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Patent Searching and Data


Title:
METHOD FOR MANUFACTURING SEPARATOR, SEPARATOR, AND LITHIUM ION SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/163660
Kind Code:
A1
Abstract:
The method for manufacturing a separator (20) according to the present invention is a manufacturing method for manufacturing the separator (20) that is provided with a resin layer (21), and a ceramic layer (23) that is provided on one surface of the resin layer (21), said method including a step for cutting the separator to a predetermined size by applying, from the ceramic layer (23) side, laser light having a wavelength of 300-600 nm. Furthermore, the separator (20) according to the present invention is provided with: the resin layer (21); the ceramic layer (23) that is provided on the one surface of the resin layer (21); and a curled section (27) formed by curling at least one end section (25) of the separator (20) toward the surface on the resin layer (21) side.

Inventors:
TAKAHASHI Kento (1120, Shimokuzawa, Chuo-ku, Sagamihara-sh, Kanagawa 98, 〒2525298, JP)
OBONAI Fumiaki (1120, Shimokuzawa, Chuo-ku, Sagamihara-sh, Kanagawa 98, 〒2525298, JP)
Application Number:
JP2018/002882
Publication Date:
September 13, 2018
Filing Date:
January 30, 2018
Export Citation:
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Assignee:
NEC ENERGY DEVICES, LTD. (1120, Shimokuzawa Chuo-ku, Sagamihara-sh, Kanagawa 98, 〒2525298, JP)
International Classes:
H01M2/16; H01M2/18
Foreign References:
JP2013119094A2013-06-17
JP2016171050A2016-09-23
JP2013119095A2013-06-17
JP2017033746A2017-02-09
Attorney, Agent or Firm:
HAYAMI Shinji (KDX Gotanda Bldg. 9F, 9-2 Nishi-Gotanda 7-chome, Shinagawa-k, Tokyo 31, 〒1410031, JP)
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