Poonam Sehrawat has completed her Ph.D. (Nanoscience and Nanotechnology) in 2018 from Centre for Nanoscience and Nanotechnology, Jamia Millia Islamia, New Delhi, India. She is presently working as a Postdoc Fellow at the Department of Physics and Astrophysics, University of Delhi, New Delhi, India. She has published 13 research papers in international peer reviewed journals and presented her work in more than 15 national and international conferences. Her research works include the nanoscale synthesis and characterization of different types sensing devices such as temperature and optical sensors. Currently her research is focused on the developments of nanostructured electrode materials and polymer electrolytes for application in lithium-ion batteries, sodium-ion batteries and lithium-ion hybrid supercapacitors.