公开(公告)号：US20240287263A1

公开(公告)日：2024-08-29

申请号：US18617988

申请日：2024-03-27

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Taketo KATO ,  Kohei Yasuda ,  Taku Yamanaka ,  Masayoshi Miyamoto ,  Kenta Murayama ,  Ryota Usami ,  Hirotoshi Yoshida ,  Hiroyuki Sato ,  Emi Yamamoto ,  Kenta Nishimura ,  Nobuki Uraoka

IPC: C08J3/12 ,  C08F114/26

CPC classification number: C08J3/12 ,  C08F114/26 ,  C08J2327/18

Abstract: The disclosure aims to provide a polytetrafluoroethylene fine powder containing less water and less impurities. Provided is a polytetrafluoroethylene fine powder substantially free from water and a fluorine-containing compound having a molecular weight of 1000 or less.

公开(公告)号：US20240243293A1

公开(公告)日：2024-07-18

申请号：US18617779

申请日：2024-03-27

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Taketo KATO ,  Takaya Yamada ,  Kohei Yasuda ,  Taku Yamanaka ,  Junpei Terada ,  Masayoshi Miyamoto ,  Kenta Murayama ,  Ryota Usami ,  Hirotoshi Yoshida

IPC: H01M4/62

CPC classification number: H01M4/623

Abstract: The disclosure aims to provide a polytetrafluoroethylene powder for an electrode binder which is a sustainable product and can reduce or prevent gas generation inside a battery cell and deterioration of battery characteristics, an electrode binder, an electrode mixture, an electrode, and a secondary battery. Provided is a polytetrafluoroethylene powder for use as an electrode binder, the polytetrafluoroethylene powder being substantially free from water and a fluorine-containing compound having a molecular weight of 1000 or less.