| Patent Number |
Title Of Patent |
Date Issued |
| 7309541 |
Fuel cell |
December 18, 2007 |
| A fuel cell includes plural gas flow channels, a switching device, and a variable gas flow channel with the function of switching the connection between one gas flow channel and another gas flow channel from series to parallel or from parallel to series. |
| 7151069 |
Manufacturing processes of catalyst layer for fuel cell |
December 19, 2006 |
| The feature of the process for ultra-low alloy catalyst loading electrode according to this invention is to reduce its alloy formation period of aging process subsequent to hydrogen reduction process of catalyst ions after ion exchange process of proton for their ions in the cluster of t |
| 7147957 |
Electrode for fuel cell and manufacturing method therefor |
December 12, 2006 |
| In an electrode for a fuel cell, a catalyst layer contains a solid polymer electrolyte, catalyst particles and porous polymer. The porous polymer is provided for the inside portions of pores of said catalyst layer and/or the surface of said catalyst layer. |
| 6866960 |
Electrodes for fuel cell and processes for producing the same |
March 15, 2005 |
| An electrode for a fuel cell of the invention comprises a cation-exchange resin, carbon particles and a catalyst metal which is amorphous. The electrode has high activity, a high catalyst utilization and high CO tolerance and is highly active in the electrochemical oxidation reaction |
| 6730427 |
Electrode for fuel cell and method of manufacturing the same |
May 4, 2004 |
| Catalyst material containing two or more kinds of metal elements or/and silicon are mainly carried in proton conductive passages of a solid polymer electrolyte and the surface of each of carbon particles which abut on each the proton conductive passages. |
| 6730404 |
Composite active material and process for the production thereof, electrode and process for the |
May 4, 2004 |
| The high rate discharge performance and cyclability are improved. A battery having a hich capacity density and excellent cyclability and safety performance can be produced. A composite active material provided with a polymer on the surface of a carbon-based active material in an amount o |
| 6528201 |
Electrode for fuel cell and process for producing the same |
March 4, 2003 |
| An electrode for fuel cell is made of a solid polymer electrolyte-catalyst composite electrode containing a cation-exchange resin, carbon particles and a catalyst metal. The catalyst metal is loaded mainly on the surface of the carbon particles in contact with the proton-conductive passa |
| 6492295 |
Composite catalyst for solid polymer electrolyte type fuel cell and processes for producing the |
December 10, 2002 |
| A composite catalyst which comprises a catalyst particle and at least one member selected from the group consisting of a porous or net-form cation-exchange resin and a porous or net-form hydrophobia polymer, wherein the resin and polymer exist on the surface of the catalyst particle. |
| 5415760 |
Galvanic cell type gas concentration sensor system capable of detecting more than one type of ga |
May 16, 1995 |
| A galvanic cell type gas sensor which utilizes the respective merits of galvanic cell type and polaro type gas sensors so that a plurality of gasses can be detected by one sensor. One working electrode is utilized in conjunction with two or more counter electrodes which are different in |
