Yi Du, Yongyi Li, Weijia Lin, Jiacheng Wu, Shaoyu Hu, Jinyan Li, Yufei Zhang, Minghui Ye, Yongchao Tang, Zhipeng Wen, Xiaoqing Liu, Wencheng Du, Cheng Chao Li
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Non-free water dominated electrolyte architectures for zinc-based batteries: toward sustainable long-life zinc-based energy storage solutions
Zinc (Zn)-based energy storage systems have garnered significant attention as promising candidates for grid-scale energy storage due to their inherent safety, environmental benignity, cost-effectiveness and so on. However, the persistent challenge of parasitic side reactions on the Zn metal anode in common aqueous electrolytes continues to impede practical implementation. This topical review highlights the latest research progress in paradigm-shifting electrolyte engineering strategies evolving from liquid to solid systems based on non-free water dominated electrolyte architectures, mainly including lean-water liquid electrolytes, gelatinized electrolytes, and solidified electrolytes. A comprehensive overview of the major electrochemical challenges of common pure aqueous electrolytes is firstly provided. Subsequently, the advancements in structural design strategies for electrolyte architectures with diverse water regulation are explored in depth, along with a detailed discussion of the corresponding electrochemical performance of cells including half and full cells. Finally, we examine the future challenges in developing practical electrolytes with optimized electrochemical properties. This review provides a fresh perspective on designing electrolytes for application in next-generation commercial Zn-based energy storage systems.
期刊介绍:
The Journal of Materials Chemistry A, B & C covers a wide range of high-quality studies in the field of materials chemistry, with each section focusing on specific applications of the materials studied. Journal of Materials Chemistry A emphasizes applications in energy and sustainability, including topics such as artificial photosynthesis, batteries, and fuel cells. Journal of Materials Chemistry B focuses on applications in biology and medicine, while Journal of Materials Chemistry C covers applications in optical, magnetic, and electronic devices. Example topic areas within the scope of Journal of Materials Chemistry A include catalysis, green/sustainable materials, sensors, and water treatment, among others.