JP6227672B2 - リチウム硫黄二次電池用の正極 - Google Patents
リチウム硫黄二次電池用の正極 Download PDFInfo
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- JP6227672B2 JP6227672B2 JP2015553344A JP2015553344A JP6227672B2 JP 6227672 B2 JP6227672 B2 JP 6227672B2 JP 2015553344 A JP2015553344 A JP 2015553344A JP 2015553344 A JP2015553344 A JP 2015553344A JP 6227672 B2 JP6227672 B2 JP 6227672B2
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- sulfur
- carbon nanotube
- positive electrode
- lithium
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- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 title claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 93
- 239000002041 carbon nanotube Substances 0.000 claims description 92
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 92
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 66
- 239000011593 sulfur Substances 0.000 claims description 66
- 229910052717 sulfur Inorganic materials 0.000 claims description 66
- 238000000034 method Methods 0.000 description 16
- 239000003792 electrolyte Substances 0.000 description 15
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 12
- 229910052744 lithium Inorganic materials 0.000 description 12
- 239000008151 electrolyte solution Substances 0.000 description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 9
- 229920001021 polysulfide Polymers 0.000 description 9
- 239000005077 polysulfide Substances 0.000 description 9
- 150000008117 polysulfides Polymers 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 7
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005566 electron beam evaporation Methods 0.000 description 3
- 238000010828 elution Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 3
- QSZMZKBZAYQGRS-UHFFFAOYSA-N lithium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F QSZMZKBZAYQGRS-UHFFFAOYSA-N 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910018091 Li 2 S Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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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
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- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0416—Methods of deposition of the material involving impregnation with a solution, dispersion, paste or dry powder
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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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- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0421—Methods of deposition of the material involving vapour deposition
- H01M4/0428—Chemical vapour deposition
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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
- H01M4/04—Processes of manufacture in general
- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1397—Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/581—Chalcogenides or intercalation compounds thereof
- H01M4/5815—Sulfides
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- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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- 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
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
Description
Claims (2)
- 集電体と、集電体の表面にこの集電体表面側を基端として集電体表面に直交する方向に配向するように成長させた複数本のカーボンナノチューブと、各カーボンナノチューブの表面を夫々覆う硫黄とを備えるリチウム硫黄二次電池用の正極において、
カーボンナノチューブは螺旋状に成長したものを含み、
カーボンナノチューブの密度は40mg/cm3以下であることを特徴とするリチウム硫黄二次電池用の正極。 - 前記カーボンナノチューブは基端から成長端まで線状に成長した場合の長さを見かけ長さとし、各カーボンナノチューブは基端から成長端までの間に少なくとも一箇所の屈曲部分または湾曲部分を有し、各カーボンナノチューブの基端から成長端までの成長高さは、見かけ長さの0.4倍〜0.8倍の範囲であることを特徴とする請求項1記載のリチウム硫黄二次電池用の正極。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013264313 | 2013-12-20 | ||
JP2013264313 | 2013-12-20 | ||
PCT/JP2014/005235 WO2015092958A1 (ja) | 2013-12-20 | 2014-10-15 | リチウム硫黄二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2015092958A1 JPWO2015092958A1 (ja) | 2017-03-16 |
JP6227672B2 true JP6227672B2 (ja) | 2017-11-08 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015553344A Active JP6227672B2 (ja) | 2013-12-20 | 2014-10-15 | リチウム硫黄二次電池用の正極 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9997770B2 (ja) |
JP (1) | JP6227672B2 (ja) |
KR (1) | KR20160101969A (ja) |
CN (1) | CN105849941B (ja) |
DE (1) | DE112014005956T5 (ja) |
TW (1) | TWI636608B (ja) |
WO (1) | WO2015092958A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024151037A1 (ko) * | 2023-01-12 | 2024-07-18 | 주식회사 브이티 | 리튬-황 전지용 전극 구조체 제조 장치 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106374113A (zh) * | 2016-10-31 | 2017-02-01 | 南昌大学 | 石墨化碳纳米管柔性膜作锂硫电池集流体制备锂硫电池的方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5135746B2 (ja) * | 2006-09-21 | 2013-02-06 | トヨタ自動車株式会社 | リチウムイオン二次電池とその製造方法 |
TWI378897B (en) * | 2007-12-27 | 2012-12-11 | Univ Nat Taiwan | Method for producing carbon nanocoils |
JP2010085337A (ja) * | 2008-10-01 | 2010-04-15 | Kobe Univ | ナノワイヤを用いた微細流路の製造方法 |
JP5574257B2 (ja) * | 2009-09-24 | 2014-08-20 | 日本ゼオン株式会社 | カーボンナノチューブ生成用再利用基材及びカーボンナノチューブ生成用基材並びにその製造方法 |
WO2011146445A2 (en) * | 2010-05-17 | 2011-11-24 | Arthur Boren | Carbon nanotube augmented electrodes with silicon |
DE102010030887A1 (de) * | 2010-07-02 | 2012-01-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Kathodeneinheit für Alkalimetall-Schwefel-Batterie |
JP2012070184A (ja) | 2010-09-22 | 2012-04-05 | Fujitsu Ten Ltd | 放送受信装置 |
CN103210525B (zh) * | 2010-11-26 | 2015-11-25 | 株式会社爱发科 | 锂硫二次电池用正极及其形成方法 |
JP2012238448A (ja) * | 2011-05-11 | 2012-12-06 | Sony Corp | 二次電池、二次電池の製造方法、二次電池用正極、二次電池用正極の製造方法、電池パック、電子機器、電動車両、電力システムおよび電力貯蔵用電源 |
JP5766052B2 (ja) * | 2011-07-08 | 2015-08-19 | 株式会社アルバック | ナトリウムイオン二次電池及びナトリウムイオン二次電池の製造方法 |
JP2014203593A (ja) | 2013-04-02 | 2014-10-27 | 株式会社アルバック | リチウム硫黄二次電池用の正極及びその形成方法 |
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2014
- 2014-10-15 US US15/036,099 patent/US9997770B2/en active Active
- 2014-10-15 CN CN201480068397.6A patent/CN105849941B/zh active Active
- 2014-10-15 WO PCT/JP2014/005235 patent/WO2015092958A1/ja active Application Filing
- 2014-10-15 KR KR1020167018954A patent/KR20160101969A/ko not_active Application Discontinuation
- 2014-10-15 JP JP2015553344A patent/JP6227672B2/ja active Active
- 2014-10-15 DE DE112014005956.0T patent/DE112014005956T5/de not_active Withdrawn
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JPWO2015092958A1 (ja) | 2017-03-16 |
US9997770B2 (en) | 2018-06-12 |
WO2015092958A1 (ja) | 2015-06-25 |
KR20160101969A (ko) | 2016-08-26 |
CN105849941A (zh) | 2016-08-10 |
TW201530870A (zh) | 2015-08-01 |
CN105849941B (zh) | 2019-12-06 |
US20160285075A1 (en) | 2016-09-29 |
TWI636608B (zh) | 2018-09-21 |
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