jaykrown to Data is BeautifulEnglish · 8 days ago

[OC] Battery chemistry cost and efficiency comparison

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[OC] Battery chemistry cost and efficiency comparison

jaykrown to Data is BeautifulEnglish · 8 days ago

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BloombergNEF Battery Price Survey — pack-level pricing https://about.bnef.com/insights/clean-transport/new-record-lows-for-battery-prices/
Sodium-ion Comparison Paper — Na-ion density & charge performance https://ph.pollub.pl/index.php/iapgos/article/download/7045/4853
Wood Mackenzie — Na-ion commercial status https://www.woodmac.com/blogs/energy-pulse/sodium-ion-batteries-enter-energy-storage-market/
NREL — automotive battery-life benchmarks https://www.nrel.gov/docs/fy12osti/53470.pdf
Our World in Data — historical price trajectory https://ourworldindata.org/grapher/average-battery-cell-price
InsideEVs — CATL Fleet Performance — Na-ion sub-zero C-rate validation https://insideevs.com/news/801042/catl-commercial-ev-battery-fast-charging/
Batteries News — CATL Ultra-Fast Charging — low-temp resilience data https://batteriesnews.com/catl-unveils-new-light-commercial-vehicle-battery-that-charges-to-80-in-under-7-minutes/
Endless Sphere / A123 — LFP BMS derating curves https://endless-sphere.com/sphere/threads/battery-life-dod-soc-temperature-charge-rate-study.91005/
EVE Energy — LFP lithium plating risk at sub-zero https://www.evemall.eu/selection-guide/how-temperature-affect-lfp-lithium-battery
Texas Instruments — CC-CV transition math https://www.ti.com/lit/pdf/sszta38
Elinta Charge — DC fast charger taper behavior https://elintacharge.com/glossary/cc-cv-charging-profile/

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jaykrownOP
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8 days ago
To me this makes it pretty clear that sodium-ion batteries are the future, unless there’s some major breakthrough in solid state battery manufacturing. Sodium-ion seems like it’s going to become insanely cheap and really good for bulk storage where temperature is a concern.

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