Architecture Engineering
of Hierarchically Porous
Chitosan/Vacuum-Stripped Graphene Scaffold as Bioanode for High Performance
Microbial Fuel Cell
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Abstract
The bioanode is the defining feature of microbial fuel
cell (MFC)
technology and often limits its performance. In the current work,
we report the engineering of a novel hierarchically porous architecture
as an efficient bioanode, consisting of biocompatible chitosan and
vacuum-stripped graphene (CHI/VSG). With the hierarchical pores and
unique VSG, an optimized bioanode delivered a remarkable maximum power
density of 1530 mW m<sup>–2</sup> in a mediator-less MFC, 78
times higher than a carbon cloth anode