Polysaccharide-Based Hydrogels and Additives in Electrolyte Engineering for Zn-Ion Batteries: Anode Stabilization Mechanisms, Performance Enhancement, and Perspectives

Key Points

• This research investigates the role of polysaccharide-based hydrogels in enhancing the stability and performance of zinc-ion batteries.
• Evaluated different polysaccharide-based hydrogels and additives in Zn-ion battery electrolytes.
• Assessed anode stabilization mechanisms through electrochemical tests.
• Analyzed performance metrics including energy density and safety parameters.
• Polysaccharide hydrogels significantly reduced hydrogen evolution reaction rates, enhancing battery safety.
• Improvements in energy density were observed with specific hydrogel formulations, indicating up to a 20% performance increase.
• Corrosion rates of anodes decreased substantially, suggesting improved longevity.