Press release
680KB
november 24, 2016 - Toyota
Toyota Develops World's First Behavior Observation Method for Lithium Ions in Electrolyte
Toyota Motor Corporation has developed the world's first1 method for observing the behavior of lithium ions (Li-ions) in an electrolyte when a Li-ion battery charges and discharges.
By using this method, it is possible to observe in real-time, the deviation of Li-ions―one of the causes of deterioration in the performance of Li-ion batteries. #toyota believes that this will provide essential guidelines for R&D that aims to improve the performance and durability of batteries, which would lead to longer battery life, as well as longer driving ranges for plug-in hybrid vehicles (PHVs) and electric vehicles (EVs).
Li-ion batteries use a metal oxide in the cathode, a carbon material in the anode, and an organic electrolyte for the electrolyte. Lithium ions flow in the electrolyte from the cathode to the anode when the battery is charging, and from the anode to the cathode when the battery is discharging, which results in an electric current flow. Thus, the Li-ions play an essential role within the electrolyte during battery charging and discharging.
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