公开(公告)号：US20180269485A1

公开(公告)日：2018-09-20

申请号：US15762938

申请日：2016-07-27

Applicant: LG CHEM, LTD.

Inventor： Houngsik YOO ,  Jongheon SEOL ,  Jong Won LEE ,  Dong Hyun KIM ,  Gyemin KWON ,  Yelin KIM ,  Jungkeun YOO ,  Dong Hyun CHO ,  Sang Hoon CHOY ,  Hyeon CHOI ,  Kyungyeon KANG ,  Jihee WOO

IPC: H01M4/62 ,  H01M10/0525 ,  H01M4/139

CPC classification number: H01M4/625 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/174 ,  C01B2202/32 ,  C01B2202/36 ,  H01B1/18 ,  H01M4/139 ,  H01M4/622 ,  H01M10/0525 ,  Y10S977/742 ,  Y10S977/753 ,  Y10S977/842 ,  Y10S977/948

Abstract: The present disclosure relates to a carbon nanotube dispersion liquid comprising bundle-type carbon nanotubes; a dispersion medium; and a polyvinyl butyral resin having a weight average molecular weight of greater than 50,000, a method for preparing the same, methods for preparing electrode slurry and an electrode using the same, and an electrode and a secondary battery prepared using the carbon nanotube dispersion liquid.

公开(公告)号：US20180226650A1

公开(公告)日：2018-08-09

申请号：US15577099

申请日：2016-09-05

Applicant: LG CHEM, LTD.

Inventor： Houngsik YOO ,  Kyungyeon KANG ,  Jongheon SEOL ,  Jong Won LEE ,  Dong Hyun KIM ,  Gyemin KWON ,  Jihee WOO ,  Yelin KIM ,  Dong Hyun CHO ,  Sang Hoon CHOY ,  Hyeon CHOI

IPC: H01M4/62 ,  C01B32/174 ,  C08C19/02 ,  C09D109/02 ,  H01M4/04 ,  H01M4/36

CPC classification number: H01M4/625 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/174 ,  C08C19/02 ,  C08L15/00 ,  C08L15/005 ,  C09D109/02 ,  H01M4/0404 ,  H01M4/13 ,  H01M4/364 ,  H01M4/623 ,  Y10S977/746 ,  Y10S977/847 ,  Y10S977/948

Abstract: The present disclosure relates to a carbon nanotube dispersion including carbon nanotubes, a dispersion medium, and partially hydrogenated nitrile rubber having a residual double bond (RDB) value of 0.5% by weight to 40% by weight calculated according to Mathematical Formula 1, a method for preparing the same, and methods for preparing electrode slurry and an electrode using the same.

公开(公告)号：US20190173069A1

公开(公告)日：2019-06-06

申请号：US16303030

申请日：2018-01-18

Applicant: LG CHEM, LTD.

Inventor： Hyejin KWON ,  Houngsik YOO ,  Su Jin YOON ,  Dong Hyun KIM ,  Hyeon CHOI ,  Jean LEE

IPC: H01M2/14 ,  H01M10/0525 ,  H01M2/16

Abstract: A method for preparing a separator, a separator prepared using the same, and an electrochemical device including the same. More specifically, stability of the separator may be reinforced by preparing the separator using a slurry prepared by pre-dispersing an inorganic material and a dispersion resin, and then mixing a binder thereto when preparing the separator.

公开(公告)号：US20190051887A1

公开(公告)日：2019-02-14

申请号：US15760066

申请日：2016-08-26

Applicant: LG CHEM, LTD.

Inventor： Houngsik YOO ,  Jong Won LEE ,  Dong Hyun KIM ,  Gyemin KWON ,  Byoung Hoon AHN ,  Yelin KIM ,  Sang Hoon CHOY ,  Hyeon CHOI ,  Jungkeun YOO

IPC: H01M4/139 ,  C01B32/174 ,  H01M4/04 ,  H01M4/62

Abstract: The present disclosure relates to a carbon nanotube dispersion including entangled-type carbon nanotubes, a dispersion medium, and partially hydrogenated nitrile rubber having a residual double bond (RDB) value of 0.5% by weight to 40% by weight calculated according to the following Mathematical Formula 1, wherein dispersed particle diameters of the carbon nanotubes have particle size distribution D50 of 2 μm to 5 μm, a method for preparing the same, and methods for preparing electrode slurry and an electrode using the same.