Thermally integrated photoelectrochemical devices with perovskite/silicon tandem solar cells: a modular approach for scalable direct water splitting

Maragno, Angela R. A.; Morozan, Adina; Fize, Jennifer; Pellat, Michel; Artero, Vincent; Charton, Sophie; Matheron, Muriel

doi:10.1039/d4se00547c

Sustainable Energy Fuels

2024

DOI: 10.1039/d4se00547c

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Thermally integrated photoelectrochemical devices with perovskite/silicon tandem solar cells: a modular approach for scalable direct water splitting

Angela R. A. Maragno,

Adina Morozan,

Jennifer Fize

et al.

Abstract: Thermally integrated photoelectrochemical cells made of perovskite/silicon tandem solar cells and PEM electrolysers were scaled in modules up to 342 cm2. Direct hydrogen production was demonstrated outdoors with a STH efficiency of 6.3%.

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Construction of Fe2O3-CuO Heterojunction Photoelectrode for Enhanced Efficiency of Solar Redox Flow Batteries

Lu,

Zhang,

et al. 2024

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To address the problem of suboptimal performance in deep eutectic solvents displayed by traditional TiO2 photoelectrodes and Cu2O photoelectrodes that have undergone simplistic modifications that result in a mismatch with battery discharge capacity, a method combining hydrothermal and dip-coating techniques was developed to create a Fe2O3-CuO heterojunction structure on the FTO surface. Then, the impact of the heterojunction structure on the performance of solar flow batteries was investigate in this study. The experimental findings reveal that the formation of the heterojunction structure effectively mitigates the recombination rate of photogenerated carriers within the photoelectrode. Furthermore, by meticulously adjusting the CuO loading, the harmonious balance between charging and discharging currents was achieved, thereby enhancing the overall performance of the solar redox flow batteries. In comparison to standalone Fe2O3 photoelectrodes, this innovative approach significantly broadens the spectrum of sunlight utilization. Notably, the fabricated Fe2O3/CuO-2 photoelectrode demonstrates a remarkable photocharging performance, far surpassing both Fe2O3 photoelectrodes and commercial TiO2 photoelectrodes. Specifically, the Fe2O3/CuO-2 photoelectrode boosts an average current density of 598.68 μA∙cm−2, with its charging current density being 2.74 and 5.15 larger, respectively, than that of the Fe2O3 and commercial TiO2 photoelectrodes.

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Construction of Fe2O3-CuO Heterojunction Photoelectrode for Enhanced Efficiency of Solar Redox Flow Batteries

Lu,

Zhang,

et al. 2024

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Thermally integrated photoelectrochemical devices with perovskite/silicon tandem solar cells: a modular approach for scalable direct water splitting

Abstract: Thermally integrated photoelectrochemical cells made of perovskite/silicon tandem solar cells and PEM electrolysers were scaled in modules up to 342 cm2. Direct hydrogen production was demonstrated outdoors with a STH efficiency of 6.3%.

Cited by 1 publication

References 51 publications

Construction of Fe2O3-CuO Heterojunction Photoelectrode for Enhanced Efficiency of Solar Redox Flow Batteries

Construction of Fe2O3-CuO Heterojunction Photoelectrode for Enhanced Efficiency of Solar Redox Flow Batteries

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