JPWO2012070184A1 - リチウム硫黄二次電池用の正極及びその形成方法 - Google Patents
リチウム硫黄二次電池用の正極及びその形成方法 Download PDFInfo
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 120
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 120
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229910018091 Li 2 S Inorganic materials 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
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- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- GLNWILHOFOBOFD-UHFFFAOYSA-N lithium sulfide Chemical compound [Li+].[Li+].[S-2] GLNWILHOFOBOFD-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
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- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 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
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- JLQNHALFVCURHW-UHFFFAOYSA-N cyclooctasulfur Chemical compound S1SSSSSSS1 JLQNHALFVCURHW-UHFFFAOYSA-N 0.000 description 1
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- 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
- 239000012212 insulator Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
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- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
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- 239000002203 sulfidic glass Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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
- H01M4/139—Processes of manufacture
- H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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
-
- 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
-
- 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
-
- 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
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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
- H01M4/663—Selection of materials containing carbon or carbonaceous materials as conductive part, e.g. graphite, carbon fibres
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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
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/80—Porous plates, e.g. sintered carriers
- H01M4/806—Nonwoven fibrous fabric containing only fibres
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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
- 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
- H01M4/36—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
- H01M4/381—Alkaline or alkaline earth metals elements
- H01M4/382—Lithium
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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
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- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
Description
Claims (6)
- 集電体と、集電体の表面に、当該表面に直交する方向に配向させて成長させたカーボンナノチューブと、を備え、隣接するカーボンナノチューブ相互間に所定の間隙が存するように、カーボンナノチューブの各々の少なくとも表面を硫黄で覆ってな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の各々の内部に硫黄が充填されてい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。
- 集電体の表面に、当該表面に直交する方向に配向させてカーボンナノチューブを直接成長させ、又は、触媒層の表面に同一方向に配向させてカーボンナノチューブを成長させた後、これらのカーボンナノチューブを集電体の表面に、当該表面に直交する方向に配向するように転写する工程と、
カーボンナノチューブが成長した又は転写された領域の全体に亘って、カーボンナノチューブの単位面積当たりの密度に応じた量で固体の硫黄を配置する工程と、前記硫黄を溶解させて、隣接するカーボンナノチューブ相互間に間隙が存するように、カーボンナノチューブの各々の表面を硫黄で覆う工程と、を含むことを特徴とするリチウム硫黄二次電池用の正極の形成方法。 - 前記カーボンナノチューブを1×1010〜1×1012本/cm2の密度で成長させ、成長させたカーボンナノチューブの重量の0.7〜3倍の重量の前記固体の硫黄を配置することを特徴とする請求項3記載のリチウム硫黄二次電池用の正極の形成方法。
- 前記硫黄を配置する前に、カーボンナノチューブの各々の先端に開口部を形成する工程を更に含み、
前記硫黄を溶解させたときに、前記開口部を通してカーボンナノチューブの各々の内部に硫黄が充填されるようにしたことを特徴とする請求項3記載のリチウム硫黄二次電池用の正極の形成方法。 - カーボンナノチューブの各々の表面を硫黄で覆った後、アニールを行う工程を更に含み、このアニールにより、カーボンナノチューブの各々の表面を覆う硫黄をカーボンナノチューブ内部に浸透させ、カーボンナノチューブの各々の内部に硫黄が充填されるようにしたことを特徴とする請求項3記載のリチウム硫黄二次電池用の正極の形成方法。
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JP2012545600A JP5558586B2 (ja) | 2010-11-26 | 2011-10-14 | 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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JP (1) | JP5558586B2 (ja) |
KR (1) | KR101502538B1 (ja) |
CN (1) | CN103210525B (ja) |
DE (1) | DE112011103917T5 (ja) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015115119A (ja) * | 2013-12-09 | 2015-06-22 | 株式会社アルバック | リチウム硫黄二次電池用の正極の形成方法及びリチウム硫黄二次電池用正極 |
US9997770B2 (en) * | 2013-12-20 | 2018-06-12 | Ulvac, Inc. | Lithium-sulfur secondary battery |
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JP5730032B2 (ja) * | 2011-01-20 | 2015-06-03 | 株式会社フジクラ | カーボンナノチューブ電極用構造体、カーボンナノチューブ電極及び色素増感太陽電池 |
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 |
DE102012018622A1 (de) | 2012-09-14 | 2014-03-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Li-S-Batterie mit hoher Zyklenstabilität und Verfahren zu deren Betreiben |
WO2014080974A1 (ja) * | 2012-11-21 | 2014-05-30 | 国立大学法人信州大学 | カーボンナノチューブ及びその製造方法 |
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CN105993093A (zh) * | 2013-12-03 | 2016-10-05 | 株式会社爱发科 | 锂硫二次电池 |
JP2015115209A (ja) * | 2013-12-12 | 2015-06-22 | 株式会社アルバック | リチウム硫黄二次電池 |
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DE112011103917T5 (de) | 2013-10-02 |
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US9882202B2 (en) | 2018-01-30 |
KR20130087570A (ko) | 2013-08-06 |
CN103210525B (zh) | 2015-11-25 |
TW201246666A (en) | 2012-11-16 |
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