Methanol fuel cells
The present invention relates to direct and reformate methanol fuel cells containing an anode comprising semiconductor layers. A semiconductor layer, preferably silicon or silicon carbide, is overlaid with a TiO2 layer. An open metal over-layer, preferably platinum optionally applied over a layer of...
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| creator | EGERTON TERRENCE ARTHUR CHRISTENSEN PAUL ANDREW WRIGHT NICHOLAS GEORGE |
| description | The present invention relates to direct and reformate methanol fuel cells containing an anode comprising semiconductor layers. A semiconductor layer, preferably silicon or silicon carbide, is overlaid with a TiO2 layer. An open metal over-layer, preferably platinum optionally applied over a layer of inert metal such as gold, is deposited on the TiO2 layer, optionally in the form of a grid. It has been found that the active OH species generated in the presence and absence of light irradiation at the TiO2 surface in this device eliminates the need for ruthenium to be present. Furthermore, studies have unexpectedly shown that an electric field applied via an electrode on the surface of the TiO2 appears not to be required for the benefits to occur. This invention is thought to be particularly applicable to micro fuel cells. |
| format | Patent |
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A semiconductor layer, preferably silicon or silicon carbide, is overlaid with a TiO2 layer. An open metal over-layer, preferably platinum optionally applied over a layer of inert metal such as gold, is deposited on the TiO2 layer, optionally in the form of a grid. It has been found that the active OH species generated in the presence and absence of light irradiation at the TiO2 surface in this device eliminates the need for ruthenium to be present. Furthermore, studies have unexpectedly shown that an electric field applied via an electrode on the surface of the TiO2 appears not to be required for the benefits to occur. This invention is thought to be particularly applicable to micro fuel cells.</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; ELECTRICITY ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><creationdate>2008</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20081210&DB=EPODOC&CC=CN&NR=101322276A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20081210&DB=EPODOC&CC=CN&NR=101322276A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>EGERTON TERRENCE ARTHUR</creatorcontrib><creatorcontrib>CHRISTENSEN PAUL ANDREW</creatorcontrib><creatorcontrib>WRIGHT NICHOLAS GEORGE</creatorcontrib><title>Methanol fuel cells</title><description>The present invention relates to direct and reformate methanol fuel cells containing an anode comprising semiconductor layers. A semiconductor layer, preferably silicon or silicon carbide, is overlaid with a TiO2 layer. An open metal over-layer, preferably platinum optionally applied over a layer of inert metal such as gold, is deposited on the TiO2 layer, optionally in the form of a grid. It has been found that the active OH species generated in the presence and absence of light irradiation at the TiO2 surface in this device eliminates the need for ruthenium to be present. Furthermore, studies have unexpectedly shown that an electric field applied via an electrode on the surface of the TiO2 appears not to be required for the benefits to occur. 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A semiconductor layer, preferably silicon or silicon carbide, is overlaid with a TiO2 layer. An open metal over-layer, preferably platinum optionally applied over a layer of inert metal such as gold, is deposited on the TiO2 layer, optionally in the form of a grid. It has been found that the active OH species generated in the presence and absence of light irradiation at the TiO2 surface in this device eliminates the need for ruthenium to be present. Furthermore, studies have unexpectedly shown that an electric field applied via an electrode on the surface of the TiO2 appears not to be required for the benefits to occur. This invention is thought to be particularly applicable to micro fuel cells.</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
| title | Methanol fuel cells |
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