JP2020009574A - 全固体電池 - Google Patents
全固体電池 Download PDFInfo
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- JP2020009574A JP2020009574A JP2018127907A JP2018127907A JP2020009574A JP 2020009574 A JP2020009574 A JP 2020009574A JP 2018127907 A JP2018127907 A JP 2018127907A JP 2018127907 A JP2018127907 A JP 2018127907A JP 2020009574 A JP2020009574 A JP 2020009574A
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- 239000007787 solid Substances 0.000 title claims abstract description 16
- 239000007773 negative electrode material Substances 0.000 claims abstract description 117
- 239000007774 positive electrode material Substances 0.000 claims abstract description 115
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 91
- 239000011888 foil Substances 0.000 claims description 53
- 230000000452 restraining effect Effects 0.000 claims description 9
- 230000008602 contraction Effects 0.000 claims description 8
- 239000010416 ion conductor Substances 0.000 claims description 3
- 229910001416 lithium ion Inorganic materials 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 17
- 239000004020 conductor Substances 0.000 description 8
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910018091 Li 2 S Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- SOXUFMZTHZXOGC-UHFFFAOYSA-N [Li].[Mn].[Co].[Ni] Chemical compound [Li].[Mn].[Co].[Ni] SOXUFMZTHZXOGC-UHFFFAOYSA-N 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000002134 carbon nanofiber Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000005001 laminate film Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
固体電解質層と負極活物質層は、重ねられた方向において正極活物質層に重なる部分と正極活物質層に重ならない部分とを有し、正極活物質層に重ならない部分において負極活物質層の充放電に伴う膨張収縮が制限されるように構成されている。
かかる全固体電池によれば、正極活物質層に重ならない部分において、負極活物質層の充放電に伴う膨張収縮が制限される。このため、固体電解質層および負極活物質層が割れにくい。
正極活物質層102におけるバインダーとしては、例えば、ポリフッ化ビニリデン(PVDF)に代表されるフッ素原子含有樹脂を使用することができる。
正極活物質層102に含まれる導電材としては、例えば、カーボンナノファイバー(例えば、昭和電工株式会社製のVGCF)、アセチレンブラックなどの公知の導電材を挙げることができる。導電材は、正極活物質層102において、正極活物質と正極集電箔101との導電パスを形成する。
101 正極集電箔
101a 正極集電箔に設けられたタブリード
102 正極活物質層
102a 正極活物質層の縁部
103 固体電解質層
103a 固体電解質層103の正極活物質層102に重なる部分
103b 固体電解質層103の正極活物質層102に重ならない部分
104 負極活物質層
104a 負極活物質層104の正極活物質層102に重なる部分
104b 負極活物質層104の正極活物質層102に重ならない部分
105 負極集電箔
105a 負極集電箔105に設けられたタブリード
106 外装材
106a 外装材106の縁
107 拘束部材
107a 突起
108 充填剤
120 電極ユニット
130 内部拘束部材
130a 突起
B1 境界部
Claims (1)
- 正極集電箔と、
前記正極集電箔に重ねられた、正極活物質を含む正極活物質層と、
前記正極活物質層に重ねられた、Liイオン伝導体を含む固体電解質層と、
前記固体電解質層に重ねられた、負極活物質を含む負極活物質層と、
前記負極活物質層に重ねられた負極集電箔と、
前記正極集電箔と前記正極活物質層と前記固体電解質層と前記負極活物質層と前記負極集電箔とが重ねられた方向に、前記正極集電箔と前記正極活物質層と前記固体電解質層と前記負極活物質層と前記負極集電箔とを拘束する拘束部材と
を有し、
前記固体電解質層と前記負極活物質層は、前記重ねられた方向において前記正極活物質層に重なる部分と前記正極活物質層に重ならない部分とを有し、前記正極活物質層に重ならない部分において前記負極活物質層の充放電に伴う膨張収縮が制限されるように構成された、
全固体電池。
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JP2018127907A JP7168361B2 (ja) | 2018-07-04 | 2018-07-04 | 全固体電池 |
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JP2018127907A JP7168361B2 (ja) | 2018-07-04 | 2018-07-04 | 全固体電池 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2020009574A true JP2020009574A (ja) | 2020-01-16 |
JP2020009574A5 JP2020009574A5 (ja) | 2021-07-29 |
JP7168361B2 JP7168361B2 (ja) | 2022-11-09 |
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JP2018127907A Active JP7168361B2 (ja) | 2018-07-04 | 2018-07-04 | 全固体電池 |
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JP (1) | JP7168361B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113437302A (zh) * | 2021-06-03 | 2021-09-24 | 浙江南都电源动力股份有限公司 | 一种复合极片和锂离子电池组 |
CN113437301A (zh) * | 2021-06-03 | 2021-09-24 | 浙江南都电源动力股份有限公司 | 一种复合极片及固态锂离子电池组及电池生产工艺 |
WO2024095771A1 (ja) * | 2022-11-02 | 2024-05-10 | 日立造船株式会社 | 全固体電池 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007180039A (ja) * | 2007-01-30 | 2007-07-12 | Sony Corp | 固体電解質電池の製造方法 |
JP2007273349A (ja) * | 2006-03-31 | 2007-10-18 | Toyota Motor Corp | 積層型電池およびその製造方法 |
JP2013243004A (ja) * | 2012-05-18 | 2013-12-05 | Toyota Motor Corp | 固体電池、及び固体電池の製造方法 |
JP2014120199A (ja) * | 2012-12-12 | 2014-06-30 | Samsung R&D Institute Japan Co Ltd | 固体電池 |
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 |
JP2019021428A (ja) * | 2017-07-12 | 2019-02-07 | 日立造船株式会社 | コイン形電池およびその製造方法 |
-
2018
- 2018-07-04 JP JP2018127907A patent/JP7168361B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007273349A (ja) * | 2006-03-31 | 2007-10-18 | Toyota Motor Corp | 積層型電池およびその製造方法 |
JP2007180039A (ja) * | 2007-01-30 | 2007-07-12 | Sony Corp | 固体電解質電池の製造方法 |
JP2013243004A (ja) * | 2012-05-18 | 2013-12-05 | Toyota Motor Corp | 固体電池、及び固体電池の製造方法 |
JP2014120199A (ja) * | 2012-12-12 | 2014-06-30 | Samsung R&D Institute Japan Co Ltd | 固体電池 |
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 |
JP2019021428A (ja) * | 2017-07-12 | 2019-02-07 | 日立造船株式会社 | コイン形電池およびその製造方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113437302A (zh) * | 2021-06-03 | 2021-09-24 | 浙江南都电源动力股份有限公司 | 一种复合极片和锂离子电池组 |
CN113437301A (zh) * | 2021-06-03 | 2021-09-24 | 浙江南都电源动力股份有限公司 | 一种复合极片及固态锂离子电池组及电池生产工艺 |
WO2024095771A1 (ja) * | 2022-11-02 | 2024-05-10 | 日立造船株式会社 | 全固体電池 |
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