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公开(公告)号：US20240304949A1
公开(公告)日：2024-09-12
申请号：US18013726
申请日：2022-02-25
发明人： Keewook KIM , Seyeong KANG , Minhee KIM , Jungjin MOON , Sanghyun PARK , Bora SHIN
IPC分类号： H01M50/489 , H01M10/04 , H01M10/052 , H01M50/417
CPC分类号： H01M50/489 , H01M10/0431 , H01M10/052 , H01M50/417
摘要： Provided are a separator and a lithium battery employing the same. The separator includes a porous substrate having surface irregularities, and an area of protrusion valleys in the surface irregularities of the porous substrate is 12% or more, and less than 40%. The separator may increase insulation through surface morphology control, reduce dV defects, and increase yield and reliability of lithium batteries.
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2.发明公开公开(公告)号：US20240213598A1
公开(公告)日：2024-06-27
申请号：US18485059
申请日：2023-10-11
发明人： Ik Hwan CHO , Jinhwan PARK , Taejung KIM , Sanghyun PARK , Dae Kyu KIM , Byeongdo KWAK , Changhee WOO
IPC分类号： H01M50/198 , C09J7/38 , H01M10/052 , H01M10/0587 , H01M50/193 , H01M50/197
CPC分类号： H01M50/198 , C09J7/385 , H01M10/052 , H01M10/0587 , H01M50/193 , H01M50/197 , C09J2203/33 , C09J2301/124 , C09J2301/414 , C09J2433/00 , C09J2467/006
摘要： An sealing tape for a rechargeable lithium battery and a rechargeable lithium battery including the sealing tape are provided. The sealing tape for a rechargeable lithium battery includes a single-layer adhesive layer having adhesiveness on both opposite surfaces of the adhesive layer, wherein the adhesive layer includes a (meth)acrylic copolymer and a crosslinking agent, and the (meth)acrylic copolymer includes a moiety derived from a first substituted or unsubstituted C1 to C20 alkyl (meth)acrylate-based compound; a moiety derived from a second substituted or unsubstituted C3 to C20 cycloalkyl (meth)acrylate-based compound; a moiety derived from a third hydroxy group-containing compound; and a moiety derived from a fourth unsaturated morpholine-containing compound.
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