Citation: SUN Hao-Yu, PU Jin-Huan, TANG Gui-Hua. High-Performance Thermogalvanic Cell Based on Organic Nanofluids[J]. Acta Physico-Chimica Sinica, ;2016, 32(10): 2555-2562. doi: 10.3866/PKU.WHXB201606281 shu

High-Performance Thermogalvanic Cell Based on Organic Nanofluids

Key Laboratory of Thermal-fluid Science and Engineering of Ministry of Education, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, P. R. China

Received Date: 13 May 2016
Revised Date: 27 June 2016

Fund Project: The project was supported by the National Natural Science Foundation of China (51576156).

The thermoelectric performance of traditional thermogalvanic cells is relatively low and a more efficient conversion mechanism is required. In this paper, the distribution of glycerol/glycerin in an aqueous sodium chloride solution in a carbon nanotube (CNT) is investigated by molecular dynamics (MD) simulation. The distributions of ions, molecule net charge, and electrical potential of the system are markedly affected by temperature. We propose a novel nanofluid thermoelectric conversion method based on the CNT and glycerol/glycerin aqueous sodium chloride solution. The thermoelectric performance of the proposed system is much higher than that of most of current liquid thermogalvanic cells, and the application temperature range is also widened considerably. A preliminary thermal-to-electrical energy conversion experiment based on nanoporous carbon withmixtures of sodiumchloride and glycerol is also conducted to qualitatively verify the numerical results.
- Molecular dynamics,
- Thermogalvanic cell,
- Carbon nanotube,
- Low-temperature energy utilization,
- Thermoelectric conversion
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