公开(公告)号：US10218003B2

公开(公告)日：2019-02-26

申请号：US15091517

申请日：2016-04-05

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Youngeun Kim ,  Eunjung Kim ,  Sangwoon Yang ,  In Kim

IPC: H01M4/62 ,  H01M10/0525 ,  H01M4/13 ,  H01M4/04 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/36 ,  H01M4/587 ,  H01M4/02 ,  H01M10/052

Abstract: An anode and a secondary battery including the anode, which can improve charge and discharge efficiency and can reduce or suppress precipitation of metal ions, are provided. The anode includes a negative electrode active material layer on a current collector, the negative electrode active material layer including a negative electrode active material, a binder, and a conductive material. The negative electrode active material includes at least one pore on a surface thereof, and the conductive material is located at the pore of the negative electrode active material.

公开(公告)号：US20160049643A1

公开(公告)日：2016-02-18

申请号：US14821626

申请日：2015-08-07

Applicant: SAMSUNG SDI CO., LTD.

Inventor： In Kim ,  Eunjung Kim ,  Sangwoon Yang ,  Jongbum Lee ,  Youngeun Kim ,  Jaekyung Kim

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/587 ,  H01M4/62 ,  H01M4/525 ,  H01M4/505 ,  H01M4/485 ,  H01M4/133 ,  H01M4/131

CPC classification number: H01M4/364 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/19 ,  C01P2006/40 ,  C09C1/44 ,  C09C1/46 ,  H01M4/131 ,  H01M4/133 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M4/623 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/44 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2220/20 ,  H01M2300/004 ,  Y02E60/122 ,  Y02P70/54

Abstract: A cathode material includes a cathode active material; and a carbon material of secondary particles including a plurality of primary particles, where the carbon material of the secondary particles has an average chain length that is equal to or less than 50 primary particles coupled to each other. A cathode includes the cathode material and a current collector. A lithium battery includes the cathode.

Abstract translation: 正极材料包括阴极活性材料; 以及包含多个一次粒子的二次粒子的碳材料，其中二次粒子的碳材料具有等于或小于50个一次粒子的平均链长度。 阴极包括阴极材料和集电器。 锂电池包括阴极。

公开(公告)号：US20160293961A1

公开(公告)日：2016-10-06

申请号：US15091517

申请日：2016-04-05

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Youngeun Kim ,  Eunjung Kim ,  Sangwoon Yang ,  In Kim

IPC: H01M4/62 ,  H01M10/0525 ,  H01M4/13

CPC classification number: H01M4/625 ,  H01M4/0404 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/364 ,  H01M4/587 ,  H01M10/052 ,  H01M2004/021

Abstract: An anode and a secondary battery including the anode, which can improve charge and discharge efficiency and can reduce or suppress precipitation of metal ions, are provided. The anode includes a negative electrode active material layer on a current collector, the negative electrode active material layer including a negative electrode active material, a binder, and a conductive material. The negative electrode active material includes at least one pore on a surface thereof, and the conductive material is located at the pore of the negative electrode active material.

Abstract translation: 提供了包括阳极的阳极和二次电池，其可以提高充放电效率并且可以减少或抑制金属离子的沉淀。 阳极包括集电体上的负极活性物质层，负极活性物质层包含负极活性物质，粘合剂和导电性材料。 负极活性物质在其表面具有至少一个孔，导电性材料位于负极活性物质的孔内。