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    • 7. 发明公开
    • 이차 전지용 파우치 셀의 젤리 롤
    • JELLY ROLL OF POUCH CELL二次电池
    • KR1020130047005A
    • 2013-05-08
    • KR1020110111740
    • 2011-10-31
    • 에스케이이노베이션 주식회사
    • 김규식김영석이형복
    • H01M10/02H01M10/04H01M2/10H01M2/02
    • H01M10/0431H01M2/0275H01M10/0459H01M10/052H01M10/0583H01M10/0587
    • PURPOSE: A jelly roll is provided to manufacture a battery cell with improved insulating resistance, to increase the reliability of the battery cell, and to easily electrolyte-impregnate the jelly roll. CONSTITUTION: A jelly roll of a battery cell(100) comprises a battery part(10) which has electrode plates arranged and spaced apart at a constant interval and separators located between the electrodes; a positive electrode tab(13) and a negative electrode(14) which are electrically connected to the electrode plate and protrude from the upper outside of the electrode plate; and a film(20) surrounding the battery part. The film surrounds the whole outside of the battery part to expose the positive electrode tab and the negative electrode tab. The film is formed in the shape of a tube with open top and bottom.
    • 目的:提供果冻卷以制造具有改善的绝缘电阻的电池单元,以提高电池单元的可靠性,并且容易地电解质浸渍果冻卷。 构成:电池单元(100)的果冻卷包括电池部件(10),其具有以恒定间隔布置和隔开的电极板和位于电极之间的隔板; 与电极板电连接并从电极板的上部外侧突出的正极片(13)和负极(14); 以及围绕电池部件的膜(20)。 该膜围绕电池部分的整个外部露出正极片和负极片。 该膜形成为具有开口顶部和底部的管的形状。
    • 9. 发明公开
    • 리튬 이차 전지용 양극 활물질 및 이의 제조방법
    • 用于二次电池的阴极活性材料及其制备方法
    • KR1020120026015A
    • 2012-03-16
    • KR1020110091133
    • 2011-09-08
    • 에스케이이노베이션 주식회사
    • 오성우선희영도유림이형복
    • H01M4/525C10G53/00C10G51/00H01M10/052
    • H01M4/525C01D15/02C01G51/40C01G51/42C01G53/10C01G53/40C01P2006/10C01P2006/11C01P2006/12C01P2006/40H01M4/1391H01M4/26H01M4/52H01M4/625H01M10/052H01M2004/028
    • PURPOSE: A positive electrode active material for lithium secondary battery and a manufacturing method thereof are provided to improve electrochemical characteristic and high-rate characteristic by increasing diffusion velocity of the lithium ion within the positive electrode active material structure. CONSTITUTION: A manufacturing method of positive electrode active material for lithium secondary battery comprises the following steps: manufacturing active material precursor by mixing reacting raw material including metallic aqueous solution which contains nickel source, cobalt source, and aluminum source, and ammonia solution, sucrose, and pH adjusting agent; mixing the active material precursor with lithium source; and manufacturing anodic active material which is represented by chemical formula 1: Li_(1+z)Ni_(1-x-y)Co_xAl_yO_2 by plasticizing the mixture. In the chemical formula 1, z stands for real number of 0-0.3, x stands for real number of 0.05-0.3, y stands for real number which exceeds 0 and equal to or less than 0.3, 1-x-y is real number of 0.4 to 0.95.
    • 目的:提供一种锂二次电池用正极活性物质及其制造方法,其通过增加正极活性物质结构内的锂离子的扩散速度来提高电化学特性和高速率特性。 构成:锂二次电池用正极活性物质的制造方法,包括以下步骤:通过将包含镍源,钴源和铝源的金属水溶液的原料与氨溶液,蔗糖, 和pH调节剂; 将活性物质前体与锂源混合; 并通过使混合物增塑来制造由化学式1:Li(1 + z)Ni_(1-x-y)Co_xAl_yO_2表示的阳极活性材料。 在化学式1中,z表示0-0.3的实数,x表示实数为0.05-0.3,y表示实数超过0且等于或小于0.3,1-xy是实数0.4 至0.95。