4.8 Article

Sulfide bornite thermoelectric material: a natural mineral with ultralow thermal conductivity

Journal

ENERGY & ENVIRONMENTAL SCIENCE
Volume 7, Issue 12, Pages 4000-4006

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ee02428a

Keywords

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Funding

  1. National Basic Research Program of China (973-program) [2013CB632501]
  2. National Natural Science Foundation of China (NSFC) [5112064, 51222209]

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We report a new type of thermoelectric material, sulfide bornite (Cu5FeS4), which is a widespread natural mineral that is composed of non-toxic and earth-abundant elements. Bornite has ultralow thermal conductivity, tuneable electrical transport properties, and enhanced stability under large electric currents. It shows great potential as a new economical and eco-friendly thermoelectric material.

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