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June 8, 2026Analytical Chemistry0 citations

A Biodegradable Gelatin-Based Hydrogel Polymer Electrolyte for Integrated Multimodal Physiological Signal Sensing and Long-Lifespan Rechargeable Zinc–Air Batteries

XDXugang DangShaanxi University of Science and Technology JSJinmeng SunNorthwestern Polytechnical University XWX WangXi'an University of Architecture and Technology

Key Points

This research aims to develop a biodegradable gelatin-based hydrogel polymer electrolyte for use in bioelectronics and zinc–air batteries.
Developed a gelatin-based hydrogel polymer electrolyte for zinc–air batteries.
Evaluated performance in Zn||Zn symmetric cells with a focus on cycle life and dendrite suppression.
Measured rate performance and polarization during operation.
Demonstrated 459.33 h deposition/stripping cycle life in Zn||Zn symmetric cells.
Achieved reduced polarization indicating improved efficiency.
Effectively suppressed dendrite formation, enhancing battery longevity.

Abstract

, and demonstrating outstanding rate performance. Additionally, in Zn||Zn symmetric cells, it exhibits a 459.33 h deposition/stripping cycle life, reduced polarization, and effective dendrite suppression. Overall, this work provides a robust strategy for high-performance hydrogel polymer electrolytes, promising for integrated wearable bioelectronics and rechargeable ZABs.

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