Patent · US Expired

Liquid-cooled fuel cell battery

US6309774A · kind A · utility

8Cited by

4References

6Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Peter Buchner · Kirchheim unter Teck, DE
Rittmar Von Helmolt · Mainz, DE
Manfred Waidhas · Koblenzer Straße, DE

Key dates

Filing date	May 21, 1999
Grant date	Oct 30, 2001
Priority date	—
Expiry date	May 21, 2019

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/50
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention is directed to a battery with liquid cooling composed of at least two fuel cells that respectively comprise a negative pole plate, a membrane electrode unit and a positive pole plate that are connected to one another mechanically rigidly, gas-tight and electronically insulating by a frame element, whereby the battery is immersed into a coolant bath.

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