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    ROTARY KILN
    2.
    发明公开
    ROTARY KILN 审中-公开

    公开(公告)号：EP4212809A1

    公开(公告)日：2023-07-19

    申请号：EP21889439.2

    申请日：2021-10-22

    申请人： Lg Chem, Ltd.

    发明人： YOON, Jong Seol ,  NHO, Jun Seok ,  RYOO, Chang Seok ,  KIM, Dong Hwan ,  SEONG, Eun Kyu ,  OH, Myoung Hwan ,  KO, Young Min

    IPC分类号： F27B7/08 ,  F27B7/10 ,  F27B7/16 ,  F27D99/00

    摘要： A rotary kiln of the present invention comprises: a calcining device including a cylindrical rotating tube which mixes input powdered raw materials while rotating in a horizontal direction; an external heating device for heating the powdered raw materials input to the rotating tube, by heating the outside of the rotating tube; and an internal heating device for simultaneously heating and stirring the powdered raw materials input to the rotating tube, wherein the internal heating device comprises: a microwave generating unit for generating microwaves; a guide unit for guiding the microwaves generated by the microwave generating unit into the rotating tube; and a stirring heating unit which is coupled to the inner circumferential surface of the rotating tube, and stirs the powdered raw materials input to the rotating tube, and at the same time, heats the powdered raw materials while generating heat when the microwaves are absorbed.

    CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND CATHODE FOR LITHIUM SECONDARY BATTERY COMPRISING SAME
    5.
    发明公开
    CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND CATHODE FOR LITHIUM SECONDARY BATTERY COMPRISING SAME 有权
    用于二次电池的阴极活性材料，其制备方法以及用于包含该二次电池的锂二次电池的阴极

    公开(公告)号：EP2879214A1

    公开(公告)日：2015-06-03

    申请号：EP14827702.3

    申请日：2014-09-30

    申请人： LG Chem, Ltd.

    发明人： LEE, Dong Kwon ,  CHO, Seung Beom ,  NHO, Jun Seok ,  JANG, Wook

    IPC分类号： H01M4/485 ,  H01M4/525 ,  H01M4/505 ,  H01M4/131 ,  H01M10/052

    CPC分类号： H01M4/525 ,  H01M4/0471 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/5825 ,  H01M10/052

    摘要： Provided are a cathode active material for a secondary battery, a method of manufacturing the same, and a cathode for a secondary battery including the cathode active material. Specifically, the present invention relates to a cathode active material including a lithium-containing transition metal oxide and two or more metal composite oxide layers selected from the group consisting of Chemical Formulae 1 to 3 which are coated on the surface of the lithium-containing transition metal oxide, a method of manufacturing the same, and a cathode for a secondary battery including the cathode active material,

            [Chemical Formula 1]     M(C 2 H 5 O 2 ) n

            [Chemical Formula 2]     M (C 6 H (8-n) O 7 )

            [Chemical Formula 3]     M(C 6 H (8-n) O 7 ) (C 2 H 5 O 2 )

    (where M, as a metal desorbed from a metal precursor, represents at least one metal selected from the group consisting of Mg, Ca, Sr, Ba, Y, Ti, Zr, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co, Ir, Ni, Zn, Al, Ga, In, Si, Ge, Sn, La, and Ce, and n is an integer between 1 and 4).

    摘要翻译： 本发明提供一种二次电池用正极活性物质及其制造方法以及使用该正极活性物质的二次电池用正极。 具体而言，本发明涉及包含含锂过渡金属氧化物和选自由化学式1至3组成的组中的两种或更多种金属复合氧化物层的正极活性材料，所述金属复合氧化物层涂覆在含锂转变体的表面上 （化学式1）M（C 2 H 5 O 2）n [化学式2] M（C 6 H（8-n）O 7）[化学式1] [化学式1] 式3] M（C 6 H（8-n）O 7）（C 2 H 5 O 2）（其中M作为从金属前体解吸的金属表示选自Mg，Ca，Sr，Ba，Y， Ti，Zr，V，Nb，Ta，Cr，Mo，W，Mn，Fe，Co，Ir，Ni，Zn，Al，Ga，In，Si，Ge，Sn，La和Ce， 在1和4之间）。