H‐TiO2@MnO2//H‐TiO2@C Core–Shell Nanowires for High Performance and Flexible Asymmetric Supercapacitors
Xihong LuMinghao YuGongming WangTeng ZhaiShilei XieYichuan LingYexiang TongYat Li
Abstract
A flexible solid-state asymmetric supercapacitor device with H-TiO(2) @MnO(2) core-shell NWs as the positive electrode and H-TiO(2) @C core-shell NWs as the negative electrode is developed. This device operates in a 1.8 V voltage window and is able to deliver a high specific capacitance of 139.6 F g(-1) and maximum volumetric energy density of 0.30 mWh cm(-3) with excellent cycling performance and good flexibility.
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