公开(公告)号：US10964937B2

公开(公告)日：2021-03-30

申请号：US16137863

申请日：2018-09-21

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Heechul Jung ,  Woojin Bae ,  Guesung Kim ,  Koichi Takei ,  Seongho Jeon ,  Sungsoo Han

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/137 ,  H01M4/38 ,  H01M4/04 ,  H01M4/583 ,  H01M4/134 ,  H01M4/62 ,  H01M4/139 ,  H01M4/02

Abstract: A negative active material including an active material core; and a polymer layer disposed on a surface of the active material core, wherein the polymer layer includes a third polymer including a cross-linked product of a first polymer and a second polymer, wherein the first polymer is at least one of polyamic acid, polyimide, or a combination thereof, and includes a first functional group; and the second polymer is water-soluble and includes a second functional group, and wherein the first polymer and the second polymer are cross-linked by an ester bond that is formed through at least one reaction starting from the first functional group and the second functional group, and at least one of the first polymer and the second polymer further includes a halogen group.

公开(公告)号：US10249874B2

公开(公告)日：2019-04-02

申请号：US15072565

申请日：2016-03-17

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Guesung Kim ,  Jinsoo Mun ,  Heechul Jung

IPC: H01M4/36 ,  H01M4/58 ,  H01M4/04 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/38 ,  H01M4/587 ,  H01M4/62 ,  H01M4/66 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0587 ,  H01M10/052 ,  H01M4/02

Abstract: A composite negative active material including: a silicon-containing negative active material; and a non-metal doped metal phosphate, wherein the non-metal doped metal phosphate includes two or more metals. Also a negative electrode including the composite negative active material, and a lithium secondary battery including the negative electrode

公开(公告)号：US20150093644A1

公开(公告)日：2015-04-02

申请号：US14499408

申请日：2014-09-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dongwook Han ,  Seoksoo Lee ,  Guesung Kim ,  Ryounghee Kim ,  Kwangjin Park ,  Wonseok Chang

IPC: H01M4/505 ,  H01M10/054 ,  H01M4/38 ,  H01M4/525

CPC classification number: H01M4/505 ,  C01G45/1228 ,  C01P2002/76 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/525 ,  H01M10/054 ,  H01M2220/30

Abstract: A sodium manganese composite oxide represented by Formula 1: NaxMayMnzMbvO2+d   Formula 1 wherein, 0.2≦x≦1, 0

Abstract translation: 由式1表示的钠锰复合氧化物：NaxMayMnzMbvO2 + d式1其中，0.2＆nlE; x＆lt; lE; 1,0

公开(公告)号：US20130101901A1

公开(公告)日：2013-04-25

申请号：US13711033

申请日：2012-12-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yoonsok KANG ,  Joungwon Park ,  Guesung Kim ,  Jaegu Yoon

IPC: H01M4/485 ,  H01M4/525 ,  H01M4/131

CPC classification number: H01M4/485 ,  C01B25/37 ,  C01G23/005 ,  C01G45/1228 ,  C01G45/1242 ,  C01G51/42 ,  C01G51/50 ,  C01G53/42 ,  C01G53/50 ,  C01G53/54 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052

Abstract: A lithium-transition metal complex compound has an nth order hierarchical structure in which n type structures represented by at least one unit of ath order units in a range of 1×10-(a+5) m to 10×10-(a+5) m exist in a complex form, wherein n is a natural number that is 2 or greater, and a is a natural number in a range of 1 to 5. The lithium-transition metal complex may be prepared by heat-treating a mixture including a lithium source, a transition metal source, and solvent in contact with a natural material having a hierarchical structure. A lithium battery includes an electrode including the lithium-transition metal complex compound having the nth order hierarchical structure. The lithium battery can have improved rapid charging characteristics, high power characteristics, and cycle characteristics.

Abstract translation: 锂 - 过渡金属络合物具有n阶分级结构，其中以1×10-（a + 5）μm至10×10-（a + 5）范围内的至少一个单位的顺序单位表示的n型结构， 5）以复合形式存在，其中n为2以上的自然数，a为1〜5的自然数。锂 - 过渡金属络合物可以通过将混合物热处理 包括锂源，过渡金属源和与具有分层结构的天然材料接触的溶剂。 锂电池包括具有n阶分层结构的具有锂 - 过渡金属络合物的电极。 锂电池可以具有改善的快速充电特性，高功率特性和循环特性。

公开(公告)号：US10305090B2

公开(公告)日：2019-05-28

申请号：US15080773

申请日：2016-03-25

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Guesung Kim

IPC: H01M4/131 ,  H01M4/04 ,  H01M10/0525 ,  H01M4/1315 ,  H01M4/36 ,  H01M4/48 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525 ,  H01M4/56 ,  C01G53/00 ,  H01M4/133 ,  H01M4/134 ,  H01M4/38 ,  H01M4/485 ,  H01M4/583 ,  H01M4/587

Abstract: A composite electrode active material including: a core, which is capable of intercalating and deintercalating lithium; and a surface treatment layer disposed on the core, wherein the surface treatment layer comprises a lithium-free oxide that has a spinel structure and includes a dopant, wherein the dopant includes at least one selected from fluorine, sulfur, nitrogen, boron, and phosphorous.

公开(公告)号：US10050264B2

公开(公告)日：2018-08-14

申请号：US15072547

申请日：2016-03-17

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Guesung Kim ,  Jinsoo Mun ,  Heechul Jung

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/38 ,  H01M4/58 ,  H01M4/587 ,  H01M4/60 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/052 ,  H01M4/02

CPC classification number: H01M4/366 ,  H01M4/0402 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/0471 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/364 ,  H01M4/386 ,  H01M4/582 ,  H01M4/587 ,  H01M4/604 ,  H01M4/622 ,  H01M4/625 ,  H01M4/628 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/027 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0034 ,  H01M2300/004 ,  Y02T10/7011

Abstract: A composite negative active material, and a negative electrode and a lithium secondary battery that include the composite negative active material, and a method of preparing the composite negative active material are disclosed. The composite negative active material includes: a core including a silicon material and a coating layer disposed on the core, wherein the coating layer includes a water-insoluble polymer composite in which at least one anionic component is chemically bonded to a water-soluble polymer, thereby improving lifespan characteristics of the composite negative active material.

公开(公告)号：US20170092940A1

公开(公告)日：2017-03-30

申请号：US15072565

申请日：2016-03-17

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Guesung Kim ,  Jinsoo Mun ,  Heechul Jung

IPC: H01M4/36 ,  H01M4/1395 ,  H01M4/66 ,  H01M4/04 ,  H01M10/0525 ,  H01M4/58 ,  H01M10/0587 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/62 ,  H01M4/587 ,  H01M4/134 ,  H01M4/38

CPC classification number: H01M4/366 ,  H01M4/0402 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/0471 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/364 ,  H01M4/38 ,  H01M4/382 ,  H01M4/386 ,  H01M4/582 ,  H01M4/5825 ,  H01M4/587 ,  H01M4/622 ,  H01M4/625 ,  H01M4/661 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0587 ,  H01M2004/027 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0034 ,  H01M2300/004

Abstract: A composite negative active material including: a silicon-containing negative active material; and a non-metal doped metal phosphate, wherein the non-metal doped metal phosphate includes two or more metals. Also a negative electrode including the composite negative active material, and a lithium secondary battery including the negative electrode

公开(公告)号：US20170092932A1

公开(公告)日：2017-03-30

申请号：US15080773

申请日：2016-03-25

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Guesung Kim

IPC: H01M4/131 ,  H01M4/36 ,  H01M4/1315 ,  H01M4/525 ,  H01M4/48 ,  H01M4/505 ,  H01M4/50 ,  H01M4/04 ,  H01M4/56 ,  H01M10/0525 ,  H01M4/52

CPC classification number: H01M4/131 ,  C01G53/00 ,  C01G53/006 ,  C01P2002/32 ,  C01P2002/50 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/85 ,  C01P2004/80 ,  C01P2004/84 ,  H01M4/1315 ,  H01M4/133 ,  H01M4/134 ,  H01M4/366 ,  H01M4/382 ,  H01M4/386 ,  H01M4/483 ,  H01M4/485 ,  H01M4/502 ,  H01M4/523 ,  H01M4/56 ,  H01M4/583 ,  H01M4/587 ,  H01M10/0525 ,  Y02T10/7011

Abstract: A composite electrode active material including: a core, which is capable of intercalating and deintercalating lithium; and a surface treatment layer disposed on the core, wherein the surface treatment layer comprises a lithium-free oxide that has a spinel structure and includes a dopant, wherein the dopant includes at least one selected from fluorine, sulfur, nitrogen, boron, and phosphorous.

公开(公告)号：US09728781B2

公开(公告)日：2017-08-08

申请号：US14499408

申请日：2014-09-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dongwook Han ,  Seoksoo Lee ,  Guesung Kim ,  Ryounghee Kim ,  Kwangjin Park ,  Wonseok Chang

IPC: H01M4/505 ,  H01M10/054 ,  C01G45/12 ,  H01M4/525 ,  H01M4/485

CPC classification number: H01M4/505 ,  C01G45/1228 ,  C01P2002/76 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/525 ,  H01M10/054 ,  H01M2220/30

Abstract: A sodium manganese composite oxide represented by Formula 1: NaxMayMnzMbvO2+d  Formula 1 wherein, 0.2≦x≦1, 0

公开(公告)号：US20170092939A1

公开(公告)日：2017-03-30

申请号：US15072547

申请日：2016-03-17

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Guesung Kim ,  Jinsoo Mun ,  Heechul Jung

IPC: H01M4/36 ,  H01M4/60 ,  H01M4/58 ,  H01M4/587 ,  H01M10/0569 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/04 ,  H01M10/0525 ,  H01M10/0568 ,  H01M4/38 ,  H01M4/62

CPC classification number: H01M4/366 ,  H01M4/0402 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/0471 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/364 ,  H01M4/386 ,  H01M4/582 ,  H01M4/587 ,  H01M4/604 ,  H01M4/622 ,  H01M4/625 ,  H01M4/628 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/027 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0034 ,  H01M2300/004

Abstract: A composite negative active material, and a negative electrode and a lithium secondary battery that include the composite negative active material, and a method of preparing the composite negative active material are disclosed. The composite negative active material includes: a core including a silicon material and a coating layer disposed on the core, wherein the coating layer includes a water-insoluble polymer composite in which at least one anionic component is chemically bonded to a water-soluble polymer, thereby improving lifespan characteristics of the composite negative active material.