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Nanomaterials Design for Electrochemical Technologies: Batteries and Electrocatalysts

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Inaugural Schlumberger Lectures

Rechargeable batteries have been a great success in powering consumer electronics. There has been a recent strong interest in applying rechargeable batteries to vehicle electrification and grid- scale storage. Novel battery chemistries are necessary for enabling these opportunities although they also present significant fundamental materials challenges. Here I will present the exciting progress in my group for the past decade on exploring nanomaterials design to address these challenges. Examples include: 1) High capacity battery electrode materials such as Si, Li metal and P anodes and S cathodes; 2) Low-cost grid scale energy storage chemistries: Li polysulfide and Prussian blue open framework materials; 3) Smart battery separators for safety enhancement. Based on the principle of battery reaction, we discovered that it can be used as a powerful way to electrochemically tune electrocatalysts, resulting in significant improvement of catalytic activity for hydrogen and oxygen evolution reactions.

This talk is part of the Materials Chemistry Research Interest Group series.

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