Kuntal Ghosh
@cgcri.res.in
Senior Research Fellow
CSIR-Central Glass and Ceramic Research Institute (CSIR-CGCRI)
RESEARCH, TEACHING, or OTHER INTERESTS
Materials Science, Electrochemistry, Renewable Energy, Sustainability and the Environment
Scopus Publications
Scholar Citations
Scholar h-index
Scopus Publications
Mononita Das, Kuntal Ghosh, and Mir Wasim Raja
Elsevier BV
Kuntal Ghosh and Mir Wasim Raja
Elsevier BV
Kuntal Ghosh and Mir Wasim Raja
American Chemical Society (ACS)
Kuntal Ghosh and Mir Wasim Raja
American Chemical Society (ACS)
An attempt has been made for the first time to convert waste biomass such as water hyacinth (WH) to a functional energy material in a cost-effective way. The present research describes a novel exo-templating methodology to develop engineered microstructure of Ga-doped Li7La3Zr2O12 (Li6.25La3Ga0.25Zr2O12, referred as WH-Ga-LLZO) solid-state electrolyte for its use in all solid-state lithium batteries (ASSLBs) by mimicking the intercellular structure of water hyacinth (Eichhornia crassipes), an invasive and noxious aquatic plant. The developed exo-templated methodology offers a low calcination temperature of 1000 °C in air where all the major peaks could be indexed as cubic garnet, as confirmed by XRD. The FESEM micrographs revealed a unique “plate-like” morphology that mimicked the intercellular structure of water hyacinth fiber. The bulk lithium-ion conductivity in the WH-Ga-LLZO electrolyte was found to be 3.94 × 10–5 S/cm. Li/WH-Ga-LLZO/Li cells were galvanostatically cycled for a continuous 295 h with increasing step current densities from 28 μA/cm2 without a short circuit. The highest current density as measured for maximum polarization in a symmetric cell was found to be 452 μA/cm2. The WH exo-templated methodology was thus developed and optimized and can be extended for synthesizing any application-specific multifunctional materials.