Sodium-ion
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NTPC invites EoI for sodium-ion battery pilot at its thermal power stations
NTPC is seeking technology providers to demonstrate sodium-ion batteries in a grid-connected battery energy storage system, with the pilot designed to assess the technology under Indian grid and climatic conditions.
Sep 10, 2026
“India must focus on domestic manufacturing across battery technologies,” say industry experts at IESA Connect
With the nation’s installed renewable energy capacity already exceeding 290 GW, industry experts say accelerated energy storage deployment and domestic manufacturing will be critical to integrating variable renewable generation into the grid.
Sep 03, 2026
Advanced sodium-ion battery prototypes now approaching 200 Wh/kg
An international team of scientists has reviewed recent advances in sodium-ion battery components, highlighting their potential as a lower-cost, more sustainable alternative to lithium-ion batteries. The researchers identify key challenges including lower energy density, shorter cycle life and manufacturing constraints, while pointing to advances in materials and electrolytes as important to future commercialization.
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German startup launches high-voltage sodium-ion battery for residential applications
Revolta has introduced a high-voltage residential sodium-ion battery storage system with modular capacity from 2 kWh to 20 kWh. The system features a 450 V DC nominal voltage, over 95% efficiency, 105 Wh/kg energy density, and IP65 protection.
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