High-performance asymmetric supercapacitor based on graphene hydrogel and nanostructured MnO2
We have successfully fabricated an asymmetric supercapacitor with high energy and power densities using graphene hydrogel (GH) with 3D interconnected pores as the negative electrode and vertically aligned MnO2 nanoplates on nickel foam (MnO2-NF) as the positive electrode in a neutral aqueous Na2SO4...
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| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
2013
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| Online Access: | https://hdl.handle.net/10356/96519 http://hdl.handle.net/10220/10270 |
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| Institution: | Nanyang Technological University |
| Language: | English |