层间共价增强石墨烯材料的构筑、性能与应用
Interlayer Covalently Enhanced Graphene Materials: Construction, Properties, and Applications
(a–i) Adapted with permission from Ref.
层间共价增强石墨烯材料的构筑、性能与应用 |
| 梁涛, 王斌 |
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Interlayer Covalently Enhanced Graphene Materials: Construction, Properties, and Applications |
| Tao Liang, Bin Wang |
| 图9 基于石墨烯纸电极的不对称全固态超级电容器。(a)器件示意图；(b，c)碳纳米管/石墨烯以及Mn3O4纳米粒子/石墨烯复合纸电极照片；(d，e)碳纳米管/石墨烯以及Mn3O4纳米粒子/石墨烯复合纸电极截面形貌；(f)正常、弯曲、弯折等条件下的超级电容器照片；(g)不同电压下的循环伏安曲线；(h)比容随电流密度的变化；(i)弯曲以及多次弯折之后器件的比容变化 |
| Fig 9 All-solid-state asymmetric supercapacitors based on graphene paper electrodes. (a) Schematic of the device. (b, c) The photos of the carbon nanotubes/graphene and Mn3O4 nanoparticles/graphene hybrid electrodes. (d, e) The cross-section SEM images of the carbon nanotubes/graphene and Mn3O4 nanoparticles/graphene hybrid electrodes. (f) The photos of the supercapacitors in normal, bending, and twisting states. (g) Cyclic voltammograms curves of the devices under different cell voltages. (h) Specific capacitance of the device as a function of current densities. (i) Specific capacitance retention of the device at normal (n), bending (b), and twisting (t) states and after being bent repeatedly. (a–i) Adapted with permission from Ref. |
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