Proton-exchange induced reactivity in layered oxides for lithium-ion batteries.

ABSTRACT: LiNi_xCo_yMn_1-x-yO₂ (0 < x, y < 1, NCM) is the dominant positive material for the state-of-the-art lithium-ion batteries. However, the sensitivity of NCM materials to moisture makes their manufacturing, storage, transportation, electrode processing and recycling complicated. Although it is recognized that protons play a critical role in their structure stability and performance, proton exchange with Li⁺ in NCM materials has not been well understood. Here, we employ advanced characterizations and computational studies to elucidate how protons intercalate into the layered structure of NCM, leading to the leaching of Li⁺ and the formation of protonated NCM. It is found that protonation facilitates cation rearrangement and formati

SUBMITTER: Xu P 

PROVIDER: S-EPMC11560953 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature