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Title: Enhancing hydrovoltaic power generation through heat conduction effects
Authors: Li, Lianhui
Feng, Sijia
Bai, Yuanyuan
Yang, Xianqing
Liu, Mengyuan
Hao, Mingming
Wang, Shuqi
Wu, Yue
Sun, Fuqin
Liu, Zheng
Zhang, Ting
Keywords: Engineering::Materials
Issue Date: 2022
Source: Li, L., Feng, S., Bai, Y., Yang, X., Liu, M., Hao, M., Wang, S., Wu, Y., Sun, F., Liu, Z. & Zhang, T. (2022). Enhancing hydrovoltaic power generation through heat conduction effects. Nature Communications, 13(1), 1043-.
Journal: Nature Communications 
Abstract: Restricted ambient temperature and slow heat replenishment in the phase transition of water molecules severely limit the performance of the evaporation-induced hydrovoltaic generators. Here we demonstrate a heat conduction effect enhanced hydrovoltaic power generator by integrating a flexible ionic thermoelectric gelatin material with a porous dual-size Al2O3 hydrovoltaic generator. In the hybrid heat conduction effect enhanced hydrovoltaic power generator, the ionic thermoelectric gelatin material can effectively improve the heat conduction between hydrovoltaic generator and near environment, thus increasing the water evaporation rate to improve the output voltage. Synergistically, hydrovoltaic generator part with continuous water evaporation can induce a constant temperature difference for the thermoelectric generator. Moreover, the system can efficiently achieve solar-to-thermal conversion to raise the temperature difference, accompanied by a stable open circuit voltage of 6.4 V for the hydrovoltaic generator module, the highest value yet.
ISSN: 2041-1723
DOI: 10.1038/s41467-022-28689-8
Schools: School of Materials Science and Engineering 
Rights: © The Author(s) 2022. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit licenses/by/4.0/.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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