TWI455880B - 鋰離子電池用電極材料之製造方法 - Google Patents

鋰離子電池用電極材料之製造方法 Download PDF

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TWI455880B
TWI455880B TW101138673A TW101138673A TWI455880B TW I455880 B TWI455880 B TW I455880B TW 101138673 A TW101138673 A TW 101138673A TW 101138673 A TW101138673 A TW 101138673A TW I455880 B TWI455880 B TW I455880B
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producing
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graphite material
material according
carbon material
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TW101138673A
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TW201336782A (zh
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武內正隆
上條祐一
西村嘉介
三浦隆介
深井孝行
外輪千明
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昭和電工股份有限公司
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C01B32/205—Preparation
    • 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
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/78—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by stacking-plane distances or stacking sequences
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties
    • 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
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Carbon And Carbon Compounds (AREA)

Claims (11)

  1. 一種石墨材料之製造方法，其係為了鋰離子電池用電極材料之石墨材料之製造方法，其特徵係含有藉由對碳材料流入直接電流而使其發熱予以石墨化之步驟，且石墨化前的碳材料1係壓縮成密度1.4g/cm3 時的壓密粉體電阻值為0.4Ωcm以下、安息角為20°以上50°以下、以雷射繞射法測定之體積基準的粒徑分佈中之D90為120μm以下，前述碳材料1係將有機系碳原料在800℃以上1500℃以下進行熱處理所成者，且有機系碳材料在惰性氛圍下自300℃加熱至1200℃為止時，此溫度領域中的加熱減量分為5質量%以上20質量%以下，石墨化後之碳材料2以X線繞射法所致(002)面的平均面間隔d002為0.3354nm以上0.3450nm以下，其係於石墨化之步驟中，使用陶瓷煉瓦製、上方開口之直方體狀的爐體。
  2. 如請求項1之石墨材料之製造方法，其中，(將前述石墨化後之碳材料2壓縮成密度1.4g/cm3 時的壓密粉體電阻)/(將前述石墨化前的碳材料1壓縮成密度14g/cm3 時的壓密粉體電阻)≦0.5。
  3. 如請求項1之石墨材料之製造方法，其中，前述石墨化前的碳材料1以雷射繞射法測定之體積基準的粒徑分佈中之D50為30μm以下。
  4. 如請求項1之石墨材料之製造方法，其中，前述石墨化前的碳材料1之安息角為30°以上50°以下，由鬆弛體密度與固密體密度所算出的壓縮率((固密體密度-鬆弛體密度)×100/鬆弛體密度)為20%以上50%以下。
  5. 如請求項1之石墨材料之製造方法，其中，於前述熱處理之前係進行前述有機系碳原料之粉碎處理。
  6. 如請求項1之石墨材料之製造方法，其中，前述有機系碳原料中的硫分為2質量%以下。
  7. 如請求項1之石墨材料之製造方法，其中，前述有機系碳原料係由石油瀝青、煤炭瀝青、煤炭焦炭、石油焦炭及此等之混合物所選出的1種以上。
  8. 如請求項1之石墨材料之製造方法，其中，前述石墨化前的碳材料1係含10~100,000質量ppm之硼系化合物及/或矽系化合物。
  9. 如請求項1之石墨材料之製造方法，其中，前述爐體從開口部方向看，其長邊方向之長度係短邊方向之長度的2倍以上。
  10. 如請求項1之石墨材料之製造方法，其係使通電用之電極配置於前述爐體之長邊方向的兩端面內側。
  11. 如請求項1之石墨材料之製造方法，其係於與空氣接觸的面設有阻隔氧之層。
TW101138673A 2011-10-21 2012-10-19 鋰離子電池用電極材料之製造方法 TWI455880B (zh)

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US (1) US9284192B2 (zh)
JP (4) JP5401631B2 (zh)
KR (1) KR101380730B1 (zh)
CN (1) CN103650220B (zh)
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WO (1) WO2013058347A1 (zh)

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JP2014194852A (ja) * 2013-03-28 2014-10-09 Mt Carbon Co Ltd リチウムイオン二次電池負極用の非晶質炭素材料及び黒鉛質炭素材料、それらを用いたリチウムイオン二次電池並びにリチウムイオン二次電池負極用の炭素材料の製造方法
WO2014208684A1 (ja) * 2013-06-27 2014-12-31 日本ゼオン株式会社 リチウムイオン電池用電極の製造方法
CN104681793A (zh) * 2014-12-30 2015-06-03 东莞市凯金新能源科技有限公司 一种高容量高压密锂离子电池用负极材料的制备方法
US20190207219A1 (en) * 2017-12-28 2019-07-04 Samsung Sdi Co., Ltd. Negative electrode active mass for rechargeable battery, negative electrode for rechargeable battery, and rechargeable battery
JP6884269B2 (ja) * 2018-03-30 2021-06-09 三井化学株式会社 マイクロカプセルを含む負極及びこれを備えたリチウムイオン二次電池
CN111380777A (zh) * 2018-12-28 2020-07-07 天津国安盟固利新材料科技股份有限公司 一种锂离子电池正极材料粉末压实密度的测量模具及测试方法
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WO2013058347A1 (ja) 2013-04-25
JP6352362B2 (ja) 2018-07-04
JP2017033946A (ja) 2017-02-09
US20140205532A1 (en) 2014-07-24
US9284192B2 (en) 2016-03-15
JP6035223B2 (ja) 2016-11-30
CN103650220A (zh) 2014-03-19
JP2018166106A (ja) 2018-10-25
CN103650220B (zh) 2015-10-07
KR101380730B1 (ko) 2014-04-02
JPWO2013058347A1 (ja) 2015-04-02
KR20140010181A (ko) 2014-01-23
JP5401631B2 (ja) 2014-01-29
TW201336782A (zh) 2013-09-16
JP2014053314A (ja) 2014-03-20

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