公开(公告)号：US20240274820A1

公开(公告)日：2024-08-15

申请号：US18283377

申请日：2022-03-18

Applicant: WINGO TECHNOLOGY CO., LTD. ,  DKS CO. LTD.

Inventor： Toshiyuki GOSHIMA ,  Win Maw SOE ,  Atsuhiko HIBINO ,  Masashi NAKAYAMA ,  Tetsuya HIGASHIZAKI

IPC: H01M4/62 ,  C08G73/10 ,  H01M4/02 ,  H01M4/13 ,  H01M10/0525

CPC classification number: H01M4/62 ,  C08G73/10 ,  C08G73/105 ,  C08G73/1064 ,  H01M4/13 ,  H01M10/0525 ,  H01M2004/028

Abstract: A polyimide used as an electrode material capable of remarkably improving the cycle characteristics of a lithium-ion secondary battery is provided. The polyimide is a polyimide used as an electrode material for lithium-ion secondary batteries, in which a diamine component contains an aromatic diamine compound represented by the following Formula (1).

公开(公告)号：US20220162445A1

公开(公告)日：2022-05-26

申请号：US17427670

申请日：2019-02-01

Applicant: WINGO TECHNOLOGY CO., LTD.

Inventor： Toshiyuki GOSHIMA ,  Win Maw SOE

IPC: C08L79/08 ,  C08G73/10

Abstract: Provided a polyimide compound having high heat resistance and transparency. The polyimide compound according to the present invention is characterized in that it is a reaction product of a diamine compound represented by the following general formula (1): and an alicyclic tetracarboxylic acid dianhydride represented by the following general formula (2).