JP2009526349A - 界面活性剤を含む電極活性物質を含むリチウム二次電池 - Google Patents
界面活性剤を含む電極活性物質を含むリチウム二次電池 Download PDFInfo
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- H—ELECTRICITY
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- 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
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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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
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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
- H01M4/621—Binders
- H01M4/622—Binders being polymers
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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
- H01M10/056—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
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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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
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- H—ELECTRICITY
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
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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
- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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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
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- 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
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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
- H01M4/661—Metal or alloys, e.g. alloy coatings
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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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- Chemical Kinetics & Catalysis (AREA)
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
カソード活物質として94.5重量%のLiCoO2、2.5重量%のSuper−P(導電材)、2.5重量%のPVDF(バインダ)および界面活性剤として0.5重量%のPluronic(商標)F127(BASF)が、溶媒のN−メチル−2−ピロリドン(NMP)に加えられ、それによってカソードスラリーが準備された。その結果得られたカソードスラリーがアルミニウム集電体上で塗布、乾燥、プレスされてカソードを製造した。
アノード活物質として95重量%の人造黒鉛、2.5重量%のSuper−P(導電材)、2重量%のPVDF(バインダ)および界面活性剤として0.5重量%のPluronic(商標)F127(BASF)が、溶媒としてのNMPに加えられ、それによってアノードスラリーが準備された。その結果得られたアノードスラリーが銅集電体上で塗布、乾燥、プレスされてアノードを製造した。
1MのLiPF6リチウム塩を含むエチレンカーボネート(EC)/エチルメチルカーボネート(EMC)溶液が電解液として使用された。
多孔質分離膜(Celgard(商標))がそれぞれ1−1、1−2項で製造されたカソードとアノードの間に配置され、1−3項で準備した非水電解液が、その結果得られた電極アセンブリー中に注入され、それによってリチウム二次電池を製造した。
界面活性剤が両電極に付加されない以外は実施例1と同じ方法でリチウム二次電池が製造された。
実施例1〜4と比較実施例1の電池製造で、電解液がカソードおよびアノード上で約10%の濡れ性に至るまでに要する時間が測定された。こうして得られた結果が下の表1に与えられている。
実施例1〜4と比較実施例1の電池に対し、電池容量、レート特性、およびサイクル特性を試験した。こうして得られた結果が下の表2に与えられている。
界面活性剤として0.5重量%のポリエチレングリコールジメチルエーテルが、電極ではなく電解液に加えられたこと以外は実施例1と同じ方法でリチウム二次電池が製造された。両電極にポリエチレングリコールジメチルエーテルが付加されないため、カソード中のLiCoO2:Super−P:PVDFの比は95:2.5:2.5(w/w)に調整され、アノード中の人造黒鉛:Super−P:PVDFの比は95.5:2.5:2(w/w)に調整された。
比較実施例2の電池製造では、電解液がカソードおよびアノード上で約10%の濡れ性に至るまでに要する時間が測定された。結果として約10%の濡れ性に至るまでの時間は5分であり、したがって界面活性剤を付加した電解液では濡れ性で望ましい改善が得られないことが確認された。
Claims (10)
- リチウム遷移金属化合物を含むカソードと黒鉛化炭素を含むアノードとを備えるリチウム二次電池であって、
界面活性剤が前記カソード、前記アノード、または前記カソードおよび前記アノードの両方に添加されるリチウム二次電池。 - 前記界面活性剤の含有量が、電極合剤の全体重量に基づいて0.01〜20重量%の範囲である請求項1に記載の電池。
- 前記界面活性剤が、非イオン性界面活性剤である請求項1に記載の電池。
- 前記非イオン性界面活性剤が、親水性部分と、疎水性部分とを有するブロックコポリマーである請求項3に記載の電池。
- 前記ブロックコポリマーがPEO−PPOブロックコポリマーである請求項4に記載の電池。
- 前記PEO−PPOブロックコポリマー中のPEOユニットの含有量が、前記コポリマーの全体重量に基づいて40〜80重量%の範囲である請求項5に記載の電池。
- 前記PEO−PPOブロックコポリマーがPEO−PPO−PEOトリブロックコポリマーである請求項5に記載の電池。
- 前記PEO−PPO−PEOトリブロックコポリマー中のPEOユニットの含有量が、前記コポリマーの全体重量に基づいて60〜70重量%の範囲である請求項7に記載の電池。
- 前記界面活性剤が、パーフルオロアルキルスルホン酸塩である請求項1に記載の電池。
- 前記界面活性剤が、パーフルオロブタンスルホン酸塩である請求項9に記載の電池。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060010947A KR100893229B1 (ko) | 2006-02-06 | 2006-02-06 | 전극 활물질에 계면활성제를 포함하고 있는 리튬 이차전지 |
PCT/KR2007/000536 WO2007091798A1 (en) | 2006-02-06 | 2007-02-01 | Lithium secondary battery comprising electrode active material containing surfactant |
Publications (1)
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JP2009526349A true JP2009526349A (ja) | 2009-07-16 |
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JP2008553158A Pending JP2009526349A (ja) | 2006-02-06 | 2007-02-01 | 界面活性剤を含む電極活性物質を含むリチウム二次電池 |
Country Status (6)
Country | Link |
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US (1) | US8383265B2 (ja) |
JP (1) | JP2009526349A (ja) |
KR (1) | KR100893229B1 (ja) |
CN (1) | CN101379635A (ja) |
TW (1) | TW200731600A (ja) |
WO (1) | WO2007091798A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US8828603B2 (en) | 2011-08-30 | 2014-09-09 | Sony Corporation | Secondary battery, battery pack, electric vehicle, electric power storage system, power tool, and electronic appliance |
US9455438B2 (en) | 2012-04-13 | 2016-09-27 | Lg Chem, Ltd. | Method for preparing electrode mix and the electrode mix prepared by using the same |
JP2017182926A (ja) * | 2016-03-28 | 2017-10-05 | Fdk株式会社 | アルカリ二次電池用の負極、この負極を含むアルカリ二次電池及びこの負極の製造方法 |
JP2018026348A (ja) * | 2016-08-08 | 2018-02-15 | 三星電子株式会社Samsung Electronics Co.,Ltd. | 金属空気電池用正極、それを含む金属空気電池、及び該金属空気電池用正極の製造方法 |
JP2022550175A (ja) * | 2019-12-25 | 2022-11-30 | 寧徳新能源科技有限公司 | 電気化学装置及びそれを含む電子装置 |
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WO2010049503A1 (en) * | 2008-10-30 | 2010-05-06 | Essilor International (Compagnie Generale D'optique) | Conductive polymer-based curable coating composition providing coated articles with enhanced antistatic properties |
CN103038926B (zh) * | 2010-07-30 | 2015-12-16 | 三洋电机株式会社 | 非水电解质二次电池 |
SG187660A1 (en) * | 2010-08-20 | 2013-03-28 | Univ Singapore | Mesoporous metal phosphate materials for energy storage application |
US9590233B2 (en) * | 2013-04-05 | 2017-03-07 | Duracell U.S. Operations, Inc. | Method of making a cathode |
KR101675184B1 (ko) * | 2013-08-19 | 2016-11-10 | 주식회사 엘지화학 | 3차원 구조의 리튬 이차전지 |
CN106785064A (zh) * | 2016-12-27 | 2017-05-31 | 深圳市沃特玛电池有限公司 | 一种锂离子电池的制备方法 |
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US10944128B2 (en) | 2017-03-30 | 2021-03-09 | International Business Machines Corporation | Anode structure for solid-state lithium-based thin-film battery |
CN108666616A (zh) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | 一种锂离子电池电解液及电池 |
US10622680B2 (en) | 2017-04-06 | 2020-04-14 | International Business Machines Corporation | High charge rate, large capacity, solid-state battery |
KR102134299B1 (ko) * | 2017-06-07 | 2020-07-15 | 주식회사 엘지화학 | 리튬 이차전지용 음극 활물질 슬러리, 및 이의 제조방법 |
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KR20240047388A (ko) * | 2021-08-04 | 2024-04-12 | 에스지엘 카본 에스이 | 애노드 물질 |
CN114976002A (zh) * | 2022-04-28 | 2022-08-30 | 清华大学山西清洁能源研究院 | 黏结剂、其制备方法、锂硫电池正极与锂硫电池 |
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2006
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- 2007-02-01 CN CNA2007800045227A patent/CN101379635A/zh active Pending
- 2007-02-01 US US12/223,688 patent/US8383265B2/en active Active
- 2007-02-01 JP JP2008553158A patent/JP2009526349A/ja active Pending
- 2007-02-01 WO PCT/KR2007/000536 patent/WO2007091798A1/en active Application Filing
- 2007-02-05 TW TW096104039A patent/TW200731600A/zh unknown
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JPH0649674A (ja) * | 1992-06-05 | 1994-02-22 | Bayer Ag | フツ化パーフルオロブチルスルホニルの製造方法 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8828603B2 (en) | 2011-08-30 | 2014-09-09 | Sony Corporation | Secondary battery, battery pack, electric vehicle, electric power storage system, power tool, and electronic appliance |
US9455438B2 (en) | 2012-04-13 | 2016-09-27 | Lg Chem, Ltd. | Method for preparing electrode mix and the electrode mix prepared by using the same |
JP2017182926A (ja) * | 2016-03-28 | 2017-10-05 | Fdk株式会社 | アルカリ二次電池用の負極、この負極を含むアルカリ二次電池及びこの負極の製造方法 |
WO2017169164A1 (ja) * | 2016-03-28 | 2017-10-05 | Fdk株式会社 | アルカリ二次電池用の負極、この負極を含むアルカリ二次電池及びこの負極の製造方法 |
JP2018026348A (ja) * | 2016-08-08 | 2018-02-15 | 三星電子株式会社Samsung Electronics Co.,Ltd. | 金属空気電池用正極、それを含む金属空気電池、及び該金属空気電池用正極の製造方法 |
JP2022550175A (ja) * | 2019-12-25 | 2022-11-30 | 寧徳新能源科技有限公司 | 電気化学装置及びそれを含む電子装置 |
JP7355931B2 (ja) | 2019-12-25 | 2023-10-03 | 寧徳新能源科技有限公司 | 電気化学装置及びそれを含む電子装置 |
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WO2007091798A1 (en) | 2007-08-16 |
CN101379635A (zh) | 2009-03-04 |
TW200731600A (en) | 2007-08-16 |
KR20070079979A (ko) | 2007-08-09 |
US20100009257A1 (en) | 2010-01-14 |
US8383265B2 (en) | 2013-02-26 |
KR100893229B1 (ko) | 2009-04-16 |
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