Molten electrode models

Wilemski, G. Simple porous electrode models for molten carbonate fuel cells. J. Electrochem. Soc. 1983, 130 (1), 117-120. 

The model of Wilemski and co-workers [2, 3,26] is one of the first molten carbonate fuel-cell electrode models. Together with the models of Jewulsld and Suski [28,34], they form the basis for the class of thin-film electrode models (Figure 28.4). The following general assumptions are made in thin-film models ... 

Yuh, C.Y. and Selman, ).R. (1992) Porous-electrode modeling of the molten-carbonate fuel-cell electrodes. 

Chapters I to III introduce the reader to the general problems of fuel cells. The nature and role of the electrode material which acts as a solid electrocatalyst for a specific reaction is considered in chapters IV to VI. Mechanisms of the anodic oxidation of different fuels and of the reduction of molecular oxygen are discussed in chapters VII to XII for the low-temperature fuel cells and the strong influence of chemisorhed species or oxide layers on the electrode reaction is outlined. Processes in molten carbonate fuel cells and solid electrolyte fuel cells are covered in chapters XIII and XIV. The important properties of porous electrodes and structures and models used in the mathematical analysis of the operation of these electrodes are discussed in chapters XV and XVI. 

Prins-Jansen, J.A. Hemmes, K. de Wit, J.H.W. An extensive treatment of the agglomerate model for porous electrodes in molten carbonate fuel cells—I. Qualitative analysis of the steady-state model. Electrochim. Acta 1997, 42 (23-24), 3585-3600. 

A new model for gas diffusion electrodes. Application to molten carbonate fuel cells. Chem. Eng. Sci., 47 (9-11), 2933-2938. 

Thus, with the help of voltaimnetric experiments in a judiciously chosen redox couple, one can pinpoint various energy states in the bulk as weU as on the surface of the semiconductor, This model was further supported by CV results obtained on WSc2 in aqueous solution (34, 35), GaAs in molten salt (36), Si, n-type ZnO, CdS, and GaP electrodes in acetonitrile (21), and CdS, GaP, GaAs, and p-type Ge in V,V -dimethylformamide (37). 

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