WO1996012764A1 - Binder for cell and composition for electrode and cell prepared therefrom - Google Patents
Binder for cell and composition for electrode and cell prepared therefrom Download PDFInfo
- Publication number
- WO1996012764A1 WO1996012764A1 PCT/JP1995/002150 JP9502150W WO9612764A1 WO 1996012764 A1 WO1996012764 A1 WO 1996012764A1 JP 9502150 W JP9502150 W JP 9502150W WO 9612764 A1 WO9612764 A1 WO 9612764A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- binder
- shell
- battery
- core
- fine particles
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F259/00—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00
- C08F259/08—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
-
- 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
-
- 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
-
- 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
- H01M4/623—Binders being polymers fluorinated polymers
-
- 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
- H01M2300/0002—Aqueous electrolytes
- H01M2300/0014—Alkaline electrolytes
-
- 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
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
-
- 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
Definitions
- aqueous dispersion when used, a step of removing a large amount of water and a surfactant contained therein as a stabilizer by heating or the like is required, and depending on the battery, the surfactant or water has an adverse effect on characteristics.
- LiNi0 2 can not be used, especially water and reaction Shasuku, the PTFE aqueous dispersion.
- PVDF When PVDF is used as a binder, it can be mixed with an electrode material in a solution form because it is soluble in an organic solvent.
- the present invention relates to an aqueous or non-aqueous dispersion containing a core-shell composite fine particle having an average particle size of 0.05 to lm having a fibril-forming polytetrafluoroethylene core and a non-fibril-forming polymer shell.
- a binder for a battery comprising a body or a powder, wherein the weight ratio of the core to the shell of the composite fine particles is 98: 2 to 50:50, and
- the present invention relates to a composition for an electrode and a battery.
- the binder for a battery of the present invention may be any of an aqueous dispersion, a non-aqueous dispersion, and a powder.
- the most effective composite fine particles are non-aqueous dispersions or powders.
- PTFE used as a binder is a fine powder or an aqueous dispersion, and there is no non-aqueous dispersion.
- the non-aqueous dispersion is easy to mix with the electrode material and does not contain a large amount of surfactant unlike the aqueous dispersion, so that it is not necessary to remove it finally.
- the powder of the present invention is obtained by separating polymer fine particles by coagulation from an aqueous dispersion obtained by an emulsion polymerization method by a conventional method (for example, see US Pat. Obtained by: Drying must be performed at a low temperature so that the shells of the fine particles do not fuse together.
- the average particle size of the powder is not particularly limited, but a preferable average particle size is 1 to 30 m. Substantially no powder with a particle size smaller than 1 DI is obtained. When the particle size is larger than 30 m, the mixing property with the electrode material is reduced.
- the particle size can be controlled by the concentration of the aqueous dispersion during coagulation, the temperature, and the intensity of stirring.
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51377296A JP3295939B2 (ja) | 1994-10-19 | 1995-10-18 | 電池用結着剤ならびにそれを用いた電極用組成物及び電池 |
US08/663,060 US5707763A (en) | 1994-10-19 | 1995-10-18 | Binder for batteries, and electrode compositions and batteries incorporating same |
DE69520426T DE69520426T2 (de) | 1994-10-19 | 1995-10-18 | Zellbindemittel und elektrodenzusammensetzung sowie daraus hergestellte zelle |
KR1019960703148A KR100201056B1 (ko) | 1994-10-19 | 1995-10-18 | 전지용 결착제 및 이를 사용한 전극용 조성물 및 전지 |
CA002179392A CA2179392C (en) | 1994-10-19 | 1995-10-18 | Binder for batteries and electrode compositions and batteries incorporating same |
EP95934847A EP0735093B1 (en) | 1994-10-19 | 1995-10-18 | Binder for cell and composition for electrode and cell prepared therefrom |
KR1019960073148A KR100428087B1 (ko) | 1994-10-19 | 1996-06-14 | 자동차의 미끄럼방지장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28143794 | 1994-10-19 | ||
JP6/281437 | 1994-10-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996012764A1 true WO1996012764A1 (en) | 1996-05-02 |
Family
ID=17639163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1995/002150 WO1996012764A1 (en) | 1994-10-19 | 1995-10-18 | Binder for cell and composition for electrode and cell prepared therefrom |
Country Status (8)
Country | Link |
---|---|
US (1) | US5707763A (ja) |
EP (1) | EP0735093B1 (ja) |
JP (1) | JP3295939B2 (ja) |
KR (2) | KR100201056B1 (ja) |
CN (1) | CN1107090C (ja) |
CA (1) | CA2179392C (ja) |
DE (1) | DE69520426T2 (ja) |
WO (1) | WO1996012764A1 (ja) |
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JPH11102843A (ja) * | 1997-07-28 | 1999-04-13 | Matsushita Electric Ind Co Ltd | 電気二重層キャパシタおよびその製造方法 |
WO2002021618A1 (en) * | 2000-09-04 | 2002-03-14 | Daikin Industries, Ltd. | Additive for electrode for use in battery or capacitor |
JP2005310658A (ja) * | 2004-04-23 | 2005-11-04 | Daikin Ind Ltd | 非水電解液一次電池用結着剤 |
KR100582518B1 (ko) * | 1997-03-04 | 2006-05-24 | 제온 코포레이션 | 전지용 바인더조성물, 전지 전극용 슬러리, 리튬 2차전지용 전극 및 리튬 2차전지 |
JP2011213857A (ja) * | 2010-03-31 | 2011-10-27 | Daikin Industries Ltd | 含フッ素重合体のオルガノゾル組成物 |
WO2012002038A1 (ja) | 2010-06-30 | 2012-01-05 | ダイキン工業株式会社 | 含フッ素重合体のオルガノゾル組成物 |
WO2012002037A1 (ja) | 2010-06-30 | 2012-01-05 | ダイキン工業株式会社 | 電極用バインダー組成物 |
JP2013084502A (ja) * | 2011-10-12 | 2013-05-09 | Jsr Corp | 電極用バインダー組成物 |
JP2022103140A (ja) * | 2020-12-25 | 2022-07-07 | ダイキン工業株式会社 | 単層カーボンナノチューブとptfeとを複合した結着剤並びにそれを用いた電極作製用組成物及び二次電池 |
WO2023054711A1 (ja) * | 2021-09-30 | 2023-04-06 | ダイキン工業株式会社 | ポリテトラフルオロエチレン粉末、電極用バインダー、電極合剤、電極、及び、二次電池 |
WO2023054713A1 (ja) * | 2021-09-30 | 2023-04-06 | ダイキン工業株式会社 | ポリテトラフルオロエチレン粉末、電極用バインダー、電極合剤、電極、及び、二次電池 |
WO2023054709A1 (ja) * | 2021-09-30 | 2023-04-06 | ダイキン工業株式会社 | ポリテトラフルオロエチレン粉末、電極用バインダー、電極合剤、電極、及び、二次電池 |
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KR100582518B1 (ko) * | 1997-03-04 | 2006-05-24 | 제온 코포레이션 | 전지용 바인더조성물, 전지 전극용 슬러리, 리튬 2차전지용 전극 및 리튬 2차전지 |
JPH11102844A (ja) * | 1997-07-28 | 1999-04-13 | Matsushita Electric Ind Co Ltd | 電気二重層キャパシタおよびその製造方法 |
JPH11102843A (ja) * | 1997-07-28 | 1999-04-13 | Matsushita Electric Ind Co Ltd | 電気二重層キャパシタおよびその製造方法 |
WO2002021618A1 (en) * | 2000-09-04 | 2002-03-14 | Daikin Industries, Ltd. | Additive for electrode for use in battery or capacitor |
JP2005310658A (ja) * | 2004-04-23 | 2005-11-04 | Daikin Ind Ltd | 非水電解液一次電池用結着剤 |
JP2011213857A (ja) * | 2010-03-31 | 2011-10-27 | Daikin Industries Ltd | 含フッ素重合体のオルガノゾル組成物 |
US9109095B2 (en) | 2010-06-30 | 2015-08-18 | Daikin Industries, Ltd. | Organosol composition of fluorine-containing polymer |
WO2012002038A1 (ja) | 2010-06-30 | 2012-01-05 | ダイキン工業株式会社 | 含フッ素重合体のオルガノゾル組成物 |
WO2012002037A1 (ja) | 2010-06-30 | 2012-01-05 | ダイキン工業株式会社 | 電極用バインダー組成物 |
JP2013084502A (ja) * | 2011-10-12 | 2013-05-09 | Jsr Corp | 電極用バインダー組成物 |
JP2022103140A (ja) * | 2020-12-25 | 2022-07-07 | ダイキン工業株式会社 | 単層カーボンナノチューブとptfeとを複合した結着剤並びにそれを用いた電極作製用組成物及び二次電池 |
WO2023054711A1 (ja) * | 2021-09-30 | 2023-04-06 | ダイキン工業株式会社 | ポリテトラフルオロエチレン粉末、電極用バインダー、電極合剤、電極、及び、二次電池 |
WO2023054713A1 (ja) * | 2021-09-30 | 2023-04-06 | ダイキン工業株式会社 | ポリテトラフルオロエチレン粉末、電極用バインダー、電極合剤、電極、及び、二次電池 |
WO2023054709A1 (ja) * | 2021-09-30 | 2023-04-06 | ダイキン工業株式会社 | ポリテトラフルオロエチレン粉末、電極用バインダー、電極合剤、電極、及び、二次電池 |
JP2023051887A (ja) * | 2021-09-30 | 2023-04-11 | ダイキン工業株式会社 | ポリテトラフルオロエチレン粉末、電極用バインダー、電極合剤、電極、及び、二次電池 |
JP2023051886A (ja) * | 2021-09-30 | 2023-04-11 | ダイキン工業株式会社 | ポリテトラフルオロエチレン粉末、電極用バインダー、電極合剤、電極、及び、二次電池 |
JP2023051888A (ja) * | 2021-09-30 | 2023-04-11 | ダイキン工業株式会社 | ポリテトラフルオロエチレン粉末、電極用バインダー、電極合剤、電極、及び、二次電池 |
Also Published As
Publication number | Publication date |
---|---|
JP3295939B2 (ja) | 2002-06-24 |
CN1107090C (zh) | 2003-04-30 |
CN1137284A (zh) | 1996-12-04 |
KR960706535A (ko) | 1996-12-09 |
KR100428087B1 (ko) | 2004-09-01 |
CA2179392C (en) | 2001-05-29 |
CA2179392A1 (en) | 1996-05-02 |
US5707763A (en) | 1998-01-13 |
EP0735093B1 (en) | 2001-03-21 |
KR100201056B1 (ko) | 1999-06-15 |
EP0735093A4 (en) | 1998-05-06 |
EP0735093A1 (en) | 1996-10-02 |
DE69520426T2 (de) | 2001-10-18 |
DE69520426D1 (de) | 2001-04-26 |
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