- Changan showcased an electric vehicle with a sodium-ion battery under extreme cold conditions (-32°C), highlighting its resilience.
- Sodium-ion batteries are made from abundant salt, potentially cheaper than lithium-ion batteries, and could challenge lithium's dominance in the market.
- Sodium-ion batteries have historical roots but gained serious development in the past 15 years due to rising demand for electrification.
- Challenges include heavier weight compared to lithium-ion batteries, but advancements have improved energy density to compete with some lithium variants.