Bengaluru, Sep 15 – In a major breakthrough for sustainable energy, Indian scientists have developed a flexible eco-friendly aluminum battery in India, marking a step forward in safe, affordable, and green energy storage solutions. Unlike conventional lithium-ion batteries that pose risks of overheating and explosions, this new battery technology is safer, foldable like paper, and environmentally friendly.
A Safer Alternative to Lithium-Ion Batteries
Researchers from the Centre for Nano and Soft Matter Sciences (CeNS), Bengaluru, under the Department of Science and Technology (DST), Government of India, in collaboration with the Centre for Nano Science and Engineering (CeNSE), IISc Bengaluru, created this pioneering innovation.
The aluminum-based battery uses one of the Earth’s most abundant metals along with a water-based electrolyte, making it cheaper, sustainable, and explosion-free. This ensures protection against fire hazards while reducing the ecological footprint compared to lithium-ion batteries.
How the Battery Works
The scientists tackled long-standing challenges in aluminum battery chemistry by designing a unique cathode material, copper hexacyanoferrate (CuHCFe), pre-filled with aluminum ions, paired with an anode of molybdenum trioxide (MoO₃). This combination delivers efficient and reliable energy storage.
✅ Key Features:
- Maintains 96.77% efficiency after 150 charge-discharge cycles.
- Functions even when bent or folded completely.
- Successfully powered an LCD screen while bent at extreme angles.
- Flexible enough for use in wearable electronics and rollable devices.
Big Leap for Green & Flexible Energy Storage
This flexible eco-friendly aluminum battery India project opens doors for future applications in flexible smartphones, safer electric vehicles, and wearable technology. The innovation also supports India’s renewable energy and Atmanirbhar Bharat vision by leveraging abundant aluminum instead of imported lithium.
Scientists used advanced microscopy and spectroscopy tools to fine-tune the balance of materials, ensuring durability, safety, and performance in real-world conditions.
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Future Potential
With further refinement, aluminum-based flexible batteries could become mainstream in:
- Electric Vehicles (EVs) – reducing fire risks and dependence on lithium.
- Consumer Gadgets – enabling foldable, lightweight smartphones and laptops.
- Wearable Devices – integrating power seamlessly into smart clothing.
This discovery places India at the forefront of next-generation battery innovation, aligning with global goals for sustainable, green energy storage solutions.
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