SMRTR Science & EngineeringFeb 22, 2026Interesting Engineering

China’s water battery breakthrough can last 120,000+ cycles, outlast lithium-ion by decades

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Chinese researchers created a water-based battery using tofu brine that lasts over 120,000 charge cycles, far exceeding lithium-ion batteries' 1,000-3,000 cycles. The non-toxic, fire-safe technology could revolutionize renewable energy storage systems.

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