The Transport of Hydrogen to Cylindrical Anodes in Stirred Electrolytes

Cairns, Elton J.; Breitenstein, Adrian M.

doi:10.1149/1.2426590

Cited by 6 publications

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“…Electrolyte.--The electrolyte chosen for this work was the m a x i m u m -b o i l i n g H F -H 2 0 azeotrope, containing approximately 36 m / o hydrofluoric acid which boils at approximately 112~ (7,8,11). This electrolyte has several advantages: 1.…”

Section: Methodsmentioning

confidence: 99%

“…The temperature of operation was 105~ This is near the m a x i m u m operational temperature attainable with this electrolyte at atmospheric pressure, and its selection is consistent with carbon deposition considerations (12,13) and previously observed performance-temperature relationships (8). Under these conditions, the electrolyte has a resistivity of 1.8 ohm-cm (11). A schematic diagram of the entire apparatus is shown in Fig.…”

Section: Methodsmentioning

confidence: 99%

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High Activity Platinum Electrocatalysts for the Direct Anodic Oxidation of Saturated Hydrocarbons

Cairns

Mclnerney

1967

J. Electrochem. Soc.

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The fact that hydrocarbon fuels can be directly oxidized at reasonable current densities using fuel cells with platinum anodes and acidic electrolytes has been demonstrated previously. The next logical step was to reduce the amount of platinum electrocatalyst required for a given current density. Two approaches have been taken toward this objective: the preparation of higher activity unsupported electrocatalysts, and the use of conducting support materials to permit more effective utilization of the platinum. Results are reported for the anodic oxidation of both gaseous and liquid normal saturated hydrocarbons using a number of unsupported and carbon‐supported electrocatalysts. Indications are that power densities of about 35 mw/cm2 (resistance‐free) are possible with a propane‐oxygen fuel cell using 36 m/o (mole per cent) hydrofluoric acid at 105°C as the electrolyte with an anode containing 10 mg Pt/cm2 as a carbon‐supported electrocatalyst.

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Section: Methodsmentioning

confidence: 99%