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Selective microbial electrosynthesis of methane by a pure culture of a marine lithoautotrophic archaeon

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Beese-Vasbender,  Pascal Fabien
Electrocatalysis, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

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Grote,  Jan-Philipp
Electrocatalysis, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

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Stratmann,  Martin
Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

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Mayrhofer,  Karl Johann Jakob
Electrocatalysis, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

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Citation

Beese-Vasbender, P. F., Grote, J.-P., Garrelfs, J., Stratmann, M., & Mayrhofer, K. J. J. (2015). Selective microbial electrosynthesis of methane by a pure culture of a marine lithoautotrophic archaeon. Bioelectrochemistry, 102, 50-55. doi:10.1016/j.bioelechem.2014.11.004.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0024-5BA2-F
Abstract
Highlights • A lithoautotrophic archaeon selectively produces methane at − 0.4 V vs. SHE. • Methane production by strain IM1 proceeds with a coulomb efficiency of 80%. • CO2 reduction by strain IM1 features a low overpotential of only − 0.16 V vs. SHE. • Below − 0.4 V vs. SHE selectivity changes and H2 is evolved in a second pathway. • Strain IM 1 shows great promise for bioelectrical conversion of renewable energy.