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公开(公告)号：US10822498B2
公开(公告)日：2020-11-03
申请号：US15760460
申请日：2016-08-26
Applicant: LG Chem, Ltd.
Inventor： Gyemin Kwon , Houngsik Yoo , Hye Lim Sim , Byoung Hoon Ahn , Jong Won Lee , Dong Hyun Kim , Sang Hoon Choy , Hyeon Choi
Abstract: The present disclosure relates to a carbon black dispersion solution comprising carbon black, 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 black have particle size distribution D50 of 0.1 μm to 2 μm, a method for preparing the same, and methods for preparing electrode slurry and an electrode using the same.
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Patent Agency Ranking
公开(公告)号：US11283134B2
公开(公告)日：2022-03-22
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: H01M50/403 , H01M50/446 , H01M50/449 , H01M10/0525
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.
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公开(公告)号：US20180251638A1
公开(公告)日：2018-09-06
申请号：US15760460
申请日：2016-08-26
Applicant: LG Chem, Ltd.
Inventor： Gyemin Kwon , Houngsik Yoo , Hye Lim Sim , Byoung Hoon Ahn , Jong Won Lee , Dong Hyun Kim , Sang Hoon Choy , Hyeon Choi
Abstract: The present disclosure relates to a carbon black dispersion solution comprising carbon black, 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 black have particle size distribution D50 of 0.1 μm to 2 μm, a method for preparing the same, and methods for preparing electrode slurry and an electrode using the same.
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公开(公告)号：US10141574B2
公开(公告)日：2018-11-27
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 , C08C19/02 , C09D109/02 , H01M4/04 , H01M4/36 , C09C1/44 , C08L15/00 , H01M4/13 , C01B32/174 , B82Y30/00 , B82Y40/00
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.
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公开(公告)号：US10686185B2
公开(公告)日：2020-06-16
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 , H01M4/04 , H01M4/62 , C01B32/174 , H01M10/0525
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.
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公开(公告)号：US10468685B2
公开(公告)日：2019-11-05
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: H01B1/18 , H01M4/62 , H01M10/0525 , C01B32/174 , H01M4/139 , B82Y30/00 , B82Y40/00
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.
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