Somewhere in a lab in Kolkata, a coin-cell battery just did something most lithium-ion batteries can’t: it filled to 80% of its capacity in a little over a minute, and kept doing it, cycle after cycle, without falling apart.
The material that made this possible isn’t a new metal alloy or an exotic mineral compound. It’s an organic framework — built from carbon, not cobalt. Researchers at the Indian Association for the Cultivation of Science (IACS) and the S. N. Bose National Centre for Basic Sciences (SNBNCBS) designed it, both institutions under the Department of Science and Technology (DST). Dr. Urmimala Maitra (IACS) and Dr. Pradip Pachfule (SNBNCBS) led the work. The journal Advanced Materials published their findings, and the Ministry of Science & Technology announced the results on 17 July 2026.
It’s a small result in a lab, but it points at a problem that’s much bigger than any one battery: India’s electric vehicle ambitions are currently built on materials it barely has any of.
The Mineral India Doesn’t Have
Lithium-ion batteries — the kind in your phone, your laptop, and increasingly your car — rely on a cathode and anode built from a specific cocktail of metals: lithium, cobalt, nickel, sometimes manganese. India has none of these in meaningful domestic supply. Lithium refining capacity in the country is close to zero. China currently refines around three-quarters of the world’s lithium. It also controls roughly 98% of global LFP cathode material production.
The numbers show how fast this dependency is growing. India’s import bill for lithium compounds rose roughly tenfold in under a decade — from about ₹3,532 crore in FY2018 to over ₹37,600 crore in the first eleven months of FY2026 alone. China supplies an estimated 75% of the lithium-ion batteries powering electric vehicles sold in India. India has also built around 60 GWh of capacity to assemble battery packs. But its capacity to actually manufacture battery cells — the energy-storing core — sits at barely 1–2 GWh.
Put simply: as India tries to wean itself off imported crude oil by going electric, it risks trading one import dependency for another, just with a different set of raw materials.
This is the backdrop against which a homegrown organic battery material — one that doesn’t need cobalt, nickel, or even lithium specifically — becomes more than a chemistry curiosity.
What the Researchers Actually Built
The material at the centre of this research is a covalent organic framework, or COF. It’s a porous, highly ordered structure that uses almost entirely light elements: carbon, hydrogen, oxygen, and nitrogen. Think of it as a molecular scaffold riddled with tiny channels. Those channels let charged particles move through with very little resistance.
That structure is the whole point. In a conventional battery, how quickly lithium ions can travel into and out of the electrode material limits your charging speed. Push too hard, too fast, and the structure degrades. That’s why fast-charging usually comes at the cost of battery lifespan. The IACS–SNBNCBS team widened those internal pathways in their COF, so ions could move through markedly faster without breaking the material down.
The DST release describes the result: a battery using this material reached 80% charge in just over a minute. It also kept performing well across repeated charge-discharge cycles — the kind of durability that usually suffers first under ultra-fast charging.
There’s a second finding worth noting. The same COF material also proved capable of storing sodium ions, not just lithium ones. Sodium is abundant and cheap. It doesn’t carry the same supply-chain baggage as lithium, either. That opens a path toward affordable sodium-ion batteries as a genuinely viable alternative, not just a lab footnote.
Why “Organic” Matters for Sustainability, Not Just Chemistry
It’s easy to read “organic battery material” as a marketing-friendly label. In this case, it’s a genuine structural shift. Cobalt mining carries serious human rights and environmental concerns, particularly in the Democratic Republic of Congo, which supplies most of the world’s cobalt. Nickel and lithium extraction, meanwhile, carry their own water-intensive and land-disruptive footprints.
Organic electrode materials sidestep much of that. They use earth-abundant elements, tend to be easier to recycle than metal-oxide cathodes, and don’t rely on scarce mined resources. That means a cost structure free from volatile mineral markets. Researchers worldwide have circled this idea for a few years now. Cobalt-free organic cathodes have emerged as one of the more promising directions for what comes after today’s EV batteries. What’s notable here: two Indian public research institutions produced this working, published, peer-reviewed contribution to that global effort — not a multinational R&D lab.
None of this means organic batteries are ready to replace what’s in your car tomorrow. The DST release describes a coin-cell-level demonstration. That kind of proof-of-concept typically sits five to ten years from commercial deployment, if it gets there at all. Battery chemistry has a long, humbling history of promising lab results that never scaled. But the direction matters. A country trying to electrify its transport sector without simply relocating its resource dependency from an oil well to a lithium mine needs exactly this kind of direction.
The Bigger Picture
India’s EV battery demand is projected to jump from around 20 GWh in 2025 to roughly 200 GWh by 2032. If imported cells meet almost all of that demand, industry estimates put the annual import bill at over $23 billion by 2030. Government incentive schemes aimed to build 50 GWh of domestic cell manufacturing by 2025. So far, they’ve delivered only a fraction of that target.
Fast-charging, cobalt-free, domestically-researched battery chemistry won’t single-handedly close that gap. But it represents something India’s clean energy transition needs more of: research that treats the materials question, not just the deployment question, as core to sustainable technology. Solar panels and EVs get the headlines. What they’re made from — and where those inputs come from — decides whether the transition is truly sustainable, or just cleaner at the tailpipe while dirtier at the mine.
For a country betting its climate and energy-security future on electrification, a battery that charges in a minute without needing cobalt isn’t just a neat number from a lab in Kolkata. It’s a glimpse of what a more self-reliant, and more genuinely sustainable energy future could be built from.
Source: Press Information Bureau, Government of India — Ultrafast organic anodes designed for next-generation rechargeable batteries