Patent Number: 8,492,048

Title: Fuel cells

Abstract: A redox fuel cell comprising an anode and a cathode separated by an ion selective polymer electrolyte membrane; means for supplying a fuel to the anode region of the cell; means for supplying an oxidant to the cathode region of the cell; means for providing an electrical circuit between the anode and the cathode; a catholyte solution comprising a modified ferrocene species being at least partially reduced at the cathode in operation of the cell, and at least partially re-generated by reaction with the oxidant after such reduction at the cathode.

Inventors: Knuckey; Kathryn (Ormskirk, GB), Creeth; Andrew (Chester, GB)

Assignee: Acal Energy Limited

International Classification: H01M 8/10 (20060101); H01M 8/00 (20060101); C07F 15/00 (20060101); H01M 8/08 (20060101); H01M 4/36 (20060101); H01M 8/24 (20060101); C07F 17/02 (20060101)

Expiration Date: 2021-07-23 0:00:00