Bipolar-Type Organic Electrode Material Composed of a Viologen–Naphthalene Diimide–Viologen Triad for Li-Organic Batteries
Yunho Cho,
Deogjin Jang,
Jong-Jin Park
et al.
Abstract:Redox-active organic molecules (ROMs) play a crucial role as electrode materials in the development of future energy storage devices. In this study, we synthesized a bipolar-type ROM, NDI-2Vi, that comprises a triad of an n-type naphthalene diimide (NDI) unit and two p-type viologen (Vi) units, which can reversibly insert/extract the Li cations and Br/TFSI anions, respectively, during the redox reactions in nonaqueous electrolyte. The bipolar redox mechanism allowed NDI-2Vi to always bear certain charges with … Show more
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