Stone to Silicon

Energy · February 2026

Mass-production sodium-ion car

A car battery built without lithium, good to 400 km at -40 °C.

CATL and Changan unveiled the first mass-production passenger car with sodium-ion cells: CATL's Naxtra packs store 175 Wh/kg, give more than 400 km of range and keep over 90% of capacity at -40 °C.

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What it built on 1

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The dashed line marks when it first worked.

Lithium-ion battery cell price Latest: 78 $/kWh (2024 USD) (2024) Source: Our World in Data

Electric share of new car sales Latest: Battery electric: 16.5 % of new cars (2025) Source: Our World in Data

World lithium production Latest: 292k tonnes (2025) Source: Our World in Data