Abhilash Karuthedath Parameswaran has awarded his Doctoral degree in the field of all-solid-state-Li-ion batteries, from Bharathiar University, Coimbatore, India (in 2016). He has worked as a Post-doctoral researcher (2016-2017) at Advanced Battery Research Laboratory, Department of Physics, National University of Singapore (NUS), Singapore, where he widened his knowledge with nano scale materials for advanced energy storage and device fabrications. Dr. K.P.A worked as a Post-doctoral researcher at NEMs Lab, Nanjing University of Science and Technology (NJUST), Nanjing, China from 2017 to 2019. He has gained his knowledge in designing 3D nano cathodes for flexible Lithium ion batteries. Dr. K.P.A. is now working as a Post-doctoral researcher (Under the project : CHEMFELLs IV) in the Department of inorganic Chemistry, University of Chemistry and Technology (UCT), Prague, from 2021. His research interests include all-solid-state batteries, nano-energy materials (NEMs), and novel 3D and 2D energy storage systems.