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    METHOD FOR PRODUCING CARBON MATERIAL FOR NEGATIVE ELECTRODES OF LITHIUM ION SECONDARY BATTERIES, MIXTURE FOR NEGATIVE ELECTRODES OF LITHIUM ION SECONDARY BATTERIES, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERIES, AND LITHIUM ION SECONDARY BATTERY
    1.
    发明公开
    METHOD FOR PRODUCING CARBON MATERIAL FOR NEGATIVE ELECTRODES OF LITHIUM ION SECONDARY BATTERIES, MIXTURE FOR NEGATIVE ELECTRODES OF LITHIUM ION SECONDARY BATTERIES, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERIES, AND LITHIUM ION SECONDARY BATTERY 审中-公开
    用于生产碳质材料的锂二次电池负极，MIX用于锂二次电池，负极的锂离子二次电池，锂离子二次电池的负极

    公开(公告)号：EP2822066A1

    公开(公告)日：2015-01-07

    申请号：EP13754595.0

    申请日：2013-02-26

    申请人： Sumitomo Bakelite Company Limited

    发明人： TAKEUCHI, Takeshi ,  OKUMURA, Shuhei ,  KAMATA, Toru ,  YOKOTA, Yoshimasa

    IPC分类号： H01M4/587

    CPC分类号： H01M4/587 ,  C01B32/05 ,  H01M10/052

    摘要： The present invention provides a method of producing a carbon material for lithium ion secondary battery negative electrode, the carbon material containing a plurality of carbon particles, the method comprising the steps of: preparing a resin dispersion material containing a dispersion medium and a plurality of resin particles which are substantially insoluble in the dispersion medium; ejecting a plurality of liquid droplets of the resin dispersion material using a liquid droplet ejecting method, the liquid droplets each containing the dispersion medium and at least one of the resin particles; and heat-treating the plurality of liquid droplets so that the resin particle contained in each liquid droplet is carbonized while removing the dispersion medium to thereby obtain at least one of the carbon particles from each liquid droplet.

    摘要翻译： 本发明提供制造用于锂离子二次电池负极用碳材料的方法中，含有碳颗粒的多个所述碳材料，所述方法包括如下步骤：制备含有分散介质和树脂的多个A树脂分散材料 所述颗粒在分散介质中基本上不溶的; 喷射使用液滴喷射法的树脂分散材料的液滴的多元化，液滴各自包含分散介质和树脂颗粒中的至少一者; 和热处理液滴的多元性所以没有包含在每个液滴的树脂颗粒而除去分散介质，从而获得从各液滴的碳粒子中的至少一个被碳化。