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Title: Method and design for externally applied laser welding of internal connections in a high power electrochemical cell

An electrochemical cell includes components that are welded from an external source after the components are assembled in a cell canister. The cell canister houses electrode tabs and a core insert. An end cap insert is disposed opposite the core insert. An external weld source, such as a laser beam, is applied to the end cap insert, such that the end cap insert, the electrode tabs, and the core insert are electrically coupled by a weld which extends from the end cap insert to the core insert.
Authors:
; ;
Publication Date:
OSTI Identifier:
1117849
Report Number(s):
8,632,907
12/623,967
DOE Contract Number:
FC26-05NT42403
Resource Type:
Patent
Research Org:
A123 Systems LLC, Livonia, MI, USA
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE