Chemistry

New hydrogel electrolyte extends lifespan of high-capacity zinc batteries

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Researchers developed a new hydrogel electrolyte for zinc-ion batteries by incorporating zwitterionic and fluorinated molecular components. This engineered electrolyte addresses key durability challenges in aqueous zinc-ion batteries, including dendrite formation, water-induced side reactions, and electrode corrosion. The technology enabled Ah-level zinc-ion batteries to achieve significantly extended cycle life and improved electrochemical performance under practical operating conditions.


Zinc-ion batteries represent a safer and more cost-effective alternative to lithium-ion batteries for large-scale energy storage applications. This advancement in electrolyte design could accelerate the deployment of zinc-ion batteries in grid-scale energy storage systems and reduce dependence on scarce lithium resources.


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Source: Molecularly engineered zwitterionic‑fluorinated hydrogel electrolyte for durable Ah-level zinc-ion batteries