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公开(公告)号：US20220293951A1
公开(公告)日：2022-09-15
申请号：US17630265
申请日：2020-09-29
发明人： Soon Hyung Choi , Yong Jun Kim , Tae Gon Kim
摘要： An electrode includes an electrode active material layer, the electrode active material layer including an electrode active material and a conductive agent, the conductive agent including: graphene; a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded to each other; and carbon black, wherein the carbon nanotube structure is contained in the electrode active material layer in an amount of 0.01 wt % to 0.5 wt %. A secondary battery including the electrode is also provided.
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公开(公告)号：US20240186560A1
公开(公告)日：2024-06-06
申请号：US18073222
申请日：2022-12-01
发明人： Yong Jun Kim , Hee Seok Jeong , Ki Won Sung , Eun Ju Lee
IPC分类号： H01M10/04 , H01M50/105 , H01M50/538
CPC分类号： H01M10/0459 , H01M10/0468 , H01M50/105 , H01M50/538
摘要： The present invention provides an electrode assembly in which a negative electrode coated with a negative electrode active material on a surface of a negative electrode collector, a separator, and a positive electrode coated with a positive electrode active material on a surface of a positive electrode collector are repeatedly laminated, the electrode assembly comprising: monocells in which the positive electrode, the separator, the negative electrode, and the separator are laminated, wherein at least two or more monocells are laminated, wherein, in any one of the monocells, an expansion part extending lengthily to one side is formed on the separators, and the expansion part of the separator surrounds the monocells laminated to be disposed at the outermost layers to fix the laminated monocells.
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公开(公告)号：US20220285689A1
公开(公告)日：2022-09-08
申请号：US17625018
申请日：2020-09-28
发明人： Hyun Woong Yun , Yong Jun Kim , Soon Hyung Choi , Tae Gon Kim , Hoe Jin Hah
IPC分类号： H01M4/62
摘要： An electrode includes an electrode active material layer, the electrode active material layer including an electrode active material and a conductive agent, the conductive agent including: a point-type conductive agent; and a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded to each other, wherein the carbon nanotube structure has an average length of 1 μm to 500 μm, and the carbon nanotube structure is contained in the electrode active material layer in an amount of 0.01 wt % to 5.0 wt %. A secondary battery including the electrode is also provided.
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公开(公告)号：US12095023B2
公开(公告)日：2024-09-17
申请号：US18073222
申请日：2022-12-01
发明人： Yong Jun Kim , Hee Seok Jeong , Ki Won Sung , Eun Ju Lee
IPC分类号： H01M50/538 , H01M10/04 , H01M50/105
CPC分类号： H01M10/0459 , H01M10/0468 , H01M50/105 , H01M50/538
摘要： The present invention provides an electrode assembly in which a negative electrode coated with a negative electrode active material on a surface of a negative electrode collector, a separator, and a positive electrode coated with a positive electrode active material on a surface of a positive electrode collector are repeatedly laminated, the electrode assembly comprising: monocells in which the positive electrode, the separator, the negative electrode, and the separator are laminated, wherein at least two or more monocells are laminated, wherein, in any one of the monocells, an expansion part extending lengthily to one side is formed on the separators, and the expansion part of the separator surrounds the monocells laminated to be disposed at the outermost layers to fix the laminated monocells.
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公开(公告)号：US20240353497A1
公开(公告)日：2024-10-24
申请号：US18291987
申请日：2022-09-30
发明人： Yeo Kyung Yoon , Jeong In Yu , Yong Jun Kim
IPC分类号： G01R31/389 , G01R31/367 , G01R31/388 , H01M10/44
CPC分类号： G01R31/389 , G01R31/367 , G01R31/388 , H01M10/446
摘要： A charge protocol inspection apparatus including an information obtaining unit is configured to obtain information about a charge protocol of a battery cell, an open circuit voltage (OCV) corresponding to a state of charge (SoC) of the battery cell, and a reference internal resistance of the battery cell, calculate an internal resistance of the battery cell during charge based on the information about the charge protocol and the OCV corresponding to the SoC of the battery cell, and compare the reference internal resistance of the battery cell with the internal resistance of the battery cell during charge.
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公开(公告)号：US12057546B2
公开(公告)日：2024-08-06
申请号：US18073233
申请日：2022-12-01
发明人： Yong Jun Kim , Hee Seok Jeong , Ki Won Sung , Eun Ju Lee
IPC分类号： H01M50/538 , H01M10/04 , H01M50/105
CPC分类号： H01M10/0459 , H01M10/0468 , H01M50/105 , H01M50/538
摘要： The present invention provides an electrode assembly in which a negative electrode coated with a negative electrode active material on a surface of a negative electrode collector, a separator, and a positive electrode coated with a positive electrode active material on a surface of a positive electrode collector are repeatedly laminated, the electrode assembly comprising: monocells in which the positive electrode, the separator, the negative electrode, and the separator are laminated, wherein at least two or more monocells are laminated, wherein, in any one of the monocells, an expansion part extending lengthily to one side is formed on the separators, and the expansion part of the separator surrounds the monocells laminated to be disposed at the outermost layers to fix the laminated monocells.
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公开(公告)号：US20230097872A1
公开(公告)日：2023-03-30
申请号：US18073233
申请日：2022-12-01
发明人： Yong Jun Kim , Hee Seok Jeong , Ki Won Sung , Eun Ju Lee
IPC分类号： H01M10/04 , H01M50/105 , H01M50/538
摘要： The present invention provides an electrode assembly in which a negative electrode coated with a negative electrode active material on a surface of a negative electrode collector, a separator, and a positive electrode coated with a positive electrode active material on a surface of a positive electrode collector are repeatedly laminated, the electrode assembly comprising: monocells in which the positive electrode, the separator, the negative electrode, and the separator are laminated, wherein at least two or more monocells are laminated, wherein, in any one of the monocells, an expansion part extending lengthily to one side is formed on the separators, and the expansion part of the separator surrounds the monocells laminated to be disposed at the outermost layers to fix the laminated monocells.
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