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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Zuo, Zicheng Kim, Tae Young Kholmanov, Iskandar Li, Huifeng Chou, Harry Li, Yuliang |
| Description | Author Affiliation: Zuo Z ( CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Science, Beijing, 100190, P. R. China.); Kim TY ( Department of Mechanical Engineering and Materials Science and Engineering Program, The University of Texas at Austin, One University Station C2200, Austin, TX, 78712, USA.); Kholmanov I ( Department of Mechanical Engineering and Materials Science and Engineering Program, The University of Texas at Austin, One University Station C2200, Austin, TX, 78712, USA.); Li H ( Department of Mechanical Engineering and Materials Science and Engineering Program, The University of Texas at Austin, One University Station C2200, Austin, TX, 78712, USA.); Chou H ( Department of Mechanical Engineering and Materials Science and Engineering Program, The University of Texas at Austin, One University Station C2200, Austin, TX, 78712, USA.); Li Y ( CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Science, Beijing, 100190, P. R. China.) |
| Abstract | A mild and environmental-friendly method is developed for fabricating a 3D interconnected graphene electrode with large-scale continuity. Such material has interlayer pores between reduced graphene oxide nanosheets and in-plane pores. Hence, a specific surface area up to 835 m(2) g(-1) and a high powder conductivity up to 400 S m(-1) are achieved. For electrochemical applications, the interlayer pores can serve as 'ion-buffering reservoirs' while in-plane ones act as 'channels' for shortening the mass cross-plane diffusion length, reducing the ion response time, and prevent the interlayer restacking. As binder-free supercapacitor electrode, it delivers a specific capacitance up to 169 F g(-1) with surface-normalized capacitance close to 21 µF cm(-2) (intrinsic capacitance) and power density up to 7.5 kW kg(-1), in 6 m KOH aqueous electrolyte. In the case of lithium-ion battery anode, it shows remarkable advantages in terms of the initiate reversible Coulombic efficiency (61.3%), high specific capacity (932 mAh g(-1) at 100 mA g(-1)), and robust long-term retention (93.5% after 600 cycles at 2000 mAh g(-1)). |
| File Format | HTM / HTML |
| ISSN | 16136810 |
| Issue Number | 37 |
| Journal | Small |
| Volume Number | 11 |
| e-ISSN | 16136829 |
| Language | English |
| Publisher | Wiley-VCH |
| Publisher Date | 2015-10-07 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Nanoscience and Nanotechnology Medicine Biomaterials Engineering Biotechnology |
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