Expanded graphite incorporated with Li₄Ti₅O₁₂ nanoparticles as a high-rate lithium-ion battery anode.

ABSTRACT: Due to their small interlayer spacing and a low lithiation potential close to Li⁺ deposition, current graphite anodes suffer from weak kinetics, and lithium deposition in a fast-charging process, hindering their practical application in high-power lithium-ion batteries (LIBs). In this work, expanded graphite incorporated with Li₄Ti₅O₁₂ nanoparticles (EG/LTO) was synthesized via moderate oxidization of artificial graphite following a solution coating process. The EG/LTO has sufficient porosity for fast Li⁺ diffusion and a dense Li₄Ti₅O₁₂ layer for decreased interface reaction resistance, resulting in excellent fast-charging properties. EG/LTO presented a high reversible capacity of 272.8 mA h g

SUBMITTER: Zhao J 

PROVIDER: S-EPMC11002838 | biostudies-literature | 2024 Apr

REPOSITORIES: biostudies-literature