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1.发明公开公开(公告)号：US20240274823A1
公开(公告)日：2024-08-15
申请号：US18646276
申请日：2024-04-25
Applicant: LG Energy Solution, Ltd.
Inventor： Seong-Wook Kang , Jae-Sung Han , Dong-Mok Shin , Dong-Oh Shin , Kyung-Hwan Yoon , Kwang-Ho Yoo
IPC: H01M4/62 , H01M4/04 , H01M10/0525
CPC classification number: H01M4/623 , H01M4/0404 , H01M4/0416 , H01M4/0435 , H01M10/0525
Abstract: Disclosed is a method for manufacturing a dry electrode. The method allows determination of the micro-fibrilization degree of a binder resin from the crystallinity of the binder resin. Based on this, the processing conditions of mixed powder for electrode or an electrode film may be controlled. In this manner, it is possible to check and control the processing conditions easily and efficiently. In addition, the method for manufacturing a dry electrode includes a kneading step using a kneader under a low speed and high temperature and pulverization step. Therefore, there is no problem of blocking of a flow path caused by aggregation of the ingredients, which is favorable to mass production.
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公开(公告)号：US20240266542A1
公开(公告)日：2024-08-08
申请号：US18690925
申请日：2023-04-20
Applicant: LG Energy Solution, Ltd.
Inventor： Seong-Wook Kang , Jae-Sung Han , Sang-Min Kwak , Kyung-Hwan Yoon , Dong-Oh Shin , Ki-Seok Lee , Kwang-Ho Yoo , Nam-Jeong Lee
CPC classification number: H01M4/623 , C08J3/226 , C08K3/041 , C08L27/16 , H01M4/0404 , H01M4/139 , H01M4/625 , C08J2327/16 , C08J2427/18 , C08K2201/001 , C08K2201/003 , C08K2201/006 , C08K2201/011 , C08L2205/025 , C08L2310/00 , H01M2004/021
Abstract: The present disclosure relates to a conductive material master batch for use in an electrode and an electrode obtained by using the same. The electrode obtained by using the conductive material master batch has an electrode resistance of 55 ohm·cm or less.
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公开(公告)号：US12002962B2
公开(公告)日：2024-06-04
申请号：US17881879
申请日：2022-08-05
Applicant: LG Energy Solution, Ltd.
Inventor： Seong-Wook Kang , Jae-Sung Han , Dong-Mok Shin , Dong-Oh Shin , Kyung-Hwan Yoon , Kwang-Ho Yoo
IPC: H01M4/62 , H01M4/04 , H01M10/0525
CPC classification number: H01M4/623 , H01M4/0404 , H01M4/0416 , H01M4/0435 , H01M10/0525
Abstract: Disclosed is a method for manufacturing a dry electrode. The method allows determination of the micro-fibrilization degree of a binder resin from the crystallinity of the binder resin. Based on this, the processing conditions of mixed powder for electrode or an electrode film may be controlled. In this manner, it is possible to check and control the processing conditions easily and efficiently. In addition, the method for manufacturing a dry electrode includes a kneading step using a kneader under a low speed and high temperature and pulverization step. Therefore, there is no problem of blocking of a flow path caused by aggregation of the ingredients, which is favorable to mass production.
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公开(公告)号：US20230042207A1
公开(公告)日：2023-02-09
申请号：US17881879
申请日：2022-08-05
Applicant: LG Energy Solution, Ltd.
Inventor： Seong-Wook Kang , Jae-Sung Han , Dong-Mok Shin , Dong-Oh Shin , Kyung-Hwan Yoon , Kwang-Ho Yoo
IPC: H01M4/62 , H01M4/04 , H01M10/0525
Abstract: Disclosed is a method for manufacturing a dry electrode. The method allows determination of the micro-fibrilization degree of a binder resin from the crystallinity of the binder resin. Based on this, the processing conditions of mixed powder for electrode or an electrode film may be controlled. In this manner, it is possible to check and control the processing conditions easily and efficiently. In addition, the method for manufacturing a dry electrode includes a kneading step using a kneader under a low speed and high temperature and pulverization step. Therefore, there is no problem of blocking of a flow path caused by aggregation of the ingredients, which is favorable to mass production.
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