-
11.发明公开公开(公告)号：US20230268490A1
公开(公告)日：2023-08-24
申请号：US18098752
申请日：2023-01-19
发明人： Changsu SHIN , Youngugk KIM , Young-Min KIM , Sunil PARK , Jongmin WON , Jaehou NAH , Eunji KANG , Doori OH , Dae-Hyeok LEE , Hyun Jun SONG , Myeong Gyun NAM , Pil Jin YOO
IPC分类号： H01M4/36 , H01M4/38 , H01M4/587 , H01M4/60 , H01M10/052
CPC分类号： H01M4/366 , H01M4/386 , H01M4/587 , H01M4/60 , H01M10/052 , H01M2004/027
摘要： A negative active material for a rechargeable lithium battery includes a core having a silicon-carbon composite and an amorphous carbon, the silicon-carbon composite being an agglomerated product of a crystalline carbon and silicon particles, and a coating layer on a surface of the core, the coating layer including catecholamine.
-
公开(公告)号：US20240347704A1
公开(公告)日：2024-10-17
申请号：US18384717
申请日：2023-10-27
发明人： Doori OH , Youngugk KIM , Yookyung KIM , Young-Min KIM , Sunil PARK , Jungho LEE , Jongmin WON , Jaehou NAH , Eunji KANG , Dae-Hyeok LEE , Changsu SHIN
CPC分类号： H01M4/366 , C01B32/20 , H01M4/133 , H01M4/134 , H01M4/386 , H01M4/587 , H01M10/052 , C01P2006/40 , H01M2004/027
摘要： A negative active material and a rechargeable lithium battery including the negative active material. The negative active material includes first, second and third active materials. The first active material is a crystalline carbon. The second active material includes a first core, which includes crystalline carbon and a silicon-based material, and a first carbon coating positioned on the first core. The third active material includes a second core, which includes a silicon-based material, and a second carbon coating layer positioned on the second core.
-
公开(公告)号：US20240347689A1
公开(公告)日：2024-10-17
申请号：US18386068
申请日：2023-11-01
发明人： Yookyung KIM , Youngugk KIM , Jungho LEE , Jaehou NAH
IPC分类号： H01M4/13
CPC分类号： H01M4/13
摘要： A negative active material, including a first active material including a silicon core and a carbon coating layer on the core, a carbon second active material having an aspect ratio of about 4 to about 100, and a crystalline carbon third active material.
-
公开(公告)号：US20240282925A1
公开(公告)日：2024-08-22
申请号：US18386333
申请日：2023-11-02
发明人： Yookyung KIM , Changsu SHIN , Youngugk KIM , Jaehou NAH , Young-Min KIM , Sunil PARK , Eunji KANG , Doori OH , Jongmin WON
IPC分类号： H01M4/36 , H01M4/133 , H01M4/134 , H01M10/0525
CPC分类号： H01M4/366 , H01M4/133 , H01M4/134 , H01M10/0525 , H01M2004/027
摘要： A negative electrode and a rechargeable lithium battery including the negative electrode, the negative electrode including a current collector, a negative active material layer, and a functional layer between the current collector and the negative active material layer or on the negative active material layer, the functional layer including nanometal and nanocarbon.
-
公开(公告)号：US20230361275A1
公开(公告)日：2023-11-09
申请号：US18012470
申请日：2021-11-15
发明人： Dae-Hyeok LEE , Youngugk KIM , Jaemyung KIM , Jaehou NAH , Changsu SHIN , Chul YOUM , Jongmin WON , Jungho LEE , Heeyoung CHU
IPC分类号： H01M4/36 , H01M4/38 , H01M4/587 , H01M10/052
CPC分类号： H01M4/364 , H01M4/386 , H01M4/587 , H01M10/052 , H01M2004/021
摘要： Provides are an anode active material for a lithium secondary battery and a lithium secondary battery comprising same, wherein the anode active material for a lithium secondary battery comprises a silicon-carbon composite having a void in the central portion, the radius of the central portion corresponds to 30% to 50% of the radius of the anode active material for a lithium secondary battery, and the silicon-carbon composite includes silicon nanoparticles and amorphous carbon.
-
公开(公告)号：US20210399304A1
公开(公告)日：2021-12-23
申请号：US17350993
申请日：2021-06-17
发明人： Jungho LEE , Jaehou NAH , Hyun SOH , Inhyuk SON , Duk-Hyoung YOON
摘要： A negative active material for a rechargeable lithium battery includes an amorphous carbon matrix, silicon particles dispersed in the amorphous carbon matrix, and a nitrogen-containing carbon compound protruding outward from the surface of the amorphous carbon matrix. Additional embodiments provide a method of preparing the same and a rechargeable lithium battery including the same.
-
17.发明申请公开(公告)号：US20210280868A1
公开(公告)日：2021-09-09
申请号：US17190863
申请日：2021-03-03
发明人： Sunil PARK , Narae KIM , Jaehou NAH , Joongho MOON , Hyun SOH , Eunjoo LEE
IPC分类号： H01M4/583 , H01M10/44 , H01M10/0525 , H01M4/04
摘要： A negative active material for a rechargeable lithium battery includes a secondary particle in which a plurality of natural graphite primary particles are agglomerated, the plurality of primary particles including natural graphite, and the secondary particle including pores, and an amorphous carbon positioned in the pores, wherein an area of the amorphous carbon is about 10% to about 30% based on a total area of 100% of the negative active material, in a cross-section of the negative active material.
-
公开(公告)号：US20210143439A1
公开(公告)日：2021-05-13
申请号：US17084983
申请日：2020-10-30
发明人： Young-Min KIM , Changsu SHIN , Jongmin WON , Dae-Hyeok LEE , Jaemyung KIM , Jaehou NAH
IPC分类号： H01M4/66 , H01M10/0525 , H01M4/38 , H01M4/583
摘要： A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative active material including a Si-carbon composite that includes Si nanoparticles and an amorphous carbon, wherein the negative active material has a sphericity of 0.7 or more, and a BET specific surface area of 10 m2/g or less.
-
公开(公告)号：US20200280062A1
公开(公告)日：2020-09-03
申请号：US16844968
申请日：2020-04-09
发明人： Changsu SHIN , Young-Min KIM , Soonho AHN , Jaehou NAH , Jaemyung KIM
摘要： A negative active material composite includes a core and a coating layer around (surrounding) the core. The core includes amorphous carbon and silicon nanoparticles, the coating layer includes amorphous carbon, and an adjacent distance between the silicon nanoparticles is less than or equal to about 100 nm.
-
公开(公告)号：US20200083536A1
公开(公告)日：2020-03-12
申请号：US16560522
申请日：2019-09-04
发明人： Eunjoo LEE , Jaehou NAH
IPC分类号： H01M4/587 , H01M4/36 , H01M10/0525
摘要： A negative active material for a rechargeable lithium battery includes natural graphite including secondary particles in which a plurality of primary particles are assembled; amorphous carbon on the surface of the primary particles; and a coating layer including amorphous carbon surrounding the secondary particles, wherein the primary particles have an average particle diameter of about 5 μm to about 15 μm, the secondary particles have an average particle diameter of about 8 μm to about 24 μm, and a peak intensity ratio I(002)/I(110) is less than or equal to about 120 as measured by X-ray diffraction.
-
-
-
-
-
-
-
-
-
搜索结果
30 条记录 (耗时 0.03 秒)
