Abstract
Metal and alloy anode materials are the most promising anode for next-generation batteries. The interfacial instability in the electrochemical energy storage devices has been the primary issue hindering their practical application. In this talk, I will present approaches on de novo designing and architecting stable interphases on electrode materials using chemically and electrochemically active materials. The strategy works by introducing multiple functional components into the polymer composite which can bond to the Li-based material surface to participate in the formation of the SEI. The reinforced SEI shows much better stability than the SEI generated by the electrolyte additive strategy. The functional-material-derived interfaces/interphases present desirable ionic conductivity, density, homogeneity, and mechanical strength. The interfaces/interphases reinforced by the interfacial materials show much better stability than that reinforced by conventional strategies such as using electrolyte additive-commercially used solution to interface stability issues. Our findings open a new way to design stable electrochemically stable interfaces in electrode materials for next-generation electrochemical energy storage.
Published Version
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