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:
Nov. 29, 2005
Filed:
May. 16, 2002
Giuseppe D'arrigo, Tremestieri Etneo, IT;
Salvatore Coffa, Tremestieri Etneo, IT;
Rosario Corrado Spinella, Catania, IT;
Giuseppe D'Arrigo, Tremestieri Etneo, IT;
Salvatore Coffa, Tremestieri Etneo, IT;
Rosario Corrado Spinella, Catania, IT;
STMicroelectronics S.r.l., Agrate Brianza, IT;
Abstract
A fuel cell for an electrical load circuit includes a first monocrystalline silicon substrate and a positive half-cell formed therein, and a second monocrystalline silicon substrate and a positive half-cell formed therein. Each half-cell includes a microporous catalytic electrode permeable to a gas and connectable to the electrical load circuit. A cell area is defined on a surface of each respective monocrystalline silicon substrate, and includes a plurality of parallel trenches formed therein for receiving the gas to be fed to the respective microporous catalytic electrode. A cation exchange membrane separates the two microporous catalytic electrodes. Each half-cell includes a passageway for feeding the respective gas to the corresponding microporous catalytic electrode.