Advanced cellulose-based materials toward stabilizing zinc anodes

Advanced cellulose-based materials toward stabilizing zinc anodes

May 2024 | Zhijiang Li, Xiang Chen, Rui Zhang, Taoyi Shen, Jianchao Sun, Zhongce Hu, Lin Li, Lanlan Yang & Hou-Yong Yu
Advanced cellulose-based materials for stabilizing zinc anodes in rechargeable aqueous zinc metal batteries (RAZMBs) are reviewed. Zn anodes offer advantages such as high energy density, low cost, and safety, but suffer from dendrite growth, hydrogen evolution, and surface passivation, leading to poor cycle performance. Cellulose-based materials, with properties like biocompatibility, non-toxicity, and degradability, are promising for Zn anode protection. This review summarizes the causes of poor reversibility in Zn anodes, including dendrite formation, hydrogen evolution, and surface passivation. It also outlines effective strategies for stabilizing Zn anodes using cellulose-based materials, such as anode interfacial engineering, gel electrolyte optimization, and separator modification. Challenges and future prospects of cellulose-based materials in Zn anode protection are discussed. RAZMBs are considered as a promising alternative to lithium-ion batteries for large-scale energy storage due to their high energy density and safety. However, Zn anodes face challenges such as dendrite growth and hydrogen evolution. Cellulose, with its crystalline and amorphous phases, is considered a "top seed" for Zn anode stabilization due to its mechanical strength and ion migration properties. The application of cellulose-based materials focuses on coatings, hydrogel electrolytes, and separators. This review aims to provide insights into the current progress and future directions of cellulose-based materials in Zn anode protection.Advanced cellulose-based materials for stabilizing zinc anodes in rechargeable aqueous zinc metal batteries (RAZMBs) are reviewed. Zn anodes offer advantages such as high energy density, low cost, and safety, but suffer from dendrite growth, hydrogen evolution, and surface passivation, leading to poor cycle performance. Cellulose-based materials, with properties like biocompatibility, non-toxicity, and degradability, are promising for Zn anode protection. This review summarizes the causes of poor reversibility in Zn anodes, including dendrite formation, hydrogen evolution, and surface passivation. It also outlines effective strategies for stabilizing Zn anodes using cellulose-based materials, such as anode interfacial engineering, gel electrolyte optimization, and separator modification. Challenges and future prospects of cellulose-based materials in Zn anode protection are discussed. RAZMBs are considered as a promising alternative to lithium-ion batteries for large-scale energy storage due to their high energy density and safety. However, Zn anodes face challenges such as dendrite growth and hydrogen evolution. Cellulose, with its crystalline and amorphous phases, is considered a "top seed" for Zn anode stabilization due to its mechanical strength and ion migration properties. The application of cellulose-based materials focuses on coatings, hydrogel electrolytes, and separators. This review aims to provide insights into the current progress and future directions of cellulose-based materials in Zn anode protection.
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