Title:
APPARATUS AND METHOD FOR WELDING SECONDARY BATTERY ELECTRODE
Document Type and Number:
WIPO Patent Application WO/2012/064003
Kind Code:
A1
Abstract:
The present invention relates to a welding apparatus for a first electrode provided in a first secondary battery and a second electrode provided in a second secondary battery, in which the welding apparatus comprises: a beam irradiator outputting a laser beam having energy which is higher than the melting point of the first electrode and lower than the melting point of the second electrode; and an optical system which condenses the laser beam outputted from the beam irradiator and in which the laser beam irradiates contact portions of the first and second electrodes.
Inventors:
HAN YOU HIE (KR)
Application Number:
PCT/KR2011/004194
Publication Date:
May 18, 2012
Filing Date:
June 08, 2011
Export Citation:
Assignee:
IPG PHOTONICS KOREA LTD (KR)
HAN YOU HIE (KR)
HAN YOU HIE (KR)
International Classes:
B23K26/20; H01M10/04
Domestic Patent References:
| WO2006016441A1 | 2006-02-16 |
Foreign References:
| JP2005238249A | 2005-09-08 | |||
| JP2007330972A | 2007-12-27 |
Attorney, Agent or Firm:
KIM, SEONG NAM (KR)
김성남 (KR)
김성남 (KR)
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Claims: