2026/01/05 by Daozhi Shen, Fangzhou Li, Yanjie Su +1 · 1 voice · 1 citation
Energy · Engineering · #Solar-Powered Water Purification Methods #Advanced Sensor and Energy Harvesting Materials #Nanomaterials and Printing Technologies
paper · pdf · doi:10.1007/s40820-025-01983-y
openalex publication_date 2026/01/05 · openalex created_date 2026/01/05 · openalex updated_date 2026/07/29
Moisture electricity generation (MEG) has emerged as a sustainable and versatile energy-harvesting technology capable of converting ubiquitous environmental moisture into electrical energy, which holds great promise for renewable energy and constructing self-powered electronics. In this review, we begin by outlining the fundamental mechanisms-ion diffusion, electric double layer formation, and streaming potential-that govern charge transport for MEG in moist environments. A comprehensive survey of material innovations follows, highlighting breakthroughs in carbon-based materials, conductive polymers, hydrogels, and bio-inspired systems that enhance MEG performance, scalability, and biocompatibility. We then explore a range of device architectures, from planar and layered systems to flexible, miniaturized, and textile-integrated designs, engineered for both energy conversion and sensor integration. Key challenges are analyzed, along with strategies for overcoming them. We conclude with a forward-looking perspective on future directions, including hybrid energy systems, AI-assisted material design, and real-world deployment. This review presents a timely and comprehensive overview of MEG technologies and their trajectory toward practical and sustainable energy solutions.