음극 활물질 및 이를 포함하는 이차전지
    2.
    发明公开
    음극 활물질 및 이를 포함하는 이차전지 审中-实审
    负极电极活性材料和二次电池,包括它们

    公开(公告)号:KR1020130067199A

    公开(公告)日:2013-06-21

    申请号:KR1020120027379

    申请日:2012-03-16

    摘要: PURPOSE: A negative electrode active material is provided to maintain high capacity and to have excellent battery lifetime, by having a small volume expansion in charging and discharging process. CONSTITUTION: A negative electrode active material contains 66 at% or more of Si. A part of the Si includes crystalline Si-metal alloy. The crystalline Si has a crystal particle size of 30 nm. A secondary battery includes a case; an electrode assembly which is accommodated in the case and includes a negative electrode, positive electrode, and a separator between the electrodes; and an electrode assembly including the non-aqueous electrolyte. The negative electrode includes the negative electrode active material.

    摘要翻译: 目的:通过在充放电过程中具有小的体积膨胀来提供负极活性材料以保持高容量并具有优异的电池寿命。 构成:负极活性物质含有66原子%以上的Si。 Si的一部分包括晶体Si-金属合金。 晶体Si的结晶粒径为30nm。 二次电池包括壳体; 容纳在壳体中并且包括负极,正极和电极之间的隔膜的电极组件; 以及包括非水电解质的电极组件。 负极包括负极活性物质。

    리튬 이차 전지용 전극, 그 제조방법 및 이를 이용한 리튬 이차 전지
    4.
    发明公开
    리튬 이차 전지용 전극, 그 제조방법 및 이를 이용한 리튬 이차 전지 审中-实审
    用于锂二次电池的电极及其制造方法和包含该电池的锂二次电池

    公开(公告)号:KR1020130096139A

    公开(公告)日:2013-08-29

    申请号:KR1020120095170

    申请日:2012-08-29

    摘要: PURPOSE: An electrode for a lithium secondary battery is provided to manufacture a lithium secondary battery with improved efficiency, capacity maintenance, and lifetime by effectively conducting an impregnation with an electrolyte solution. CONSTITUTION: An electrode for a lithium secondary battery includes a silicon-based alloy, has a surface roughness of 1-10 micron, and has a surface roughness deviation of 5 micron or lower. The silicon content of the silicon-based alloy is 60-72 atom%. The alloy for the silicon-based alloy includes active silicon and non-aqueous silicon. The content of the active silicon is 40-80 atom% based on the total content of the active silicon and non-aqueous silicon. A lithium secondary battery includes a first electrode including the electrode, a second electrode, and an electrolyte. [Reference numerals] (AA,BB) Electrolyte solution

    摘要翻译: 目的:提供一种用于锂二次电池的电极,通过有效地进行电解质溶液的浸渍来制造具有提高的效率,容量维持和寿命的锂二次电池。 构成:锂二次电池用电极包括硅系合金,表面粗糙度为1-10微米,表面粗糙度偏差为5微米以下。 硅基合金的硅含量为60-72原子%。 用于硅基合金的合金包括活性硅和非水硅。 活性硅的含量相对于活性硅和非水硅的总含量为40-80原子%。 锂二次电池包括包括电极,第二电极和电解质的第一电极。 (附图标记)(AA,BB)电解液