Stress-Dispersed Nanoconstruction of CoMoP Anode: Improved Na-Storage Stability and Reversibility
Zhongpeng Sun,
Zhiyuan Han,
Wen-Hua Yang
et al.
Abstract:Metal phosphide anode materials encounter poor reversibility of the discharge product (metal and Na 3 P) and large volume variation, resulting in low initial Coulombic efficiency (ICE) and severe capacity degradation. Herein, a bimetallic phosphide (CoMoP) with three-dimensional ordered porous (3DOP) nanoconstruction was fabricated, which presents a reduced Gibbs free energy change (ΔG) of redox reaction between Co−Mo/Na 3 P and CoMoP and improved conductivity compared to CoP and MoP. Additionally, the 3DOP ar… Show more
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