https://electrek.co/2024/05/17/china-first-large-scale-sodium-ion-battery/
I am curious about the weight and storage capacity compared to lithium-ion.
Sodium is apparently heavier and bulkier.
https://www.gep.com/blog/strategy/lithium-ion-vs-sodium-ion-battery
Sodium-ion vs. Lithium-ion Battery: Comparison, Challenges & Alternative | GEP Blog