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Innovation

Useful innovations and technologies solving real-world problems.

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Salt instead of lithium: a sodium battery built to last 15,000 cycles for the grid

Battery giant CATL unveiled Tener Sodium, a sodium-ion storage system rated for 15,000 cycles and a 25-to-30-year life that keeps over 92% capacity at −20°C — betting that longevity, not energy density, is what grid storage really needs.

July 9, 2026 · 5 min read

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