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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PCT/JP2008/003430
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English (en)
French (fr)
Inventor
Tetsuo Nanno
Tooru Matsui
Hiroshi Yoshizawa
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Panasonic Corporation
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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

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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

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 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
JP2007-323907 2007-12-14
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

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WO2009078125A1 true WO2009078125A1 (ja) 2009-06-25

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

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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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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
JP6079238B2 (ja) * 2011-12-02 2017-02-15 三菱レイヨン株式会社 非水二次電池電極用バインダ樹脂、非水二次電池電極用バインダ樹脂組成物、非水二次電池電極用スラリー組成物、非水二次電池用電極、非水二次電池
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
CN104620425B (zh) * 2012-09-03 2017-12-01 日本贵弥功株式会社 锂离子二次电池用电极材料、该电极材料的制造方法、及锂离子二次电池
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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
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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
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EP4053080A4 (en) * 2019-10-29 2022-12-28 Panasonic Intellectual Property Management Co., Ltd. POSITIVE ACTIVE ELECTRODE MATERIAL FOR A SECONDARY BATTERY AND SECONDARY BATTERY
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
WO2022133837A1 (zh) * 2020-12-23 2022-06-30 东莞新能源科技有限公司 电化学装置以及电子装置
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KR20200035447A (ko) 2017-11-14 2020-04-03 아사히 가세이 가부시키가이샤 정극 도공액, 정극 전구체, 및 비수계 리튬 축전 소자
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JP2009146788A (ja) 2009-07-02
JP5188795B2 (ja) 2013-04-24
CN101611508B (zh) 2011-12-21
US20100040949A1 (en) 2010-02-18
CN101611508A (zh) 2009-12-23

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