JP7269512B2 - 固体二次電池用シートの製造方法及び固体二次電池用結着剤 - Google Patents

固体二次電池用シートの製造方法及び固体二次電池用結着剤 Download PDF

Info

Publication number
JP7269512B2
JP7269512B2 JP2021210543A JP2021210543A JP7269512B2 JP 7269512 B2 JP7269512 B2 JP 7269512B2 JP 2021210543 A JP2021210543 A JP 2021210543A JP 2021210543 A JP2021210543 A JP 2021210543A JP 7269512 B2 JP7269512 B2 JP 7269512B2
Authority
JP
Japan
Prior art keywords
secondary battery
sheet
binder
less
ptfe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2021210543A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022103142A (ja
Inventor
貴哉 山田
雅彦 山田
健太郎 平賀
献偉 随
純平 寺田
花英 藤原
星風 藤岡
勝貞 徳平
亮太 宇佐美
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Priority to JP2022103333A priority Critical patent/JP2022121547A/ja
Publication of JP2022103142A publication Critical patent/JP2022103142A/ja
Application granted granted Critical
Publication of JP7269512B2 publication Critical patent/JP7269512B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0561Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
    • H01M10/0562Solid materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • H01M10/0587Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/04Processes of manufacture in general
    • H01M4/043Processes of manufacture in general involving compressing or compaction
    • H01M4/0435Rolling or calendering
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139Processes of manufacture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621Binders
    • H01M4/622Binders being polymers
    • H01M4/623Binders being polymers fluorinated polymers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624Electric conductive fillers
    • H01M4/625Carbon or graphite
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/026Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028Positive electrodes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
JP2021210543A 2020-12-25 2021-12-24 固体二次電池用シートの製造方法及び固体二次電池用結着剤 Active JP7269512B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022103333A JP2022121547A (ja) 2020-12-25 2022-06-28 固体二次電池用シートの製造方法及び固体二次電池用結着剤

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020217248 2020-12-25
JP2020217248 2020-12-25

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022103333A Division JP2022121547A (ja) 2020-12-25 2022-06-28 固体二次電池用シートの製造方法及び固体二次電池用結着剤

Publications (2)

Publication Number Publication Date
JP2022103142A JP2022103142A (ja) 2022-07-07
JP7269512B2 true JP7269512B2 (ja) 2023-05-09

Family

ID=82158248

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021210543A Active JP7269512B2 (ja) 2020-12-25 2021-12-24 固体二次電池用シートの製造方法及び固体二次電池用結着剤
JP2022103333A Pending JP2022121547A (ja) 2020-12-25 2022-06-28 固体二次電池用シートの製造方法及び固体二次電池用結着剤

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2022103333A Pending JP2022121547A (ja) 2020-12-25 2022-06-28 固体二次電池用シートの製造方法及び固体二次電池用結着剤

Country Status (7)

Country Link
US (1) US20230395804A1 (enExample)
EP (1) EP4270535A1 (enExample)
JP (2) JP7269512B2 (enExample)
KR (2) KR20250007014A (enExample)
CN (1) CN116686117A (enExample)
TW (1) TWI821838B (enExample)
WO (1) WO2022138942A1 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115347149A (zh) * 2021-05-12 2022-11-15 中国科学院物理研究所 超分散纳米复合导电粘结剂及其制备方法和应用
WO2023054709A1 (ja) * 2021-09-30 2023-04-06 ダイキン工業株式会社 ポリテトラフルオロエチレン粉末、電極用バインダー、電極合剤、電極、及び、二次電池
US20250364561A1 (en) * 2022-05-19 2025-11-27 Nissan Motor Co., Ltd. All-Solid State Battery
WO2024154810A1 (ja) 2023-01-18 2024-07-25 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
WO2024154807A1 (ja) 2023-01-18 2024-07-25 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
JP7492186B1 (ja) 2023-01-18 2024-05-29 ダイキン工業株式会社 電気化学デバイス用合剤、電気化学デバイス用合剤シート、電極、及び、電気化学デバイス
KR20250129778A (ko) 2023-01-18 2025-08-29 다이킨 고교 가부시키가이샤 불소계 폴리머 조성물, 전기 화학 디바이스용 바인더, 전극 합제, 전극, 및 이차 전지
EP4481860A4 (en) 2023-01-18 2025-07-23 Daikin Ind Ltd MIXTURE FOR ELECTROCHEMICAL DEVICE, MIXTURE SHEET FOR ELECTROCHEMICAL DEVICE, ELECTRODE, AND ELECTROCHEMICAL DEVICE
WO2024154805A1 (ja) 2023-01-18 2024-07-25 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、固体二次電池用バインダー、電解質層用合剤、電極合剤、電極、及び、固体二次電池
WO2024154773A1 (ja) 2023-01-18 2024-07-25 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
KR20250129810A (ko) 2023-01-18 2025-08-29 다이킨 고교 가부시키가이샤 전기 화학 디바이스용 합제 자립막, 전극, 및 전기 화학 디바이스
JP2024102034A (ja) 2023-01-18 2024-07-30 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
JP7594228B2 (ja) 2023-01-18 2024-12-04 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
EP4560738A1 (en) 2023-06-30 2025-05-28 Daikin Industries, Ltd. Polytetrafluoroethylene composition, binder for electrochemical devices, electrode mixture, electrode, and secondary battery
JP7751225B2 (ja) 2023-06-30 2025-10-08 ダイキン工業株式会社 ポリテトラフルオロエチレン、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
WO2025022624A1 (ja) * 2023-07-26 2025-01-30 日産自動車株式会社 全固体電池用正極
WO2025154813A1 (ja) 2024-01-18 2025-07-24 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
CN119725367A (zh) * 2024-12-24 2025-03-28 惠州亿纬锂能股份有限公司 干法电极膜及其制备方法、电极和电池

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008140809A (ja) 2006-11-30 2008-06-19 Nippon Zeon Co Ltd 電気化学素子電極用複合粒子の製造方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06316784A (ja) 1993-04-30 1994-11-15 Tanaka Kikinzoku Kogyo Kk カーボンブラックとptfeの均一混合粉末の製造方法
JP3407507B2 (ja) * 1995-11-07 2003-05-19 松下電器産業株式会社 ポリマー電解質・リチウム電池
JPH113709A (ja) * 1997-06-10 1999-01-06 Hitachi Maxell Ltd リチウム二次電池の製造方法
JP5019926B2 (ja) * 2007-03-29 2012-09-05 アイシン化工株式会社 燃料電池用ガス拡散層及びその製造方法
CN101369650A (zh) * 2007-08-16 2009-02-18 德固赛(中国)投资有限公司 锂离子电池材料的制造方法
JP4778034B2 (ja) * 2008-01-30 2011-09-21 パナソニック株式会社 非水系二次電池の製造方法
JP2011150954A (ja) * 2010-01-25 2011-08-04 Panasonic Corp コイン形有機電解液二次電池
WO2012063622A1 (ja) 2010-11-10 2012-05-18 ダイキン工業株式会社 電気二重層キャパシタ用電解液
CN102544502B (zh) * 2010-12-09 2015-07-01 中国科学院宁波材料技术与工程研究所 用于锂二次电池的正极负极导电添加剂及其制备方法和相关锂二次电池的制备方法
EP2657291B1 (en) 2010-12-21 2017-02-01 Daikin Industries, Ltd. Polytetrafluoroethylene mixture
TW201834827A (zh) 2013-11-29 2018-10-01 日商大金工業股份有限公司 雙軸拉伸多孔質膜
EP4016666A1 (en) 2014-04-18 2022-06-22 Tesla, Inc. Dry energy storage device electrode and methods of making the same
JP2018067506A (ja) * 2016-10-21 2018-04-26 国立大学法人三重大学 リチウム二次電池の正極活物質、リチウム二次電池の正極、リチウム二次電池およびリチウム二次電池の正極活物質を生産する方法
DE102018222142A1 (de) * 2018-12-18 2020-06-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Herstellen einer Festelektrolytmembran oder einer Anode und Festelektrolytmembran oder Anode
JP2020132792A (ja) 2019-02-22 2020-08-31 大陽日酸株式会社 フッ素樹脂コーティング用組成物、コーティング膜、基材
JP7262419B2 (ja) 2020-04-28 2023-04-21 住友金属鉱山株式会社 非水系電解質二次電池用正極活物質、および非水系電解質二次電池

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008140809A (ja) 2006-11-30 2008-06-19 Nippon Zeon Co Ltd 電気化学素子電極用複合粒子の製造方法

Also Published As

Publication number Publication date
TW202231751A (zh) 2022-08-16
EP4270535A1 (en) 2023-11-01
TWI821838B (zh) 2023-11-11
US20230395804A1 (en) 2023-12-07
CN116686117A (zh) 2023-09-01
KR20230117457A (ko) 2023-08-08
WO2022138942A1 (ja) 2022-06-30
JP2022121547A (ja) 2022-08-19
JP2022103142A (ja) 2022-07-07
KR20250007014A (ko) 2025-01-13

Similar Documents

Publication Publication Date Title
JP7269512B2 (ja) 固体二次電池用シートの製造方法及び固体二次電池用結着剤
JP7269511B2 (ja) 非水系電解液を使用する二次電池用電極の製造方法及び非水系電解液を使用する二次電池電極用結着剤
JP7773082B2 (ja) 全固体二次電池用合剤シートの製造方法
JP7560764B2 (ja) 二次電池用電極合剤、二次電池用電極合剤シート及びその製造方法並びに二次電池
JP7350049B2 (ja) 単層カーボンナノチューブとptfeとを複合した結着剤並びにそれを用いた電極作製用組成物及び二次電池
US20240421344A1 (en) Mixture for secondary battery, mixture sheet for secondary battery, method for producing the same, and solid-state secondary battery
WO2023167296A1 (ja) 二次電池用合剤、二次電池用合剤シート、二次電池用合剤シートの製造方法及び二次電池
WO2023167299A1 (ja) 二次電池用合剤、二次電池用合剤シート及びその製造方法並びに二次電池
WO2023167300A1 (ja) 二次電池用合剤、二次電池用合剤シート及びその製造方法並びに二次電池
JP7486006B2 (ja) 固体二次電池用シートの製造方法、固体二次電池電極用結着剤、電極作製用組成物、電極合剤、及び、電極
JP7477784B2 (ja) 非水系電解液を使用する二次電池用電極の製造方法、非水系電解液を使用する二次電池電極用結着剤、二次電池電極用結着剤、電極作製用組成物、電極合剤及び電極
JP7364973B2 (ja) 二次電池用合剤、二次電池用合剤シート及びその製造方法並びに二次電池
TWI904229B (zh) 全固體二次電池用合劑、全固體二次電池用合劑片及其製造方法、以及全固體二次電池
US20240421316A1 (en) Mixture for secondary battery, mixture sheet for secondary battery, method for producing the same, and solid-state secondary battery

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20211224

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220301

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20220422

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220628

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20221025

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230111

C60 Trial request (containing other claim documents, opposition documents)

Free format text: JAPANESE INTERMEDIATE CODE: C60

Effective date: 20230111

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20230123

C21 Notice of transfer of a case for reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C21

Effective date: 20230124

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20230322

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230404

R151 Written notification of patent or utility model registration

Ref document number: 7269512

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151