公开(公告)号：US20140212694A1

公开(公告)日：2014-07-31

申请号：US14106981

申请日：2013-12-16

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Yo-Han PARK ,  Young-Ugk KIM ,  Seung-Uk KWON ,  Jae-Hyuk KIM ,  Soon-Sung SUH ,  Yury MATULEVICH ,  Duk-Hyoung YOON ,  Hee-Young CHU ,  Chang-Ui JEONG

IPC: H01M4/36 ,  H01M4/38

CPC classification number: H01M4/366 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387

Abstract: A composite anode active material, an anode including the composite anode active material, a lithium battery including the anode, and a method of preparing the composite anode active material, the composite anode active material including a core including a ternary alloy, the ternary alloy being capable of intercalating and deintercalating lithium; and a carbonaceous coating layer on the core.

Abstract translation: 复合负极活性物质，包含复合负极活性物质的阳极，包含阳极的锂电池，以及制备复合负极活性物质的方法，所述复合负极活性物质包括具有三元合金的核，所述三元合金为 能够嵌入和脱嵌锂; 和芯上的含碳涂层。

公开(公告)号：US20210399304A1

公开(公告)日：2021-12-23

申请号：US17350993

申请日：2021-06-17

Applicant: Samsung SDI Co., Ltd.

Inventor： Jungho LEE ,  Jaehou NAH ,  Hyun SOH ,  Inhyuk SON ,  Duk-Hyoung YOON

IPC: H01M4/60 ,  H01M4/587 ,  H01M4/38 ,  H01M4/36 ,  H01M4/133 ,  H01M4/136 ,  H01M10/0525

Abstract: A negative active material for a rechargeable lithium battery includes an amorphous carbon matrix, silicon particles dispersed in the amorphous carbon matrix, and a nitrogen-containing carbon compound protruding outward from the surface of the amorphous carbon matrix. Additional embodiments provide a method of preparing the same and a rechargeable lithium battery including the same.

公开(公告)号：US20150333315A1

公开(公告)日：2015-11-19

申请号：US14665217

申请日：2015-03-23

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Duk-Hyoung YOON ,  So-Ra LEE ,  Hye-Ri EOM

IPC: H01M4/131 ,  H01M4/62 ,  H01M4/505 ,  H01M4/38 ,  H01M4/54 ,  H01M4/525

CPC classification number: H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/366 ,  H01M4/38 ,  H01M4/386 ,  H01M4/483 ,  H01M4/525 ,  H01M4/587 ,  H01M4/622 ,  H01M4/623 ,  H01M4/624 ,  H01M4/625 ,  H01M10/052 ,  H01M2004/027 ,  H01M2220/20 ,  Y02E60/122

Abstract: A negative electrode for a lithium battery includes a current collector and a negative active material layer on at least one surface of the current collector. The negative active material layer includes a metal nanoparticle, a carbonaceous material, and a titanium-containing oxide. The density of the negative active material layer is greater than 1.5 g/cc and less than 3 g/cc.

Abstract translation: 锂电池用负极包括在集电体的至少一个表面上的集电体和负极活性物质层。 负极活性物质层包括金属纳米颗粒，含碳材料和含钛氧化物。 负极活性物质层的密度大于1.5g / cc且小于3g / cc。

公开(公告)号：US20150325843A1

公开(公告)日：2015-11-12

申请号：US14643235

申请日：2015-03-10

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Duk-Hyoung YOON ,  So-Ra LEE ,  Hye-Ri EOM

IPC: H01M4/36 ,  H01M4/485 ,  H01M4/62 ,  H02J7/00 ,  H01M10/058 ,  H01M4/04 ,  H01M4/1395 ,  H01M10/44 ,  H01M4/38 ,  H01M10/052

CPC classification number: H01M4/62 ,  H01M4/0404 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/364 ,  H01M4/366 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/485 ,  H01M4/624 ,  H01M4/625 ,  H01M10/052 ,  H01M10/058 ,  H01M10/44 ,  H01M2004/027 ,  H01M2300/004 ,  H02J7/00 ,  H02J7/0052 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011 ,  Y10T29/49117

Abstract: A negative electrode includes a current collector; and a negative active material layer on at least a surface of the current collector. The negative active material layer includes a porous matrix including lithium titanium oxide particles and metal nanoparticles that are alloyable with lithium. An average particle diameter of the lithium titanium oxide particles is at least two times greater than an average particle diameter of the metal nanoparticles.

Abstract translation: 负极包括集电体; 以及在集电体的至少表面上的负极活性物质层。 负极活性物质层包括可与锂合金化的包含二氧化钛锂颗粒和金属纳米颗粒的多孔基体。 锂二氧化钛粒子的平均粒径为金属纳米粒子的平均粒径的2倍以上。