公开(公告)号：US20210249700A1

公开(公告)日：2021-08-12

申请号：US17240053

申请日：2021-04-26

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshiko KUWAJIMA ,  Toshiharu SHIMOOKA ,  Akinori TANI ,  Kae FUJIWARA ,  Masamichi MORITA

IPC: H01M10/36 ,  H01M4/04 ,  H01M4/36

Abstract: A coated particle including a sulfide-based particle and a fluorine-containing polymer that coats a surface of the sulfide-based particle. The fluorine-containing polymer includes a structural unit (1) based on a monomer (1) represented by the following formula (1) and a structural unit (2) based on at least one selected from the group consisting of, for example, a monomer (2) represented by the following formula (2): wherein, for example, X is a hydrogen atom; Y is a direct bond; and Rf is a C1-C10 linear or branched fluoroalkyl group, wherein, for example, R1 is a hydrogen atom; and R2 is a hydrocarbon group. Also disclosed are positive and negative electrodes including the coated particle, an all-solid-state battery including the positive and negative electrodes and a coating composition for a sulfide-based all-solid-state battery.

公开(公告)号：US20210043974A1

公开(公告)日：2021-02-11

申请号：US17041721

申请日：2019-03-11

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Masakazu KINOSHITA ,  Tomoya HIDAKA ,  Toshiharu SHIMOOKA ,  Shigeaki YAMAZAKI ,  Hisako NAKAMURA ,  Takaya YAMADA ,  Yuuki SUZUKI ,  Yoshiko KUWAJIMA ,  Kenzou TAKAHASHI ,  Akiyoshi YAMAUCHI ,  Kotaro HAYASHI

IPC: H01M10/0567 ,  H01M10/0525 ,  H01G11/64

Abstract: An electrolyte solution containing a compound (1) represented by the formula (1), (wherein R101 and R102 are each individually a substituent such as a C1-C7 alkyl group, and the substituent optionally contains at least one divalent to hexavalent hetero atom in a structure or optionally has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C0-C7 functional group) and at least one compound (11) selected from compounds such as a compound represented by formula (11-1) (wherein R111 and R112 are the same as or different from each other and are each a hydrogen atom or the like, and R113 is an alkyl group free from a fluorine atom or the like):

公开(公告)号：US20210057750A1

公开(公告)日：2021-02-25

申请号：US17091867

申请日：2020-11-06

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Shigeaki YAMAZAKI ,  Yoshiaki HONDA ,  Toshiharu SHIMOOKA ,  Yoshimi MOTONARI ,  Hisashi MITSUHASHI

IPC: H01M4/62 ,  H01M4/36

Abstract: An electrode having a coating layer formed from a composition including a perfluoropolyether group-containing compound represented by the formula (A1), (A2), (B1), (B2), (C1), (C2), (D1), (D2), (E1) or (E2) as defined herein, wherein in the composition, compounds represented by formulae (A2), (B2), (C2), (D2) and (E2) are 0.1 mol % or more and 35 mol % or less based on the total amount of compounds represented by formulae (A1), (B1), (C1), (D1) and (E1) and compounds represented by formulae (A2), (B2), (C2), (D2) and (E2). Also disclosed is an electrochemical device including the electrode.

公开(公告)号：US20250096327A1

公开(公告)日：2025-03-20

申请号：US18969630

申请日：2024-12-05

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tomoya HIDAKA ,  Junpei TERADA ,  Shigeaki YAMAZAKI ,  Toshiharu SHIMOOKA ,  Mariko FUJI ,  Kae FUJIWARA

IPC: H01M10/0569 ,  H01M4/02 ,  H01M4/38 ,  H01M4/583 ,  H01M10/0525

Abstract: Provided are an electrolytic solution that can allow a secondary battery comprising a silicon negative electrode to be improved in life and suppressed in an increase in resistance, and a secondary battery using the electrolytic solution. An electrolytic solution for use in a battery comprising an electrode having a negative electrode material containing a silicon element and a carbon element, wherein the electrolytic solution comprises less than 10% by mass of a fluorinated ether represented by the following general formula (1): HCF2CF2—O—R (1), wherein R is a fluorinated alkyl group.

公开(公告)号：US20240088381A1

公开(公告)日：2024-03-14

申请号：US18503477

申请日：2023-11-07

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yuma ICHINOSE ,  Shigeaki YAMAZAKI ,  Chihiro HOSODA ,  Kanako ARAI ,  Toshiharu SHIMOOKA

IPC: H01M4/525 ,  H01M4/36 ,  H01M4/485 ,  H01M4/505 ,  H01M4/60 ,  H01M4/62 ,  H01M10/052

CPC classification number: H01M4/525 ,  H01M4/364 ,  H01M4/485 ,  H01M4/505 ,  H01M4/604 ,  H01M4/623 ,  H01M10/052 ,  H01M2004/028

Abstract: A positive electrode mixture containing a polyvinylidene fluoride (A); a fluorine-containing copolymer (B) containing vinylidene fluoride unit and tetrafluoroethylene unit; a positive electrode active material (C) represented by the general formula (C): LiyNi1-xMxO2, wherein x is 0.01≤x≤0.7, y is 0.9≤y≤2.0, and M represents a metal atom (excluding Li and Ni); and an additive (D). Also disclosed is a positive electrode formed from the positive electrode mixture and a secondary battery including the positive electrode.

公开(公告)号：US20220282040A1

公开(公告)日：2022-09-08

申请号：US17743176

申请日：2022-05-12

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Toshiharu SHIMOOKA ,  Shigeaki Yamazaki ,  Takaya Yamada ,  Kae Fujiwara

IPC: C08G65/336 ,  H01M10/0525 ,  H01M4/36 ,  H01M4/62

Abstract: An electrode including a fluoropolyether group-containing compound, wherein the fluoropolyether group-containing compound is a fluoropolyether group-containing compound represented by the following formula (1) or (2): RF1α—XARSiβ  (1) RSiγ—XA—RF2—XA—RSiγ  (2) ; an electrochemical device including the electrode; a module including the electrochemical device; and a lithium ion secondary battery including the electrode.

公开(公告)号：US20240079595A1

公开(公告)日：2024-03-07

申请号：US18500387

申请日：2023-11-02

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yuma ICHINOSE ,  Shigeaki YAMAZAKI ,  Chihiro HOSODA ,  Kanako ARAI ,  Toshiharu SHIMOOKA

IPC: H01M4/62 ,  C07C49/14 ,  C07C211/10 ,  H01M4/505 ,  H01M4/525

CPC classification number: H01M4/623 ,  C07C49/14 ,  C07C211/10 ,  H01M4/505 ,  H01M4/525 ,  H01M2004/028

Abstract: A positive electrode mixture containing: a polyvinylidene fluoride (A); a positive electrode active material (C) represented by the general formula (C): LiyNi1-XMxO2, wherein x is 0.01≤x≤0.7, y is 0.9≤y≤2.0, and M represents a metal atom (excluding Li and Ni); and an additive (D), wherein the polyvinylidene fluoride (A) is a combination of: (A2) a polymer containing vinylidene fluoride unit and a fluorinated monomer unit; and at least one selected from the group consisting of (A3) a polymer containing vinylidene fluoride unit and a polar group-containing monomer unit, and (A4) a polymer containing vinylidene fluoride unit, a fluorinated monomer unit, and a polar group-containing monomer unit. Also disclosed is a positive electrode famed from the positive electrode mixture and a secondary battery including the positive electrode.

公开(公告)号：US20230145113A1

公开(公告)日：2023-05-11

申请号：US17991716

申请日：2022-11-21

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tomoya HIDAKA ,  Yoshiko KUWAJIMA ,  Shigeaki YAMAZAKI ,  Toshiharu SHIMOOKA ,  Akinori TANI

IPC: H01M10/0567 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M10/0525

Abstract: An electrolytic solution containing: a compound (1) represented by the following formula (1):




wherein R101 is a C2-C7 organic group and optionally includes at least one selected from the group consisting of a hetero atom and an unsaturated bond; and R102 is a C1-C3 organic group and optionally includes at least one selected from the group consisting of a hetero atom and an unsaturated bond.

公开(公告)号：US20210399340A1

公开(公告)日：2021-12-23

申请号：US16965358

申请日：2019-01-09

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshiko KUWAJIMA ,  Akiyoshi YAMAUCHI ,  Yuuki SUZUKI ,  Kotaro HAYASHI ,  Hisako NAKAMURA ,  Takaya YAMADA ,  Toshiharu SHIMOOKA ,  Yoshihiro YAMAMOTO ,  Shigeaki YAMAZAKI ,  Kenzou TAKAHASHI

IPC: H01M10/0567 ,  C07C69/653 ,  C07C233/09 ,  C07D295/185 ,  C07C233/13

Abstract: An electrolyte solution containing at least one compound represented by formula (1-1) and formula (1-2), formula (1-1) being: where R101 is an optionally fluorinated C1-C7 alkyl group, an optionally fluorinated C2-C8 alkenyl group, an optionally fluorinated C2-C9 alkynyl group, or an optionally fluorinated C6-C12 aryl group, and optionally contains at least one selected from O, Si, S, and N in a structure; and formula (1-2) being: where R102 and R103 are (i) each individually H, F, an optionally fluorinated C1-C7 alkyl group, an optionally fluorinated C2-C7 alkenyl group, an optionally fluorinated C2-C9 alkynyl group, or an optionally fluorinated C5-C12 aryl group, or (ii) hydrocarbon groups binding to each other to form a 5-membered or 6-membered hetero ring with a nitrogen atom; and R102 and R103 each optionally contain at least one selected from O, S, and N in a structure.

公开(公告)号：US20200243911A1

公开(公告)日：2020-07-30

申请号：US16636700

申请日：2018-07-31

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshiko KUWAJIMA ,  Kenzou TAKAHASHI ,  Shigeaki YAMAZAKI ,  Hiroyuki ARIMA ,  Tomoya HIDAKA ,  Masakazu KINOSHITA ,  Hisako NAKAMURA ,  Takaya YAMADA ,  Toshiharu SHIMOOKA ,  Yuuki SUZUKI ,  Tatsuya OHTSUKA

IPC: H01M10/0569 ,  H01M10/0525

Abstract: The invention provides an electrolyte solution capable of providing an electrochemical device having low resistance and excellent high-temperature storage characteristics and cycle characteristics. The electrolyte solution contains lithium fluorosulfonate and a solvent containing a compound (1) represented by the following formula (1):CF2HCOOCH3.