WO2010047522A3 - 전극 효율 및 에너지 밀도 특성이 개선된 양극 합제 - Google Patents

전극 효율 및 에너지 밀도 특성이 개선된 양극 합제 Download PDF

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Publication number
WO2010047522A3
WO2010047522A3 PCT/KR2009/006082 KR2009006082W WO2010047522A3 WO 2010047522 A3 WO2010047522 A3 WO 2010047522A3 KR 2009006082 W KR2009006082 W KR 2009006082W WO 2010047522 A3 WO2010047522 A3 WO 2010047522A3
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WO
WIPO (PCT)
Prior art keywords
active substance
composite material
cathode composite
cathode
phosphorus
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Application number
PCT/KR2009/006082
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English (en)
French (fr)
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WO2010047522A2 (ko
Inventor
최상훈
이용태
박홍규
박수민
길효식
박철희
Original Assignee
주식회사 엘지화학
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to JP2011533102A priority Critical patent/JP5590571B2/ja
Priority to CA2740141A priority patent/CA2740141C/en
Priority to EP09822198.9A priority patent/EP2339673B1/en
Priority to BRPI0920372-9A priority patent/BRPI0920372B1/pt
Priority to CN200980140592.4A priority patent/CN102177606B/zh
Priority to US12/709,011 priority patent/US8962185B2/en
Publication of WO2010047522A2 publication Critical patent/WO2010047522A2/ko
Publication of WO2010047522A3 publication Critical patent/WO2010047522A3/ko

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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
    • H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/37—Phosphates of heavy metals
    • 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
    • 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
    • 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
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
    • H01M2006/5094—Aspects relating to capacity ratio of electrolyte/electrodes or anode/cathode
    • 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
    • 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)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

본 발명은 화학식(1) LiFe(P1-XO4)의 조성을 갖는 양극 활물질을 포함하는 리튬 이차전지용 양극 합제로서, 상기 양극 활물질의 작동 효율을 상대적으로 낮은 작동 효율의 음극 활물질의 수준으로 평준화(leveling)시키고 양극 활물질의 에너지 밀도를 향상시킬 수 있도록, 화학식(1)에서 인(P)의 몰비(1-x)가 0.910 내지 0.999의 범위에 있는 것을 특징으로 하는 양극 합제를 제공한다. 이러한 양극 합제는 전극 활물질의 효율을 극대화할 수 있을 뿐만 아니라, 재료의 낭비를 최소화함으로써 제조 비용을 절감할 수 있다. 더욱이, 본 발명에 따라 인(P)의 몰비(1-x)가 1 미만으로 조절된 양극 활물질은 Fe2+ 및 Fe3+가 공존함으로써 인(P) 부족으로 인한 구조붕괴가 없으면서도 이온 전도도가 향상되어 레이트 특성이 우수하고 충방전시 IR drop 현상이 억제되는 등 높은 에너지 밀도를 제공하는 장점이 있다.
PCT/KR2009/006082 2008-10-22 2009-10-21 전극 효율 및 에너지 밀도 특성이 개선된 양극 합제 WO2010047522A2 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2011533102A JP5590571B2 (ja) 2008-10-22 2009-10-21 電極の効率及びエネルギー密度が改良されたカソード混合物
CA2740141A CA2740141C (en) 2008-10-22 2009-10-21 Cathode composite material with improved electrode efficiency and energy density characteristics
EP09822198.9A EP2339673B1 (en) 2008-10-22 2009-10-21 Lithium secondary battery with improved electrode efficiency and energy density characteristics
BRPI0920372-9A BRPI0920372B1 (pt) 2008-10-22 2009-10-21 Mistura de catodo contendo eficiência e densidade de energia de eletrodo melhoradas
CN200980140592.4A CN102177606B (zh) 2008-10-22 2009-10-21 具有改进的电极效率和能量密度的正极混合物
US12/709,011 US8962185B2 (en) 2008-10-22 2010-02-19 Cathode mix having improved efficiency and energy density of electrode

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20080103553 2008-10-22
KR10-2008-0103553 2008-10-22

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/709,011 Continuation US8962185B2 (en) 2008-10-22 2010-02-19 Cathode mix having improved efficiency and energy density of electrode

Publications (2)

Publication Number Publication Date
WO2010047522A2 WO2010047522A2 (ko) 2010-04-29
WO2010047522A3 true WO2010047522A3 (ko) 2010-07-29

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PCT/KR2009/006082 WO2010047522A2 (ko) 2008-10-22 2009-10-21 전극 효율 및 에너지 밀도 특성이 개선된 양극 합제

Country Status (10)

Country Link
US (1) US8962185B2 (ko)
EP (1) EP2339673B1 (ko)
JP (1) JP5590571B2 (ko)
KR (1) KR101108444B1 (ko)
CN (1) CN102177606B (ko)
BR (1) BRPI0920372B1 (ko)
CA (1) CA2740141C (ko)
RU (1) RU2454755C1 (ko)
TW (1) TWI378590B (ko)
WO (1) WO2010047522A2 (ko)

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US8980126B2 (en) 2010-10-08 2015-03-17 Semiconductor Energy Laboratory Co., Ltd. Electrode material and method for manufacturing power storage device
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WO2013047510A1 (ja) * 2011-09-29 2013-04-04 昭和電工株式会社 リチウム二次電池用正極活物質及びその製造方法
KR101345259B1 (ko) * 2011-12-20 2013-12-27 한화케미칼 주식회사 이중관식 열교환기를 사용한 전극 활물질의 제조
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Also Published As

Publication number Publication date
CN102177606B (zh) 2014-08-13
KR101108444B1 (ko) 2012-01-31
EP2339673B1 (en) 2013-10-02
WO2010047522A2 (ko) 2010-04-29
EP2339673A2 (en) 2011-06-29
US8962185B2 (en) 2015-02-24
EP2339673A4 (en) 2012-09-26
JP2012506610A (ja) 2012-03-15
BRPI0920372A2 (pt) 2016-08-09
JP5590571B2 (ja) 2014-09-17
RU2454755C1 (ru) 2012-06-27
CN102177606A (zh) 2011-09-07
KR20100044712A (ko) 2010-04-30
CA2740141A1 (en) 2010-04-29
CA2740141C (en) 2015-06-02
BRPI0920372B1 (pt) 2019-05-28
TW201031045A (en) 2010-08-16
US20100239909A1 (en) 2010-09-23
TWI378590B (en) 2012-12-01

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