Origin of intergranular Li metal propagation in garnet-based solid electrolyte by direct electronic structure analysis and performance improvement by bandgap engineering
Ju‐Sik Kim, Hyun Seok Kim, Michael E. Badding, Zhen Song, Kihong Kim, Yong‐Su Kim, Dong‐Jin Yun, Dongwook Lee, Jaemyung Chang, Sewon Kim, Sewon Kim, Dongmin Im, Seongyong Park, Seong Heon Kim, Seong Heon Kim, Sung Heo
Abstract
The mechanism of Li dendrite formation for Ta-doped LLZO (LLZTO) was investigated by examining the electronic structure and the laser annealing of LLZTO was performed as a bandgap engineering method to suppress the Li dendrite formation.
Topics & Concepts
Materials scienceElectrolyteAnnealing (glass)Band gapDopingIntergranular corrosionMetalOptoelectronicsChemical physicsChemical engineeringMetallurgyMicrostructureChemistryElectrodePhysical chemistryEngineeringAdvanced Battery Materials and TechnologiesAdvancements in Battery MaterialsSolid-state spectroscopy and crystallography