Sodium-ion Battery technology is transforming the energy landscape in India, promising a sustainable future. Amartya Mukhopadhyay, a professor at IIT Bombay, has been at the forefront of this significant shift. In December 2024, his pioneering work earned him the Tata Transformation Prize in Sustainability.
Focus on Sodium-Ion Batteries
Sodium-ion batteries are emerging as a viable alternative to Lithium-ion counterparts. They offer numerous advantages such as affordability and safety. By developing these batteries, Mukhopadhyay is reducing India’s reliance on imported materials. Unlike lithium, sodium is abundant in India, ensuring a stable supply chain.
Academic Journey
Mukhopadhyay’s passion for material science began in his childhood. He pursued a Bachelor’s in Metallurgical Engineering from NIT Durgapur, followed by an M Tech from IIT Kanpur. He then advanced to a Doctor of Philosophy at the University of Oxford. These experiences shaped his pursuit of engineering solutions and fueled his commitment to innovation.
Return to India
Despite international prospects, Mukhopadhyay was committed to returning to India. He joined IIT Bombay, an institution renowned for its excellence. There, he embraced the challenge of developing sodium-ion batteries. His dedication reflects a broader effort to address India’s energy needs sustainably.
Innovations in Battery Technology
At Mukhopadhyay’s lab, research focuses on sodium-ion batteries’ energy density and stability. The lab’s advancements in sodium-transition metal oxide cathodes have paved the way for durable battery solutions. The introduction of ‘aqueous processing’ in cathode fabrication signifies a notable innovation. By using water instead of toxic solvents, the process becomes more environmentally friendly and cost-effective.
Awards and Recognition
Mukhopadhyay’s contributions have received considerable recognition. He has been honored with several awards, acknowledging his influence in science and engineering. His work is integral to the global movement towards clean energy.
Future Vision
Looking ahead, Mukhopadhyay focuses on scaling sodium-ion technology for broader applications. He believes interdisciplinary collaboration is key to impactful scientific advancement. For young researchers, he emphasizes pursuing challenging questions with the nation’s benefit in mind.
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