Breakthrough in rechargeable batteries: safer, sustainable alternative
December 12, 2024

Case Western Reserve University researcher advances zinc-sulfur battery technology
Rechargeable lithium-ion batteries power everything from electric vehicles to wearable devices. But new research from Case Western Reserve University suggests that a more sustainable and cost-effective alternative may lie in zinc-based batteries.

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“This research marks a major step forward in the development of safer and more sustainable energy storage solutions,” said Chase Cao, a principal investigator and assistant professor of mechanical and aerospace engineering at Case School of Engineering. “Aqueous zinc-sulfur batteries offer the potential to power a wide range of applications—from renewable energy systems to portable electronics—with reduced environmental impact and reliance on scarce materials.”

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Cheaper, more abundant raw materials
Lithium-ion batteries, though widely used, are expensive, rely on relatively rare materials and are complex to manufacture. In contrast, zinc-sulfur batteries use more abundant and inexpensive materials and have fewer environmental and safety concerns.

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Smaller, more efficient batteries
The implications of this breakthrough extend beyond affordability and safety. Zinc-sulfur batteries have a higher energy density than lithium-ion counterparts, enabling smaller, longer-lasting designs. This could be transformative for renewable energy storage and devices that demand reliability and efficiency.

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