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https://hdl.handle.net/2440/132116
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dc.contributor.author | Gao, H. | - |
dc.contributor.author | Yang, F. | - |
dc.contributor.author | Zheng, Y. | - |
dc.contributor.author | Zhang, Q. | - |
dc.contributor.author | Hao, J. | - |
dc.contributor.author | Zhang, S. | - |
dc.contributor.author | Zheng, H. | - |
dc.contributor.author | Chen, J. | - |
dc.contributor.author | Liu, H. | - |
dc.contributor.author | Guo, Z. | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | ACS Applied Materials and Interfaces, 2019; 11(5):5373-5379 | - |
dc.identifier.issn | 1944-8244 | - |
dc.identifier.issn | 1944-8252 | - |
dc.identifier.uri | https://hdl.handle.net/2440/132116 | - |
dc.description.abstract | An ingeniously designed porous structure can synergistically optimize the desired properties and maximize the advantages of a material as an electrode for a high-performance energy storage system. The active material with a porous nanostructure could reduce the ion diffusion path and buffer the strain caused by the volume changes during cycling. Furthermore, combining the active material with a three-dimensional (3D) graphene aerogel (GA) matrix is an ideal way to maintain the structural integrity, improve the conductivity, and overcome the aggregation problem of the nanomaterials. Herein, we adopted a facile template-based strategy to derive a composite of 3D hierarchically porous cobalt phosphide nanocubes with a graphene aerogel (CoP@GA). The as-prepared CoP@GA features porous cobalt phosphide nanocubes that are firmly encapsulated and uniformly distributed in the well-defined graphene aerogel skeleton. Benefiting from the hierarchical porosity, structural integrity, and conductive network, the CoP@GA electrode manifests an ultrahigh initial Coulombic efficiency (88.6%), outstanding lithium storage performance in terms of excellent cycling performance (805.3 mAh·g⁻¹ after 200 cycles at 200 mA·g⁻¹), superior high-energy performance (351.8 mAh·g⁻¹ after 4000 cycles at 10 A·g⁻¹), and exceptional rate capability. Moreover, this synthesis protocol could be an instructive precedent for fabricating transition-metal-phosphide-based 3D porous composites with excellent electrochemical performances. | - |
dc.description.statementofresponsibility | Hong Gao, Fuhua Yang, Yang Zheng, Qing Zhang, Junnan Hao, Shilin Zhang, Hao Zheng, Jun Chen, Huakun Liu, and Zaiping Guo | - |
dc.language.iso | en | - |
dc.publisher | American Chemical Society (ACS) | - |
dc.rights | © 2019 American Chemical Society | - |
dc.source.uri | http://dx.doi.org/10.1021/acsami.8b19613 | - |
dc.subject | Cobalt phosphide; graphene aerogel; template-engaged; stability; lithium-ion battery | - |
dc.title | Three-dimensional porous cobalt phosphide nanocubes encapsulated in a graphene aerogel as an advanced anode with high coulombic efficiency for high-energy lithium-ion batteries | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1021/acsami.8b19613 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/DP170102406 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/FT150100109 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/CE140100012 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Hao, J. [0000-0002-5777-7844] | - |
dc.identifier.orcid | Zhang, S. [0000-0002-3268-5708] | - |
dc.identifier.orcid | Guo, Z. [0000-0003-3464-5301] | - |
Appears in Collections: | Chemical Engineering publications |
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