TiO₂-Coated Interlayer-Expanded MoSe₂/Phosphorus-Doped Carbon Nanospheres for Ultrafast and Ultralong Cycling Sodium Storage.

ABSTRACT: Based on multielectron conversion reactions, layered transition metal dichalcogenides are considered promising electrode materials for sodium-ion batteries, but suffer from poor cycling performance and rate capability due to their low intrinsic conductivity and severe volume variations. Here, interlayer-expanded MoSe₂/phosphorus-doped carbon hybrid nanospheres coated by anatase TiO₂ (denoted as MoSe₂/P-C@TiO₂) are prepared by a facile hydrolysis reaction, in which TiO₂ coating polypyrrole-phosphomolybdic acid is utilized as a novel precursor followed by a selenization process. Benefiting from synergistic effects of MoSe₂, phosphorus-doped carbon, and TiO₂, the hybrid nanospheres manifest unprecedented cycling stab

SUBMITTER: Wang Y 

PROVIDER: S-EPMC6325630 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature