JP7768630B2 - 負極より面積が広い正極を含む全固体電池及びその製造方法 - Google Patents
負極より面積が広い正極を含む全固体電池及びその製造方法Info
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- H01M10/05—Accumulators with non-aqueous electrolyte
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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
- H01M10/0561—Accumulators 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
- H01M10/0562—Solid materials
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- H01—ELECTRIC ELEMENTS
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- H01M10/00—Secondary cells; Manufacture thereof
- 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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- H01M10/058—Construction or manufacture
- 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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- H01—ELECTRIC ELEMENTS
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
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- H01M4/24—Electrodes for alkaline accumulators
- H01M4/26—Processes of manufacture
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- H—ELECTRICITY
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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
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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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Dispersion Chemistry (AREA)
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Description
下記のような正極、固体電解質層及び負極を含む全固体電池を使用して実験を行った。
負極として、銀が30nm蒸着したニッケル集電体(10μm)を使用したことを除いては、実施例1と同一に製作及び評価した。
正極の容量が4mAh/cm2で、厚さが約100μmであるものを使用し、電池を製作するために正極を1.8cm×1.8cmの面積に、負極と固体電解質をそれぞれ2cm×2cmの面積に打ち抜いて組み立てたことを除いては、実施例1と同一に製作及び評価した。
電池を製作するために比較例1のように正極、固体電解質層、及び負極を準備し、CIPの進行時にSUSプレートを正極面に当てたことを除いては、比較例1と同一に製作及び評価した。
正極の容量が6mAh/cm2であることを除いては、比較例1と同一に製作及び評価した。
負極として、銀が30nm蒸着したニッケル集電体(10μm)を使用したことを除いては、比較例3と同一に製作及び評価した。
電池を製作するために正極と固体電解質層を2cm×2cmの面積に、負極を1cm×1cmの面積にそれぞれ打ち抜いて組み立てたことを除いては、比較例4と同一に製作及び評価した。
電池を製作するために正極と固体電解質層を2cm×2cmの面積に、負極を1.9cm×1.9cmの面積にそれぞれ打ち抜いて組み立てたことを除いては、比較例4と同一に製作及び評価した。
10、110、210 正極
11、111、211 正極活物質層
12、112、212 正極集電体
20、120、220 固体電解質層
30、130、230 負極
31、131 負極活物質層
32、132、232 負極集電体
40、240 リチウム層
a 正極の厚さ
b 負極の厚さ
P 加圧プレート
F 加圧力
C 損傷部
Claims (11)
- 正極、負極、及び前記正極と前記負極との間に配置された固体電解質層を含む電極組立体;及び
前記電極組立体を収納する電池ケース;を含み、
前記正極は前記負極より厚く、
前記負極の面積が前記正極の面積より狭く、
前記負極の面積は、前記正極の面積に比べて50%以上であり、
前記負極と前記正極の面積は、最小公差が横と縦でそれぞれ1mm超である、全固体電池であって、
前記全固体電池は、前記電極組立体の前記負極の面に加圧プレートを配置して、等方圧プレスによって加圧されるための全固体電池である、全固体電池。 - 前記正極は、前記負極より強い強度を有する、請求項1に記載の全固体電池。
- 前記固体電解質層の面積は、最も面積が広い電極の面積と同一又はそれよりさらに広い、請求項1または2に記載の全固体電池。
- 前記固体電解質層の厚さは、前記正極の厚さより薄い、請求項1から3のいずれか一項に記載の全固体電池。
- 前記正極の厚さは、前記負極の厚さより2倍乃至5倍厚い、請求項1から4のいずれか一項に記載の全固体電池。
- 前記電池ケースはパウチ型二次電池ケースである、請求項1から5のいずれか一項に記載の全固体電池。
- 前記全固体電池は、リチウムプレーティング/ストリッピング全固体電池である、請求項1から6のいずれか一項に記載の全固体電池。
- S1)正極、固体電解質層、及び負極を積層することによって電極組立体を形成する段階;及び
S2)前記正極及び前記負極のうち電極の面積が狭い方向から電極の面積が広い電極に向かって加圧する段階;
を含む全固体電池を製造する方法であって、
前記加圧は、前記電極組立体の前記負極の面に加圧プレートを配置し、等方圧プレスによって行われ、
前記全固体電池は、前記電極組立体を収納する電池ケースを含み、
前記正極は前記負極より厚く、
前記負極の面積は、前記正極の面積に比べて50%以上であり、
前記負極と前記正極の面積は、最小公差が横と縦でそれぞれ1mm超である、全固体電池を製造する方法。 - 前記固体電解質層内のポアは、前記段階S2)で除去されたり、前記段階S1)前に除去される、請求項8に記載の全固体電池を製造する方法。
- 前記S2)段階は、前記電極組立体を電池ケースに収納した後で行われる、請求項8または9に記載の全固体電池を製造する方法。
- 前記S2)段階は、前記電極組立体を前記電池ケースに収納し、真空シーリングした後で行われる、請求項10に記載の全固体電池を製造する方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020200145876A KR102821243B1 (ko) | 2020-11-04 | 2020-11-04 | 음극보다 면적이 넓은 양극을 포함하는 전고체전지 및 이의 제조방법 |
| KR10-2020-0145876 | 2020-11-04 | ||
| PCT/KR2021/015684 WO2022098049A1 (ko) | 2020-11-04 | 2021-11-02 | 음극보다 면적이 넓은 양극을 포함하는 전고체전지 및 이의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2023548177A JP2023548177A (ja) | 2023-11-15 |
| JP7768630B2 true JP7768630B2 (ja) | 2025-11-12 |
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| JP2023526650A Active JP7768630B2 (ja) | 2020-11-04 | 2021-11-02 | 負極より面積が広い正極を含む全固体電池及びその製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20230411667A1 (ja) |
| EP (1) | EP4243153A4 (ja) |
| JP (1) | JP7768630B2 (ja) |
| KR (1) | KR102821243B1 (ja) |
| CN (1) | CN116569379A (ja) |
| WO (1) | WO2022098049A1 (ja) |
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| CN117633934B (zh) * | 2023-11-24 | 2024-07-16 | 四川新能源汽车创新中心有限公司 | 一种耐高压全固态电池及其极片与极片形态设计方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014127463A (ja) | 2012-12-27 | 2014-07-07 | Toyota Motor Corp | 全固体電池の製造方法 |
| US20190157648A1 (en) | 2017-11-17 | 2019-05-23 | Hyundai Motor Company | All-solid battery and method of manufacturing the same |
| JP2019160516A (ja) | 2018-03-12 | 2019-09-19 | トヨタ自動車株式会社 | 全固体電池の製造方法および全固体電池 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5099407B2 (ja) * | 2006-11-30 | 2012-12-19 | 住友電気工業株式会社 | 電池 |
| US20120177998A1 (en) * | 2009-10-05 | 2012-07-12 | Sumitomo Electric Industries, Ltd. | Nonaqueous electrolyte battery |
| JP2015162353A (ja) * | 2014-02-27 | 2015-09-07 | トヨタ自動車株式会社 | 全固体電池の製造方法 |
| US9837684B2 (en) * | 2015-02-19 | 2017-12-05 | Samsung Electronics Co., Ltd. | All solid secondary battery and method of manufacturing the same |
| JP6399657B2 (ja) * | 2015-03-04 | 2018-10-03 | 国立研究開発法人物質・材料研究機構 | 酸化物焼結体、その製造方法、それを用いた固体電解質、および、それを用いたリチウムイオン電池 |
| KR101765695B1 (ko) * | 2015-08-20 | 2017-08-08 | 재단법인 포항산업과학연구원 | 전고체 이차 전지 및 그 제조방법 |
| KR102394782B1 (ko) | 2017-07-06 | 2022-05-04 | 현대자동차주식회사 | 전고체 전지의 제조 방법 및 이에 의해 제조된 전고체 전지 |
| KR102518686B1 (ko) * | 2017-10-31 | 2023-04-05 | 현대자동차주식회사 | 전고체 전지의 제조 방법 및 이에 의해 제조된 전고체 전지 |
| US20210273235A1 (en) * | 2018-07-23 | 2021-09-02 | Honda Motor Co., Ltd. | Positive electrode for solid-state battery, manufacturing method of positive electrode for solid-state battery, and solid-state battery |
| JP7182160B2 (ja) * | 2018-12-17 | 2022-12-02 | パナソニックIpマネジメント株式会社 | 全固体電池 |
| KR102265204B1 (ko) | 2019-06-19 | 2021-06-15 | 한국부동산원 | 건축물의 리모델링 사업성 통합평가지수를 통한 리모델링 사업성 통합 평가방법 및 평가시스템 |
| CN111009682B (zh) * | 2020-03-06 | 2020-07-07 | 清陶(昆山)能源发展有限公司 | 一种全固态电池及其制备方法 |
| US20220045366A1 (en) * | 2020-08-04 | 2022-02-10 | Solid Power, Inc. | Method for production of laminated solid electrolyte-based components and electrochemical cells using same |
-
2020
- 2020-11-04 KR KR1020200145876A patent/KR102821243B1/ko active Active
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2021
- 2021-11-02 JP JP2023526650A patent/JP7768630B2/ja active Active
- 2021-11-02 WO PCT/KR2021/015684 patent/WO2022098049A1/ko not_active Ceased
- 2021-11-02 EP EP21889514.2A patent/EP4243153A4/en active Pending
- 2021-11-02 CN CN202180073793.8A patent/CN116569379A/zh active Pending
- 2021-11-02 US US18/033,264 patent/US20230411667A1/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014127463A (ja) | 2012-12-27 | 2014-07-07 | Toyota Motor Corp | 全固体電池の製造方法 |
| US20190157648A1 (en) | 2017-11-17 | 2019-05-23 | Hyundai Motor Company | All-solid battery and method of manufacturing the same |
| JP2019160516A (ja) | 2018-03-12 | 2019-09-19 | トヨタ自動車株式会社 | 全固体電池の製造方法および全固体電池 |
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| Publication number | Publication date |
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| EP4243153A1 (en) | 2023-09-13 |
| CN116569379A (zh) | 2023-08-08 |
| KR102821243B1 (ko) | 2025-06-17 |
| EP4243153A4 (en) | 2024-12-25 |
| JP2023548177A (ja) | 2023-11-15 |
| WO2022098049A1 (ko) | 2022-05-12 |
| KR20220060186A (ko) | 2022-05-11 |
| US20230411667A1 (en) | 2023-12-21 |
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