Abstract：
:Bioelectrochemical power-to-gas (BEP2G) is considered a potentially convenient way of storing renewable surplus electricity in the form of methane. In methane-producing bioelectrochemical systems (BESs), carbon dioxide and electrical energy are converted into methane, using electrodes that supply either electrons or hydrogen to methanogenic archaea. This review summarizes the performance of methane-producing BESs in relation to cathode potential, electrode materials, operational strategies, and inoculum. Analysis and estimation of energy input and production rates show that BEP2G may become an attractive alternative for thermochemical methanation, and biochemical methanogenesis. To determine if BEP2G can become a future power-to-gas technology, challenges relating to cathodic energy losses, choice of a suitable electron donor, efficient reactor design/operation, and experience with large reactors need to be overcome.
journal_name
Trends Biotechnoljournal_title
Trends in biotechnologyauthors
Geppert F,Liu D,van Eerten-Jansen M,Weidner E,Buisman C,Ter Heijne Adoi
10.1016/j.tibtech.2016.08.010subject
Has Abstractpub_date
2016-11-01 00:00:00pages
879-894issue
11eissn
0167-7799issn
1879-3096pii
S0167-7799(16)30148-2journal_volume
34pub_type
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