Microbial electrosynthesis - revisiting the electrical route for microbial production.

Area of Science:

• Microbiology
• Electrochemistry
• Biotechnology

Background:

• Microbial electrocatalysis utilizes microorganisms at electrodes for reactions like power generation (microbial fuel cells) or H2 production (microbial electrolysis cells).
• Recent discoveries show electrical current can drive microbial metabolism, expanding applications beyond energy production.
• This has led to new avenues in bioremediation and the synthesis of fuels and chemicals.

Purpose of the Study:

• To review the principles, challenges, and opportunities of microbial electrosynthesis.
• To highlight microbial electrosynthesis as a novel route for producing valuable chemicals.
• To discuss the interdisciplinary nature of microbial electrosynthesis at the intersection of microbiology and electrochemistry.

Main Methods:

• Review of existing literature on microbial electrocatalysis, microbial fuel cells, and microbial electrolysis cells.
• Analysis of studies demonstrating the use of electrical current to drive microbial metabolism.
• Synthesis of information on the application of microbial electrosynthesis for chemical production.

Main Results:

• Microbial electrosynthesis enables the production of valuable chemicals using electricity and potentially wastewater.
• This technology offers a sustainable and novel pathway for chemical synthesis.
• The field is rapidly evolving with diverse applications emerging.

Conclusions:

• Microbial electrosynthesis is a promising new discipline with significant potential.
• It offers an attractive route for sustainable chemical production from renewable electricity or waste streams.
• Further research is needed to overcome challenges and fully realize the opportunities in this field.