Abstract
The authors gratefully acknowledge the financial support of EPSRC UK and Jaguar Land Rover Ltd for this work.
Highlights
Understanding the behavior of the individual electrodes in commercial lithium-ion cells gives insight into the degradation mechanisms that result in capacity and power fade and enables design of better battery management systems (BMSs), for example by allowing more accurate predictions of future cell behavior.[1]
The performance of the 3-electrode cells constructed using the wire method is in excellent agreement with that of unmodified cells
A lithium reference electrode has been successfully introduced to a commercial Li-ion pouch cell in a minimally-intrusive manner that does not impact on the capacity or capacity retention of the cell over the first twenty cycles
Summary
Understanding the behavior of the individual electrodes in commercial lithium-ion cells gives insight into the degradation mechanisms that result in capacity and power fade and enables design of better battery management systems (BMSs), for example by allowing more accurate predictions of future cell behavior.[1]. The accuracy of the results obtained from the cell modifications and impact on capacity degradation over 20 cycles are compared with the original 2-electrode configuration and the cathode and anode materials (extracted from the full cell) cycled in 2-electrode half-cells vs a Li metal CE.
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