JP6856042B2 - 全固体電池 - Google Patents
全固体電池 Download PDFInfo
- Publication number
- JP6856042B2 JP6856042B2 JP2018039594A JP2018039594A JP6856042B2 JP 6856042 B2 JP6856042 B2 JP 6856042B2 JP 2018039594 A JP2018039594 A JP 2018039594A JP 2018039594 A JP2018039594 A JP 2018039594A JP 6856042 B2 JP6856042 B2 JP 6856042B2
- Authority
- JP
- Japan
- Prior art keywords
- solid
- state battery
- layer
- negative electrode
- active material
- 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
Links
- 239000007787 solid Substances 0.000 title claims description 4
- 229920005989 resin Polymers 0.000 claims description 109
- 239000011347 resin Substances 0.000 claims description 109
- 239000007773 negative electrode material Substances 0.000 claims description 49
- 239000007784 solid electrolyte Substances 0.000 claims description 31
- 239000007774 positive electrode material Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 18
- 229910045601 alloy Inorganic materials 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 10
- 229910001416 lithium ion Inorganic materials 0.000 claims description 10
- 229910000676 Si alloy Inorganic materials 0.000 claims description 7
- 229920005992 thermoplastic resin Polymers 0.000 claims description 4
- 229920001187 thermosetting polymer Polymers 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 238000007599 discharging Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000012752 auxiliary agent Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 229910052718 tin Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910018130 Li 2 S-P 2 S 5 Inorganic materials 0.000 description 3
- 229910001128 Sn alloy Inorganic materials 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000002203 sulfidic glass Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910018133 Li 2 S-SiS 2 Inorganic materials 0.000 description 1
- 229910008088 Li-Mn Inorganic materials 0.000 description 1
- 229910008587 Li2O—B2O3—P2O3 Inorganic materials 0.000 description 1
- 229910009225 Li2S—P2S5—GeS2 Inorganic materials 0.000 description 1
- 229910010640 Li6BaLa2Ta2O12 Inorganic materials 0.000 description 1
- 229910012735 LiCo1/3Ni1/3Mn1/3O2 Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910010833 LiI-Li2S-SiS2 Inorganic materials 0.000 description 1
- 229910010842 LiI—Li2S—P2O5 Inorganic materials 0.000 description 1
- 229910010855 LiI—Li2S—SiS2 Inorganic materials 0.000 description 1
- 229910010847 LiI—Li3PO4-P2S5 Inorganic materials 0.000 description 1
- 229910010864 LiI—Li3PO4—P2S5 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910006327 Li—Mn Inorganic materials 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 229910014211 My O Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000002134 carbon nanofiber Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011245 gel electrolyte Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Inorganic materials [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- VROAXDSNYPAOBJ-UHFFFAOYSA-N lithium;oxido(oxo)nickel Chemical compound [Li+].[O-][Ni]=O VROAXDSNYPAOBJ-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910021384 soft carbon Inorganic materials 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M10/0561—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
〈態様1〉
正極集電体層、正極活物質層、固体電解質層、負極活物質層、及び負極集電体層を、この順で積層してなる単位全固体電池を1以上有する全固体電池積層体;並びに
前記全固体電池積層体の側面を被覆している樹脂層
を有し、
前記樹脂層が、前記全固体電池積層体の側面に近い側から、第1の樹脂層、及び第2の樹脂層をこの順で有する複層構造であり、かつ
前記第1の樹脂層の弾性率が、前記第2の樹脂層の弾性率よりも小さい、
全固体電池。
〈態様2〉
前記負極活物質層が、合金系負極活物質を含む、態様1に記載の全固体電池。
〈態様3〉
前記合金系負極活物質が、Si合金系負極活物質を含む、態様2に記載の全固体電池。
〈態様4〉
前記樹脂層の材料が、熱硬化性樹脂又は熱可塑性樹脂である、態様1〜3のいずれか一項に記載の全固体電池。
〈態様5〉
前記全固体電池積層体が、積層方向に拘束されている、態様1〜4のいずれか一項に記載の全固体電池。
〈態様6〉
前記拘束の拘束力が、1.0MPa以上である、態様5に記載の全固体電池。
〈態様7〉
前記全固体電池が、全固体リチウムイオン二次電池である、態様1〜6のいずれか一項に記載の全固体電池。
本開示の全固体電池は、
正極集電体層、正極活物質層、固体電解質層、負極活物質層、及び負極集電体層を、この順で積層してなる単位全固体電池を1以上有する全固体電池積層体;並びに
全固体電池積層体の側面を被覆している樹脂層
を有し、
樹脂層が、全固体電池積層体の側面に近い側から、第1の樹脂層、及び第2の樹脂層をこの順で有する複層構造であり、かつ
第1の樹脂層の弾性率が、第2の樹脂層の弾性率よりも小さい。
本開示において、樹脂層は、全固体電池積層体の側面に近い側から、第1の樹脂層、及び第2の樹脂層をこの順で有する複層構造である。ここで、第1の樹脂層の弾性率は、第2の樹脂層の弾性率よりも小さい。
本開示において、全固体電池積層体は、1以上の単位全固体電池を有することができる。例えば、図1では、本開示の全固体電池積層体10は、単位全固体電池6a、6b、6c及び6dを有する。また、本開示において、単位全固体電池は、正極集電体層、正極活物質層、固体電解質層、負極活物質層、及び負極集電体層を、この順で積層してなる。
正極集電体層に用いられる導電性材料は、特に限定されず、全固体電池に使用できる公知のものを適宜採用されうる。例えば、正極集電体層に用いられる導電性材料は、SUS、アルミニウム、銅、ニッケル、鉄、チタン、又はカーボン等であってよいが、これらに限定されない。
正極活物質層は、少なくとも正極活物質を含み、好ましくは後述する固体電解質をさらに含む。そのほか、使用用途や使用目的等に合わせて、例えば、導電助剤又はバインダー等の全固体電池の正極活物質層に用いられる添加剤を含むことができる。
固体電解質層は、少なくとも固体電解質を含む。固体電解質として、特に限定されず、全固体電池の固体電解質として利用可能な材料を用いることができる。例えば、固体電解質は、硫化物固体電解質、酸化物固体電解質、又はポリマー電解質等であってよいが、これらに限定されない。
負極活物質層は、少なくとも負極活物質を含み、好ましくは上述した固体電解質をさらに含む。そのほか、使用用途や使用目的等に合わせて、例えば、導電助剤又はバインダー等の全固体電池の負極活物質層に用いられる添加剤を含むことができる。
負極集電体層に用いられる導電性材料は、特に限定されず、全固体電池に使用できる公知のものを適宜採用されうる。例えば、負極集電体層に用いられる導電性材料は、SUS、アルミニウム、銅、ニッケル、鉄、チタン、又はカーボン等であってよいが、これらに限定されない。
本開示において、全固体電池の種類としては、全固体リチウムイオン電池、全固体ナトリウムイオン電池、全固体マグネシウムイオン電池及び全固体カルシウムイオン電池等を挙げることができる。中でも、全固体リチウムイオン電池及び全固体ナトリウムイオン電池が好ましく、特に、全固体リチウムイオン電池が好ましい。
2a、2b、2c、2d 正極活物質層
3a、3b、3c、3d 固体電解質層
4、4a、4b、4c、4d 負極活物質層
5a、5b、5c、5d 負極集電体層
6a、6b、6c、6d 単位全固体電池
10、20 全固体電池積層体
11 樹脂層
11a 第1の樹脂層
11b 第2の樹脂層
100、200 全固体電池
Claims (7)
- 正極集電体層、正極活物質層、固体電解質層、負極活物質層、及び負極集電体層を、この順で積層してなる単位全固体電池を1以上有する全固体電池積層体;並びに
前記全固体電池積層体の側面を被覆している樹脂層
を有し、
前記樹脂層が、前記全固体電池積層体の側面に近い側から、第1の樹脂層、及び第2の樹脂層をこの順で有する複層構造であり、かつ
前記第1の樹脂層の弾性率が、前記第2の樹脂層の弾性率よりも小さい、
全固体電池。 - 前記負極活物質層が、合金系負極活物質を含む、請求項1に記載の全固体電池。
- 前記合金系負極活物質が、Si合金系負極活物質を含む、請求項2に記載の全固体電池。
- 前記樹脂層の材料が、熱硬化性樹脂又は熱可塑性樹脂である、請求項1〜3のいずれか一項に記載の全固体電池。
- 前記全固体電池積層体が、積層方向に拘束されている、請求項1〜4のいずれか一項に記載の全固体電池。
- 前記拘束の拘束力が、1.0MPa以上である、請求項5に記載の全固体電池。
- 前記全固体電池が、全固体リチウムイオン二次電池である、請求項1〜6のいずれか一項に記載の全固体電池。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018039594A JP6856042B2 (ja) | 2018-03-06 | 2018-03-06 | 全固体電池 |
CN201910127709.0A CN110233281B (zh) | 2018-03-06 | 2019-02-21 | 全固体电池 |
US16/292,730 US11217819B2 (en) | 2018-03-06 | 2019-03-05 | All-solid-state battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018039594A JP6856042B2 (ja) | 2018-03-06 | 2018-03-06 | 全固体電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019153535A JP2019153535A (ja) | 2019-09-12 |
JP6856042B2 true JP6856042B2 (ja) | 2021-04-07 |
Family
ID=67842125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018039594A Active JP6856042B2 (ja) | 2018-03-06 | 2018-03-06 | 全固体電池 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11217819B2 (ja) |
JP (1) | JP6856042B2 (ja) |
CN (1) | CN110233281B (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102529492B1 (ko) * | 2017-11-17 | 2023-05-04 | 현대자동차주식회사 | 전고체 전지의 제조 방법 및 이에 의해 제조된 전고체 전지 |
KR20210056779A (ko) * | 2019-11-11 | 2021-05-20 | 삼성에스디아이 주식회사 | 전고체 이차전지 |
KR20210057270A (ko) * | 2019-11-11 | 2021-05-21 | 삼성에스디아이 주식회사 | 전고체 이차전지 |
FR3103969B1 (fr) * | 2019-11-29 | 2024-02-16 | Accumulateurs Fixes | Element electrochimique, les modules et batteries les contenant |
JP7272304B2 (ja) | 2020-03-18 | 2023-05-12 | トヨタ自動車株式会社 | 全固体電池、および全固体電池の製造方法 |
JP7488984B2 (ja) | 2020-11-11 | 2024-05-23 | 株式会社豊田自動織機 | 蓄電モジュール |
CN114566640A (zh) * | 2020-11-27 | 2022-05-31 | 丰田自动车株式会社 | 全固体电池 |
JP2022110492A (ja) * | 2021-01-18 | 2022-07-29 | 本田技研工業株式会社 | 固体電池及び固体電池ユニット |
KR20220151475A (ko) * | 2021-05-06 | 2022-11-15 | 삼성에스디아이 주식회사 | 전극 구조체 및 이를 포함하는 전고체 이차전지 |
CN114552027B (zh) * | 2021-09-14 | 2023-09-05 | 万向一二三股份公司 | 一种双极全固体电池 |
EP4415106A1 (en) * | 2021-10-05 | 2024-08-14 | Nissan Motor Co., Ltd. | All-solid-state battery and method for manufacturing all-solid-state battery |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000106154A (ja) * | 1998-09-28 | 2000-04-11 | Matsushita Electric Ind Co Ltd | 全固体電池およびその製造法 |
JP2004193006A (ja) | 2002-12-12 | 2004-07-08 | Nissan Motor Co Ltd | 積層電池の製造方法、組電池および車両 |
US20080057390A1 (en) * | 2006-08-31 | 2008-03-06 | Seiko Epson Corporation | Secondary battery |
JP5141316B2 (ja) * | 2008-03-14 | 2013-02-13 | トヨタ自動車株式会社 | 固体型電池 |
JP5610057B2 (ja) * | 2011-02-24 | 2014-10-22 | トヨタ自動車株式会社 | 固体電池 |
JP6152260B2 (ja) * | 2012-11-01 | 2017-06-21 | 昭和電工パッケージング株式会社 | 電池用外装材及び電池 |
JP5954345B2 (ja) * | 2014-02-20 | 2016-07-20 | トヨタ自動車株式会社 | リチウム固体電池モジュールの製造方法 |
JP6277034B2 (ja) * | 2014-03-26 | 2018-02-07 | 株式会社日本マイクロニクス | 積層型二次電池 |
JP2015220099A (ja) * | 2014-05-19 | 2015-12-07 | Tdk株式会社 | 全固体リチウムイオン二次電池 |
WO2016152565A1 (ja) * | 2015-03-25 | 2016-09-29 | 日本碍子株式会社 | 全固体リチウム電池 |
JP6430875B2 (ja) * | 2015-03-27 | 2018-11-28 | 日産自動車株式会社 | リチウム電池用正極 |
JP6445601B2 (ja) * | 2016-06-01 | 2018-12-26 | トヨタ自動車株式会社 | 全固体電池の製造方法、全固体電池の製造装置及び全固体電池 |
DE102017111509B4 (de) * | 2016-06-01 | 2023-07-06 | Toyota Jidosha Kabushiki Kaisha | Herstellungsverfahren für eine Vollfestkörperbatterie, Herstellungsvorrichtung für eine Vollfestkörperbatterie, und Vollfestkörperbatterie |
TWI721188B (zh) * | 2016-07-06 | 2021-03-11 | 日商藤森工業股份有限公司 | 電池外裝體、電池組及電池裝置 |
-
2018
- 2018-03-06 JP JP2018039594A patent/JP6856042B2/ja active Active
-
2019
- 2019-02-21 CN CN201910127709.0A patent/CN110233281B/zh active Active
- 2019-03-05 US US16/292,730 patent/US11217819B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US11217819B2 (en) | 2022-01-04 |
CN110233281A (zh) | 2019-09-13 |
US20190280329A1 (en) | 2019-09-12 |
CN110233281B (zh) | 2022-06-14 |
JP2019153535A (ja) | 2019-09-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6856042B2 (ja) | 全固体電池 | |
JP7070052B2 (ja) | 全固体電池 | |
JP6863299B2 (ja) | 全固体電池 | |
JP6962287B2 (ja) | 全固体電池及びその製造方法 | |
JP6885309B2 (ja) | 直列積層型全固体電池 | |
KR102303678B1 (ko) | 전고체 전지 적층체 | |
JP6879230B2 (ja) | 全固体電池 | |
JP2016018704A (ja) | 全固体電池 | |
JP2007012598A (ja) | 非水電解質二次電池および電池モジュール | |
JP2020136261A (ja) | 全固体電池積層体 | |
KR20200105749A (ko) | 전고체전지 및 그 제조 방법 | |
JP6977554B2 (ja) | 全固体電池 | |
JP2015018670A (ja) | バイポーラ電池 | |
JP2004055425A (ja) | 積層型二次電池および電池要素体 | |
JP2019145285A (ja) | 全固体電池 | |
JP6962240B2 (ja) | 全固体電池 | |
JP2019145286A (ja) | 全固体電池 | |
JP2022110492A (ja) | 固体電池及び固体電池ユニット | |
JP7091933B2 (ja) | 積層型電池の製造方法 | |
JP7017484B2 (ja) | 全固体電池の製造方法 | |
WO2019155940A1 (ja) | 全固体二次電池およびその製造方法 | |
JP2017004914A (ja) | 全固体電池 | |
JP2020126787A (ja) | 積層電池 | |
JP7484850B2 (ja) | 全固体電池 | |
JP7196720B2 (ja) | 積層電池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200421 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210128 |
|
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: 20210216 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210301 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 6856042 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |