Kiran, Vankayala ; Kalidindi, Suresh Babu ; Jagirdar, Balaji Rao ; Sampath, Srinivasan (2011) Electrochemical oxidation of boron containing compounds on titanium carbide and its implications to direct fuel cells Electrochimica Acta . ISSN 0013-4686
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.electacta.2011.04.032
Abstract
Electrochemical oxidation of sodium borohydride (NaBH4) and ammonia borane (NH3BH3) (AB) have been studied on titanium carbide electrode. The oxidation is followed by using cyclic voltammetry, chronoamperometry and polarization measurements. A fuel cell with TiC as anode and 40 wt% Pt/C as cathode is constructed and the polarization behaviour is studied with NaBH4 as anodic fuel and hydrogen peroxide as catholyte. A maximum power density of 65 mW cm-2 at a load current density of 83 mA cm-2 is obtained at 343 K in the case of borhydride-based fuel cell and a value of 85 mW cm-2 at 105 mA cm-2 is obtained in the case of AB-based fuel cell at 353 K.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Titanium Carbide; Sodium Borohydride; Ammonia Borane; Voltammerty; Fuel Cell |
| ID Code: | 57333 |
| Deposited On: | 26 Aug 2011 08:15 |
| Last Modified: | 26 Aug 2011 08:15 |
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