A breakthrough improvement in ultra-efficient thermoelectric materials, which can convert heat into electricity and vice versa, has great potential for applications ranging from low-maintenance, solid-state refrigeration to compact, zero-carbon power generation–possibly including small, personal devices powered by the body’s own heat. Heat ‘harvesting’ takes advantage of the free, plentiful heat sources provided by body heat, automobiles, everyday living, and industrial process.
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Source: ScienceDaily