Patent · US Expired

Fuel cells and batteries made thereof

US6087033A · kind A · utility

18Cited by

7References

17Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Horst Grune · Erlangen, DE
Peter Buchner · Kirchheim unter Teck, DE

Key dates

Filing date	May 28, 1997
Grant date	Jul 11, 2000
Priority date	—
Expiry date	May 28, 2017

Classification

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

Abstract

Fuel cells, each having a negative pole flange, a negative electrode, a membrane, a positive electrode, and a positive pole flange with at least four through openings for feed and discharge, are characterized in that the negative pole flange (21), the membrane (24), and the positive pole flange (26) are clamped together at the edges by a frame element (28) in a mechanically firm, gas-tight, and electronically insulating manner.

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