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Yu M, McCulloch WD, Beauchamp DR, et al. Aqueous Lithium-Iodine Solar Flow Battery for the Simultaneous Conversion and Storage of Solar Energy. J Am Chem Soc. 2015;137(26):8332-5doi: 10.1021/jacs.5b03626.
Yu, M., McCulloch, W. D., Beauchamp, D. R., Huang, Z., Ren, X., & Wu, Y. (2015). Aqueous Lithium-Iodine Solar Flow Battery for the Simultaneous Conversion and Storage of Solar Energy. Journal of the American Chemical Society, 137(26), 8332-5. https://doi.org/10.1021/jacs.5b03626
Yu, Mingzhe, et al. "Aqueous Lithium-Iodine Solar Flow Battery for the Simultaneous Conversion and Storage of Solar Energy." Journal of the American Chemical Society vol. 137,26 (2015): 8332-5. doi: https://doi.org/10.1021/jacs.5b03626
Yu M, McCulloch WD, Beauchamp DR, Huang Z, Ren X, Wu Y. Aqueous Lithium-Iodine Solar Flow Battery for the Simultaneous Conversion and Storage of Solar Energy. J Am Chem Soc. 2015 Jul 08;137(26):8332-5. doi: 10.1021/jacs.5b03626. Epub 2015 Jun 26. PMID: 26102317.
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J Am Chem Soc. 2015 Jul 08;137(26):8332-5. doi: 10.1021/jacs.5b03626. Epub 2015 Jun 26.

Aqueous Lithium-Iodine Solar Flow Battery for the Simultaneous Conversion and Storage of Solar Energy.

Journal of the American Chemical Society

Mingzhe Yu, William D McCulloch, Damian R Beauchamp, Zhongjie Huang, Xiaodi Ren, Yiying Wu

PMID: 26102317 DOI: 10.1021/jacs.5b03626

Abstract

Integrating both photoelectric-conversion and energy-storage functions into one device allows for the more efficient solar energy usage. Here we demonstrate the concept of an aqueous lithium-iodine (Li-I) solar flow battery (SFB) by incorporation of a built-in dye-sensitized TiO2 photoelectrode in a Li-I redox flow battery via linkage of an I3(-)/I(-) based catholyte, for the simultaneous conversion and storage of solar energy. During the photoassisted charging process, I(-) ions are photoelectrochemically oxidized to I3(-), harvesting solar energy and storing it as chemical energy. The Li-I SFB can be charged at a voltage of 2.90 V under 1 sun AM 1.5 illumination, which is lower than its discharging voltage of 3.30 V. The charging voltage reduction translates to energy savings of close to 20% compared to conventional Li-I batteries. This concept also serves as a guiding design that can be extended to other metal-redox flow battery systems.

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