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公开(公告)号：US11880017B2
公开(公告)日：2024-01-23
申请号：US16756333
申请日：2019-02-12
Applicant: LG CHEM, LTD.
Inventor： Jinseok Byun , Inyoung Song , Dong Hyun Kim , Kwangseok Seo , Yeongrae Chang
CPC classification number: G02B1/115 , G02B1/08 , G02B1/11 , G02B1/14 , G02B5/3033 , G02F1/133541 , C09K2323/03
Abstract: The present invention relates to anti-reflective films including: a light-transmitting substrate; a hard coating layer; and a low refractive layer, wherein the low refractive layer includes a first region including a binder resin and high refractive inorganic nanoparticles and a second region including a binder resin and low refractive inorganic nanoparticles, and when polarization ellipticity measured by ellipsometry is fitted to a Cauchy model for each of the first region and the second region, predetermined requirements are fulfilled.
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2.发明公开公开(公告)号：US20230178734A1
公开(公告)日：2023-06-08
申请号：US17919074
申请日：2022-02-21
Applicant: LG Chem, Ltd.
Inventor： Hyunwoo Choi , Sung Joon Oh , Youngsuk Kim , Jeongkyu Lee , Inyoung Song , Yeonji Choe
IPC: H01M4/583 , H01M10/052 , H01M4/62 , H01M4/66 , H01M4/04
CPC classification number: H01M4/583 , H01M4/0416 , H01M4/0435 , H01M4/623 , H01M4/625 , H01M4/661 , H01M4/669 , H01M10/052 , H01M2004/027
Abstract: The present disclosure relates to a negative electrode for a secondary battery that is improved in the peeling resistance and adhesiveness of the active material layer and thus can improve the life characteristics of the negative electrode and the lithium secondary battery, a method of manufacturing the same and a lithium secondary battery including same. The negative electrode for a secondary battery includes a metal current collector; and an active material layer formed on the metal current collector and containing a negative electrode active material, a binder, and a conductive material, wherein the active material layer has an average value of shear strength of 1.6 MPa or more as measured at a predetermined depth.
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