WO2010047552A3 - 전극 효율 및 에너지 밀도 특성이 개선된 양극 활물질 - Google Patents

전극 효율 및 에너지 밀도 특성이 개선된 양극 활물질 Download PDF

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Publication number
WO2010047552A3
WO2010047552A3 PCT/KR2009/006141 KR2009006141W WO2010047552A3 WO 2010047552 A3 WO2010047552 A3 WO 2010047552A3 KR 2009006141 W KR2009006141 W KR 2009006141W WO 2010047552 A3 WO2010047552 A3 WO 2010047552A3
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WIPO (PCT)
Prior art keywords
active material
electrode active
positive electrode
energy density
density characteristics
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PCT/KR2009/006141
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English (en)
French (fr)
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WO2010047552A2 (ko
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최상훈
이용태
박홍규
박수민
길효식
박철희
이지은
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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 CA2741081A priority Critical patent/CA2741081C/en
Priority to CN200980141394.XA priority patent/CN102187502B/zh
Priority to JP2011533110A priority patent/JP5474991B2/ja
Priority to US13/124,421 priority patent/US8974957B2/en
Priority to EP09822228.4A priority patent/EP2339675B1/en
Priority to BRPI0919658-7A priority patent/BRPI0919658B1/pt
Publication of WO2010047552A2 publication Critical patent/WO2010047552A2/ko
Publication of WO2010047552A3 publication Critical patent/WO2010047552A3/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
    • 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
    • C01B25/45—Phosphates containing plural metal, or metal and ammonium
    • 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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • 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
    • H01M4/62—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
    • 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)

Abstract

본 발명은 화학식(1)인 LiFe(P1-XO4) (인(P)의 몰비(1-x)가 0.910 ~ 0.999의 범위에 있음)의 조성을 가진 양극 활물질을 제공하는 바, 이러한 양극 활물질은 그것의 작동 효율을 상대적으로 낮은 작동 효율의 음극 활물질의 수준으로 평준화(leveling)시키고 양극 활물질의 에너지 밀도를 향상시킬 수 있다. 또한, 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/KR2009/006141 2008-10-22 2009-10-22 전극 효율 및 에너지 밀도 특성이 개선된 양극 활물질 WO2010047552A2 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA2741081A CA2741081C (en) 2008-10-22 2009-10-22 Cathode active material providing improved efficiency and energy density of electrode
CN200980141394.XA CN102187502B (zh) 2008-10-22 2009-10-22 具有改善的电极效率和能量密度的正极活性材料
JP2011533110A JP5474991B2 (ja) 2008-10-22 2009-10-22 電極の効率及びエネルギー密度を改良するカソード活性材料
US13/124,421 US8974957B2 (en) 2008-10-22 2009-10-22 Cathode active material providing improved efficiency and energy density of electrode
EP09822228.4A EP2339675B1 (en) 2008-10-22 2009-10-22 Positive electrode active material with enhanced electrode efficiency and energy density characteristics
BRPI0919658-7A BRPI0919658B1 (pt) 2008-10-22 2009-10-22 Material ativo de cátodo, mistura de cátodo, cátodo para baterias secundárias e bateria secundária de lítio

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20080103569 2008-10-22
KR20080103562 2008-10-22
KR10-2008-0103569 2008-10-22
KR10-2008-0103553 2008-10-22
KR20080103553 2008-10-22
KR10-2008-0103562 2008-10-22

Publications (2)

Publication Number Publication Date
WO2010047552A2 WO2010047552A2 (ko) 2010-04-29
WO2010047552A3 true WO2010047552A3 (ko) 2010-08-05

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PCT/KR2009/006141 WO2010047552A2 (ko) 2008-10-22 2009-10-22 전극 효율 및 에너지 밀도 특성이 개선된 양극 활물질

Country Status (8)

Country Link
US (1) US8974957B2 (ko)
EP (1) EP2339675B1 (ko)
JP (2) JP5474991B2 (ko)
KR (1) KR101128663B1 (ko)
CN (2) CN104201379B (ko)
BR (1) BRPI0919658B1 (ko)
CA (1) CA2741081C (ko)
WO (1) WO2010047552A2 (ko)

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Also Published As

Publication number Publication date
CN104201379B (zh) 2017-09-15
BRPI0919658B1 (pt) 2020-10-06
KR101128663B1 (ko) 2012-03-23
KR20100044727A (ko) 2010-04-30
JP2012506611A (ja) 2012-03-15
JP5474991B2 (ja) 2014-04-16
CN102187502A (zh) 2011-09-14
CN104201379A (zh) 2014-12-10
CN102187502B (zh) 2014-07-09
CA2741081A1 (en) 2010-04-29
US20110287315A1 (en) 2011-11-24
CA2741081C (en) 2014-07-15
EP2339675A4 (en) 2012-09-26
EP2339675A2 (en) 2011-06-29
BRPI0919658A2 (pt) 2019-10-15
WO2010047552A2 (ko) 2010-04-29
JP5803020B2 (ja) 2015-11-04
EP2339675B1 (en) 2013-10-02
US8974957B2 (en) 2015-03-10
JP2014063752A (ja) 2014-04-10

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