In-operando neutron reflectometry studies on lithium insertion into silicon electrodes of Li-ion batteries

Jerliu, B.; Hüger, E. GND; Dörrer, L. GND; Schmidt, H. GND;

Lithium ion incorporation into amorphous silicon electrodes was monitored via in-op-erando neutron reflectometry in real-time during battery cell operation. Recent results of cyclic voltammetry experiments are presented. These experiments enable us to mon-itor the enormous volume expansion, the formation and evolution of the SEI (solid elec-trolyte interphase), the determination of irreversible capacity losses and voltage hyste-resis effects during cycling.

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Jerliu, B. / Hüger, E. / Dörrer, L. / et al: In-operando neutron reflectometry studies on lithium insertion into silicon electrodes of Li-ion batteries. Aachen 2019. Shaker.

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