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Dr. Nagmani

Project Scientist at Department of Sustainable Energy Engineering, Indian Institute of Technology Kanpur. Ph.D. from School of Energy Science and Engineering, Indian Institute of Technology Kharagpur

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Advanced Characterization Techniques for Insights into the Sodium Storage Mechanism of Hard Carbon Anodes: Recent Advances and Future Perspectives

Posted by Poonam Sinha on September 21, 2024

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Convocation: Gold Medalist with Hon'ble President of India

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Nagmani received International Travel Award from Science and Engineering Research Board, Government of India to present his scientific work at the Prestigious Electrochemical Society Meeting, Gothenburg Sweden.

Young Scientist Mr Nagmani from the International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI), Hyderabad has been awarded an International Travel Award from the Science and Engineering Research Board, DST, Government of India for the 244th Electrochemical Society (ECS) Meeting at Gothenburg, Sweden (October 8-12, 2023). ECS is one of the prestigious scientific events in the field of batteries and supercapacitors research across the globe. Nagmani's research work has been selected by the ECS scientific committee for an oral presentation. He will present the strategy to improve the initial Coulombic efficiency of carbon anode using ether-based electrolytes for wide-temperature application sodium-ion batteries. Before joining ARCI, he submitted his doctoral dissertation on diverse precursor-based hard carbon anodes for sodium-ion and potassium-ion batteries at the School of Energy Science and Engineering, IIT Kharagpur. He has published more than 10

Breakthrough in Sodium-Ion Battery Technology: Unmodified Hard Carbon Anode with High Capacity of 422 mAh/g and Energy Density Unveiled

Date: 16-02-2024 Researchers from the Indian Institute of Technology Kharagpur have achieved a significant breakthrough in sodium-ion battery technology with their work published in the prestigious international blind peer-reviewed journal Chemical Communication by The Royal Society of Chemistry. The study introduces micro-spherical hard carbons (MSHCs) with distinctive porosity features, synthesized through an innovative microwave-assisted solvothermal pre-treatment of sucrose, followed by carbonization. These MSHCs exhibit exceptional properties, including large interlayer spacing of turbostratic graphene nanosheets, hierarchical pore structures, and closed pores, resulting in outstanding performance as anodes for sodium-ion batteries. With a high reversible capacity of 422 mA h/g at a 0.1C rate and outstanding capacity retention of 84% after 500 cycles at 1C, the MSHC sets a new standard for sodium storage performance. Further analyses reveal a mechanism shift from intercalation t

Enhanced Performance of Ultra-Microporous Hard Carbon Spheres as Anode in Half /Full Cells for Sodium-ion Batteries through Optimized Carbonate Ester Electrolytes

Symposium: EN05: Emerging Materials for Electrochemical Energy Storage Devices—Degradation andFailure Characterization—From Composition, Structure and Interfaces to Deployed Systems Title: Enhanced Performance of Ultra-Microporous Hard Carbon Spheres as Anode in Half /Full Cells for Sodium-ion Batteries through Optimized Carbonate Ester Electrolytes. Author(s): Nagmani , Sreeraj Puravankara Presented @ 2022, MRS Spring Meeting Abstract:

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