Title:
CYLINDRICAL SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2015115237
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reduce poor welding of a conductive lead being welded to a battery lid unit or an electrode collector member.SOLUTION: A conductive lead laminate 50 has projections 61, 62 where the one tips 55, 58 of a first conductive lead formation 51 and a second conductive lead formation 52 are projecting from the other tips 56, 57, at at least one of the one end and the other end. The projections are welded to a positive electrode collector ring 27 in the region of the projection 61, and welded to a lid unit 30 in the region of the projection 62.
Inventors:
AKAIKE IKUMI
SASAKI TAKASHI
SASAKI TAKASHI
Application Number:
JP2013257368A
Publication Date:
June 22, 2015
Filing Date:
December 12, 2013
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD
International Classes:
H01M2/26; H01M10/04
Attorney, Agent or Firm:
Fuyuki Nagai