Title:
集電体用金属箔の製造方法
Document Type and Number:
Japanese Patent JP6535662
Kind Code:
B2
Abstract:
A current-collector metal foil has at least at least one roughened surface and numerous recessed parts are present on the roughened surface. Each recessed part has an edge part that surrounds a bottom-surface part and is raised above the bottom-surface part. The average Feret diameter Lave of the recessed parts is 0.5-50 μm. The current-collector metal foil is suitable for use, e.g., as an electrode current collector for a lithium-ion secondary battery, a sodium secondary battery, an electric double-layer capacitor, or a lithium-ion capacitor.
Inventors:
Koichi Ashizawa
Tetsuya Motoi
Atsushi Koishikawa
Funato Nei
Tetsuya Motoi
Atsushi Koishikawa
Funato Nei
Application Number:
JP2016525215A
Publication Date:
June 26, 2019
Filing Date:
June 03, 2015
Export Citation:
Assignee:
Uacj Co., Ltd.
International Classes:
B21D33/00; H01M4/70; B21D53/00; H01G11/68; H01G11/70; H01M4/66
Domestic Patent References:
| JP2013110049A | ||||
| JP2005310502A | ||||
| JP2005158397A | ||||
| JP11135368A | ||||
| JP8174015A | ||||
| JP2011165637A | ||||
| JP2010525160A |
Foreign References:
| WO2013128685A1 | ||||
| US4917962 |
Attorney, Agent or Firm:
Patent Business Corporation Aichi International Patent Office