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GS3 · Technology / energy

ARCI signs MoU to take sodium-ion battery cells to industry

1 min readNanotechnology & MaterialsScience & Technology
Battle IAS current affairs title card: ARCI signs MoU to take sodium-ion battery cells to industry (GS3 · Technology / energy, 17 December 2025)

What happened

  • ARCI, a DST research centre, signed an MoU with Voltasun Technologies on 15 December 2025 to make and test 80 sodium-ion pouch cells (5 Ah) using ARCI’s Sodium Vanadium Phosphate (NVP) cathode, with a view to commercialisation [PIB].

Background

  • The work was done under the ANRF MAHA EV project. Sodium-ion cells can be safer and cheaper than lithium-ion [PIB].

Why it matters

  • Sodium is plentiful and India has little lithium. A working sodium-ion chain would cut import dependence for storage.

How to use this in Mains

GS-III Science and technology developments and applications

  1. As per PIB (2025-12-17): ARCI, a DST research centre, signed an MoU with Voltasun Technologies on 15 December 2025 to make and test 80 sodium-ion pouch cells (5 Ah) using ARCI's Sodium Vanadium Phosphate (NVP) cathode, with a view to commercialisation.
  2. Sodium is plentiful and India has little lithium. A working sodium-ion chain would cut import dependence for storage.
Quotable data point

ARCI, a DST research centre, signed an MoU with Voltasun Technologies on 15 December 2025 to make and test 80 sodium-ion pouch cells (5 Ah) using ARCI's Sodium Vanadium Phosphate (NVP) cathode, with a view to commercialisation.

PIB: DST: Sodium-ion battery MoU, 17 Dec 2025

Exam angle

UPSC

Prelims: sodium-ion vs lithium-ion.

Practice MCQs

Original practice questions (not PYQs).

Practice · UPSC

Cathode material developed by ARCI

Answer (b) & explanation

PIB.

Practice · UPSC

ARCI is under

Answer (b) & explanation

PIB.

Practice · UPSC

Main advantage cited for sodium-ion cells

Answer (b) & explanation

PIB.

Go deeper

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Official source: PIB: DST: Sodium-ion battery MoU, 17 Dec 2025

facts from cited sources only; faculty review pending