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Wu, Yaopeng [Verfasser:in]; Chen, Jinghong [Verfasser:in]; Yuan, Wei [Verfasser:in]; Zhang, Xiaoqing [Verfasser:in]; Bai, Shigen [Verfasser:in]; Chen, Yu [Verfasser:in]; Zhao, Bote [Verfasser:in]; Wu, Xuyang [Verfasser:in]; Wang, Chun [Verfasser:in]; Huang, Honglin [Verfasser:in]; Tang, Yong [Verfasser:in]; Wan, Zhenping [Verfasser:in]; Zhang, Shiwei [Verfasser:in]; Xie, Yingxi [Verfasser:in]

Direct Mask-Free Fabrication of Damage-Less Patterned Hierarchical Graphene Electrode for On-Chip Micro-Supercapacitors

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  • Medientyp: E-Book
  • Titel: Direct Mask-Free Fabrication of Damage-Less Patterned Hierarchical Graphene Electrode for On-Chip Micro-Supercapacitors
  • Beteiligte: Wu, Yaopeng [Verfasser:in]; Chen, Jinghong [Verfasser:in]; Yuan, Wei [Verfasser:in]; Zhang, Xiaoqing [Verfasser:in]; Bai, Shigen [Verfasser:in]; Chen, Yu [Verfasser:in]; Zhao, Bote [Verfasser:in]; Wu, Xuyang [Verfasser:in]; Wang, Chun [Verfasser:in]; Huang, Honglin [Verfasser:in]; Tang, Yong [Verfasser:in]; Wan, Zhenping [Verfasser:in]; Zhang, Shiwei [Verfasser:in]; Xie, Yingxi [Verfasser:in]
  • Erschienen: [S.l.]: SSRN, [2022]
  • Umfang: 1 Online-Ressource (24 p)
  • Sprache: Englisch
  • DOI: 10.2139/ssrn.4037942
  • Identifikator:
  • Entstehung:
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  • Beschreibung: Graphene-based electrodes with rational structural design have shown extraordinary prospect for harvesting enhanced electrical double-layer capacitance of micro-supercapacitors (MSCs). In this study, a facile fabrication method for flexible planar MSCs based on hierarchical graphene is demonstrated by using a laser-treated membrane for the damage-less electrode patterning, complemented with hierarchical electrode configuration taking full advantages of different sized graphene. The in-plane on-chip interdigital shape of MSCs is defined through vacuum filtration with the assistance of the functionalized polypropylene (PP) membrane. The sandwich-like graphene films are built by alternative layer-by-layer deposition of large- and small-sized graphene oxide (GO-L, GO-S), and reduced to structural electrodes (rGO-LSL) after being transferred onto a flexible substrate. The sample of MSCs based on rGO-LSL (MSCs-LSL) exhibits excellent volumetric capacitance of 6.7 F cm -3 and high energy density of 0.37 mWh cm -3 , outperforming most of previously reported graphene-based MSCs. The MSCs-LSL present superb flexibility and cycling stability with 120% capacitance retained after 20000 cycles. This newly developed fabrication strategy is of good scalability and designability to manufacture flexible damage-less electrode for MSCs with customized shapes, while the construction of hierarchical graphene can enlighten the structural design of analogous two-dimensional materials for potential advanced electronics
  • Zugangsstatus: Freier Zugang