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Article Abstract

We synthesize and characterize a rechargeable aluminum battery cathode material composed of heterostructured CoSe/ZnSe embedded in a hollow carbon matrix. This heterostructure is synthesized from a metal-organic framework composite, in which ZIF-8 is grown on the surface of ZIF-67 cube. Both experimental and theoretical studies indicate that the internal electric field across the heterostructure interface between CoSe and ZnSe promotes the fast transport of electron and Al-ion diffusion. As a result, the heterostructured CoSe/ZnSe demonstrates superior specific capacity and cycle stability compared to the single-phase CoSe and ZnSe cathode materials.

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http://dx.doi.org/10.1021/acsami.2c23205DOI Listing

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