Dear Colleagues,

The field of biofuel cells has grown significantly in recent times, partly spurred by hopes of becoming the power source of choice in star applications such as implants or small and disposable electronic devices. Despite the huge research efforts made towards sustaining higher power outputs longer, these appears to be limited to the µW·cm-2–mW·cm-2 range. Although this is certainly enough to run present-day low-power electronics, biofuel cells are still too costly to be considered a competitive alternative to other power sources, regardless of their application.

This Special Issue represents an opportunity to showcase the latest advances in the area of biofuel cells, from fundamental aspects related to bio-electrocatalysis, including the engineering of better biocatalysts, to the wiring of the latter to electrodes to increase electron transfer rates, through to developments in low-power electronics and integration technologies. Regarding applications, this Special Issue is particularly open to contributions featuring sensing applications of biofuel cells, which may represent more suitable applications than power sources alone. The best examples are perhaps self-powered sensors, where the biofuel cell output (power, current or potential) is proportional to an analyte concentration. This includes toxicity sensors based on inhibition or enhancement of power output in the presence of target analytes.

I would like to invite you to participate in this Special Issue on biofuel cells. Both original research papers and review articles are welcome.

Dr. Francisco Javier del Campo
Guest Editor

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