Electrochemical energy storage can rely on Faradaic (capacitive) or non-Faradaic (redox-active) processes at the fluid-solid interface of an electrolyte with a solid electrode material. We explore (1) capacitive and pseudocapacitive mechanisms to enable rapid and highly efficient energy storage, (2) redox-active materials as next generation battery electrodes, and (3) redox-active electrolytes to enable high energy and high power ratings.
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