Forced Evolution

According to the University, a film of natural geobacter sulfurreducens strain DL-1 can produce 1.4A/m2 and 0.5 W/m2 in a fuel cell.

By culturing DL-1 in a graphite electrode at -400mV (against Ag/AgCl) for five months, selective pressure produced a strain that the University claims can produce densities of 7.6A/m2 and 3.9W/m2.

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