)2, (CH2OCO2Li)2, Li2S, LixSOy, Na2CO3, Na2O, Na2C2O4, NaOH, NaX, ROCO2Na, HCONa, RONa, (ROCO2Na)2, (CH2OCO2Na)2, Na2S, NaxSOy, or a combination thereof, wherein X?F, Cl, I, or Br, R=a hydrocarbon group, x=0-1, y=1-4; (b) a cathode; and (c) a separator and electrolyte component; wherein the dendrite penetration-resistant layer is disposed between the alkali metal layer and the separator.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: May 19, 2020
    Assignee: Global Graphene Group, Inc.
    Inventors: Aruna Zhamu, Bor Z. Jang
  • Patent number: 10658664
    Abstract: The present invention relates to a method for producing lithium-nickel-manganese-based transition metal oxide particles, the transition metal oxide particles which are obtained with the method, and the use thereof as electrode material. The present invention particularly relates to lithium-nickel-manganese-based transition metal oxide particles in over-lithiated form with high tamped density, a method for production thereof and use thereof as cathode material in lithium secondary batteries.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: May 19, 2020
    Assignee: ZENTRUM FUR SONNENENERGIE UND WASSERSTOFF FORSCHUNG BADEN-WURTTEMBERG GEMEINNUTZIGE STIFTUNG
    Inventors: Margret Wohlfahrt-Mehrens, Peter Axmann, Giulio Gabrielli, Marilena Mancini, Wolfgang Weirather
  • Patent number: 10644312
    Abstract: A crystalline precursor compound is described for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor having a general formula Li1?a((Niz(Ni1/4 Mn1/4)y M?x)1?kAk)1+aO2, wherein x+y+z=1, 0<x?0.2, 0.55<z?0.90, M? is either one or both of Co and Al, A is a dopant, 0?k?0.1, and 0.05?a?0.40, wherein the precursor an integrated intensity ratio I003/I104<1, wherein I003 and I104 are the peak intensities of the Bragg peaks (003) and (104) of the XRD pattern of the crystalline precursor compound. Also a method is described for manufacturing a positive electrode material having a general formula Li1?aM1?a?O2, with M=(Niz(Ni1/2 Mn1/2)y M?x)1?k Ak), wherein x+y+z=1, 0<x?0.2, 0.55<z?0.90, M? is either one or both of Co and Al, A is a dopant, 0?k?0.1 and 0.01<a?<0.10 by sintering the crystalline precursor compound in an oxidizing CO2-free atmosphere at a temperature T between 750 and 950° C.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: May 5, 2020
    Assignees: UMICORE, UMICORE KOREA, LTD.
    Inventors: Maxime Blangero, DongGun Park, Jens Paulsen, Jing Zhang
  • Patent number: 10629907
    Abstract: A lithium ion secondary battery with a high capacity retention rate, and a method for producing the lithium ion secondary battery. The lithium ion secondary battery may comprise a cathode including a cathode active material layer comprising a cathode active material and Li3PO4, an anode including an anode active material layer comprising an anode active material, and an electrolyte layer being disposed between the cathode and the anode and comprising a liquid electrolyte, wherein a C1s element ratio obtained by X-ray photoelectron spectroscopy measurement of the Li3PO4 is 18.82 at % or less.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: April 21, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yohei Shindo, Yoichi Koike
  • Patent number: 10615407
    Abstract: An energy storage device comprising a cathode comprising: (i) an Fe source; (ii) at least one sulfur species and (iii) NaCl, wherein the mol percent of S is less than 10, based on the total moles of (i), (ii) and (iii).
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: April 7, 2020
    Assignee: Battelle Memorial Institute
    Inventors: Guosheng Li, Jin Yong Kim, Xiaochuan Lu, Kerry D. Meinhardt, Vincent L. Sprenkle
  • Patent number: 10604410
    Abstract: The present invention relates to a negative electrode active material for a lithium secondary battery, which comprises graphite having an alkali carbonate layer formed on a surface thereof, wherein the graphite has an ID/IG ratio of 0.05 to 0.3 in Raman spectroscopy, and a method of preparing the same, wherein, since the negative electrode active material for a lithium secondary battery of the present invention includes the graphite having an alkali carbonate layer formed on the surface thereof, the alkali carbonate layer contributes to the formation of a stable solid electrolyte interface (SEI) to reduce a side reaction with an electrolyte solution including propylene carbonate. Thus, since low-temperature performance and initial efficiency of the lithium secondary battery may be improved, the negative electrode active material for a lithium secondary battery of the present invention is suitable for the preparation of the lithium secondary battery.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: March 31, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sun Young Shin, Su Min Lee, Oh Byong Chae, Eun Kyung Kim
  • Patent number: 10573933
    Abstract: A lithium metal battery includes: a positive electrode, a negative electrode including lithium, a liquid electrolyte disposed between the positive electrode and the negative electrode, and a protective layer disposed on at least a portion of the negative electrode, wherein the protective layer includes a first polymer selected from at least one of a poly(vinyl alcohol) and a poly(vinyl alcohol) blend.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: February 25, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joonseon Jeong, Yooseong Yang, Hyorang Kang