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Responding to Xu Fei and Count, the cycle clife issue has been solved. Usually, when you see a statement like that, it's about one battery from one company, targeted at one specific application. But in this case it's 20 companies (with 15 specifc examples) across a wide range of designand potential uses. Shifting the benchmoark for "goodness" from 1,000 cycles (retaining 80% of original energy density) to 1,500 to 3,000 is a major leap. https://group14.technology/resource...ts-benchmark-for-silicon-battery-performance/