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Network structured carbonized bacterial cellulose-supported Ru nanoparticles (CBC/Ru), which provide sufficient space for Li2O2 deposition without a significant volume effect and improve the transport of oxygen and electrons, were used as the binder-free oxygen electrode in a Li-O2 battery. The CBC/Ru exhibited high activities and good stability during discharge-recharge processes.
Tong et al. (2015) studied this question.