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1.发明申请公开(公告)号：US20200303720A1
公开(公告)日：2020-09-24
申请号：US16361740
申请日：2019-03-22
发明人： Chi Ho JO , Wang Mo JUNG , Dong Hun LEE , Ying Shirley MENG , Abhik BANERJEE , Minghao ZHANG
IPC分类号： H01M4/131 , H01M4/04 , H01M4/1391 , H01M4/525 , H01M4/505 , H01M10/0562 , H01M10/0525
摘要： A method of treating the surface of a positive electrode active material that is capable of inhibiting a reaction at the interface between a sulfide-based solid electrolyte and the positive electrode active material. A positive electrode active material particle for sulfide-based all-solid-state batteries, the surface of which is reformed, using the method and a sulfide-based all-solid-state battery, the charge/discharge characteristics of which are improved, including the same are also disclosed. The positive electrode active material particle for sulfide-based all-solid-state batteries manufactured using a dry-type method exhibits larger capacity than a positive electrode active material particle for sulfide-based all-solid-state batteries manufactured through a conventional wet-type process. In addition, the manufacturing process is simplified, and the amount of byproducts is reduced.
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公开(公告)号：US20230335708A1
公开(公告)日：2023-10-19
申请号：US18340403
申请日：2023-06-23
发明人： Darren H.S. TAN , Zheng CHEN , Ying Shirley MENG , Chi Ho JO , Wang Mo JUNG
CPC分类号： H01M4/136 , H01M4/622 , H01M10/3954
摘要： A solid electrolyte film for sulfide-based all-solid-state batteries, and more particularly a composition of a solid electrolyte, a binder, and a solvent used to manufacture a solid electrolyte film for sulfide-based all-solid-state batteries that is thin and has high ion conductivity. In particular, a solid electrolyte film composition for sulfide-based all-solid-state batteries including a solvent having a dielectric constant of x (1.5
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公开(公告)号：US20170222225A1
公开(公告)日：2017-08-03
申请号：US15515447
申请日：2015-10-02
申请人： LG Chem, Ltd.
发明人： Min Suk KANG , Chi Ho JO , Ji Hoon RYU , Sun Sik SHIN , Wang Mo JUNG
IPC分类号： H01M4/525 , H01M4/04 , H01M4/36 , C01G51/00 , H01M10/0525
CPC分类号： H01M4/525 , C01G51/00 , C01G51/42 , C01P2002/30 , C01P2004/80 , C01P2004/86 , C01P2006/40 , H01M2/10 , H01M4/0471 , H01M4/1391 , H01M4/366 , H01M4/505 , H01M10/052 , H01M10/0525 , H01M2004/028
摘要： The present invention relates to a positive electrode active material for a lithium secondary battery, and a lithium secondary battery including the same, and the positive electrode active material includes lithium cobalt oxide particles. The lithium cobalt oxide particles include lithium cobalt oxide having a Li/Co molar ratio of less than 1 in the particles. Good rate property and life property may be obtained without worrying on the deterioration of initial capacity property.
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公开(公告)号：US20170222211A1
公开(公告)日：2017-08-03
申请号：US15515078
申请日：2015-10-02
申请人： LG Chem, Ltd.
发明人： Ji Hoon RYU , Chi Ho JO , Min Suk KANG , Sun Sik SHIN , Wang Mo JUNG
CPC分类号： H01M4/131 , H01M4/362 , H01M4/366 , H01M4/483 , H01M4/502 , H01M4/523 , H01M4/525 , H01M4/62 , H01M10/052 , H01M10/0525 , H01M2004/021 , H01M2004/028 , H01M2220/20 , Y02E60/122
摘要： The present invention provides a positive electrode active material for a lithium secondary battery including a core including first lithium cobalt oxide, and a surface modifying layer positioned on a surface of the core. The surface modifying layer includes a lithium compound discontinuously distributed on the surface of the core, and second lithium cobalt oxide distributed while making a contact with or adjacent to the lithium compound, with a Li/Co molar ratio of less than 1. The positive electrode active material according to the present invention forms a lithium deficient structure in the positive electrode active material of lithium cobalt oxide and changes two-dimensional lithium transport path into three-dimensional path. The transport rate of lithium ions may increase when applied to a battery, thereby illustrating improved capacity and rate characteristic without decreasing initial capacity.
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公开(公告)号：US20180047974A1
公开(公告)日：2018-02-15
申请号：US15553319
申请日：2016-11-24
申请人： LG Chem, Ltd.
发明人： Chi Ho JO , Sin Young PARK , Wang Mo JUNG , Byung Chun PARK , So Ra BAEK
IPC分类号： H01M4/131 , H01M10/052 , H01M4/525 , H01M4/04 , H01M4/505
CPC分类号： H01M4/131 , H01M4/0402 , H01M4/1391 , H01M4/366 , H01M4/505 , H01M4/525 , H01M4/622 , H01M10/052 , H01M2004/021 , H01M2004/028 , Y02T10/7011
摘要： In the present invention is provided a positive electrode active material for a secondary battery, wherein the positive electrode active material includes a core including a lithium composite metal oxide, and a surface treatment layer positioned on the surface of the core, and the surface treatment layer includes a porous coordination polymer in which a central metal ion is coordinate-bonded with an organic ligand such that high electrode density may be exhibited when an electrode is manufactured, and consequently, battery properties may be significantly enhanced. Also provided are a positive electrode, which is for a secondary battery and includes the positive electrode active material, and a secondary battery.
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