-
公开(公告)号：US20250132347A1
公开(公告)日：2025-04-24
申请号：US18989902
申请日：2024-12-20
Applicant: LG Energy Solution, Ltd.
Inventor： Dong Hyun Kim , Houng Sik Yoo , Seong Kyun Kang , Gye Min Kwon , Hyeon Choi
IPC: H01M4/62 , C01B32/174 , C09C1/56 , H01B1/24 , H01M4/02 , H01M10/0525
Abstract: A conductive material dispersion includes a carbon-based conductive material, a main dispersant, an auxiliary dispersant, and a dispersion medium, wherein the main dispersant is a nitrile-based copolymer and the auxiliary dispersant is a copolymer including an oxyalkylene unit and at least one selected from the group consisting of a styrene unit and an alkylene unit.
-
公开(公告)号：US12218359B2
公开(公告)日：2025-02-04
申请号：US18377994
申请日：2023-10-09
Applicant: LG Energy Solution, Ltd.
Inventor： Dong Hyun Kim , Houng Sik Yoo , Seong Kyun Kang , Gye Min Kwon , Hyeon Choi
IPC: H01B1/24 , C01B32/174 , C09C1/56 , H01M4/62 , H01M10/0525 , H01M4/02
Abstract: A conductive material dispersion includes a carbon-based conductive material, a main dispersant, an auxiliary dispersant, and a dispersion medium, wherein the main dispersant is a nitrile-based copolymer and the auxiliary dispersant is a copolymer including an oxyalkylene unit and at least one selected from the group consisting of a styrene unit and an alkylene unit.
-
公开(公告)号：US12132207B2
公开(公告)日：2024-10-29
申请号：US18025058
申请日：2022-03-17
Applicant: LG Energy Solution, Ltd.
Inventor： Joo Yeon Ha , Houng Sik Yoo , Dong Hyun Kim , Hyeon Choi
IPC: H01B1/24 , C09D5/24 , C09D7/45 , C09D7/61 , C09D7/65 , C09D127/16 , H01M4/58 , H01M4/60 , H01M4/62 , H01M10/0525 , H01M4/02
CPC classification number: H01M4/623 , C09D5/24 , C09D7/45 , C09D7/61 , C09D7/65 , C09D127/16 , H01M4/5825 , H01M4/625 , H01M10/0525 , H01M2004/028
Abstract: A positive electrode slurry composition, a positive electrode and a secondary battery including the same are disclosed herein. In some embodiments, a slurry composition includes a lithium iron phosphate-based positive electrode active material, a binder, a conductive agent, a dispersant, and a solvent, wherein the dispersant includes a nitrile-based copolymer and a polymer dispersant containing an oxyalkylene unit, wherein the oxyalkylene unit is present in an amount of 60 wt % or more, based on the total weight of the polymer dispersant.
-
公开(公告)号：US11824200B2
公开(公告)日：2023-11-21
申请号：US17604084
申请日：2020-05-12
Applicant: LG Energy Solution, Ltd.
Inventor： Dong Hyun Kim , Houng Sik Yoo , Seong Kyun Kang , Gye Min Kwon , Hyeon Choi
IPC: H01M4/60 , H01B1/24 , H01M4/62 , C01B32/174 , C09C1/56 , H01M10/0525 , H01M4/02
CPC classification number: H01M4/625 , C01B32/174 , C09C1/56 , H01B1/24 , H01M10/0525 , C01B2202/22 , C01B2202/32 , C01P2006/12 , C01P2006/40 , H01M2004/028
Abstract: A conductive material dispersion includes a carbon-based conductive material, a main dispersant, an auxiliary dispersant, and a dispersion medium, wherein the main dispersant is a nitrile-based copolymer and the auxiliary dispersant is a copolymer including an oxyalkylene unit and at least one selected from the group consisting of a styrene unit and an alkylene unit.
-
公开(公告)号：US12203005B2
公开(公告)日：2025-01-21
申请号：US18025783
申请日：2022-05-25
Applicant: LG Energy Solution, Ltd.
Inventor： Hyo Sook Joo , Houng Sik Yoo , Dong Hyun Kim , Il Jae Moon , Hyeon Choi , Woo Ha Kim , Sung Soo Yoon
IPC: C09D5/24 , C09D7/40 , C09D7/45 , C09D7/61 , C09D7/63 , C09D7/65 , C09D115/00 , C09D131/04 , H01M4/02 , H01M4/62
Abstract: Provided is a conductive material dispersion comprising single-walled carbon nanotubes, a dispersant, a dispersion aid, and a dispersion medium, wherein the dispersant comprises polyvinyl butyral and hydrogenated nitrile butadiene rubber, and the dispersion aid comprises a compound represented by Formula 1. A-(R)n [Formula 1] In Formula 1, A is a structure having a carbon number of 16 to 50 carbon number and comprising four or more aromatic rings and nitrogen, R is a structure comprising an anionic functional group, and n is an integer of 1 to 5.
-
Patent Agency Ranking
公开(公告)号：US11984601B2
公开(公告)日：2024-05-14
申请号：US17051689
申请日：2019-08-21
Applicant: LG ENERGY SOLUTION, LTD.
Inventor： Houng Sik Yoo , Hyeon Choi , Dong Hyun Kim , Hyun Sik Chae , Sang Hoon Choy , Hyung Suk Cho
IPC: H01M4/62 , C01B32/174 , H01M4/02 , H01M10/0525
CPC classification number: H01M4/625 , C01B32/174 , H01M10/0525 , C01B2202/22 , C01B2202/28 , C01B2202/32 , H01M2004/028
Abstract: A conductive material dispersion liquid, and an electrode and a lithium secondary battery manufactured using the same. The conductive material dispersion liquid includes a carbon-based conductive material, a dispersant, and a dispersion medium. The dispersant is a copolymer including a first repeating unit represented by Chemical Formula 1, a second repeating unit represented by Chemical Formula 2, and a third repeating unit represented by Chemical Formula 3, and the dispersion medium is a non-aqueous solvent.
-
公开(公告)号：US20220209239A1
公开(公告)日：2022-06-30
申请号：US17604084
申请日：2020-05-12
Applicant: LG Energy Solution, Ltd.
Inventor： Dong Hyun Kim , Houng Sik Yoo , Seong Kyun Kang , Gye Min Kwon , Hyeon Choi
IPC: H01M4/62 , C01B32/174 , C09C1/56 , H01M10/0525
Abstract: A conductive material dispersion includes a carbon-based conductive material, a main dispersant, an auxiliary dispersant, and a dispersion medium, wherein the main dispersant is a nitrile-based copolymer and the auxiliary dispersant is a copolymer including an oxyalkylene unit and at least one selected from the group consisting of a styrene unit and an alkylene unit.
-
公开(公告)号：US20230335740A1
公开(公告)日：2023-10-19
申请号：US18025058
申请日：2022-03-17
Applicant: LG Energy Solution, Ltd.
Inventor： Joo Yeon Ha , Houng Sik Yoo , Dong Hyun Kim , Hyeon Choi
IPC: H01M4/62 , H01M10/0525 , C09D7/65 , C09D127/16 , H01M4/58 , C09D5/24 , C09D7/61 , C09D7/45
CPC classification number: H01M4/623 , C09D5/24 , C09D7/45 , C09D7/61 , C09D7/65 , C09D127/16 , H01M4/5825 , H01M4/625 , H01M10/0525 , H01M2004/028
Abstract: A positive electrode slurry composition, a positive electrode and a secondary battery including the same are disclosed herein. In some embodiments, a slurry composition includes a lithium iron phosphate-based positive electrode active material, a binder, a conductive agent, a dispersant, and a solvent, wherein the dispersant includes a nitrile-based copolymer and a polymer dispersant containing an oxyalkylene unit, wherein the oxyalkylene unit is present in an amount of 60 wt% or more, based on the total weight of the polymer dispersant.
-
公开(公告)号：US20220166027A1
公开(公告)日：2022-05-26
申请号：US17441935
申请日：2020-08-21
Applicant: LG Energy Solution, Ltd.
Inventor： Dong Hyun Kim , Houng Sik Yoo , Il Jae Moon , Sang Hoon Choy , Hyeon Choi
Abstract: A carbon nanotube dispersion includes carbon nanotubes (CNT) having a Brunauer-Emmett-Teller (BET) specific surface area of 800 m2/g or more, a dispersant, and a water-based solvent, wherein the dispersant includes a polymer dispersant containing an amine and a phenolic compound containing two or more aromatic rings.
-
公开(公告)号：US20250070163A1
公开(公告)日：2025-02-27
申请号：US18724747
申请日：2023-10-26
Applicant: LG Energy Solution, Ltd.
Inventor： Dong Hyun Kim , Houng Sik Yoo , Jong Won Lee , Ji Hee Yoon , Gui Eum Yang , Sang Hoon Choy , Hyeon Choi , O Jong Kwon , Yong Hee Kang
Abstract: A positive electrode includes a current collector, a first positive electrode active material layer, and a second positive electrode active material layer. The first positive electrode active material layer is formed on the current collector and the second positive electrode active material layer is formed on the first positive electrode active material layer. The first and second positive electrode active material layers each include lithium iron phosphate, a fluorine-based binder, a rubber-based binder, and a conductive material. The rubber-based binder includes a first hydrogenated nitrile butadiene rubber and a second hydrogenated nitrile butadiene rubber A ratio (P2/P1) of the weight P2 of fluorine contained in the second positive electrode active material layer to the weight P1 of fluorine contained in the first positive electrode active material layer is 1 or less.
-
-
-
-
-
-
-
-
-
Search Results
12
records
(took 0.019 seconds)
