How electrodes charge and discharge
Boston MA (SPX) Apr 04, 2014 - The electrochemical reactions inside the porous electrodes of batteries and fuel cells have been described by theorists, but never measured directly. Now, a team at MIT has figured out a way to measure the fundamental charge transfer rate - finding some significant surprises. The study found that the Butler-Volmer (BV) equation, usually used to describe reaction rates in electrodes, is ina ... more
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