High Power Density Electrochemical Thermocells for Inexpensively Harvesting Low‐Grade Thermal Energy

High Power Density Electrochemical Thermocells for Inexpensively Harvesting Low‐Grade Thermal Energy

Continuously operating thermo‐electrochemical cells (thermocells) are of interest for harvesting low‐grade waste thermal energy because of their potentially low cost compared with conventional thermoelectrics. Pt‐free thermocells devised here provide an output power of 12 W m−2 for an interelectrode...

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Veröffentlicht in:Advanced materials (Weinheim) 2017-03, Vol.29 (12), p.np-n/a
Hauptverfasser: Zhang, Long, Kim, Taewoo, Li, Na, Kang, Tae June, Chen, Jun, Pringle, Jennifer M., Zhang, Mei, Kazim, Ali H., Fang, Shaoli, Haines, Carter, Al‐Masri, Danah, Cola, Baratunde A., Razal, Joselito M., Di, Jiangtao, Beirne, Stephen, MacFarlane, Douglas R., Gonzalez‐Martin, Anuncia, Mathew, Sibi, Kim, Yong Hyup, Wallace, Gordon, Baughman, Ray H.
Format: Artikel
Sprache:eng
Schlagworte:
Electrochemical cells
Energy density
Energy harvesting
Harvesting
Low cost
Pressure
Thermal energy
thermocells
Thermoelectricity
thermogalvanic
thermo‐electrochemical
Wastes
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Zusammenfassung:Continuously operating thermo‐electrochemical cells (thermocells) are of interest for harvesting low‐grade waste thermal energy because of their potentially low cost compared with conventional thermoelectrics. Pt‐free thermocells devised here provide an output power of 12 W m−2 for an interelectrode temperature difference (ΔT) of 81 °C, which is sixfold higher power than previously reported for planar thermocells operating at ambient pressure.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201605652