Patent · US Active

Battery with a stack of bipolar individual battery cells

US9005797B2 · kind B2 · utility

2Cited by

1References

6Claims

0Family size

Assignee

Daimler AG · DE

Inventors

Dirk Schroeter · Winnenden, DE
Jens Meintschel · Bernsdorf, DE
Martin Ertle · Aalen, DE
Rainer Kaufmann · Delmenhorst, DE
Claudia Brasse · Meerbusch, DE
Claus-Rupert Hohenthanner · Hanau, DE
Joerg Kaiser · Emmendingen, DE

Key dates

Filing date	Jul 3, 2010
Grant date	Apr 14, 2015
Priority date	—
Expiry date	Sep 11, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A battery includes a stack of bipolar individual battery cells, each of which includes an electrode stack and two sheet metal covers bounding the individual battery cell at least in the stacking direction. The electrode stack is connected to at least one of the sheet metal covers by at least one weld. In the region of the at least one weld, the sheet metal cover welded to the electrode stack and/or the sheet metal cover of the adjacent individual battery cell in contact with the sheet metal cover is/are of a set-back design. As a result, the sheet metal covers of adjacent individual battery cells do not have any contact in the region of the at least one weld.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.