公开(公告)号：US20240313349A1

公开(公告)日：2024-09-19

申请号：US18576650

申请日：2022-07-06

Applicant: JAPAN VILENE COMPANY, LTD.

Inventor： Akihiko KAWANO ,  Hiroki CHO ,  Takashi TARAO ,  Emi YAMAMOTO ,  Masanao TANAKA

IPC: H01M50/434 ,  H01M50/42 ,  H01M50/44 ,  H01M50/446 ,  H01M50/449

CPC classification number: H01M50/434 ,  H01M50/42 ,  H01M50/44 ,  H01M50/446 ,  H01M50/449

Abstract: The present disclosure is an alkaline battery separator that includes a porous substrate and zirconia particles and satisfies at least one of (1) the half width of the peak with the highest intensity that appears when the alkaline battery separator is measured by X-ray diffraction is 0.40 degrees or more, (2) the zirconia particles contained in the alkaline battery separator has a peak in the range of 3200 to 3600 cm-1 when measured by FT-IR, and (3) the zirconia particles contained in the alkaline battery separator has a moisture content of 2.0% or more.