Patent · US Active

Fuel cell unit

US12255361B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Andreas Ringk · Bamberg, DE
Anton Ringel · Bamberg, DE

Key dates

Filing date	May 7, 2020
Grant date	Mar 18, 2025
Priority date	—
Expiry date	Apr 1, 2042

Classification

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

Abstract

Fuel cell unit in the form of a fuel cell stack for producing electrical energy in an electrochemical manner, comprising fuel cells, the fuel cells each comprising a proton exchange membrane, an anode, a cathode, a gas diffusion layer, a bipolar plate, at least one fluid channel for the passage of a fluid, at least one seal (11) composed of a sealing material (42) for sealing off the at least one fluid channel (37), wherein particles (41) composed of a particle material (43) are arranged in the sealing material (42) of the at least one seal (11), for the purpose of extending the diffusion path (38) of the fluid which is sealed off by the at least one seal (11).

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