Southwest Research Institute Debuts Index for Sodium-Ion Battery Swaps

By Rupendra Brahambhatt · Interesting Engineering · 2026-09-20

According to Interesting Engineering, researchers at the Southwest Research Institute have created a numerical framework called the Electrical Interchangeability Index to determine when sodium-ion cells can substitute for lithium-ion counterparts. The tool analyzes specific duty

According to Interesting Engineering, researchers at the Southwest Research Institute have created a numerical framework called the Electrical Interchangeability Index to determine when sodium-ion cells can substitute for lithium-ion counterparts. The tool analyzes specific duty