Abstract:
A macroscopic heterostructure synthesized in the form of a germanium-hydroxide proton conductor-graphite assembly generates electric voltage comparable with that in polymer microfuel cells (0.7 V). Germanium-containing heterostructures, operating at room temperature and involving no precious metals, can be used as electric current sources for low-power devices. From the fundamental standpoint, a new combination of solid hydroxide proton conductors with group-IV electrodes is also of interest.
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