JP4594269B2 - リチウム二次電池{Lithiumsecondarybattery} - Google Patents
リチウム二次電池{Lithiumsecondarybattery} Download PDFInfo
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- JP4594269B2 JP4594269B2 JP2006110185A JP2006110185A JP4594269B2 JP 4594269 B2 JP4594269 B2 JP 4594269B2 JP 2006110185 A JP2006110185 A JP 2006110185A JP 2006110185 A JP2006110185 A JP 2006110185A JP 4594269 B2 JP4594269 B2 JP 4594269B2
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- separator
- secondary battery
- lithium secondary
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- 229910052744 lithium Inorganic materials 0.000 title claims description 38
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims description 37
- 239000011230 binding agent Substances 0.000 claims description 44
- 239000007784 solid electrolyte Substances 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 32
- 239000002245 particle Substances 0.000 claims description 32
- 150000002500 ions Chemical class 0.000 claims description 30
- 239000000945 filler Substances 0.000 claims description 26
- 239000011163 secondary particle Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 19
- 229910010293 ceramic material Inorganic materials 0.000 claims description 18
- 229910001416 lithium ion Inorganic materials 0.000 claims description 14
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 13
- 239000011164 primary particle Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 7
- 239000011812 mixed powder Substances 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 229920000800 acrylic rubber Polymers 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910019271 La0.55Li0.35TiO3 Inorganic materials 0.000 claims description 3
- 229910012638 LiTi2(PO4)3—AlPO4 Inorganic materials 0.000 claims description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 3
- 229910004584 P2O5—Al2O3—Li2O Inorganic materials 0.000 claims description 3
- 229910004582 P2O5—SiO2—Li2O Inorganic materials 0.000 claims description 3
- 230000006798 recombination Effects 0.000 claims description 3
- 238000005215 recombination Methods 0.000 claims description 3
- 229910009290 Li2S-GeS2-P2S5 Inorganic materials 0.000 claims description 2
- 229910009110 Li2S—GeS2—P2S5 Inorganic materials 0.000 claims description 2
- 229910010851 LiI—Li2S—SiS4 Inorganic materials 0.000 claims description 2
- 229910004592 P2O5—TiO2—Li2O Inorganic materials 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 238000007639 printing Methods 0.000 claims description 2
- 229910013657 LiCl—Li2O—P2O5 Inorganic materials 0.000 claims 1
- 229910010835 LiI-Li2S-P2S5 Inorganic materials 0.000 claims 1
- 229910010840 LiI—Li2S—P2S5 Inorganic materials 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 239000011149 active material Substances 0.000 description 16
- 239000003792 electrolyte Substances 0.000 description 14
- 239000000126 substance Substances 0.000 description 13
- 239000002002 slurry Substances 0.000 description 12
- 239000011244 liquid electrolyte Substances 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 239000008151 electrolyte solution Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229920005672 polyolefin resin Polymers 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 235000015110 jellies Nutrition 0.000 description 3
- 239000008274 jelly Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000011255 nonaqueous electrolyte Substances 0.000 description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 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
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000012982 microporous membrane Substances 0.000 description 2
- -1 nickel metal hydride Chemical class 0.000 description 2
- 239000012811 non-conductive material Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000002952 polymeric resin Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910005839 GeS 2 Inorganic materials 0.000 description 1
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- 241000047703 Nonion Species 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000003854 Surface Print Methods 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001595 contractor effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910002096 lithium permanganate Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000007581 slurry coating method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/446—Composite material consisting of a mixture of organic and inorganic 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
- H01M10/0561—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
- H01M10/052—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
- H01M10/052—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
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/42—Acrylic resins
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/431—Inorganic material
- H01M50/434—Ceramics
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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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
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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
- H01M2300/0085—Immobilising or gelification of electrolyte
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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
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Inorganic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Ceramic Engineering (AREA)
- Secondary Cells (AREA)
- Cell Separators (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
前記セパレータは、リチウムイオンに対するイオン伝導性を持つ固体電解質を含むフィラー(Filler)とバインダー(binder)と、を備えてなることを特徴とする。
20:電極組立体
30:ガスケット
80:キャップ組立体
111:集電体
113:活物質層
131:固体電解質
133:セラミック物質
135:バインダー
130:セパレータ膜
Claims (11)
- 2本の電極と、該2本の電極で挟まれるセパレータとを含んでなる電極組立体と、該電極組立体が組み込まれるケースと、を備えてなるリチウム二次電池において、
前記セパレータは、リチウムイオンに対するイオン伝導性を持つ無機系のセラミック材質からなる固体電解質とリチウムイオンに対するイオン伝導性を持たない非電解質セラミック物質との混合粉末を含むフィラー、並びにバインダーを備えてなるセパレータ膜を有し、
前記混合粉末の一次粒子のうち少なくとも一部は、粒子の表面が部分的に溶融されるように焼結された後、粉砕され、前記一次粒子の少なくとも3つが固められた二次粒子の形態を有する、
ことを特徴とするリチウム二次電池。 - 2本の電極と、該2本の電極で挟まれるセパレータとを含んでなる電極組立体と、該電極組立体が組み込まれるケースと、を備えてなるリチウム二次電池において、
前記セパレータは、リチウムイオンに対するイオン伝導性を持つ固体電解質とリチウムイオンに対するイオン伝導性を持たない非電解質セラミック物質との混合粉末を含むフィラー、並びにバインダーを備えてなるセパレータ膜を有し、
前記混合粉末の一次粒子のうち少なくとも一部は、粒子の表面が部分的に溶融されるように焼結された後、粉砕され、前記一次粒子の少なくとも3つが固められた二次粒子の形態を有しており、
前記固体電解質は、LiCl−Li 2 O−P 2 O 5 、LiTi 2 (PO 4 ) 3 −AlPO 4 、Li 3 N単結晶、LiI−Li 2 S−P 2 S 5 、LiI−Li 2 S−B 2 S 3 、LiI−Li 2 S−SiS 4 、P 2 O 5 −SiO 2 −Li 2 O、P 2 O 5 −TiO 2 −Li 2 O、P 2 O 5 −Al 2 O 3 −Li 2 O、Li 2 S−GeS 2 −P 2 S 5 、La 0.55 Li 0.35 TiO 3 で表される組み合わせのいずれか一つ、あるいは、これらの再結合からなる、
ことを特徴とするリチウム二次電池。 - 前記非電解質セラミック物質は、アルミナ、シリカ、ジルコニア、チタニア、及びイオン伝導性ガラスのうち少なくともいずれか一つを含んでなることを特徴とする請求項1または2に記載のリチウム二次電池。
- 前記二次粒子は、前記フィラーのうち、溶融点の低いものの溶融温度付近まで加熱して材質の温度を上昇させ、ネッキングさせる方法を用いて形成されることを特徴とする請求項1または2に記載のリチウム二次電池。
- 前記セパレータ膜をなす前記バインダーは、アクリルゴム系を含んでなることを特徴とする請求項1または2に記載のリチウム二次電池。
- 前記セパレータ膜は、メタクリレートを含んでなることを特徴とする請求項1または2に記載のリチウム二次電池。
- 前記バインダーは、前記セパレータ膜において、前記フィラーと20:80以下1:99以上の質量比を持って混在されることを特徴とする請求項1または2に記載のリチウム二次電池。
- 前記セパレータ膜は、前記電極のうち少なくともいずれか一つの表面に一体化させて形成されることを特徴とする請求項1または2に記載のリチウム二次電池。
- 前記セパレータ膜は、前記電極をセパレータ膜液に浸漬する方法で形成されることを特徴とする請求項8に記載のリチウム二次電池。
- 前記セパレータ膜は、前記電極に対する印刷方法で形成されることを特徴とする請求項8に記載のリチウム二次電池。
- 前記セパレータ膜は、前記電極に対するスプレー方法で形成されることを特徴とする請求項8に記載のリチウム二次電池。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050035290A KR100659851B1 (ko) | 2005-04-27 | 2005-04-27 | 리튬 이차 전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006310295A JP2006310295A (ja) | 2006-11-09 |
JP4594269B2 true JP4594269B2 (ja) | 2010-12-08 |
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Application Number | Title | Priority Date | Filing Date |
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JP2006110185A Active JP4594269B2 (ja) | 2005-04-27 | 2006-04-12 | リチウム二次電池{Lithiumsecondarybattery} |
Country Status (4)
Country | Link |
---|---|
US (1) | US7674559B2 (ja) |
JP (1) | JP4594269B2 (ja) |
KR (1) | KR100659851B1 (ja) |
CN (1) | CN100461503C (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160111378A (ko) | 2014-01-20 | 2016-09-26 | 소니 주식회사 | 전지, 전지 팩, 전자 기기, 전동 차량, 축전 장치 및 전력 시스템 |
US9947964B2 (en) | 2014-05-02 | 2018-04-17 | Murata Manufacturing Co., Ltd. | Battery, battery pack, electronic equipment, electric vehicle, power storage device, and power system |
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US20060246355A1 (en) | 2006-11-02 |
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