Patents Examined by Laura Weiner
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Patent number: 11362316Abstract: Batteries having hybrid electrode configurations are disclosed herein. In one embodiment, a battery comprises an electrode assembly. The electrode assembly comprises a first cathode including a first cathode active material, a second cathode including a second cathode active material different from the first cathode active material, a first anode disposed between the first cathode and the second cathode, a first separator interposed between the first cathode and the first anode, and a second separator interposed between the second cathode and the first anode.Type: GrantFiled: December 13, 2019Date of Patent: June 14, 2022Assignee: Pacesetter, Inc.Inventor: Xiaofei Jiang
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Patent number: 11355751Abstract: A battery includes an electrode group including an air electrode and a negative electrode stacked with a separator therebetween, and a battery case accommodating the electrode group along with an alkali electrolyte solution, wherein the air electrode includes an air electrode mixture containing a pyrochlore-type composite oxide and a manganese oxide, and the pyrochlore-type composite oxide is a bismuth-ruthenium oxide.Type: GrantFiled: October 28, 2019Date of Patent: June 7, 2022Assignee: FDK CORPORATIONInventors: Takeshi Kajiwara, Shohei Unoki, Takahiro Endo
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Patent number: 11355778Abstract: An anodeless lithium metal battery includes: a cathode including a cathode current collector and a cathode active material layer on the cathode current collector; an anode current collector on the cathode; a composite electrolyte between the cathode and the anode current collector, wherein the composite electrolyte, wherein the composite electrolyte includes a first liquid electrolyte and a metal comprising at least one of a lithium metal and a lithium metal alloy; and a liquid-impermeable ion-conductive composite membrane between the cathode and the composite electrolyte.Type: GrantFiled: December 31, 2018Date of Patent: June 7, 2022Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Wonseok Chang, Hyorang Kang, Jirae Kim
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Patent number: 11349148Abstract: An anodeless lithium metal battery includes: a cathode including a cathode current collector and a cathode active material layer on the cathode current collector; an anode current collector on the cathode; and a composite electrolyte between the cathode and the anode current collector, wherein the composite electrolyte includes a first liquid electrolyte and at least one of lithium metal or a lithium metal alloy.Type: GrantFiled: December 31, 2018Date of Patent: May 31, 2022Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Wonseok Chang, Hyorang Kang, Soyeon Kim, Jirai Kim, Toshinori Sugimoto, Yonggun Lee, Dongmin Im, Shintaro Kitajima
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Patent number: 11335952Abstract: 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 organic electrolytic solution includes a first lithium salt, a second 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. The second lithium salt includes at least one selected from LiCF3SO3, Li(CF3SO2)2N, LiC4F9SO3, Li(FSO2)2N, and LiN(CxF2x+1SO2)(CyF2y+1SO2) where 2?x?20 and 2?y?20.Type: GrantFiled: September 19, 2018Date of Patent: May 17, 2022Assignee: 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
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Patent number: 11329268Abstract: A positive electrode, a negative electrode containing lithium, and a nonaqueous electrolyte having lithium ion conductivity are installed. The nonaqueous electrolyte contains a nonaqueous solvent and a solute. The positive electrode contains a positive electrode active material containing at least manganese dioxide, a conductive agent, and a binding agent and further contains an oxide and sulfate of a rare-earth element.Type: GrantFiled: February 14, 2018Date of Patent: May 10, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Miyuki Nakai, Yasuyuki Kusumoto, Yusuke Kawahara, Futoshi Tanigawa, Atsushi Fukui
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Patent number: 11316198Abstract: The present application provides a lithium-ion battery and an apparatus, the lithium-ion battery includes an electrode assembly and an electrolyte. The electrode assembly includes a positive electrode sheet, a negative electrode sheet and a separation film. The positive active material in the positive electrode sheet includes Lix1Coy1M1-y1 O2-z1Qz1, 0.5?x1?1.2, 0.8?y1<1.0, 0?z1?0.1, and M is selected from one of Al, Ti, Zr, Y, and Mg, and Q is selected from one or more of F, Cl, and S. The electrolyte contains an additive A and an additive B, the additive A is a polynitrile six-membered nitrogen-heterocyclic compound with a relatively low oxidation potential, and the additive B is an aliphatic dinitrile or polynitrile compound with a relatively high oxidation potential. The lithium-ion battery of the present application has superb cycle performance and storage performance, especially under high-temperature and high-voltage conditions.Type: GrantFiled: January 8, 2021Date of Patent: April 26, 2022Assignee: Contemporary Amperex Technology Co., LimitedInventors: Tiancheng Yi, Chunhua Hu, Yao Jiang, Shushi Dou, Chengdu Liang
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Patent number: 11316203Abstract: A secondary battery having high electromotive force and including less lead or being free of lead is provided. The secondary battery includes a positive electrode including a positive electrode active material containing manganese oxide, a negative electrode including a negative electrode active material containing at least one selected from zinc, gallium, and tin, and an electrolytic solution containing at least one selected from phosphoric acid and organic oxoacid and having a pH of less than 7 at 25° C. This secondary battery has an open circuit voltage of more than 1.6 V in a fully charged state.Type: GrantFiled: May 22, 2018Date of Patent: April 26, 2022Assignee: NAMICS CORPORATIONInventor: Takayuki Fujita
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Patent number: 11316197Abstract: The present application provides a lithium-ion battery and an apparatus, and the lithium-ion battery includes an electrode assembly and an electrolytic solution, the electrode assembly includes a positive electrode sheet, a negative electrode sheet and a separation film. A positive active material of the positive electrode sheet includes Lix1Coy1M1-yO2-z1Qz1, 0.5?x1?1.2, 0.8?y1?1.0, 0?z1?0.1, M is selected from one or more of Al, Ti, Zr, Y, and Mg, and Q is selected from one or more of F, Cl, and S. The electrolytic solution contains vinylene carbonate, fluoroethylene carbonate, 1,3-propane sultone, and an additive A. The additive A is a polynitrile six-membered nitrogen-heterocyclic compound with a relatively low oxidation potential. The lithium-ion battery has superb cycle performance and storage performance, especially under high-temperature and high-voltage conditions.Type: GrantFiled: December 21, 2020Date of Patent: April 26, 2022Assignee: Contemporary Amperex Technology Co., LimitedInventors: Tiancheng Yi, Chunhua Hu, Yao Jiang, Shushi Dou, Chengdu Liang
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Patent number: 11316201Abstract: A lithium ion battery that has a 5 V stabilized manganese cathode and a nonaqueous electrolyte comprising a phosphate additive is described. The lithium ion battery operates with a high voltage cathode (i.e. up to about 5 V) and has improved cycling performance at high temperature.Type: GrantFiled: June 22, 2018Date of Patent: April 26, 2022Assignee: Solvay SAInventors: Charles J. Dubois, Viacheslav A. Petrov, Mark Gerrit Roelofs
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Patent number: 11296357Abstract: An object of the present invention 1 is to provide a non-aqueous electrolyte secondary battery having excellent general performance balance between durability performance and properties, such as a capacity, a resistance, and output characteristics.Type: GrantFiled: September 20, 2019Date of Patent: April 5, 2022Assignees: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATIONInventors: Eiji Nakazawa, Youichi Oohashi, Atsushi Watarai
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Patent number: 11289703Abstract: Provided is a novel positive electrode active material for a sodium-ion secondary cell having a good discharge capacity. A positive electrode active material for a sodium-ion secondary cell, the positive electrode active material containing, in terms of % by mole of oxide, 8 to 55% Na2O, 10 to 70% NiO, 0 to 60% CrO+FeO+MnO+CoO, and 15 to 70% P2O5+SiO2+B2O3 and containing an amorphous phase.Type: GrantFiled: October 20, 2016Date of Patent: March 29, 2022Assignee: NIPPON ELECTRIC GLASS CO., LTD.Inventor: Hideo Yamauchi
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Patent number: 11276884Abstract: Described herein are fluoro-substituted ethers of Formula (I): wherein R1 is a fluoro-substituted C2-C6 alkyl group; R2 is a C2-C6 alkyl group or a fluoro-substituted C2-C6 alkyl group; each R3 independently is H, F, methyl, or fluoro-substituted methyl; and n is 0, 1, 2, 3, or 4. The fluoro-substituted ether compounds are useful as solvents for lithium containing electrolytes in lithium batteries, particularly lithium-sulfur batteries.Type: GrantFiled: April 11, 2019Date of Patent: March 15, 2022Assignee: UCHICAGO ARGONNE, LLCInventors: Zhengcheng Zhang, Chi Cheung Su
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Patent number: 11276883Abstract: The present invention provides a novel electrolyte solution capable of providing electrochemical devices whose internal resistance is less likely to increase even after repeated charge and discharge and whose cycle capacity retention ratio is high. The electrolyte solution of the present invention contains a solvent, an electrolyte salt, and at least one selected from the group consisting of compounds represented by R11X11—SO3M11 and compounds represented by R21R22N—SO3M21 in an amount of 0.001 to 10 mass % relative to the solvent.Type: GrantFiled: June 25, 2019Date of Patent: March 15, 2022Assignee: DAIKIN INDUSTRIES. LTD.Inventors: Atsushi Maruo, Hideo Sakata, Shinichi Kinoshita
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Patent number: 11271249Abstract: This application provides a lithium-ion battery and an apparatus. The lithium-ion battery includes an electrode assembly and an electrolyte. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator. A positive active material of the positive electrode plate includes Lix1Coy1M1-y1O2-z1Qz1, where 0.5?x1?1.2, 0.8?y1<1.0, 0?z1?0.1, M is selected from one or more of Al, Ti, Zr, Y, and Mg, and Q is selected from one or more of F, Cl, and S. The electrolyte contains an additive A that is a polynitrile six-membered nitrogen-heterocyclic compound with a relatively low oxidation potential. The lithium-ion battery has superb cycle performance and storage performance, especially under high-temperature and high-voltage conditions.Type: GrantFiled: December 13, 2019Date of Patent: March 8, 2022Assignee: Contemporary Amperex Technology Co., LimitedInventors: Tiancheng Yi, Chunhua Hu, Shushi Dou, Yao Jiang, Chengdu Liang
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Patent number: 11264645Abstract: 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. The anode active material includes a metal-based anode active material. 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, wherein both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.Type: GrantFiled: September 19, 2018Date of Patent: March 1, 2022Assignee: 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
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Patent number: 11264644Abstract: 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. The organic electrolytic solution includes a first lithium salt, a second lithium salt different from the 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, wherein both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.Type: GrantFiled: September 19, 2018Date of Patent: March 1, 2022Assignee: 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
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Patent number: 11264646Abstract: The present disclosure relates to the field of energy storage materials, and particularly, to an electrolyte and an electrochemical device. The electrolyte includes an additive A and an additive B, the additive A is selected from a group consisting of multi-cyano six-membered N-heterocyclic compounds represented by Formula I-1, Formula I-2 and Formula I-3, and combinations thereof, and the additive B is at least one halogenated cyclic carbonate compound. The electrochemical device includes the above electrolyte. The electrolyte of the present disclosure can effectively passivate surface activity of the positive electrode material, inhibit oxidation of the electrolyte, and effectively reduce gas production of the battery, while an anode SEI film can be formed to avoid a contact between the anode and the electrode and thus to effectively reduce side reactions.Type: GrantFiled: July 18, 2017Date of Patent: March 1, 2022Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Lu Miao, Chunhua Hu, Tiancheng Yi, Yao Jiang, Chengdu Liang
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Patent number: 11264613Abstract: The present application provides a lithium-ion battery and an apparatus. The lithium-ion battery includes an electrode assembly and an electrolytic solution. The electrode assembly includes a positive electrode sheet, a negative electrode sheet, and a separation film. A positive active material in the positive electrode sheet includes Lix1Coy1M1-y1O2-z1Qz1. A negative active material in the negative electrode sheet includes one or more of Si, SiOx2, a Si/C composite material, and a Si alloy. The electrolytic solution contains an additive A and an addictive B, the additive A is a polynitrile six-membered nitrogen-heterocyclic compound with a relatively low oxidation potential, and the additive B is a halogen-substituted cyclic carbonate compound. The lithium-ion battery has superb cycle performance and storage performance, especially under high-temperature and high-voltage conditions.Type: GrantFiled: January 8, 2021Date of Patent: March 1, 2022Assignee: Contemporary Amperex Technology Co., LimitedInventors: Tiancheng Yi, Chunhua Hu, Shushi Dou, Yao Jiang, Chengdu Liang
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Patent number: 11258098Abstract: Described herein are additives for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high capacity retention during battery cycling at high temperatures. In some embodiments, a high voltage electrolyte includes a base electrolyte and one or more polymer additives, which impart these desirable performance characteristics. The polymer additives can be homopolymers or copolymers.Type: GrantFiled: November 30, 2018Date of Patent: February 22, 2022Assignee: Wildcat Discovery Technologies, Inc.Inventors: Gang Cheng, Jinhua Huang, Ye Zhu