The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 28, 2003
Filed:
May. 24, 2001
Timothy James Calver, Abingdon, GB;
Stewart Ernest Male, East Grinstead, GB;
Philip John Mitchell, Loughborough, GB;
Ian Whyte, Milton Keynes, GB;
Regenesys Technologies Limited, Wiltshire, GB;
Abstract
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.