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journal article·2025-09Open access

Photo‐Assisted Rechargeable Zinc–Iodine Aqueous Battery With Perovskite Photocathode

Yongxin Huang, Chengxi Zhang, Xiyue Peng, Norah S. Alghamdi, Cailing He, Xinyue Hu, Jaeho Lee, Peng Chen, Yun Hau Ng, Lianzhou Wang, Bin Luo

EcoMat· Volume 7· Issue 9
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Abstract

ABSTRACT Photo‐assisted rechargeable batteries are an emerging class of bifunctional devices capable of harvesting solar energy and storing it as electrochemical energy. This dual functionality holds particular promise for powering remote electronic systems autonomously, thereby reducing reliance on traditional power infrastructure. Among various approaches, photo‐assisted zinc‐based batteries offer a compelling solution for mitigating the intermittency of solar energy through direct solar‐to‐chemical energy conversion and storage. In this study, we present an efficient photo‐assisted zinc–iodine aqueous battery by integrating perovskite‐based photoelectrode. A key innovation lies in the application of a conductive, carbon‐based waterproof layer onto the otherwise moisture‐sensitive perovskite film, enabling stable operation of the photoelectrode in aqueous electrolyte for over a week. The successful demonstration of this proof‐of‐concept device highlights a promising pathway toward the development of practical, durable, and efficient photo‐rechargeable battery technologies. image
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Research context

Energy storageElectronic materials

OpenAlex topics: Perovskite Materials and Applications · Advanced battery technologies research · Advanced Photocatalysis Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Chemical Engineering, Australian Institute for Bioengineering and Nanotechnology (AIBN) The University of Queensland St Lucia Queensland Australia

School of Materials and Energy, Institute for Clean Energy and Advanced Materials Southwest University Chongqing China

School of Chemistry and Molecular Biosciences, Faculty of Science The University of Queensland St Lucia Queensland Australia

Department of Chemistry, Faculty of Science Imam Mohammad Ibn Saud Islamic University (IMSIU) Riyadh Saudi Arabia

School of Energy and Environment City University of Hong Kong Kowloon Hong Kong

Center for Renewable Energy and Storage Technologies (CREST), Clean Energy Research Platform (CERP), Division of Physical Science and Engineering King Abdullah University of Science and Technology (KAUST) Thuwal Saudi Arabia

Funding

Australian Research Council

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