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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.7b00589
|2 doi
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|a pubmed24n0905.xml
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|a (NLM)28482156
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Yang, MinHo
|e verfasserin
|4 aut
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|a MnO2 Nanowire/Biomass-Derived Carbon from Hemp Stem for High-Performance Supercapacitors
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|c 2017
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 11.07.2018
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|a Date Revised 11.07.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Hierarchical 3D nanostructures based on waste biomass are being offered as promising materials for energy storage due to their processabilities, multifunctionalities, environmental benignities, and low cost. Here we report a facile, inexpensive, and scalable strategy for the fabrication of hierarchical porous 3D structure as electrode materials for supercapacitors based on MnO2 nanowires and hemp-derived activated carbon (HC). Vertical MnO2 wires are uniformly deposited onto the surface of HC using a one-step hydrothermal method to produce hierarchical porous structures with conductive interconnected 3D networks. HC acts as a near-ideal 3D current collector and anchors electroactive materials, and this confers a specific capacitance of 340 F g-1 at 1 A g-1 with a high rate capability (88% retention) of the 3D MnO2/HC composite because of its open-pore system, which facilitates ion and electron transports and synergistic contribution of two energy-storage materials. Moreover, asymmetric supercapacitors fabricated using 3D HC as the anode and 3D MnO2/HC as the cathode are able to store 33.3 Wh kg-1 of energy and have a power delivery of 14.8 kW kg-1
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Kim, Dong Seok
|e verfasserin
|4 aut
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|a Hong, Seok Bok
|e verfasserin
|4 aut
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|a Sim, Jae-Wook
|e verfasserin
|4 aut
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|a Kim, Jinsoo
|e verfasserin
|4 aut
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|a Kim, Seung-Soo
|e verfasserin
|4 aut
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|a Choi, Bong Gill
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 33(2017), 21 vom: 30. Mai, Seite 5140-5147
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:33
|g year:2017
|g number:21
|g day:30
|g month:05
|g pages:5140-5147
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|u http://dx.doi.org/10.1021/acs.langmuir.7b00589
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