One-time sintering process to synthesize ZrO₂-coated LiMn₂O₄ materials for lithium-ion batteries.

ABSTRACT: Herein, different amounts of ZrO₂-coated LiMn₂O₄ materials are successfully prepared by one-time sintering ZrO₂-coated Mn₃O₄ and Li₂CO₃. Scanning and transmission electron microscopy results confirm that the ZrO₂ coating layer on the surface of Mn₃O₄ can still be maintained on the surface of the final LiMn₂O₄ particles even after long-term high-temperature heat-treatment. Three key factors to realize ZrO₂-coated LiMn₂O₄ materials via the one-time sintering process are as follows: (i) the Mn₃O₄ precursor is coated by ZrO₂ in advance; (ii) the ionic radius of Zr⁴⁺ is m

SUBMITTER: Li G 

PROVIDER: S-EPMC9080295 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature