Patent Number: 8,067,131

Title: Contact device and fuel cell stack or fuel cell block comprising one such contact device

Abstract: The invention relates to a contact device which is arranged in a terminal compartment of a fuel cell stack and is used to electrically contact the fuel cell stack. According to the invention, the surface of said contact device is at least partially provided with a hydrophobic surface layer, facilitating the removal of water, e.g., condensation water, from the terminal compartment and thus from the fuel cell stack.

Inventors: Hammerschmidt; Albert (Erlangen, DE), Hartnack; Herbert (Erlangen, DE), Mattejat; Arno (Erlangen, DE), Mehltretter; Igor (Buckenhof, DE)

Assignee: Siemens Aktiengesellschaft

International Classification: H01M 8/24 (20060101)

Expiration Date: 2020-11-29 0:00:00