公开(公告)号：US20160181593A1

公开(公告)日：2016-06-23

申请号：US14907659

申请日：2014-08-06

Applicant: LG CHEM, LTD

Inventor： Joo Hong Jin ,  Dae Jin Lee ,  Sun Sik Shin ,  Woo Yeon Kong ,  Wang Mo Jung

IPC: H01M4/131 ,  H01M4/505 ,  H01M4/04 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/1391 ,  H01M4/525

CPC classification number: H01M4/131 ,  H01M4/0402 ,  H01M4/043 ,  H01M4/0471 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M4/628 ,  H01M10/0525 ,  H01M2004/028 ,  H01M2220/10 ,  H01M2220/20

Abstract: Disclosed are a cathode active material and a lithium secondary battery including the same, and a method of manufacturing the cathode active material, the method including: (a) manufacturing a lithium metal oxide according to formula 1 below: Li1+zNiaMnbCo1−(a+b)O2   (1) wherein 0≦z≦0.1, 0.1≦a≦0.8, 0.1≦b≦0.8 and a+b

Abstract translation: 公开了一种正极活性物质和包含该阴极活性物质的锂二次电池及其制造方法，所述方法包括：（a）制备下述式1的锂金属氧化物：Li1 + zNiaMnbCo1-（a + b）O 2（1）其中0＆nlE; z＆nlE; 0.1,0.1＆nlE; a＆nlE; 0.8,0.1＆amp; nlE; b＆nlE; 0.8和a + b < （b）将锂金属氧化物和包含锆和氟的前体干混; 和（c）在步骤（b）干混后，通过热处理将包含锆和氟的前体改变成ZrO 2并用F代替一些氧（O）阴离子，其中阴极活性材料涂覆有ZrO 2和F.

公开(公告)号：US20180212282A1

公开(公告)日：2018-07-26

申请号：US15866654

申请日：2018-01-10

Applicant: LG Chem, Ltd.

Inventor： Dong Hun Lee ,  Dae Jin Lee ,  Ji Hoon Ryu ,  Gi Beom Han ,  Dong Hwi Kim ,  Wang Mo Jung ,  Sang Wook Lee ,  Eun Sol Lho

IPC: H01M10/42 ,  H01M10/52 ,  H01M2/36 ,  H01M10/052

CPC classification number: H01M10/4242 ,  C22B1/005 ,  C22B7/001 ,  H01M2/364 ,  H01M4/131 ,  H01M10/052 ,  H01M10/52 ,  H01M10/54 ,  Y02W30/84

Abstract: The present invention relates to a method for recovering a positive electrode active material from a lithium secondary battery including: 1) separating a positive electrode into a collector and a positive electrode part; 2) removing an organic substance by firing the separated positive electrode part; 3) washing the fired resultant and removing remaining fluorine (F); 4) adding a lithium-containing material into the washed resultant and firing to recover a lithium transition metal oxide.

公开(公告)号：US20180019474A1

公开(公告)日：2018-01-18

申请号：US15547242

申请日：2016-11-23

Applicant: LG Chem, Ltd.

Inventor： Dae Jin Lee ,  Wang Mo Jung ,  Seong Hoon Kang

IPC: H01M4/62 ,  C03C4/14 ,  C03C14/00 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/505 ,  H01M4/36 ,  C03C3/087 ,  H01M4/02

CPC classification number: H01M4/628 ,  C03C3/087 ,  C03C4/14 ,  C03C8/02 ,  C03C14/004 ,  C03C2214/04 ,  C03C2214/30 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y02T10/7011

Abstract: The present invention provides a positive electrode active material for a lithium secondary battery which is capable of preventing the degeneration of a positive electrode active material and the generation of a gas during operating a battery due to humidity, by including a surface treatment layer of an amorphous glass including an alkali metal oxide and an alkaline earth metal oxide on the surface of a core including a lithium composite metal oxide and by decreasing humidity reactivity, and a secondary battery including the same.

公开(公告)号：US20150280225A1

公开(公告)日：2015-10-01

申请号：US14440194

申请日：2013-11-26

Applicant: LG CHEM, LTD.

Inventor： Dae Jin Lee ,  Joo Hong Jin ,  Woo Yeon Kong ,  Sun Sik Shin ,  Wang Mo Jung

IPC: H01M4/36 ,  H01M10/04 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/505

CPC classification number: H01M4/366 ,  C01G53/006 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/049 ,  H01M10/0525

Abstract: Disclosed are a precursor of an electrode active material for a lithium secondary battery, in which a metal material ionizable through electrolytic decomposition is uniformly coated on a surface of a primary precursor formed of a transition metal hydrate, and a method of preparing the same.

Abstract translation: 公开了一种用于锂二次电池的电极活性材料的前体及其制备方法，其中通过电解分解可离子化的金属材料均匀地涂覆在由过渡金属水合物形成的初级前体的表面上。

公开(公告)号：US10243208B2

公开(公告)日：2019-03-26

申请号：US14440194

申请日：2013-11-26

Applicant: LG Chem, Ltd.

Inventor： Dae Jin Lee ,  Joo Hong Jin ,  Woo Yeon Kong ,  Sun Sik Shin ,  Wang Mo Jung

IPC: H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M10/04 ,  H01M10/0525 ,  C01G53/00 ,  H01M4/587

Abstract: Disclosed are a precursor of an electrode active material for a lithium secondary battery, in which a metal material ionizable through electrolytic decomposition is uniformly coated on a surface of a primary precursor formed of a transition metal hydrate, and a method of preparing the same.

公开(公告)号：US11031632B2

公开(公告)日：2021-06-08

申请号：US15866654

申请日：2018-01-10

Applicant: LG Chem, Ltd.

Inventor： Dong Hun Lee ,  Dae Jin Lee ,  Ji Hoon Ryu ,  Gi Beom Han ,  Dong Hwi Kim ,  Wang Mo Jung ,  Sang Wook Lee ,  Eun Sol Lho

IPC: H01M4/131 ,  H01M10/54 ,  H01M10/052 ,  H01M4/505 ,  H01M10/42 ,  H01M10/52 ,  C22B7/00 ,  C22B1/00 ,  H01M50/691

Abstract: The present invention relates to a method for recovering a positive electrode active material from a lithium secondary battery including: 1) separating a positive electrode into a collector and a positive electrode part; 2) removing an organic substance by firing the separated positive electrode part; 3) washing the fired resultant and removing remaining fluorine (F); 4) adding a lithium-containing material into the washed resultant and firing to recover a lithium transition metal oxide.

公开(公告)号：US10177386B2

公开(公告)日：2019-01-08

申请号：US15547242

申请日：2016-11-23

Applicant: LG Chem, Ltd.

Inventor： Dae Jin Lee ,  Wang Mo Jung ,  Seong Hoon Kang

IPC: H01M4/62 ,  H01M4/50 ,  H01M4/52 ,  C03C3/00 ,  C03C4/14 ,  C03C8/02 ,  H01M4/505 ,  H01M4/525 ,  C03C3/087 ,  C03C14/00 ,  H01M4/36 ,  H01M10/0525 ,  H01M4/02

Abstract: The present invention provides a positive electrode active material for a lithium secondary battery which is capable of preventing the degeneration of a positive electrode active material and the generation of a gas during operating a battery due to humidity, by including a surface treatment layer of an amorphous glass including an alkali metal oxide and an alkaline earth metal oxide on the surface of a core including a lithium composite metal oxide and by decreasing humidity reactivity, and a secondary battery including the same.

公开(公告)号：US20170155133A1

公开(公告)日：2017-06-01

申请号：US15362139

申请日：2016-11-28

Applicant: LG Chem, Ltd.

Inventor： Dae Jin Lee ,  Wang Mo Jung ,  Sin Young Park

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/131

CPC classification number: H01M4/366 ,  H01M4/0471 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/052

Abstract: A positive electrode active material for a secondary battery and a secondary battery including the same are provided. The positive electrode active material for a secondary battery includes on the surface of a core, a surface treatment layer composed of a B and Si-containing amorphous oxide, and thus may exhibit reduced moisture reactivity, improved thermal and chemical stability, and high-voltage stability.

公开(公告)号：US12119476B2

公开(公告)日：2024-10-15

申请号：US17278233

申请日：2020-07-29

Applicant: LG CHEM, LTD.

Inventor： Dae Jin Lee ,  Dong Hwi Kim ,  Jin Tae Hwang ,  Hyeong Il Kim ,  Seul Ki Chae ,  Wang Mo Jung ,  Dong Hun Lee

IPC: H01M4/02 ,  H01M4/04 ,  H01M4/131 ,  H01M4/62 ,  H01M10/052

CPC classification number: H01M4/0404 ,  H01M4/0435 ,  H01M4/131 ,  H01M4/623 ,  H01M10/052 ,  H01M2004/028

Abstract: The present invention relates to an electrode of a double-layer structure including a different type of particulate active material having a different average particle diameter, and a secondary battery including the same, and according to the present invention, the mechanical strength and stability of the electrode increases, and the secondary battery to which they are applied exhibits excellent discharge capacity.

公开(公告)号：US10283764B2

公开(公告)日：2019-05-07

申请号：US15362139

申请日：2016-11-28

Applicant: LG Chem, Ltd.

Inventor： Dae Jin Lee ,  Wang Mo Jung ,  Sin Young Park

IPC: H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M4/04 ,  H01M4/1391 ,  H01M4/62 ,  H01M10/052

Abstract: A positive electrode active material for a secondary battery and a secondary battery including the same are provided. The positive electrode active material for a secondary battery includes on the surface of a core, a surface treatment layer composed of a B and Si-containing amorphous oxide, and thus may exhibit reduced moisture reactivity, improved thermal and chemical stability, and high-voltage stability.