Next-Gen EV Cell Chemistry: Local Sodium Feedstocks & Grid Energy Storage
Executive Summary
Battery scientists, automotive tier-1 suppliers, and renewable grid operators discuss overcoming lithium mineral dependencies through indigenous sodium-ion battery cell manufacturing.
Key Discussion Points
- 1Sodium-ion chemistry demonstrates superior cold-weather resilience and thermal safety in heavy tropical two- and three-wheeler duty cycles.
- 2India's abundant salt basin deposits eliminate overseas rare metal shipping dependencies.
- 3Battery energy storage systems (BESS) for grid stabilization provide an immediate gigawatt-hour scale market for domestic cell production.
Main Policy & Industry Recommendations
Incorporate sodium-ion specific chemistry testing protocols into Automotive Industry Standard (AIS-156).
Expand PLI Advanced Chemistry Cell (ACC) tranche allowances for non-lithium chemistries.
Strategic Industry Implications
Cuts raw battery pack manufacturing costs by 28%, speeding up electric vehicle affordability for rural logistics.
Session Transcript
Timestamped recordLithium reserves are geographically concentrated. Sodium, on the other hand, is ubiquitous. By investing in hard-carbon anodes and sodium cathodes, India can de-risk its entire transition to electric mobility.
For commercial 3-wheelers and delivery bikes, energy density requirements are moderate, but cycle life and safety in 48-degree summer heat are non-negotiable. Sodium cells outperform lithium here.
Prof. K. Venkatesh
Dean of Energy Sciences
IIT Madras Research Park
Devendra Patil
VerifiedHead of Powertrain
Mahindra Electric Mobility
EV Integration & Battery Management Systems
Geeta Roy
VerifiedDirector of Battery Systems
Exide Leclanche Energy
Cell Manufacturing & Electrode Coating
- ›National Programme on Advanced Chemistry Cell (ACC) Battery Storage.
- ›AIS-156 Amendment 3 on Sodium-Ion Thermal Safety.