公开(公告)号：US10193134B2

公开(公告)日：2019-01-29

申请号：US14770536

申请日：2014-02-24

Applicant: Umicore ,  Umicore Korea Ltd. ,  Tokyo University of Science Foundation

Inventor： Jens Paulsen ,  Shinichi Komaba ,  Ryo Hara ,  Naoaki Yabuuchi ,  Masataka Kajiyama

IPC: H01M4/505 ,  H01M10/054 ,  C01G45/12 ,  H01M4/131 ,  H01M4/525 ,  H01M4/02 ,  H01M4/04

Abstract: A sodium transition metal cathode material for a rechargeable sodium battery having a P2 layered bronze crystal structure, comprising at least 55 mol % manganese, wherein the manganese valence state is at least 3.75. The material undergoes a structural transformation to a secondary cathode material by extraction of sodium during the 1st charge of a rechargeable sodium battery comprising the sodium cathode material. The material has either a composition NaxMO2 where M=Mn1-y-zLiyAz where z

公开(公告)号：US10454108B2

公开(公告)日：2019-10-22

申请号：US15575462

申请日：2016-05-20

Applicant: Umicore ,  Tokyo University of Science Foundation

Inventor： Shinichi Kumakura ,  Shinichi Komaba ,  Kei Kubota ,  Yoshiyuki Tahara

IPC: H01B1/06 ,  H01M4/525 ,  H01M4/505 ,  C01G45/12 ,  C01G53/00 ,  H01M10/054 ,  H01M10/058 ,  H01M4/02

Abstract: A sodium transition metal based cathode material for a rechargeable sodium battery, having a P2 orthorhombic layered bronze crystal structure with space group Cmcm, and having a composition NaxMyMn1-yLiy′AzO2 with 0.60 0.

公开(公告)号：US10153487B2

公开(公告)日：2018-12-11

申请号：US15111021

申请日：2015-02-25

Applicant: JX Nippon Mining & Metals Corporation ,  Tokyo University Of Science Foundation

Inventor： Naoaki Yabuuchi ,  Shinichi Komaba ,  Yoshio Kajiya

IPC: H01M4/505 ,  H01M4/131 ,  H01M4/62 ,  H01M4/66 ,  H01M10/0525 ,  H01M4/485 ,  H01M4/525 ,  C01G53/00 ,  C01G45/12 ,  H01M4/04 ,  H01M4/1391 ,  H01M4/02

Abstract: Provided is a novel lithium complex oxide containing molybdenum. A complex oxide represented by the following compositional formula: LixMyMozO wherein M is one or two or more selected from the group consisting of Mn, Ru, Sn, Mg, Al, Ti, V, Cr, Fe, Co, Ni, Cu, and Zn; x is in the range of 0.60 to 0.75; y is in the range of 0.15 to 0.25; and z is in the range of 0.075 to 0.20.

公开(公告)号：US20210358695A1

公开(公告)日：2021-11-18

申请号：US16479783

申请日：2018-01-19

Applicant: Tokyo University of Science Foundation

Inventor： Shinichi Komaba ,  Kei Kubota ,  Tomooki Hosaka

IPC: H01G11/06 ,  H01M10/054 ,  H01G11/32 ,  H01G11/60 ,  H01M10/0569

Abstract: An electrolyte solution for a potassium ion battery or a potassium ion capacitor, the electrolyte solution comprising at least one potassium salt compound selected from the group consisting of potassium bis(trifluoromethanesulfonyl)amide and potassium bis(fluorosulfonyl)amide and at least one solvent selected from the group consisting of ethylene glycol dimethyl ether, diethylene glycol dimethyl ether, triethylene glycol dimethyl ether, tetraethylene glycol dimethyl ether, pentaethylene glycol dimethyl ether, ethylene carbonate, and propylene carbonate, in which a concentration of the potassium salt compound in the electrolyte solution is from 1.5 mol/kg to 12.0 mol/kg.

公开(公告)号：US10593992B2

公开(公告)日：2020-03-17

申请号：US15518104

申请日：2015-09-03

Applicant: TOKYO UNIVERSITY OF SCIENCE FOUNDATION

Inventor： Shinichi Komaba ,  Kei Kubota ,  Mouad Dahbi ,  Tatsuya Hasegawa

IPC: H01M10/054 ,  H01M4/62 ,  H01M4/587 ,  H01G11/32 ,  H01G11/38 ,  H01M4/133 ,  H01G11/30 ,  H01G11/68 ,  H01M4/66 ,  H01M4/02

Abstract: Provided are: a potassium ion secondary battery which is not susceptible to deterioration of charge/discharge capacity even if charging and discharging are repeated, and which has a long service life as a secondary battery; a potassium ion capacitor; a negative electrode for the potassium ion secondary battery; and a negative electrode for the potassium ion capacitor. A negative electrode for potassium ion secondary batteries and a negative electrode for potassium ion capacitors, each of which contains a carbon material that is capable of absorbing and desorbing potassium and a binder that contains a polycarboxylic acid and/or a salt thereof. A potassium ion secondary battery which is provided with the negative electrode or the capacitor. A binder for negative electrodes of potassium ion secondary batteries or negative electrodes of potassium ion capacitors, which contains a polycarboxylic acid and/or a salt thereof.

公开(公告)号：US20160344026A1

公开(公告)日：2016-11-24

申请号：US15111021

申请日：2015-02-25

Applicant: JX Nippon Mining & Metals Corporation ,  Tokyo University Of Science Foundation

Inventor： Naoaki Yabuuchi ,  Shinichi Komaba ,  Yoshio Kajiya

IPC: H01M4/505 ,  C01G53/00 ,  H01M10/0525 ,  H01M4/131 ,  H01M4/62 ,  H01M4/66 ,  H01M4/525 ,  C01G45/12

CPC classification number: H01M4/505 ,  C01G45/1221 ,  C01G45/1285 ,  C01G53/42 ,  C01G53/44 ,  C01P2002/72 ,  C01P2002/76 ,  C01P2006/40 ,  H01M4/0404 ,  H01M4/043 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/525 ,  H01M4/623 ,  H01M4/625 ,  H01M4/661 ,  H01M10/0525 ,  H01M2004/028

Abstract: Provided is a novel lithium complex oxide containing molybdenum. A complex oxide represented by the following compositional formula: LixMyMozO wherein M is one or two or more selected from the group consisting of Mn, Ru, Sn, Mg, Al, Ti, V, Cr, Fe, Co, Ni, Cu, and Zn; x is in the range of 0.60 to 0.75; y is in the range of 0.15 to 0.25; and z is in the range of 0.075 to 0.20.

Abstract translation: 提供了含有钼的新型锂复合氧化物。 由以下组成式表示的复合氧化物：LixMyMozO其中M为选自Mn，Ru，Sn，Mg，Al，Ti，V，Cr，Fe，Co，Ni，Cu中的一种或两种以上 锌; x在0.60〜0.75的范围内; y在0.15至0.25的范围内; z在0.075〜0.20的范围内。

公开(公告)号：US11227726B2

公开(公告)日：2022-01-18

申请号：US16479783

申请日：2018-01-19

Applicant: Tokyo University of Science Foundation

Inventor： Shinichi Komaba ,  Kei Kubota ,  Tomooki Hosaka

IPC: H01G11/06 ,  H01M10/054 ,  H01M10/0569 ,  H01G11/60 ,  H01G11/32

Abstract: An electrolyte solution for a potassium ion battery or a potassium ion capacitor, the electrolyte solution comprising at least one potassium salt compound selected from the group consisting of potassium bis(trifluoromethanesulfonyl)amide and potassium bis(fluorosulfonyl)amide and at least one solvent selected from the group consisting of ethylene glycol dimethyl ether, diethylene glycol dimethyl ether, triethylene glycol dimethyl ether, tetraethylene glycol dimethyl ether, pentaethylene glycol dimethyl ether, ethylene carbonate, and propylene carbonate, in which a concentration of the potassium salt compound in the electrolyte solution is from 1.5 mol/kg to 12.0 mol/kg.

公开(公告)号：US10854881B2

公开(公告)日：2020-12-01

申请号：US15305521

申请日：2015-04-21

Applicant: FUJIFILM WAKO PURE CHEMICAL CORPORATION ,  TOKYO UNIVERSITY OF SCIENCE FOUNDATION

Inventor： Shinichi Komaba ,  Kiyofumi Yamagiwa ,  Shoko Aoki ,  Kuniaki Okamoto ,  Takahiro Kiyosu ,  Yasuyoshi Mori ,  Takatoshi Matsuura ,  Michihiko Sato

IPC: H01M4/62 ,  H01M4/134 ,  H01M4/587 ,  C08F220/56 ,  H01M4/36 ,  H01M4/38 ,  C08F220/18 ,  C08F220/06 ,  H01M10/0525

Abstract: It is an object of the present invention to provide an electrode having superior charge-discharge capacity, even in the case of using an active material containing silicon.The present invention relates to “a binder for a lithium cell comprises a polymer having a monomer unit derived from acrylic acid, and 1 to 2 kinds of monomer units derived from the compound shown by the general formula (I), the general formula (II), or the general formula (III), as constituents, and cross-linked by a cross-linking agent selected from the compounds described by the following general formulae [1] to [13], and the polymer described by the following general formula [14]”, “a composition for producing an electrode of a lithium cell comprising 1) an active material containing silicon, 2) a conductive assistant, and 3) the above-described binder for a cell”, and “an electrode for a lithium cell having 1) an active material containing silicon, 2) a conductive assistant, 3) the above-described binder for a cell, and (4) a current collector”.

公开(公告)号：US20170040612A1

公开(公告)日：2017-02-09

申请号：US15305521

申请日：2015-04-21

Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD. ,  TOKYO UNIVERSITY OF SCIENCE FOUNDATION

Inventor： Shinichi Komaba ,  Kiyofumi Yamagiwa ,  Shoko Aoki ,  Kuniaki Okamoto ,  Takahiro Kiyosu ,  Yasuyoshi Mori ,  Takatoshi Matsuura ,  Michihiko Sato

IPC: H01M4/62 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/134 ,  H01M4/587

CPC classification number: H01M4/622 ,  C08F220/06 ,  C08F220/18 ,  C08F220/56 ,  H01M4/134 ,  H01M4/36 ,  H01M4/38 ,  H01M4/386 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525 ,  C08F220/20 ,  C08F216/125 ,  C08F220/54 ,  C08F2220/286 ,  C08F2220/1841 ,  C08F220/24

Abstract: It is an object of the present invention to provide an electrode having superior charge-discharge capacity, even in the case of using an active material containing silicon.The present invention relates to “a binder for a lithium cell comprises a polymer having a monomer unit derived from acrylic acid, and 1 to 2 kinds of monomer units derived from the compound shown by the general formula (I), the general formula (II), or the general formula (III), as constituents, and cross-linked by a cross-linking agent selected from the compounds described by the following general formulae [1] to [13], and the polymer described by the following general formula [14]”, “a composition for producing an electrode of a lithium cell comprising 1) an active material containing silicon, 2) a conductive assistant, and 3) the above-described binder for a cell”, and “an electrode for a lithium cell having 1) an active material containing silicon, 2) a conductive assistant, 3) the above-described binder for a cell, and (4) a current collector”.

Abstract translation: 本发明涉及“锂电池用粘合剂”，其具有来自丙烯酸的单体单元的聚合物和由通式（I），通式（II）表示的化合物衍生的1〜2种单体单元， ）或通式（III）作为组分，并且通过选自以下通式[1]至[13]所述的化合物的交联剂交联，并且由以下通式 [14]“，”锂电池电极的制造用组合物，其包含1）含有硅的活性物质，2）导电助剂，以及3）上述电池用粘合剂“，” 锂电池，其具有1）含硅的活性物质，2）导电助剂，3）上述电池用粘结剂，（4）集电体。

公开(公告)号：US11145863B2

公开(公告)日：2021-10-12

申请号：US16463789

申请日：2017-11-20

Applicant: Tokyo University of Science Foundation

Inventor： Shinichi Komaba ,  Kei Kubota ,  Kuniko Chihara ,  Akihiro Katogi

IPC: H01M4/58 ,  C01G31/00 ,  H01M10/054 ,  C01B25/455 ,  C01B25/45 ,  H01M4/02

Abstract: Provided is the positive electrode active material for a potassium ion battery according to the embodiment comprises a compound represented by Formula (1), in which M represents at least one element selected from the group consisting of V, Fe, Co, Ni, and Mn, and x represents a number from 0 to 1; and is a positive electrode for a potassium ion battery comprising the positive electrode active material for a potassium ion battery according to the embodiment, or a potassium ion battery comprising the positive electrode for a potassium ion battery. KMOxPO4F1-x  [Formula (1)].