Affiliation:
1. School of Materials Science and Engineering Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials Shaanxi University of Science and Technology Xi'an 710021 China
2. Laboratory of Advanced Materials Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials College of Chemistry and Materials Fudan University Shanghai 200433 China
3. Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University Singapore 637371 Singapore
Abstract
AbstractElectrolyte regulation in Zn‐based aqueous batteries (ZABs) has been extensively reported, and a broad range of strategies has been proposed. However, there is currently a lack of systematic summaries and a comprehensive understanding of the impact of hydrogen bond (H‐bond) networks on electrolyte performance. This work presents the electrolyte structure model, encompassing solvation structure, electrolyte/Zn anode interface, and H‐bond network. Through emphasizing and summarizing the reconstruction, strengthening, and breaking of the H‐bond network within the electrolyte structure, various specific regulation strategies are identified, such as high Gutmann donor number solvent, organic co‐solvent, molecular crowding additives, structure‐breaking ions, and solid‐state design. A critical appraisal is then provided on the key performance metrics influenced by these regulation methods, including Coulomb efficiency, voltage hysteresis, freezing point, and lifespan. This work is expected to illustrate electrolyte structure design to improve the comprehensive performance of ZABs. Last, a data‐driven summary and outlook on hydrogen bond network regulation in electrolyte structure is provided, to objectively evaluate the overall performances of ZABs.
Funder
National Natural Science Foundation of China
Cited by
1 articles.
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