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The quest for cheaper, safer, higher-density, and more resource-abundant energy storage has driven significant battery innovations. In the context of materials development for next-generation batteries, organic battery electrode materials that store charge with dedicated redox groups have emerged as an exciting option complementary to inorganic materials and demonstrated unique advantages in novel battery technologies.

Photoactive molecular building blocks can be spatially integrated into the crystalline lattice of covalent organic frameworks (COFs), allowing us to create models for organic bulk heterojunctions, chemical sensors and porous electrodes for photoelectrochemical systems. In this presentation, we will address means of controlling the morphology and packing order of COFs in thin films (1) and with spatially locked-in building blocks.(2)

In this talk I discuss our work creating self-repairing materials and engineering systems; the importance of a multidisciplinary approach to achieve this goal; and the environmental dividends of success.

After an overview of the basics of energy storage in batteries, the most promising electrochemical operando characterization techniques for battery materials and electrodes will be discussed.