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| 1 | Scalable microfabrication of three-dimensional porous interconnected graphene scaffolds with carbon spheres for high-performance all carbon-based micro-supercapacitors显示文摘As one of the most important micro energy storage devices(MESDs),graphene-based micro-supercapacitors(G-MSCs)possess the advantages of excellent flexibility,long cycle life,affordability and high reliability.In most cases,constructing three-dimensional(3D)graphene networks is widely utilized to promote the permeation of electrolyte and enhance the utilization of active materials.In this work,conventional freeze-drying process is utilized in the fabrication of G-MSCs to constitute 3D interconnected networks micro-electrodes,and further by regulating the composition of inks,carbon spheres(CSs)at different mass loadings are introduced into the graphene scaffolds to further increase the active sites of the micro-electrodes.The fabricated all carbon-based MSC with the optimal mass loading of CSs(0.406 mg cm^(-2))exhibits a high specific areal capacitance of 17.01mF cm^(-2)at the scan rate of 10mV s^(-1)and a capacitance retention of 93.14%after 10000 cycles at the scan rate of 500 mV s^(-1).The proposed microfabrication process is facile and fully compatible with modern microtechnologies and will be highly suitable for large-scale production and integration. | Yiming Chen Minghao Guo Liang He Wei Yang Lin Xu Jiashen Meng Xiaocong Tian Xinyu Ma Qiang Yu Kaichun Yang Xufeng Hong Liqiang Mai | 2019 | Journal of Materiomics2019，5，2： | 6 |
| 2 | Recent developments of advanced micro-supercapacitors:design,fabrication and applications显示文摘The rapid development of wearable,highly integrated,and flexible electronics has stimulated great demand for on-chip and miniaturized energy storage devices.By virtue of their high power density and long cycle life,micro-supercapacitors(MSCs),especially those with interdigital structures,have attracted considerable attention.In recent years,tremendous theoretical and experimental explorations have been carried out on the structures and electrode materials of MSCs,aiming to obtain better mechanical and electrochemical properties.The high-performance MSCs can be used in many fields,such as energy storage and medical assistant examination.Here,this review focuses on the recent progress of advanced MSCs in fabrication strategies,structural design,electrode materials design and function,and integrated applications,where typical examples are highlighted and analyzed.Furthermore,the current challenges and future development directions of advanced MSCs are also discussed. | Fan Bu Weiwei Zhou Yihan Xu Yu Du Cao Guan Wei Huang | 2020 | npj Flexible Electronics2020，4，1： | 3 |
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