- The Back Cover picture shows a new micro-supercapacitor comprising freestanding microporous gold/reduced graphene oxide electrodes coated with MnO2, a pseudocapacitive layer. The symmetric device enables fast redox reactions and efficient electron transport, exhibiting excellent electrochemical performance. More details can be found in the Full Paper by Morag et al.(DOI: 10.1002/cssc. 201700500).