Regenesys Technologies Limited

Timothy James Calver

Philip John Mitchell

Stewart Ernest Male

Ian Whyte

A carbon based electrode for the electrochemical reduction of sulfur or oxygen, which comprises an electrode core and, in electrical contact therewith, a structure comprising a porous particulate activated carbon bonded with a polymeric binder material, characterised in that the structure is at least 1 mm thick, in that the particulate activated carbon is prepared from a lignocellulosic material and has the following properties: i) a particle size in the range of from 200 to 850 &mgr;m; ii) a pore volume of from 0.45 to 1.0 cm per gram; iii) a surface area in the range of from 800 to 1500 m /g; and in that the binder is used in an amount not exceeding 25% by weight based upon the mixture of activated carbon and binder material.

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Abingdon, United Kingdom

Timothy James Calver