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公开(公告)号：US20190334150A1
公开(公告)日：2019-10-31
申请号：US16211454
申请日：2018-12-06
申请人： Hyundai Motor Company , Kia Motors Corporation , The Industry & Academic Cooperation in Chungnam National University (IAC)
发明人： KiSeok Koh , Yeolmae Yeo , Seung-Min Oh , Yoon Sung Lee , Kyung Jin Lee , Hyojin Kim
IPC分类号： H01M2/16 , H01M10/0525 , H01M2/14
摘要： Disclosed is a lithium secondary battery provided with a separator, having improved thermal stability by including a micro-particle coating layer manufactured using Furan-based polymers, for example, polymers having polymer unit including furanyl or furoyl. The lithium secondary battery includes a cathode, an anode, an electrolyte, and a separator disposed between the cathode and the anode and including a coating layer including a micro-particle. The micro-particle includes the second polymer which may include cross-linked first polymer.
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公开(公告)号：US10916752B2
公开(公告)日：2021-02-09
申请号：US16211454
申请日：2018-12-06
申请人： Hyundai Motor Company , Kia Motors Corporation , The Industry & Academic Cooperation in Chungnam National University (IAC)
发明人： KiSeok Koh , Yeolmae Yeo , Seung-Min Oh , Yoon Sung Lee , Kyung Jin Lee , Hyojin Kim
IPC分类号： H01M4/525 , H01M4/62 , H01M10/0568 , H01M2/16 , H01M10/0525 , H01M2/14
摘要： Disclosed is a lithium secondary battery provided with a separator, having improved thermal stability by including a micro-particle coating layer manufactured using Furan-based polymers, for example, polymers having polymer unit including furanyl or furoyl. The lithium secondary battery includes a cathode, an anode, an electrolyte, and a separator disposed between the cathode and the anode and including a coating layer including a micro-particle. The micro-particle includes the second polymer which may include cross-linked first polymer.
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公开(公告)号：US20200168905A1
公开(公告)日：2020-05-28
申请号：US16391118
申请日：2019-04-22
申请人： Hyundai Motor Company , Kia Motors Corporation , Industry Academy Cooperation Foundation of Sejong University
发明人： Seung-Min Oh , KiSeok Koh , Yeolmae Yeo , Dongjun Kim , Yoon Sung Lee , Jieun Lee , Sa Heum Kim , Seung-Taek Myung
IPC分类号： H01M4/505 , H01M10/0525 , B60L50/64 , B60K6/28 , B60R16/033
摘要： Provided is a lithium secondary battery with improved t electrochemical characteristics through improvement of the structural stability by including a cathode active material doped with molybdenum (Mo). The lithium secondary battery includes a cathode; an anode; a separator positioned between the cathode and the anode; and an electrolyte. In particular, the cathode active material includes molybdenum (Mo) doped on a composite oxide of lithium and metal including manganese (Mn) and titanium (Ti).
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公开(公告)号：US11616274B2
公开(公告)日：2023-03-28
申请号：US16573070
申请日：2019-09-17
发明人： Sang Mok Park , Yeolmae Yeo , Dongjun Kim , Yoon Sung Lee , Jieun Lee , Sa Heum Kim , Seung-Min Oh
IPC分类号： H01M50/46 , H01M4/66 , H01M10/0525 , H01M50/44
摘要： Disclosed is lithium secondary battery that may include: a positive electrode; a negative electrode; an electrolyte; and a separator positioned between the positive electrode and the negative electrode. The separator may include: a separator substrate; and a fibrous adhesive layer formed on one or both surfaces of the separator substrate.
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公开(公告)号：US11205801B2
公开(公告)日：2021-12-21
申请号：US16573368
申请日：2019-09-17
发明人： Yoon Sung Lee , Sangjin Park , Shinkook Kong , Jung Young Cho , Dongjun Kim , Ikkyu Kim , Yeolmae Yeo , Jieun Lee , Sang Mok Park , SungHoon Lim
IPC分类号： H01M10/0567 , H01M4/131 , H01M4/133 , H01M4/134 , H01M4/36 , H01M4/505 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M4/38
摘要： Disclosed is a lithium secondary battery having an improved lifetime. The lithium secondary battery may include: a cathode including a cathode active material; an anode including an anode active material; a separator disposed between the cathode and the anode; and an electrolyte including bis(trimethylsilyl) 2,2-thiodiacetate.
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公开(公告)号：US11139475B2
公开(公告)日：2021-10-05
申请号：US16391118
申请日：2019-04-22
申请人： Hyundai Motor Company , Kia Motors Corporation , Industry Academy Cooperation Foundation of Sejong University
发明人： Seung-Min Oh , KiSeok Koh , Yeolmae Yeo , Dongjun Kim , Yoon Sung Lee , Jieun Lee , Sa Heum Kim , Seung-Taek Myung
IPC分类号： H01M4/505 , H01M10/0525 , B60L50/64 , B60K6/28 , B60R16/033 , H01M4/02
摘要： Provided is a lithium secondary battery with improved t electrochemical characteristics through improvement of the structural stability by including a cathode active material doped with molybdenum (Mo). The lithium secondary battery includes a cathode; an anode; a separator positioned between the cathode and the anode; and an electrolyte. In particular, the cathode active material includes molybdenum (Mo) doped on a composite oxide of lithium and metal including manganese (Mn) and titanium (Ti).
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7.发明授权公开(公告)号：US11031588B2
公开(公告)日：2021-06-08
申请号：US16579107
申请日：2019-09-23
发明人： Seung-Min Oh , Yoon Sung Lee , Jung Young Cho , Yeolmae Yeo
IPC分类号： H01B1/24 , H01M4/133 , H01M4/36 , H01M4/134 , H01M4/136 , H01M4/38 , H01M4/587 , H01M4/62 , H01M10/0525 , H01M4/48 , H01M4/02
摘要： Provided are a silicon-based composite anode active material for a secondary battery and an anode including the same. The anode active material for a secondary battery may be a silicon-based composite anode active material, which may include a graphite and a silicon component including two or more selected from the group consisting of Si, Si-M, SiOx, and SiC. The Si-M may be a silicon alloy, and the M may include at least one selected from the group consisting of a transition metal, an alkaline earth metal, a group 13 element, a group 14 element, and a rare earth element.
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公开(公告)号：US11424438B2
公开(公告)日：2022-08-23
申请号：US16576290
申请日：2019-09-19
发明人： Jieun Lee , Yeolmae Yeo , Seung-Min Oh , Sang Mok Park , Yoon Sung Lee , Dongjun Kim
IPC分类号： H01M4/00 , H01M4/131 , H01M4/1391 , H01M10/052 , H01M4/525 , H01M4/485
摘要： A cathode active material for a lithium secondary battery, the cathode method including a core including a lithium metal oxide and a coating layer disposed on the surface and the inner grain boundaries of the core, wherein the coating layer includes a metal carbide, and a method of manufacturing the same.
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公开(公告)号：US20210111409A1
公开(公告)日：2021-04-15
申请号：US16781705
申请日：2020-02-04
发明人： Kyo Min Shin , Yoon Ji Lee , Yeayeon Lee , Sungmin Choi , Yeolmae Yeo , Dong Hui Kim
IPC分类号： H01M4/62 , H01M10/0525 , H01M10/0562 , H01M2/16 , H01M4/134 , H01M4/36 , H01M4/38 , H01M4/583
摘要： Provided is a lithium secondary battery comprising: a cathode comprising a cathode active material; an anode comprising an anode active material composite; a separator positioned between the cathode and the anode; and an electrolyte, wherein the anode active material composite comprises: a core; a conductive composite film layer formed on a surface of the core and comprising a first conductive agent and a first binder; and a conductive layer formed on a surface of the conductive composite film layer and comprising a second conductive agent and a second binder.
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公开(公告)号：US20200313235A1
公开(公告)日：2020-10-01
申请号：US16573368
申请日：2019-09-17
发明人： Yoon Sung Lee , Sangjin Park , Shinkook Kong , Jung Young Cho , Dongjun Kim , Ikkyu Kim , Yeolmae Yeo , Jieun Lee , Sang Mok Park , SungHoon Lim
IPC分类号： H01M10/0567 , H01M4/131 , H01M4/133 , H01M4/134 , H01M4/36 , H01M4/38 , H01M4/505 , H01M4/525 , H01M4/587 , H01M10/0525
摘要： Disclosed is a lithium secondary battery having an improved lifetime. The lithium secondary battery may include: a cathode including a cathode active material; an anode including an anode active material; a separator disposed between the cathode and the anode; and an electrolyte including bis(trimethylsilyl) 2,2-thiodiacetate.
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