Carbon Nanocomposite Membrane Electrolytes for Direct Methanol Fuel Cells-A Concise Review

resumo

A membrane electrolyte that restricts the methanol cross-over while retaining proton conductivity is essential for better electrochemical selectivity in direct methanol fuel cells (DMFCs). Extensive research carried out to explore numerous blends and composites for application as polymer electrolyte membranes (PEMs) revealed promising electrochemical selectivity in DMFCs of carbon nanomaterial-based polymer composites. The present review covers important literature on different carbon nanomaterial-based PEMs reported during the last decade. The review emphasises the proton conductivity and methanol permeability of nanocomposite membranes with carbon nanotubes, graphene oxide and fullerene as additives, assessing critically the impact of each type of filler on those properties.

palavras-chave

PROTON-EXCHANGE MEMBRANES; SULFONATED GRAPHENE OXIDE; POLY(ETHER ETHER KETONE); CONDUCTING POLYMER ELECTROLYTE; NAFION/SILICA HYBRID MEMBRANE; COMPOSITE MEMBRANES; HIGH-PERFORMANCE; NAFION MEMBRANE; WATER-RETENTION; ELECTROCHEMICAL PROPERTIES

categoria

Science & Technology - Other Topics; Materials Science

autores

Rambabu, G; Bhat, SD; Figueiredo, FML

nossos autores

agradecimentos

This work was supported by Council for Scientific and Industrial Research, India, and the through projects UniRCell (SAICTPAC/0032/2015, POCI-01-0145-FEDER-016422), and CICECO-Aveiro Institute of Materials (UID/CTM/50011/2019), financed by national funds through the FCT/MEC, and when applicable, co-financed by FEDER under the PT2020 Partnership Agreement.

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