Grid-scale energy storage is emerging as one of the largest potential applications for electrochemical devices. Increasing needs in higher energy density and limited access to lithium resources require the discovery of new electrode materials and new electrochemistry beyond lithium technology. Affordability is considered to be one of the most important factors. One possible approach to more affordable energy storage is to reduce the amount of costly metals by introducing redox-active organic components into the structure. Herein, we report the use of two redox-active quinone-based and cyanide-bridged coordination polymers consisting of light and inexpensive elements as electrode materials for rechargeable batteries. By tailoring functional groups, the resulting compounds can contain redox centers capable of undergoing multi-electron reactions which allow an increase in energy density. The electrode materials have been characterized by several techniques including in-situ X-ray absorption spectroscopy in order to fully understand the reaction mechanism during cell cycling.

Redox-active coordination polymers as electrode materials for rechargeable batteries

2019 Fall National Meeting

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