2019
DOI: 10.1002/anie.201907516
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Construction of CoO/Co‐Cu‐S Hierarchical Tubular Heterostructures for Hybrid Supercapacitors

Abstract: Hierarchical hollow structures for electrode materials of supercapacitors could enlarge the surface area, accelerate the transport of ions and electrons, and accommodate volume expansion during cycling. Besides, construction of heterostructures would enhance the internal electric fields to regulate the electronic structures. All these features of hierarchical hollow heterostructures are beneficial for promoting the electrochemical properties and stability of electrode materials for high‐performance supercapaci… Show more

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Cited by 391 publications
(204 citation statements)
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“…12a). [49][50][51] The presence of weak peaks at 944.2 eV can be attributed to satellite peaks of Cu 2+ . The feature in the S 2p spectra of CuS and Cu 2Àx Hg x S exhibited several interesting (Fig.…”
Section: Evolution: Cus To Hgs Via Cu 2àx Hg X S Nssmentioning
confidence: 99%
“…12a). [49][50][51] The presence of weak peaks at 944.2 eV can be attributed to satellite peaks of Cu 2+ . The feature in the S 2p spectra of CuS and Cu 2Àx Hg x S exhibited several interesting (Fig.…”
Section: Evolution: Cus To Hgs Via Cu 2àx Hg X S Nssmentioning
confidence: 99%
“…So far, many strategies including downsizing the particle size to fabricate hierarchical nanostructures, constructing composites with conductive carbon matrix, and integration with heterogeneous hybrids to shorten electronic and ionic transport paths, alleviate the internal strain, improve the electrical conductivity, and accommodate the volume changes during cycling, have been devoted to promote the lithium storage performance of metal sulfides. Among these effective approaches, construction of heterostructures consisted of different components with bandgaps difference, is an effective way to promote the electrochemical performance, which could generate a strong built‐in electric field ( E ‐field), promote interface charge transport of ions and electrons, thus improving the reaction kinetics . Recently, a Fe 9 S 10 /ZnS heterostructures has been designed to deliver highly efficient sodium storage due to the strong internal E ‐field accelerating Na + diffusion kinetics .…”
Section: Introductionmentioning
confidence: 96%
“…Yet, the low energy density seriously impeded their wide applications [7,8]. In this regard, solid-state asymmetric SCs (ASCs) consisting of a battery-type cathode and a capacitor-type anode have sprung up, which are recognized as a superior structure to effectively enhance the energy density by both widening the voltage window and increasing the specific capacitance [9].…”
Section: Introductionmentioning
confidence: 99%