JP2011518743A - 硫黄−炭素材料 - Google Patents
硫黄−炭素材料 Download PDFInfo
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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
- H01M4/13—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
- H01M4/1397—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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- 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
- H01M4/58—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
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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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
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
- H01M10/39—Accumulators not provided for in groups H01M10/05-H01M10/34 working at high temperature
- H01M10/3909—Sodium-sulfur cells
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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
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
- H01M10/39—Accumulators not provided for in groups H01M10/05-H01M10/34 working at high temperature
- H01M10/3909—Sodium-sulfur cells
- H01M10/3954—Sodium-sulfur cells containing additives or special arrangement in the sulfur compartment
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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
Abstract
Description
炭素マトリックスを、Jun等(J.Am.Chem.Soc.2000,122,10712)によって詳述されるように、調製した。その後、30質量%の炭素マトリックス材料及び70質量%の元素状硫黄を含む粉末を、手動で粉砕し、ペレット形状にプレスした。次いで、硫黄が炭素マトリックス内の空隙スペースに流れ込むように、ペレットを120℃〜180℃、例えば155℃に加熱した。炭素−硫黄の混合物を手動で粉砕し、さらなる調製無しに、電池の活物質として使用した。比較の電極を、23質量%の硫黄粉末、10質量%の導電性炭素、20質量%のバインダー溶液、及び46質量%の溶媒を含むスラリーを用いて調製した。ドクターブレード法を用いてスラリーをアルミニウムの電流コレクタ上に流し込み、真空下で乾燥して、セルを作った。
Claims (20)
- 炭素及び硫黄を含む材料であって、
前記炭素が、ナノ多孔性を有する多孔質マトリックス状であり、
前記ナノ多孔性内に利用可能な自由体積があるように、前記硫黄が、前記炭素のマトリックスの前記ナノ多孔性内の一部に吸着された、材料。 - 前記マトリックスが、10〜99体積%の前記ナノ多孔性を有する、請求項1に記載の材料。
- 前記硫黄が、前記ナノ多孔性の5%より多く100%未満を占める、請求項2に記載の材料。
- 前記硫黄が、前記ナノ多孔性の50%より多く100%未満を占める、請求項2に記載の材料。
- 前記硫黄が、前記ナノ多孔性の75%より多く100%未満を占める、請求項2に記載の材料。
- 前記ナノ多孔性が、1ナノメートル〜999ナノメートルの平均直径を有するナノ細孔及びナノチャネルを有する、請求項1に記載の材料。
- 前記硫黄の少なくとも一部が元素状硫黄粒子であり、前記元素状硫黄粒子が、前記元素状硫黄粒子が配置された前記ナノ多孔性の最も狭い部分よりも大きい外径寸法を有する、請求項6に記載の材料。
- 前記硫黄の少なくとも一部が硫黄化合物として存在する、請求項6に記載の材料。
- 前記硫黄化合物の少なくとも一部が硫黄化合物の粒子であり、前記硫黄化合物の粒子が、前記硫黄化合物の粒子が配置された前記ナノ多孔性の最も狭い部分よりも大きい外径寸法を有する、請求項8に記載の材料。
- 前記ナノ細孔及び前記ナノチャネルが、1ナノメートル〜50ナノメートルの平均直径を有する、請求項6に記載の材料。
- 前記ナノ細孔及び前記ナノチャネルが、1ナノメートル〜30ナノメートルの平均直径を有する、請求項6に記載の材料。
- 前記ナノ細孔及び前記ナノチャネルが、1ナノメートル〜20ナノメートルの平均直径を有する、請求項6に記載の材料。
- 請求項1に記載の材料を含む電極。
- 結合化合物、他の添加剤、及びそれらの組み合わせをさらに含む、請求項13に記載の電極。
- 負極;
電解質;及び
請求項13に記載の正極、
を有する電池。 - 炭素及び硫黄を含む材料であって、
前記炭素が、多孔性を画定するナノ細孔及びナノチャネルを有する多孔質マトリックス状であり、前記ナノ細孔及び前記ナノチャネルが、1ナノメートル〜999ナノメートルの平均直径を有し、
前記多孔性内に利用可能な自由体積があるように、前記硫黄が、前記炭素マトリックスの前記ナノ細孔及び前記ナノチャネル内の一部に吸着され、前記多孔性の5%より多く100%未満を占める、
材料。 - 前記マトリックスが、10〜99体積%の多孔性を有する、請求項16に記載の材料。
- 前記硫黄の少なくとも一部が元素状硫黄粒子として存在し、前記元素状硫黄粒子が、前記元素状硫黄粒子が配置された前記ナノ多孔性の最も狭い部分よりも大きい外径寸法を有する、請求項17に記載の材料。
- 前記硫黄の前記少なくとも一部が硫黄化合物粒子として存在し、前記硫黄化合物粒子が、前記硫黄化合物粒子が配置された前記ナノ多孔性の最も狭い部分よりも大きい外径寸法を有する、請求項17に記載の材料。
- 硫黄−炭素電極を有する電池であって、前記電池が、
リチウムを含む負極;
電解質;及び
正極、
を含み、前記正極が、
多孔性を画定するナノ細孔及びナノチャネルを有する多孔質炭素のマトリックスであって、前記ナノ細孔及び前記ナノチャネルが、1ナノメートル〜999ナノメートルの平均直径を有する、多孔質炭素のマトリックス;並びに、
前記多孔性内に利用可能な自由体積があるように、前記炭素マトリックスの前記ナノ細孔及び前記ナノチャネル内の一部に吸着された硫黄であって、前記多孔性の5%より多く100%未満を占める硫黄、
を有する、電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US3578308P | 2008-03-12 | 2008-03-12 | |
US61/035,783 | 2008-03-12 | ||
PCT/US2009/035686 WO2009114314A2 (en) | 2008-03-12 | 2009-03-02 | Sulfur-carbon material |
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JP2013027976A Division JP2013118191A (ja) | 2008-03-12 | 2013-02-15 | 硫黄−炭素材料 |
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JP2011518743A true JP2011518743A (ja) | 2011-06-30 |
JP5670756B2 JP5670756B2 (ja) | 2015-02-18 |
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JP2013027976A Pending JP2013118191A (ja) | 2008-03-12 | 2013-02-15 | 硫黄−炭素材料 |
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EP (1) | EP2250692B1 (ja) |
JP (2) | JP5670756B2 (ja) |
KR (1) | KR101384630B1 (ja) |
CN (1) | CN101953001A (ja) |
AU (1) | AU2009223442B2 (ja) |
WO (1) | WO2009114314A2 (ja) |
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JP2012204332A (ja) * | 2011-03-28 | 2012-10-22 | Tokyo Univ Of Agriculture & Technology | リチウム硫黄電池用正極材料、リチウム硫黄電池、並びに、複合体及びその製造方法 |
WO2013100685A1 (ko) * | 2011-12-30 | 2013-07-04 | 경상대학교 산학협력단 | 3차원 다공성 집전체를 이용한 전극, 이를이용한 전지 및 그 제조방법 |
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JP2013214482A (ja) * | 2012-03-09 | 2013-10-17 | Toray Ind Inc | カーボン硫黄複合体とその製造方法、及びこれを用いた電気化学素子ならびにリチウムイオン電池 |
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JP2012204332A (ja) * | 2011-03-28 | 2012-10-22 | Tokyo Univ Of Agriculture & Technology | リチウム硫黄電池用正極材料、リチウム硫黄電池、並びに、複合体及びその製造方法 |
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Also Published As
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AU2009223442B2 (en) | 2014-01-30 |
EP2250692A2 (en) | 2010-11-17 |
WO2009114314A2 (en) | 2009-09-17 |
JP2013118191A (ja) | 2013-06-13 |
EP2250692A4 (en) | 2012-05-23 |
KR20100136974A (ko) | 2010-12-29 |
WO2009114314A3 (en) | 2009-11-26 |
EP2250692B1 (en) | 2017-06-14 |
JP5670756B2 (ja) | 2015-02-18 |
KR101384630B1 (ko) | 2014-04-11 |
CN101953001A (zh) | 2011-01-19 |
AU2009223442A1 (en) | 2009-09-17 |
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