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.

公开(公告)号：US20200220137A1

公开(公告)日：2020-07-09

申请号：US16631408

申请日：2018-07-17

Applicant: JAPAN VILENE COMPANY, LTD.

Inventor： Hiroki CHO ,  Yoshinori SATO ,  Ayuka NOGUCHI ,  Akihiko KAWANO ,  Masanao TANAKA ,  Yasuhiro ITO

IPC: H01M2/16

Abstract: Disclosed herein is a separator for an electrochemical element, comprising a fibrous structure, wherein the fibrous structure has a first fibrous layer part in which short fibers and/or pulp-like fibers are intertwined with each other, and a second fibrous layer part; some of the short fibers and/or the pulp-like fibers constituting the first fibrous layer part penetrates the second fibrous layer part; and a pore diameter distribution of the fibrous structure satisfies the following formula: 0 μm

公开(公告)号：US20220231377A1

公开(公告)日：2022-07-21

申请号：US17716776

申请日：2022-04-08

Applicant: JAPAN VILENE COMPANY, LTD.

Inventor： Hiroki CHO ,  Yoshinori SATO ,  Ayuka NOGUCHI ,  Akihiko KAWANO ,  Masanao TANAKA ,  Yasuhiro ITO

IPC: H01M50/44 ,  H01M50/429 ,  H01M50/449

Abstract: Disclosed herein is a separator for an electrochemical element, comprising a fibrous structure, wherein the fibrous structure has a first fibrous layer part in which short fibers and/or pulp-like fibers are intertwined with each other, and a second fibrous layer part; some of the short fibers and/or the pulp-like fibers constituting the first fibrous layer part penetrates the second fibrous layer part; and a pore diameter distribution of the fibrous structure satisfies the following formula: 0 μm