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