JP7411331B2 - 全固体電池および全固体電池の製造方法 - Google Patents
全固体電池および全固体電池の製造方法 Download PDFInfo
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- H—ELECTRICITY
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- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
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- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
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- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
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- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
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- H—ELECTRICITY
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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- H—ELECTRICITY
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
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- H—ELECTRICITY
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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- Condensed Matter Physics & Semiconductors (AREA)
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- Connection Of Batteries Or Terminals (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Description
20 電極積層体
23 正極層
24 負極層
29 固体電解質層
30 正極集電体
34 極層密着体
40 負極集電体
44 極層密着体
54 補強シーラント
62 絶縁材
Claims (6)
- 正極層と、負極層と、前記正極層と前記負極層との間に配置された固体電解質層と、を含む電極積層体が厚さ方向に複数積層された全固体電池の製造方法において、
前記電極積層体のそれぞれは、積層される前に予め1つ1つ個別に製造されたものであり、正極集電体と、負極集電体と、を備え、前記正極集電体が、前記電極積層体のそれぞれの前記正極層同士を電気的に接続するように、折込まれて配置されており、前記負極集電体が、前記電極積層体のそれぞれの前記負極層同士を電気的に接続するように、折込まれて配置されており、前記電極積層体のそれぞれの側方に配置された絶縁材をさらに備え、前記電極積層体のそれぞれは、前記絶縁材で囲まれている全固体電池を製造するにあたり、
縁部に絶縁材が接着された正極集電体/負極集電体に、第1の電極積層体を正極層/負極層が接するように、かつ前記絶縁材によって囲われるように配置する第1工程と、
前記第1の電極積層体の負極層/正極層に接するように、縁部に絶縁材が接着された負極集電体/正極集電体を配置する第2工程と、
第2工程における負極集電体/正極集電体に第2の電極積層体の負極層/正極層が接するように、かつ前記絶縁材によって囲われるように配置する第3工程と、
前記第2の電極積層体の正極層/負極層に接するように、前記正極集電体/負極集電体を折込む第4工程と、
第4工程における正極集電体/負極集電体に第3の電極積層体の正極層/負極層が接するように、かつ前記絶縁材によって囲われるように配置する第5工程と、
第5工程における前記第3の電極積層体の負極層/正極層に接するように、前記負極集電体/正極集電体を折込む第6工程と、
を含み、
前記第1の電極積層体、前記第2の電極積層体、前記第3の電極積層体のそれぞれは、予め1つ1つ個別に製造されたものであること
を特徴とする全固体電池の製造方法。 - 第4工程における折込方向と、第6工程における折込方向が互いに交差する
ことを特徴とする請求項1に記載の全固体電池の製造方法。 - 正極集電体の周縁の一部は、外部との電気的接続を行うための正極導出部として突出しており、
負極集電体の周縁の一部は、外部との電気的接続を行うための負極導出部として突出しており、
前記正極集電体および前記負極集電体のそれぞれの周縁の一部が突出したものである前記正極導出部および前記負極導出部が、電気を外部へ取り出すためのリードとして機能する
ことを特徴とする請求項1または請求項2に記載の全固体電池の製造方法。 - 正極導出部および負極導出部は、それぞれ少なくとも片面にシーラントが貼り付けられていることを特徴とする請求項3に記載の全固体電池の製造方法。
- 前記電極積層体の1つ1つが製造される際に、極層密着体と前記電極積層体とが予めまとめて成型または焼結されることで、各電極積層体の正極層および負極層の少なくとも一方の表面には、それぞれ前記極層密着体が密着して配置されていること
を特徴とする請求項1ないし請求項4のいずれか1項に記載の全固体電池の製造方法。 - 電極積層体のそれぞれが、正極層と、負極層と、前記正極層と前記負極層との間に配置された固体電解質層と、を含む電極成型体が直列接続にて複数積層されたものであること
を特徴とする請求項1ないし請求項5のいずれか1項に記載の全固体電池の製造方法。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019003020A JP7411331B2 (ja) | 2019-01-11 | 2019-01-11 | 全固体電池および全固体電池の製造方法 |
| PCT/JP2019/051068 WO2020145177A1 (ja) | 2019-01-11 | 2019-12-26 | 全固体電池および全固体電池の製造方法 |
| KR1020217025351A KR102927755B1 (ko) | 2019-01-11 | 2019-12-26 | 전고체전지 및 전고체전지의 제조방법 |
| US17/422,077 US11848421B2 (en) | 2019-01-11 | 2019-12-26 | All-solid-state battery and method for manufacturing all-solid-state battery |
| EP19909336.0A EP3910701A4 (en) | 2019-01-11 | 2019-12-26 | SOLID STATE BATTERY AND METHOD OF MAKING A SOLID STATE BATTERY |
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| JP2019003020A JP7411331B2 (ja) | 2019-01-11 | 2019-01-11 | 全固体電池および全固体電池の製造方法 |
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| JP2020113434A JP2020113434A (ja) | 2020-07-27 |
| JP7411331B2 true JP7411331B2 (ja) | 2024-01-11 |
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| Country | Link |
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| US (1) | US11848421B2 (ja) |
| EP (1) | EP3910701A4 (ja) |
| JP (1) | JP7411331B2 (ja) |
| KR (1) | KR102927755B1 (ja) |
| WO (1) | WO2020145177A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7463930B2 (ja) * | 2020-09-30 | 2024-04-09 | トヨタ自動車株式会社 | 電池 |
| CN115117367B (zh) * | 2021-03-18 | 2025-10-28 | 辉能科技股份有限公司 | 电极组件及其电池装置 |
| US20220302463A1 (en) * | 2021-03-18 | 2022-09-22 | Prologium Technology Co., Ltd. | Electrode assembly and its battery device thereof |
| JP7484809B2 (ja) * | 2021-05-13 | 2024-05-16 | トヨタ自動車株式会社 | 全固体電池 |
| GB2611335B (en) * | 2021-09-30 | 2025-02-19 | Dyson Technology Ltd | Battery stack |
| DE102022102761A1 (de) | 2022-02-07 | 2023-08-10 | Volkswagen Aktiengesellschaft | Feststoffzellenbatterie sowie Verfahren zur Herstellung einer solchen Feststoffbatterie |
| EP4398371A4 (en) * | 2022-05-16 | 2025-09-24 | Lg Energy Solution Ltd | ALL-SOLID-STATE BATTERY AND ASSOCIATED MANUFACTURING METHOD |
| JP7632435B2 (ja) * | 2022-11-10 | 2025-02-19 | トヨタ自動車株式会社 | 固体電池 |
| JP2025149330A (ja) * | 2024-03-26 | 2025-10-08 | カナデビア株式会社 | 全固体電池およびその製造方法 |
| KR20250178381A (ko) * | 2024-06-19 | 2025-12-29 | 주식회사 엘지에너지솔루션 | 전극 조립체 및 이를 포함하는 전기화학 소자 |
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- 2019-01-11 JP JP2019003020A patent/JP7411331B2/ja active Active
- 2019-12-26 KR KR1020217025351A patent/KR102927755B1/ko active Active
- 2019-12-26 EP EP19909336.0A patent/EP3910701A4/en active Pending
- 2019-12-26 WO PCT/JP2019/051068 patent/WO2020145177A1/ja not_active Ceased
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| EP3910701A4 (en) | 2022-10-12 |
| JP2020113434A (ja) | 2020-07-27 |
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| EP3910701A1 (en) | 2021-11-17 |
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| KR20210110714A (ko) | 2021-09-08 |
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