New Delhi, Aug. 21 -- India is expected to witness significant growth in sodium-ion battery technology as researchers have reached Technology Readiness Level (TRL) 7 and above, Renewable Energy Secretary Santosh Kumar Sarangi said on Friday, noting that the technology could move from pilot projects to commercial production within two to three years.

"A lot of research is going on in this area. In sodium-ion batteries, there are researchers who have reached a TRL of 7 and above. Once you reach that stage, moving from a pilot to commercial production should take anywhere between two to three years. So, we should expect significant growth there," Sarangi said responding to a question from ANI on the sidelines of the BNEF Summit.

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