Nickel-gold alloys efficiently converts heat at record thermoelectric power factor

 https://www.tuwien.at/en/tu-wien/news/news-articles/news/goldene-aussichten-fuer-thermoelektrika

"high conductivity and large Seebeck coefficient... at 10% added nickel thermoelectric performance increases rapidly... less expensive substitutes for gold being studied... space exploration, portable refrigerators, waste heat conversion, smartwatches (autonomous charge using wearer's body heat)"

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