IIT Mandi paves the way for great Enhanced Energy Efficiency
IIT Mandi researchers have made cutting-edge innovative strides in the fields of thermoelectric materials which falls in the domain of thermal energy harvesting using complex crystal structure and superionic conductors with poor thermal conductivity, unveiling new insights that could significantly impact energy efficiency and sustainability.
Metals
Metals, commonly used in cooking utensils and electrical wiring, are known for their high thermal and electrical conductivity. However, thermoelectric materials challenge this norm by efficiently conducting electricity while being poor conductors of heat.
Researchers
Dr. Ajay Soni, at the School of Physical Sciences, IIT Mandi, alongside his research team including Dr. Kewal Singh Rana, Mr. Aditya Singh, Ms. Nidhi, Mr. Animesh Bhui, Dr. Chandan Bera and Prof. Kanishka Biswas, has conducted an in-depth study on large unit cell mineral chalcogenides.
These materials exhibit unique electronic and vibrational properties.
The research reveals that irregular atomic vibrations within the crystal lattices, which significantly reduces thermal conductivity, enhancing their effectiveness for thermoelectricity as well as for thermal management applications, say IIT Mandi researchers.
Impact
Dr Soni emphasized the impact of their findings.
Our research on the anharmonic rattling in sulfosalt tetrahedrites provides crucial insights at the atomic level for understanding the thermal conductivity on these solids, said Dr Soni of IIT Mandi.
‘This advancement holds the potential to revolutionize thermoelectric materials, leading to more efficient cooling systems and energy recovery technologies.’
Our research is supported by the core research grant of science and engineering research board, now ANRF, Govt India, he said.
Separate Study
Whereas, in a separate study, the team investigated superionic conductors that include silver and copper, known for their excellent ionic conductivity, say IIT Mandi researchers.
Although, these materials are crystalline in nature still their thermal conductivity is comparable to glassy materials.
These materials are even crucial for harvesting heat in mid temperature range, and for advanced battery technology and solid-state electrolytes for futuristic technologies.
This research marks an exciting advancement in materials science and energy technology, said Dr Soni of IIT Mandi.
Major Advancement
The research from IIT Mandi marks a major advancement in materials science by unveiling the origin of poor thermal properties. By elucidating how atomic vibrations influence thermal conductivity, the team’s work enables the design of materials with optimized thermal properties.
Potential
These discoveries have the potential to drive innovations in energy management and sustainability, say sources from IIT Mandi.
By significantly improving energy efficiency and advancing superionic conductors, this research offers promising pathways for creating more sustainable solutions across multiple sectors, say sources from IIT Mandi.
The transformative impact of these findings heralds a new era in materials science, paving the way for more efficient energy management and groundbreaking technologies across various industries.
The two papers that describe the above research have been published in esteemed journals including ‘ACS Applied Energy Materials’ and the ‘Journal of Materials Chemistry A of the Royal Society of Chemistry’
They also include, School of Mathematical and Statistical Sciences (SMSS), School of Physical Sciences (SPS), School of Mechanical and Materials Engineering (SMME).
Also among them are, School of Civil and Environmental Engineering (SCENE), School of Computing and Electrical Engineering (SCEE), School of Humanities and Social Sciences (SHSS), and School of Management (SOM).
The research centers are the Advanced Materials Research Centre (AMRC), Centre for Design and Fabrication of Electrical Devices (C4DFED), BioX Centre.
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Indian Knowledge System and Mental Health Applications Centre (IKSMHA Centre), Centre for Artificial Intelligence and Robotics (CAIR), Centre for Quantum Science and Technology (CQST), and Centre for Human, Computer Interaction (CHCi) are also among the research centers.
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