Indian Economy News

Indian scientists develop flexible, safe, and eco-friendly battery: A big step towards sustainable energy

Scientists in Bengaluru have developed a breakthrough aluminium-based battery that is flexible enough to fold like paper and safe to touch, offering a viable alternative to traditional lithium-ion technology. The research, led by the Centre for Nano and Soft Matter Sciences (CeNS) under the Department of Science and Technology, in collaboration with the Centre for Nano Science and Engineering at the Indian Institute of Science (IISc), addresses the risks of overheating and explosion associated with lithium-ion cells. The new battery uses aluminium, one of the most abundant metals, paired with a water-based electrolyte, making it safer, cheaper, and more environmentally friendly. By engineering a copper hexacyanoferrate cathode pre-filled with aluminium ions and pairing it with a molybdenum trioxide anode, the team created a powerful cell that retains 96.77% of its capacity after 150 charge-discharge cycles.
The battery remains functional even when bent or folded in half and has successfully powered a Liquid Crystal Display (LCD) display while contorted. This flexibility opens possibilities for wearable electronics, rollable smartphones, and safer energy storage for electric vehicles. Advanced electron microscopy and spectroscopic analysis were used to fine-tune materials at the microscopic level, ensuring durability and high performance. The innovation positions India at the forefront of next-generation, sustainable energy storage solutions, supporting global goals for safer and greener technologies.

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