JP5644858B2 - 積層型固体電池 - Google Patents
積層型固体電池 Download PDFInfo
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- JP5644858B2 JP5644858B2 JP2012528658A JP2012528658A JP5644858B2 JP 5644858 B2 JP5644858 B2 JP 5644858B2 JP 2012528658 A JP2012528658 A JP 2012528658A JP 2012528658 A JP2012528658 A JP 2012528658A JP 5644858 B2 JP5644858 B2 JP 5644858B2
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- 239000007787 solid Substances 0.000 title claims description 123
- 239000007784 solid electrolyte Substances 0.000 claims description 53
- 239000004020 conductor Substances 0.000 claims description 45
- 238000010248 power generation Methods 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 40
- 229910052744 lithium Inorganic materials 0.000 claims description 36
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 33
- -1 phosphate compound Chemical class 0.000 claims description 29
- 229910019142 PO4 Inorganic materials 0.000 claims description 22
- 239000010452 phosphate Substances 0.000 claims description 22
- 239000002228 NASICON Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000011149 active material Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000003575 carbonaceous material Substances 0.000 claims description 3
- 229910052732 germanium Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 description 14
- 150000002500 ions Chemical class 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 239000000843 powder Substances 0.000 description 11
- 239000002002 slurry Substances 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000004372 Polyvinyl alcohol Substances 0.000 description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 239000012298 atmosphere Substances 0.000 description 4
- 239000006258 conductive agent Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- 239000011812 mixed powder Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 239000007773 negative electrode material Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 2
- 229910007857 Li-Al Inorganic materials 0.000 description 2
- 229910009511 Li1.5Al0.5Ge1.5(PO4)3 Inorganic materials 0.000 description 2
- 229910012425 Li3Fe2 (PO4)3 Inorganic materials 0.000 description 2
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910008447 Li—Al Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 239000001989 lithium alloy Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910001386 lithium phosphate Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000002200 LIPON - lithium phosphorus oxynitride Substances 0.000 description 1
- 229910019271 La0.55Li0.35TiO3 Inorganic materials 0.000 description 1
- 229910018119 Li 3 PO 4 Inorganic materials 0.000 description 1
- 229910008373 Li-Si-O 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
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910002099 LiNi0.5Mn1.5O4 Inorganic materials 0.000 description 1
- 229910012258 LiPO Inorganic materials 0.000 description 1
- 229910006737 Li—P—Si—O Inorganic materials 0.000 description 1
- 229910006757 Li—Si—O Inorganic materials 0.000 description 1
- 229910007061 Li—V—Si—O Inorganic materials 0.000 description 1
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000002001 electrolyte material Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- YFKPABFAJKUPTN-UHFFFAOYSA-N germanium lithium Chemical compound [Li].[Ge] YFKPABFAJKUPTN-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- IDBFBDSKYCUNPW-UHFFFAOYSA-N lithium nitride Chemical compound [Li]N([Li])[Li] IDBFBDSKYCUNPW-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000012002 vanadium phosphate Substances 0.000 description 1
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Classifications
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of 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
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
- H01M10/044—Small-sized flat cells or batteries for portable equipment with bipolar electrodes
-
- 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
-
- 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
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
- H01M50/512—Connection only in parallel
-
- 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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- 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)
- Secondary Cells (AREA)
Description
Claims (7)
- 各々が順に積み重ねられた正極層、固体電解質層および負極層から構成される少なくとも第1と第2の単電池と、
前記第1の単電池の正極層に接触する一方側面と、前記第2の単電池の負極層に接触する他方側面とを有し、前記第1と第2の単電池の間に介在するように配置された内部集電層と、を備え、
前記内部集電層は、電子伝導材料を含み、さらに、イオン伝導的に絶縁性の特定伝導材料を含み、
前記特定伝導材料は、ナシコン型構造を有するリチウム含有リン酸化合物を含む、積層型固体電池。 - 前記電子伝導材料は、導電性酸化物、金属および炭素材料からなる群より選ばれた少なくとも一種を含む、請求項1に記載の積層型固体電池。
- 前記特定伝導材料に含まれるナシコン型構造を有するリチウム含有リン酸化合物が、化学式Li1+xMxM’2−x(PO4)3(化学式中、xは0≦x≦1、MはAlまたはGa、M’はTi、GeおよびZrからなる群より選ばれた1種以上の元素である)で表わされる、請求項1又は2に記載の積層型固体電池。
- 前記正極層および前記負極層より選ばれた少なくとも一つの層に含まれる活物質材料と、前記正極層および前記負極層より選ばれた少なくとも一つの層に含まれる固体電解質材料と、前記固体電解質層に含まれる固体電解質材料と、前記内部集電層に含まれる前記特定伝導材料とが、リチウム含有リン酸化合物を含む、請求項1に記載の積層型固体電池。
- 各々が順に積み重ねられた正極層、固体電解質層および負極層から構成されるn個の単電池の間に前記内部集電層をn−1個配置して、前記n個の前記単電池を積み重ねることにより形成された積層型固体電池であって、
1段目およびn段目に位置する前記単電池の前記内部集電層に隣接しない面に電子伝導性を有する外部電極を配置する、請求項1〜4のいずれか1項に記載の積層型固体電池。 - 各々が順に積み重ねられた正極層、固体電解質層および負極層から構成されるn個の単電池の間に前記内部集電層をn−1個配置して、前記n個の前記単電池を積み重ねることにより発電要素をm個形成し、該m個の発電要素の間にm−1個の外部電極を配置して積み重ねることにより形成された積層型固体二次電池であって、
1つの前記外部電極に隣接する2つの前記発電要素を、前記外部電極の両面に前記単電池の前記正極層側または前記負極層側が隣接するように積み重ねるとともに電気的に接続し、
1段目およびm段目に位置する前記発電要素の前記外部電極に隣接しない面にも外部電極を配置し、
さらに同じ極となる前記外部電極間を外部集電部材で電気的に接続することにより、少なくとも2つの前記発電要素を電気的に並列に接続した構造を含む、請求項1〜4のいずれか1項に記載の積層型固体電池。 - 前記外部電極を形成する導電材料は、導電性酸化物および金属より選ばれた少なくとも一種を含む、請求項5又は6に記載の積層型固体電池。
Priority Applications (1)
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JP2012528658A JP5644858B2 (ja) | 2010-08-09 | 2011-08-05 | 積層型固体電池 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2010178501 | 2010-08-09 | ||
JP2010178501 | 2010-08-09 | ||
PCT/JP2011/067926 WO2012020700A1 (ja) | 2010-08-09 | 2011-08-05 | 積層型固体電池 |
JP2012528658A JP5644858B2 (ja) | 2010-08-09 | 2011-08-05 | 積層型固体電池 |
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JPWO2012020700A1 JPWO2012020700A1 (ja) | 2013-10-28 |
JP5644858B2 true JP5644858B2 (ja) | 2014-12-24 |
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Country Status (4)
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US (1) | US9118068B2 (ja) |
JP (1) | JP5644858B2 (ja) |
CN (1) | CN103053061B (ja) |
WO (1) | WO2012020700A1 (ja) |
Cited By (1)
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US10707523B2 (en) | 2016-09-20 | 2020-07-07 | Kabushiki Kaisha Toshiba | Solid electrolyte, lithium battery, battery pack, and vehicle |
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JP6048396B2 (ja) * | 2013-12-26 | 2016-12-21 | トヨタ自動車株式会社 | 全固体電池の製造方法 |
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WO2018087970A1 (ja) | 2016-11-08 | 2018-05-17 | 株式会社村田製作所 | 固体電池、固体電池の製造方法、電池パック、車両、蓄電システム、電動工具及び電子機器 |
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JPWO2012020700A1 (ja) | 2013-10-28 |
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