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WO2009078125A1 - リチウム二次電池用正極形成用塗工液、リチウム二次電池用正極およびリチウム二次電池 - Google Patents

リチウム二次電池用正極形成用塗工液、リチウム二次電池用正極およびリチウム二次電池 Download PDF

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Publication number
WO2009078125A1
WO2009078125A1 PCT/JP2008/003430 JP2008003430W WO2009078125A1 WO 2009078125 A1 WO2009078125 A1 WO 2009078125A1 JP 2008003430 W JP2008003430 W JP 2008003430W WO 2009078125 A1 WO2009078125 A1 WO 2009078125A1
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WIPO (PCT)
Prior art keywords
particle diameter
rechargeable battery
lithium rechargeable
positive electrode
coating liquid
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Ceased
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PCT/JP2008/003430
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English (en)
French (fr)
Inventor
Tetsuo Nanno
Tooru Matsui
Hiroshi Yoshizawa
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Panasonic Corp
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Panasonic Corp
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Priority to US12/521,964 priority Critical patent/US20100040949A1/en
Priority to CN2008800049824A priority patent/CN101611508B/zh
Publication of WO2009078125A1 publication Critical patent/WO2009078125A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • 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
    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • 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
    • 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
    • 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
    • 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 & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

　本発明のリチウム二次電池用正極形成用塗工液は、平均粒径１～２０μｍの大粒径活物質と、平均粒径５～１００ｎｍの小粒径活物質とを、その配合比が容積基準で９０：１０～５０：５０になるように含有し、かつ平均粒径比（大粒径活物質の平均粒径／小粒径活物質の平均粒径）が５０～５００である。この塗工液は長期間の保存安定性に優れ、活物質の高密度充填が可能なので、この塗工液を用いて正極を作製すれば、エネルギー密度および容量の高いリチウム二次電池が得られる。
PCT/JP2008/003430 2007-12-14 2008-11-21 リチウム二次電池用正極形成用塗工液、リチウム二次電池用正極およびリチウム二次電池 Ceased WO2009078125A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/521,964 US20100040949A1 (en) 2007-12-14 2008-11-21 Coating liquid for use in formation of positive electrode for lithium secondary battery, positive electrode for lithium secondary battery, and lithium secondary battery
CN2008800049824A CN101611508B (zh) 2007-12-14 2008-11-21 锂二次电池用正极形成用涂布液、锂二次电池用正极及锂二次电池

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007323907A JP5188795B2 (ja) 2007-12-14 2007-12-14 リチウム二次電池用正極形成用塗工液、リチウム二次電池用正極およびリチウム二次電池
JP2007-323907 2007-12-14

Publications (1)

Publication Number Publication Date
WO2009078125A1 true WO2009078125A1 (ja) 2009-06-25

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PCT/JP2008/003430 Ceased WO2009078125A1 (ja) 2007-12-14 2008-11-21 リチウム二次電池用正極形成用塗工液、リチウム二次電池用正極およびリチウム二次電池

Country Status (4)

Country Link
US (1) US20100040949A1 (ja)
JP (1) JP5188795B2 (ja)
CN (1) CN101611508B (ja)
WO (1) WO2009078125A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019098197A1 (ja) 2017-11-14 2019-05-23 旭化成株式会社 正極塗工液、正極前駆体、及び非水系リチウム蓄電素子

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US20090006229A1 (en) * 2007-06-28 2009-01-01 Embarq Holdings Company, Llc System and method for telephony billing codes
JP6003015B2 (ja) * 2011-06-24 2016-10-05 ソニー株式会社 リチウムイオン二次電池、リチウムイオン二次電池用負極、電池パック、電動車両、電力貯蔵システム、電動工具および電子機器
JP2013109931A (ja) * 2011-11-18 2013-06-06 Toyota Motor Corp 非水電解質二次電池用の電極、及び非水電解質二次電池
KR20140110893A (ko) * 2011-12-02 2014-09-17 미쯔비시 레이온 가부시끼가이샤 비수 이차 전지 전극용 바인더 수지, 비수 이차 전지 전극용 바인더 수지 조성물, 비수 이차 전지 전극용 슬러리 조성물, 비수 이차 전지용 전극, 및 비수 이차 전지
JP5953827B2 (ja) * 2012-03-02 2016-07-20 三菱レイヨン株式会社 二次電池用電極合剤、その製造方法、二次電池用電極の製造方法、および二次電池の製造方法
KR101411226B1 (ko) * 2012-04-03 2014-06-23 삼성정밀화학 주식회사 리튬이온 이차전지용 리튬망간산화물 양극활물질 및 그것을 포함하는 리튬이온 이차전지
JP5273274B1 (ja) 2012-04-27 2013-08-28 東洋インキＳｃホールディングス株式会社 リチウム二次電池電極形成用組成物、二次電池用電極
WO2013191179A1 (ja) * 2012-06-21 2013-12-27 Ａｇｃセイミケミカル株式会社 リチウムイオン二次電池用正極活物質及びその製造方法
JP6236006B2 (ja) * 2012-09-03 2017-11-22 日本ケミコン株式会社 リチウムイオン二次電池用電極材料、この電極材料の製造方法、及びリチウムイオン二次電池
KR102219706B1 (ko) * 2013-02-04 2021-02-23 제온 코포레이션 리튬 이온 2 차 전지 정극용 슬러리
JP2014154363A (ja) * 2013-02-08 2014-08-25 Toyota Motor Corp 非水電解液二次電池，非水電解液二次電池の正極板の製造方法，および非水電解液二次電池の製造方法
WO2014141552A1 (ja) * 2013-03-15 2014-09-18 Ｎｅｃエナジーデバイス株式会社 負極製造用ペーストの製造方法、リチウムイオン二次電池用負極の製造方法、リチウムイオン二次電池用負極およびリチウムイオン二次電池
JP6064752B2 (ja) * 2013-04-02 2017-01-25 トヨタ自動車株式会社 非水電解質二次電池の電極板の製造方法，非水電解質二次電池の電極体の製造方法，および非水電解質二次電池の製造方法
WO2016147856A1 (ja) * 2015-03-13 2016-09-22 ヤマハ発動機株式会社 非水電解液二次電池用正極活物質およびその製造方法、前記正極活物質を含む電池、ならびに電池の充放電方法
DE102016217390A1 (de) * 2016-09-13 2018-03-15 Robert Bosch Gmbh Elektrode mit lokalen Porositätsunterschieden, Verfahren zur Herstellung einer solchen Elektrode und deren Verwendung
JP6424934B1 (ja) * 2017-09-28 2018-11-21 住友大阪セメント株式会社 リチウムイオン二次電池用正極材料、リチウムイオン二次電池用正極、リチウムイオン二次電池
JP6929186B2 (ja) * 2017-10-10 2021-09-01 日産自動車株式会社 電池用電極の製造方法
JP6936959B2 (ja) * 2017-12-12 2021-09-22 トヨタ自動車株式会社 正極合材、正極活物質層、全固体電池および正極活物質層の製造方法
US20220352513A1 (en) 2019-09-30 2022-11-03 Panasonic Intellectual Property Management Co., Ltd. Positive electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery
JP7595308B2 (ja) * 2019-10-29 2024-12-06 パナソニックＩｐマネジメント株式会社 二次電池用の正極活物質、及び二次電池
CN114068919A (zh) * 2020-08-06 2022-02-18 比亚迪股份有限公司 磷酸铁锂正极活性材料及其制备方法、正极片及电池
JP6870770B1 (ja) * 2020-08-31 2021-05-12 日本ゼオン株式会社 電気化学素子用導電材分散液、電気化学素子電極用スラリー、電気化学素子用電極及び電気化学素子
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JP7320010B2 (ja) * 2021-03-12 2023-08-02 プライムプラネットエナジー＆ソリューションズ株式会社 二次電池用電極の製造方法および電極ならびに該電極を備える二次電池
JP7229289B2 (ja) * 2021-03-12 2023-02-27 プライムプラネットエナジー＆ソリューションズ株式会社 二次電池用電極の製造方法
CN113422049A (zh) * 2021-06-25 2021-09-21 湖北亿纬动力有限公司 一种磷酸铁锂正极极片及其制备方法和应用
WO2025056564A1 (en) * 2023-09-15 2025-03-20 Specialty Operations France Adhesion promoter in electrode of solid-state battery

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Publication number Priority date Publication date Assignee Title
WO2019098197A1 (ja) 2017-11-14 2019-05-23 旭化成株式会社 正極塗工液、正極前駆体、及び非水系リチウム蓄電素子
KR20200035447A (ko) 2017-11-14 2020-04-03 아사히 가세이 가부시키가이샤 정극 도공액, 정극 전구체, 및 비수계 리튬 축전 소자
US11942621B2 (en) 2017-11-14 2024-03-26 Asahi Kasei Kabushiki Kaisha Positive electrode coating liquid, positive electrode precursor, and nonaqueous lithium electric storage element

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JP5188795B2 (ja) 2013-04-24
CN101611508A (zh) 2009-12-23
CN101611508B (zh) 2011-12-21
JP2009146788A (ja) 2009-07-02
US20100040949A1 (en) 2010-02-18

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