Binitha G
Manager
Hindustan Petroleum Green R&D Center
Dr. Binitha G is currently assigned as Manager of the Battery Research Lab at Hindustan Petroleum Green R&D Center, Bangalore, India. With a Ph.D. in Nanotechnology and Bachelors in Chemical Engineering, her expertise lies in the design and development of advanced materials for high-power rechargeable battery applications. Prior joining the Maharatna company HPCL, she was working as Research Scientist at Amrita Center for Nanosciences and Molecular Medicine, Kerala, India.
Participates in
TECHNICAL PROGRAMME | Energy Technologies
Powering Mobility: The Energy Transition and the Future of Transportation
Forum 24 | Digital Poster Plaza 4
30
April
12:00
14:00
UTC+3
In the ever-evolving landscape of energy storage, the requirement for sustainable alternatives to conventional lithium-ion batteries (LIBs) has gained unprecedented urgency. Against the backdrop of depleting lithium reserves and growing trade constraints, this research explores a pivotal advancement in sodium-ion battery (SIB) technology—a cost-effective, environmentally conscious solution poised to redefine energy storage and contribute significantly to the global shift toward net-zero emissions [1]. As a future transportation initiative, this work elucidates the development of high-voltage, fast charging-cathode materials for SIBs, emphasizing their potential to propel indigenous energy storage technology globally, while fostering the requirement to accommodate stationery energy storage applications.
SIBs, with abundant sodium resources available worldwide, is currently growing as a competitor for lithium-ion technology. Our research spotlights large scale (kg batch) synthesis of sodium vanadium based fluorophosphates (NVPFX), a high-voltage (3.8 V average) cathode material synthesized through an environmentally neutral, single step annealing less process. This uniquely engineered material has remarkable energy density, reaching an impressive 350+ Wh/kg in half-cell configuration, a performance that positions them as formidable contenders to LIBs. This high energy density unlocks the doors to a myriad of efficient applications across industries, while contributing to the reduction of greenhouse gas emissions. A pivotal performance metric in the energy storage arena, cycling stability, stands testament to the robustness of NVPFX-based SIBs. With over 3000 cycles achieved and a capacity retention rate exceeding 85%, these batteries are primed for real-world applications, promising longevity and reliability. Moreover, these SIBs exhibit an exceptional charge capability while preserving deliverable capacity, rendering them ideal candidates for rapid-charging scenarios. This characteristic enhances user convenience and practicality in diverse applications while aligning with net-zero emissions targets.
A further significant achievement in this research is the incorporation of carbon nanotubes (CNTs) into NVPFX, further amplifying its rate capability retention during swift charging and discharging. The CNT were developed via a carbon neutral synthesis technique which further contributing to the reduction of carbon footprint and hastening the transition to a net-zero emissions future. Even under the compulsion of a 6-minute rapid charge, these SIBs deliver a commendable capacity (80% of practical capacity). In short, this innovative development of high-voltage cathode materials for SIBs not only solves issues with lithium-ion batteries but also powers future of transportation via affordable sodium-ion battery technology.
Sodium-ion batteries: present and future, Chem. Soc. Rev., 2017,46, 3529-3614
SIBs, with abundant sodium resources available worldwide, is currently growing as a competitor for lithium-ion technology. Our research spotlights large scale (kg batch) synthesis of sodium vanadium based fluorophosphates (NVPFX), a high-voltage (3.8 V average) cathode material synthesized through an environmentally neutral, single step annealing less process. This uniquely engineered material has remarkable energy density, reaching an impressive 350+ Wh/kg in half-cell configuration, a performance that positions them as formidable contenders to LIBs. This high energy density unlocks the doors to a myriad of efficient applications across industries, while contributing to the reduction of greenhouse gas emissions. A pivotal performance metric in the energy storage arena, cycling stability, stands testament to the robustness of NVPFX-based SIBs. With over 3000 cycles achieved and a capacity retention rate exceeding 85%, these batteries are primed for real-world applications, promising longevity and reliability. Moreover, these SIBs exhibit an exceptional charge capability while preserving deliverable capacity, rendering them ideal candidates for rapid-charging scenarios. This characteristic enhances user convenience and practicality in diverse applications while aligning with net-zero emissions targets.
A further significant achievement in this research is the incorporation of carbon nanotubes (CNTs) into NVPFX, further amplifying its rate capability retention during swift charging and discharging. The CNT were developed via a carbon neutral synthesis technique which further contributing to the reduction of carbon footprint and hastening the transition to a net-zero emissions future. Even under the compulsion of a 6-minute rapid charge, these SIBs deliver a commendable capacity (80% of practical capacity). In short, this innovative development of high-voltage cathode materials for SIBs not only solves issues with lithium-ion batteries but also powers future of transportation via affordable sodium-ion battery technology.
Sodium-ion batteries: present and future, Chem. Soc. Rev., 2017,46, 3529-3614
