Having Inorganic Binder Or Conductive Filler Patents (Class 429/232)
  • Patent number: 11827794
    Abstract: Provided herein is a method of forming a composition by co-processing nanocarbon aggregates and carbon black aggregates, which includes providing nanocarbon aggregates, providing carbon black aggregates, and mixing the nanocarbon aggregates and the carbon black aggregates such that the nanocarbon aggregates disperse into looser aggregates of nanocarbons and carbon black, or individualized nanocarbons dispersed among the carbon black aggregates.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: November 28, 2023
    Assignee: Hyperion Catalysis International
    Inventors: Jun Yang, Howard Tennent, Robert Hoch
  • Patent number: 11824201
    Abstract: Provided are compositions of bundles or clumps of a reaggregated plurality of discrete carbon nanotubes with an additive whereupon the bundles or clumps disaggregate during a fabrication process that uses less than 10,000 ppm of aqueous or non-aqueous solvent. The composition can be mixed further with electroactive material to make electrodes for energy storage or collection devices.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: November 21, 2023
    Inventors: Clive P. Bosnyak, Paul Everill, Kurt W. Swogger, Carlos J. Ramirez
  • Patent number: 11806663
    Abstract: The present disclosure generally relates to apparatuses, systems, and methods for separating a target species (e.g., CO2) from a gas mixture (e.g., gas stream) via an electrochemical process.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: November 7, 2023
    Assignee: Massachusetts Institute of Technology
    Inventors: Sahag Voskian, Trevor Alan Hatton
  • Patent number: 11784375
    Abstract: An alkaline electrochemical cell includes a cathode; a gelled anode having an anode active material and an electrolyte; and a separator disposed between the cathode and the anode; wherein the separator includes a non-conductive, porous material having a mean pore size of about 1 micron to about 5 microns, a maximum pore size of about 19 microns, and an air permeability of about 0.5 cc/cm2/s to about 3.8 cc/cm2/s at 125 Pa.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: October 10, 2023
    Assignee: Energizer Brands, LLC
    Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Donald Raymond Crowe, Enqing Zhu, John L. Hadley, Matthew Hennek, Tim F. Turba
  • Patent number: 11777074
    Abstract: This positive electrode includes a current collector, an intermediate layer which is formed at least on one surface of the current collector, and a composite material layer which is formed on the intermediate layer. The intermediate layer includes metal compound particles, a conductive material, and a binding material. The metal compound particles comprise at least one selected from a sulfated oxide, hydroxide, or oxide of alkali earth metal or alkali metal.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: October 3, 2023
    Inventors: Satoshi Shibutani, Yuki Tokuda
  • Patent number: 11777088
    Abstract: The present disclosure provides an anode material having further improved charge/discharge efficiency. The anode material according to the present disclosure includes an anode active material and a first solid electrolyte material. The first solid electrolyte material includes Li, M, and X, and does not include sulfur. M is at least one selected from the group consisting of metalloid elements and metal elements other than Li. X is at least one kind selected from the group consisting of Cl, Br, and I. The anode active material is an active material capable of storing and releasing lithium ions at a potential with respect to lithium of not less than 0.27 V.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: October 3, 2023
    Inventors: Yuta Sugimoto, Izuru Sasaki, Tatsuya Oshima, Akinobu Miyazaki
  • Patent number: 11757132
    Abstract: A non-aqueous electrolyte for a lithium-ion battery and a lithium-ion battery. The non-aqueous electrolyte includes an unsaturated phosphate compound and a cyclic unsaturated carboxylic anhydride compound. The unsaturated phosphate compound has a structure represented by structural formula (4). R13, R11 and R12 are each independently selected from a hydrocarbon group having 1 to 5 carbon atoms, and at least one of R13, R11 and R12 is an unsaturated hydrocarbon group having a double bond or a triple bond. The unsaturated cyclic carboxylic anhydride compound having a structure represented by Structural Formula 5. R14 is selected from the group consisting of an alkenylene group having 2 to 4 carbon atoms or a fluorinated alkenylene group having 2 to 4 carbon atoms. By means of the synergistic effect of two compounds, the non-aqueous electrolyte has excellent high-temperature cycling performance and storage performance, and also has lower impedance and good low-temperature performance.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: September 12, 2023
    Inventors: Qiao Shi, Muchong Lin, Shiguang Hu, Xionggui Lin, Jiaojiao Yun, Chang'an Zeng
  • Patent number: 11735714
    Abstract: A negative electrode slurry composition including (1) clay particles having, a plate-type structure and an average particle diameter (D50) of 10 nm to 2 ?m, (2) carboxymethylcellulose (CMC), (3) a negative electrode active material, and (4) an aqueous solvent, wherein a weight ratio of the carboxymethylcellulose and the clay particles is 9.5:0.5 to 4:6. The negative electrode slurry composition is capable of solving problems due to the deterioration of storage stability and dispersibility of solids in a negative electrode slurry composition having a high solid content.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: August 22, 2023
    Inventors: Jong Won Lee, Houng Sik Yoo, Hyeon Choi
  • Patent number: 11721832
    Abstract: Provided is an anode active material layer for a lithium battery. This layer comprises multiple particulates of an anode active material, wherein at least a particulate is composed of one or a plurality of particles of an anode active material being encapsulated by a thin layer of graphene/elastomer composite having from 0.01% to 50% by weight of graphene sheets dispersed in an elastomeric matrix material, wherein the encapsulating shell (the thin layer of composite) has a thickness from 1 nm to 10 ?m and the graphene/elastomer composite has a lithium ion conductivity from 10?7 S/cm to 10?2 S/cm and an electrical conductivity from 10?7 S/cm to 100 S/cm when measured at room temperature. The anode active material is preferably selected from Si, Ge, Sn, SnO2, SiOx, Co3O4, Mn3O4, etc., which has a specific capacity of lithium storage greater than 372 mAh/g (the theoretical lithium storage limit of graphite).
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: August 8, 2023
    Assignee: Global Graphene Group, Inc.
    Inventors: Aruna Zhamu, Bor Z. Jang
  • Patent number: 11699792
    Abstract: A conductive material, and a method for preparing the same are provided. The conductive material has a structure where a plurality of graphene sheets are interconnected, wherein an oxygen content is 1 wt % or higher based on the total weight of the conductive material, and a D/G peak ratio is 2.0 or less when the Raman spectrum is measured.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: July 11, 2023
    Inventors: Tae Gon Kim, Seul Ki Kim, Wang Mo Jung, Sang Wook Lee
  • Patent number: 11688847
    Abstract: A method for manufacturing a cathode active material for a lithium ion secondary battery comprises mixing lithium carbonate and a compound containing a metal element other than Li, and a firing step. The firing step includes at last two stages of controlling firing to different temperatures. The at least two stages include controlling a firing temperature to a lower temperature and controlling a firing temperature to a higher temperature. The firing is controlled is such that the former stage has a lower oxygen concentration in an atmosphere than the latter stage. The firing apparatus comprises at least two firing furnaces of controlling firing temperatures to different temperatures. The at least two firing furnaces include controlling a firing temperature to a lower temperature and controlling firing temperature to a higher temperature. The latter firing furnace has a gas outlet being in communication with the former firing furnace.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: June 27, 2023
    Assignee: PROTERIAL, LTD.
    Inventors: Akira Gunji, Tatsuya Toyama, Akio Takeuchi, Hisato Tokoro, Shuichi Takano, Genei Nakajima
  • Patent number: 11658306
    Abstract: A cathode configured to use oxygen as a cathode active material, the cathode including: a porous film, wherein the porous film includes a metal oxide, and wherein a surface of the porous film has root mean square (RMS) roughness (Rq) of about 0.01 micrometer to about 1 micrometer, and a porosity of the porous film is about 50 volume percent to about 99 volume percent, based on a total volume of the porous film.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: May 23, 2023
    Inventors: Hyunpyo Lee, Taeyoung Kim, Mokwon Kim, Wonsung Choi
  • Patent number: 11641017
    Abstract: A non-aqueous electrolyte secondary battery includes an electrode current collector, an intermediate layer, and an electrode active material layer. The intermediate layer is interposed between the electrode current collector and the electrode active material layer. The intermediate layer contains a metal-covered microcapsule. The metal-covered microcapsule includes a microcapsule and a metal film. The microcapsule includes a core and a shell. The shell surrounds the core. The core includes a volatile material. The shell includes a thermoplastic resin material. The metal film covers at least part of an outer surface of the microcapsule.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: May 2, 2023
    Inventors: Koji Torita, Yuji Yokoyama
  • Patent number: 11581540
    Abstract: A negative active material for a rechargeable lithium battery includes a carbon-based active material including highly crystalline natural graphite and artificial graphite. The carbon-based active material has a peak intensity ratio (P2/P4) of about 0.3 to about 0.4, wherein P2 refers to the 101 peak of a rhombohedral crystal grain and P4 refers to the 101 peak of a hexagonal crystal grain, as measured by X-ray diffraction.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: February 14, 2023
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Cheol-Hee Hwang
  • Patent number: 11581528
    Abstract: There is provided a positive electrode for an alkaline secondary battery and an alkaline secondary battery having good output properties and cycle life. To that end, a positive electrode (10) for alkaline secondary battery is obtained by laminating a flexible metal substrate (11) having flexibility; a primer layer (12) having conductivity provided on one or both surfaces of the substrate (11); and a positive electrode composite material layer (13) provided on the primer layer (12) and containing a positive electrode active material, a binder resin, and a first conductive material.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: February 14, 2023
    Inventors: Masahiro Serikawa, Tsuyoshi Kitamoto
  • Patent number: 11545669
    Abstract: The purpose of the present invention is to provide an electrode active material layer exhibiting excellent mechanical strength. This electrode material for a non-aqueous electrolyte secondary battery includes at least an electrode active material, a carbon-based conductive auxiliary agent, and a binder. The carbon-based conductive auxiliary agent has a linear structure, and includes ultra-fine fibrous carbon having an average fibre diameter of more than 200 nm but not more than 900 nm. The electrode material configures an electrode active material layer in which the maximum tensile strength (?M) in a planar direction and the tensile strength (?T) in an in-plane direction orthogonal to the maximum tensile strength (?M) satisfy relational expression (a), namely ?M/?T?1.6.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: January 3, 2023
    Assignee: TEIJIN LIMITED
    Inventors: Kazuki Yachi, Shinya Komura, Asami Kanematsu, Takahiro Daido
  • Patent number: 11539043
    Abstract: A negative active material, a lithium battery including the negative active material, and a method of preparing the negative active material. The negative active material includes: a core particle including a silicon based alloy; carbon nanoparticles disposed on a surface of the core particle; and an amorphous carbonaceous coating layer disposed on at least a portion of a surface of the core particle. The negative active material may improve the lifetime characteristics of the lithium batteries.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: December 27, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Changsu Shin, Hyunki Park, Uisong Do, Sangeun Park, Sungsu Kim
  • Patent number: 11532818
    Abstract: A binder solution for manufacturing silicon-based anodes useful for lithium-ion electrochemical cells is described herein. The binder solution comprises a poly(carboxylic acid) binder dissolved in a mixed solvent system comprising an amide solvent of Formula I, as described herein, and a second solvent which can be water and/or an organic solvent. The binder preferably comprises poly(acrylic acid). The mixed solvent system comprises about 10 to about 99 vol % of the amide solvent of Formula I. The binder solution is utilized as a solvent for a slurry of silicon-containing particles for preparing a silicon-containing electrode. The slurries made with the mixed solvent systems have higher viscosity and are more stable than slurries containing the same concentrations of silicon particle, carbon particles, and binder in water as the sole solvent.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: December 20, 2022
    Inventors: Lu Zhang, Zhangxing Shi, Andrew Jansen, Stephen Trask
  • Patent number: 11502295
    Abstract: Methods of preparing Si-based anode slurries and anode made thereof are provided. Methods comprise coating silicon particles within a size range of 300-700 nm by silver and/or tin particles within a size range of 20-500 nm, mixing the coated silicon particles with conductive additives and binders in a solvent to form anode slurry, and preparing an anode from the anode slurry. Alternatively or complementarily, silicon particles may be milled in an organic solvent, and, in the same organic solvent, coating agent(s), conductive additive(s) and binder(s) may be added to the milled silicon particles—to form the Si-based anode slurry. Alternatively or complementarily, milled silicon particles may be mixed, in a first organic solvent, with coating agent(s), conductive additive(s) and binder(s)—to form the Si-based anode slurry. Disclosed methods simplify the anode production process and provide equivalent or superior anodes.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: November 15, 2022
    Assignee: STOREDOT LTD.
    Inventors: Eran Sella, Eynat Matzner, Tal Chen, Michael Kulbak
  • Patent number: 11444273
    Abstract: A method for preparing a lithium electrode, and in particular, a lithium electrode having a thin and uniform thickness may be prepared by forming a protective layer capable of protecting lithium metal on a substrate first, depositing lithium metal on the protective layer, and then transferring the deposited lithium metal layer on a current collector, for instance a Cu current collector, when preparing a lithium electrode, and a lithium secondary battery using the lithium electrode prepared as above may have enhanced energy density.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: September 13, 2022
    Inventors: Suk Il Youn, Byoungkuk Son, Junghun Choi, Minchul Jang
  • Patent number: 11430990
    Abstract: Provided are a positive electrode active material with which a secondary battery having high charging and discharging capacities and an excellent cycle characteristic can be obtained, and a method for producing the same. A positive electrode active material for a nonaqueous electrolyte secondary battery includes a lithium-metal composite oxide represented by a general formula: LiaNixCoyMnzMtO2+? and containing a secondary particle formed of a plurality of flocculated primary particles. A void ratio obtained from an image analysis result of a cross section of the secondary particle, the image thereof being obtained by a scanning electron microscope, is at least 5% and up to 50% in a first area that is from a central part of the secondary particle to one half of a radius of the secondary particle, and is up to 1.5% in a second area that is outside the first area.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: August 30, 2022
    Inventors: Takaaki Ando, Haruki Kaneda, Jun Suzuki
  • Patent number: 11404704
    Abstract: A production method for a fuel cell separator comprises the steps of providing a powder blend of at least 70% carbon powder, 0.5-5% PTFE, PolyTetraFluoroEthylene, and 0-20% thermoplastic polymer different from PTFE. The powder is sedimented as slurry in a suspension, excess liquid removed from the slurry, and the remaining slurry press-moulded into a shape of a separator plate, for example for use in a fuel cell stack.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: August 2, 2022
    Assignee: fischer Eco Solutions GmbH
    Inventor: Denys Gromadskyi
  • Patent number: 11387462
    Abstract: An object of this disclosure is to provide a lithium ion battery in which generation of heat can be suitably suppressed. Provided is a lithium ion battery including a positive electrode and a negative electrode. The positive electrode includes a positive electrode collector, a positive electrode active material layer, and an insulating layer provided on another part of the surface of the positive electrode collector, so as to be adjacent to the positive electrode active material layer. The insulating layer contains an inorganic filler and a binder. At least part of the surface of the inorganic filler is covered with LPO.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: July 12, 2022
    Inventor: Takanobu Yamada
  • Patent number: 11374223
    Abstract: The present invention is directed to a lithium ion battery electrode slurry composition comprising: (a) an electrochemically active material capable of lithium intercalation and deintercalation; (b) a binder dispersed in an aqueous or organic medium and comprising a reaction product of a reaction mixture comprising one or more epoxy functional polymer(s) and one or more acid functional acrylic polymer(s); and (c) an electrically conductive agent. The present invention also provides an electrode comprising: (a) an electrical current collector; and (b) a cured film formed on the electrical current collector. The cured film is deposited from the slurry composition described above. Electrical storage devices prepared from the electrode are also provided.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: June 28, 2022
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Randy E. Daughenbaugh, Shanti Swarup, Stuart Hellring, Anthony Chasser
  • Patent number: 11367871
    Abstract: The present invention provides a positive electrode active material for a secondary battery which includes a lithium transition metal oxide, wherein the positive electrode active material has three peaks in a differential graph (ERC curve) obtained by differentiating a pH value against an amount of acid (HCl) added, which is obtained by pH titration of 10 g of the lithium transition metal oxide using 0.5 M HCl, wherein a y-axis (dpH/dml) value of a first peak at the smallest x-axis value among the three peaks is ?1.0 or less.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: June 21, 2022
    Inventors: In Seong Ju, Wang Mo Jung, Byung Chun Park, Joo Hong Jin, Ju Kyung Shin, Ji Hye Kim, So Ra Baek, Tae Gu Yoo
  • Patent number: 11342577
    Abstract: Provided is provided a lithium metal battery which includes a composite solid electrolyte membrane interposed between a lithium metal negative electrode and a positive electrode, wherein the composite solid electrolyte membrane includes: a phase transformation layer containing a plasticizer and a lithium salt; a porous polymer sheet layer; and a solid polymer electrolyte layer, the phase transformation layer, the porous polymer sheet layer and the solid polymer electrolyte layer stacked successively, and the phase transformation layer is disposed in such a manner that it faces the lithium metal negative electrode. The lithium metal battery shows reduced resistance at the interface with an electrode and increased ion conductivity, has improved safety, and provides improved energy density of an electrode.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: May 24, 2022
    Inventors: Ji-Hoon Ryu, Guilong Jin, Sung-Joong Kang, Jae-Hyun Lee
  • Patent number: 11329271
    Abstract: Provided is a slurry composition for a positive electrode that has excellent dispersibility and enables production of a secondary battery that can display good output characteristics. The slurry composition for a non-aqueous secondary battery positive electrode contains a positive electrode active material, a conductive material, a particulate polymer, and a polyhydric alcohol polycondensate. The positive electrode active material includes an iron-containing compound. The particulate polymer includes a hydroxyl group-containing monomer unit.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: May 10, 2022
    Inventor: Kayoko Takizawa
  • Patent number: 11322774
    Abstract: The present application provides an electrode, an electrochemical device, and an electronic device. The electrode includes: a current collector; a first active material layer including a first active material; and a second active material layer including a second active material; wherein the first active material layer is arranged between the current collector and the second active material layer. The first active material layer is formed on a surface of the current collector, and a particle size of 90% accumulative volume of the first active material is less than 40 ?m. The active material layer is used in the present application to ensure that the electrochemical device and the electronic device do not generate a short circuit when pressed by an external force, thereby ensuring the mechanical safety performance of the electrochemical device and the electronic device.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: May 3, 2022
    Assignee: Ningde Amperex Technology Limited
    Inventors: Chaowang Lin, Fan Yang, YiSong Su, Huawei Zhong, Changming Qu, Xiaozhen Zhang
  • Patent number: 11316215
    Abstract: A battery structure includes a plurality of batteries each made of lithium-ion secondary battery; and a plurality of arrangement portions in which the plurality of batteries are arranged. The plurality of arrangement portions are divided into two groups of: a upper heat transfer group having heat transfer orders higher than a center value of the heat transfer orders, where the heat transfer orders are respective amount of heat transfer from the batteries being ranked in descending order; and a lower heat transfer group having the heat transfer orders lower than the center value. A battery among the plurality of batteries showing the highest value of a lithium deposition tolerance which represents a degree of lithium being unlikely to deposit during charge/discharge operation, is disposed in a high tolerance arrangement portion in the plurality of arrangement portions, the high tolerance arrangement portion belonging to the upper heat transfer group.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: April 26, 2022
    Inventors: Yuta Shimonishi, Shuhei Yoshida, Daisuke Shibata, Hiroyoshi Yamamoto
  • Patent number: 11302920
    Abstract: Provided herein are high performance electrodes, electrode materials comprising a plurality of active electrode material-containing particles secured within one or more graphenic web, and precursors thereof. Also provided herein are processes of generating the same by an electrospray process.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: April 12, 2022
    Inventors: Yong Lak Joo, Ling Fei
  • Patent number: 11271195
    Abstract: According to one or more embodiments, a lithium-ion battery includes an anode including titanium niobium oxide (TNO) particles and solid electrolyte particles configured to form an interphase layer therebetween, a cathode including an active material, electronic conductor, and a non-solid electrolyte; and an ionically conductive and liquid-impermeable solid electrolyte separator. The solid electrolyte separator is in direct contact with and between the anode and cathode, and is configured to prevent reduction of the non-solid electrolyte by isolating the non-solid electrolyte from the TNO particles.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: March 8, 2022
    Inventor: Venkataramani Anandan
  • Patent number: 11264614
    Abstract: The present invention relates to an energy storage device comprising a silicate comprises a formula: MvM1wM2xSiyOz where M is selected from the group consisting of Li, Na, K, Al, and Mg M1 is selected from the group consisting of alkaline metals, alkaline earth metals, Ti, Mn, Fe, La, Zr, Ce, Ta, Nb, V and combinations thereof; M2 is selected from the group consisting of B, Al, Ga, Ge or combinations thereof; v, y and z are greater than 0; w and/or x is greater than 0; y?x; and wherein MvM1wM2xSiyOz accounts for at least 90 wt % of the composition.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: March 1, 2022
    Assignee: Thermal Ceramics UK Limited
    Inventors: Martyn Brown, Richard Clark, Jason Peter Street
  • Patent number: 11196082
    Abstract: Provided are an anode mixture configured to provide excellent cycle characteristics when used in an all-solid-state lithium ion secondary battery, an anode containing the anode mixture, and an all-solid-state lithium ion secondary battery containing the anode. Disclosed is an anode mixture for an all-solid-state lithium ion secondary battery, wherein the anode mixture contains an anode active material, a solid electrolyte and an electroconductive material; wherein the anode active material contains at least one active material selected from the group consisting of a metal that is able to form an alloy with Li and an oxide of the metal; and wherein a value obtained by dividing, by a BET specific surface area (m2/g) of the solid electrolyte, a volume percentage (%) of the electroconductive material when a volume of the anode mixture is determined as 100 volume %, is 0.09 or more and 1.61 or less.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: December 7, 2021
    Inventors: Norihiro Ose, Hajime Hasegawa, Yusuke Kintsu, Mitsutoshi Otaki
  • Patent number: 11189827
    Abstract: A method for preparing a positive electrode active material for a secondary battery, includes providing a lithium transition metal oxide; forming a mixture by mixing the lithium transition metal oxide, a coating polymer and carbide; and heat-treating the mixture to form a coating layer including a carbonized coating polymer and carbide on the surface of the lithium transition metal oxide particle.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: November 30, 2021
    Inventors: Dong Joon Ahn, Moon Kyu Cho, Sung Soon Park
  • Patent number: 11171325
    Abstract: A negative electrode of a lithium ion electrochemical cell, the negative electrode including an active electrode material that includes a first component and a second component. The first component may include graphene, silicon, or a combination thereof. The second component may include silicon. The active electrode material may include particles in which the second component is encapsulated by the first component. The negative electrode may have an internal porosity of between 40 to 60 percent.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: November 9, 2021
    Inventors: Joshua J. Lau, Cary M. Hayner, Seonbaek Ha, James Mckinney, Francis Wang, Christine A. Frysz
  • Patent number: 11165063
    Abstract: Process for making a particulate material of general formula (I), Li1+x(NiaCobMncMd)1?xO2??(I) wherein the integers are defined as follows: M is selected from Al and Ti, x is in the range of from 0.015 to 0.03, a is in the range of from 0.3 to 0.6, b is in the range of from 0.05 to 0.35, c is in the range of from 0.2 to 0.5, d is in the range of from 0.001 to 0.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: November 2, 2021
    Assignee: BASF SE
    Inventors: Aleksei Volkov, Jordan Lampert, Thomas Michael Ryll, Ji-Yong Shin, Markus Hoelzle, Michael Eder
  • Patent number: 11145900
    Abstract: A lithium battery includes a cathode including a cathode active material an anode including an anode active material and an organic electrolytic solution between the cathode and the anode, wherein the cathode includes a carbonaceous nanostructure, and the organic electrolytic solution includes a first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: October 12, 2021
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Miyoung Son, Kyoungsoo Kim, Yunhee Kim, Jaehong Kim, Hana Ra, Suyeol Ryu, Myunghwan Jeong, Sunjoo Choi, Myungheui Woo, Seungtae Lee, Harim Lee, Siyoung Cha
  • Patent number: 11063295
    Abstract: To provide a structure which allows production of an electrode, even if the film thickness of an electrode is increased; and a non-aqueous electrolyte secondary battery using the same.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: July 13, 2021
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Yasuhiko Ohsawa, Yuki Kusachi, Hiroshi Akama, Hideaki Horie, Yusuke Mizuno, Kenichi Kawakita, Yasuhiro Shindo, Yasuhiro Tsudo
  • Patent number: 11056678
    Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor: thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: July 6, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Nobuhiro Inoue, Sachiko Kataniwa, Kazutaka Kuriki, Junpei Momo
  • Patent number: 11031644
    Abstract: The present technology provides a battery that includes an air cathode, an anode, an aqueous electrolyte that includes an amphoteric surfactant, and a housing that includes one or more air access ports defining a total area of void space (“vent area”), where (1) the battery is a size 13 metal-air battery and the total vent area defined by all of the air access ports is from about 0.050 mm2 to about 0.115 mm2; or (2) the battery is a size 312 metal-air battery and the total vent area defined by all of the air access ports is from about 0.03 mm2 to about 0.08 mm2.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: June 8, 2021
    Inventors: Ian Pozdol, Marc Syvertsen, Tony Rubsam, Kokkie Schnetz
  • Patent number: 11031594
    Abstract: A positive active material for a rechargeable lithium battery, and a rechargeable lithium battery and a battery module including the same are provided. The positive active material may include a lithium nickel-manganese-cobalt composite oxide with a coating layer on the surface. The coating layer on the surface may include a lithium oxide including Al and/or W, for example, Al and W.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: June 8, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Youngjoo Chae, Kitae Kim, Young-Ki Kim, Jungjoon Park, Dong-Hwan Yu, Soonrewl Lee, Hyerim Lee, Ickkyu Choi, Soonkie Hong, Kisoo Lee
  • Patent number: 11024850
    Abstract: A lithium-ion battery includes a cathode comprising a lithium compound and the cathode further includes solid additives based on metal nitrides and/or borates. The solid additives improve the capacity retention of the lithium-ion battery and extend the battery lifetime. The solid additives also reduce the growth in internal resistance of the lithium-ion battery that is known to occur as Li-ion batteries age. The solid additives help stabilize the lithium-ion chemistry to high cell potentials or temperatures.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: June 1, 2021
    Assignee: XILECTRIC, INC.
    Inventor: Steven E. Weiss
  • Patent number: 11018333
    Abstract: According to one embodiment, a plate or electrode for a lead-acid battery includes a grid of lead alloy material, a paste of active material applied to the grid of lead alloy material, and a nonwoven fiber mat disposed at least partially within the paste of active material. The nonwoven fiber mat includes a plurality of fibers, a binder material that couples the plurality of fibers together, and a conductive material disposed at least partially within the nonwoven fiber mat so as to contact the paste of active material. In some embodiments, the nonwoven fiber mat may have an electrical resistant of less than about 100,000 ohms per square to enable electron flow on a surface of the nonwoven fiber mat.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: May 25, 2021
    Assignee: Johns Manville
    Inventors: Zhihua Guo, Souvik Nandi, Jawed Asrar, Albert G Dietz, III
  • Patent number: 11005091
    Abstract: A novel composite electrode material and a method for manufacturing the same, a composite electrode containing said composite electrode material, and a Li-based battery comprising said composite electrode are disclosed. Herein, the composite electrode material of the present invention comprises: a core, wherein a material of the core is at least one selected from the group consisting of Sn, Sb, Si, Ge, C, and compounds thereof; and a carbon nanotube or a carbon fiber, wherein the carbon nanotube or the carbon fiber grows on a surface including a surface of the core.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: May 11, 2021
    Inventors: Yon-Hua Tzeng, Wai-Leong Chen, Wei-Chih Huang
  • Patent number: 10991935
    Abstract: Described are structural electrode and structural batteries having high energy storage and high strength characteristics and methods of making the structural electrodes and structural batteries. The structural batteries provided can include a liquid electrolyte and carbon fiber-reinforced polymer electrodes comprising metallic tabs. The structural electrodes and structural batteries provided can be molded into a shape of a function component of a device such as ground vehicle or an aerial vehicle.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: April 27, 2021
    Assignee: The MITRE Corporation
    Inventors: Nicholas Hudak, Kurt Eisenbeiser
  • Patent number: 10978693
    Abstract: Provided in the present invention are a battery paste, a battery electrode plate, and a preparation method therefor, the battery electrode plate comprising a current collector and an electrode paste film attached to the current collector; the electrode paste film comprises an active substance, a conductive agent, a polymer binder, and fluorophosphate Compared to the prior art, by means of adjusting the components of the electrode paste film, prepared battery electrode plates of the present invention, particularly thick electrode plates, have excellent recycling performance and high rate charge and discharge performance; the preparation method is simple, easy to execute, and low cost, can incorporate existing production devices, and is suitable for use in industrial production; in addition, the battery electrode plate of the present invention contains fluorophosphate, which has a fire retardant effect and can improve the safety of lithium ion batteries MZ+[POxFy]Z??(I)
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: April 13, 2021
    Inventors: Hao Luo, Guanghua Yang, Zhaoping Liu
  • Patent number: 10957900
    Abstract: According to one embodiment, there is provided an active material. The active material includes secondary particles. The secondary particles include first primary particles and second primary particles. The first primary particles include an orthorhombic Na-containing niobium-titanium composite oxide. The second primary particles include at least one selected from the group consisting of a carbon black, a graphite, a titanium nitride, a titanium carbide, a lithium titanate having a spinel structure, a titanium dioxide having an anatase structure, and a titanium dioxide having a rutile structure.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: March 23, 2021
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Keigo Hoshina, Yasuhiro Harada, Norio Takami
  • Patent number: 10950888
    Abstract: An electrode film of an all-solid-state battery, an all-solid-state battery, and an electrode of an all-solid-state battery, which are fabricated by a process that includes thermally consolidating an electrode film by sintering at a temperature that does not exceed a predetermined threshold of a lowest melting temperature between an anode material and an cathode material.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: March 16, 2021
    Assignee: l-TEN
    Inventors: Fabien Gaben, Cédric Weiss, Claire Sorriano
  • Patent number: 10934171
    Abstract: Disclosed is a functionalized graphene containing two or more amines having excellent electrical, thermal and mechanical properties by allowing good interfacial bonding force and uniform dispersion with a thermoplastic polymer, and a method for preparing the functional graphene. The functionalized graphene comprises a carbon material selected from the group consisting of graphene, reduced graphene, graphene oxide, and mixture thereof; and a monovalent amine group and a bivalent or higher amine group which are bonded to the carbon material.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: March 2, 2021
    Assignee: Dongjin Semichem Co., Ltd.
    Inventors: Sunchan Park, Hyeonseong Choe, Soo Yeon Lee, Seon Yeong Gong
  • Patent number: 10930925
    Abstract: The invention relates to formulations comprising: (i) a first active material; (ii) a second active material; and (iii) a metal-coordination complex, wherein the first active material and the second active material have at least one surface property which is different, one from the other. Such formulations are more homogenous than those formed without the metal-coordination complex and can be used to form composite materials, such as those forming part of a conductive interface, having advantageous properties and providing for improvement in functionality of the conductive interface.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: February 23, 2021
    Inventors: Chang-Yi Huang, Nobuyoshi Joe Maeji, Quansheng Song