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@kirk@social.coop

Post #2068669

2026-04-29 14:16 UTC

@65dBnoise I've skimmed it and it's about what I thought, FWIW. I have done a calculation I need to double check (might make a blog post cause I'm tired of everyone sharing these articles - I have seen this article all over the place) - but it seems like their 6000 cycles took less than 5 days to complete. Because it takes only 34 seconds to charge the battery. Because they use 40 mL of electrolyte, but at fairly low concentration (0.6 M), large cell (28 sq. cm), high current density (80 mA/sq. cm), charging to 65% theoretical max SOC. Granted, those conditions do push the electrolyte hard - it is converting between charged states many times, and they show a good improvement over other ligands. But to say "6000 cycles!" is misleading, because the cycles are extremely short by design.

Replies (2)

  • @kirk@social.coop 2026-04-29 14:18

    @65dBnoise we don't have a good metric I know of in the battery space to measure the number of times a molecule can be converted between charge states before becoming inactive. Sort of like turnover number (in catalysis). Cycle count can be extremely misleading.

    Open ##2068670

  • @65dBnoise@mastodon.social 2026-04-29 19:35

    @kirk Thanks for the update. Would it be possible to replicate their tests?

    Open ##2068671