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Mechanics Of Binder-Particle Interactions In Composite Battery Electrodes, Richard Johnson
Mechanics Of Binder-Particle Interactions In Composite Battery Electrodes, Richard Johnson
Theses
A study into the particle level mechanics of polymer binder and active material used in composite lithium-ion batteries (LIB) has been conducted. Silicon is highly sought after material that can be used as an active material in a composite anode. Its high theoretical capacity can result in batteries that can store more energy than current LIBs, but high volume expansion of Si during charge/discharge cycles leads to rapid capacity fade and poor cyclic life. Understanding the stress that is generated in the binder and the active material due to the volume expansion has not been fully understood. In this study …