2015
DOI: 10.1016/j.matlet.2015.02.092
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Facile hydrothermal synthesis of flowerlike ZnCo 2 O 4 microspheres as binder-free electrodes for supercapacitors

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Cited by 86 publications
(15 citation statements)
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“…While pseudocapacitors obtain their great specific capacitances from the fast reversible faradic redox reactions between electrolyte ions and electroactive materials, including transition metal oxides (e.g. NiO, Co 3 O 4 , NiCo 2 O 4 , ZnCo 2 O 4 , Fe 2 O 3 , and MnO 2 ) and conducting polymers [5][6][7][8][9][10][11][12]. Among various electroactive materials, Co 3 O 4 has been suggested as one of the most promising, cost-effective and easily scalable candidates for supercapacitors, due to its excellent redox activity and high theoretical specific capacitance (3560 F g -1 ).…”
Section: Introductionmentioning
confidence: 99%
“…While pseudocapacitors obtain their great specific capacitances from the fast reversible faradic redox reactions between electrolyte ions and electroactive materials, including transition metal oxides (e.g. NiO, Co 3 O 4 , NiCo 2 O 4 , ZnCo 2 O 4 , Fe 2 O 3 , and MnO 2 ) and conducting polymers [5][6][7][8][9][10][11][12]. Among various electroactive materials, Co 3 O 4 has been suggested as one of the most promising, cost-effective and easily scalable candidates for supercapacitors, due to its excellent redox activity and high theoretical specific capacitance (3560 F g -1 ).…”
Section: Introductionmentioning
confidence: 99%
“…Among the p-type semiconductors, zinc cobaltite (ZnCo 2 O 4 ) is a material with spinel-type structure, which has been mainly used as electrode for Li-ion batteries [7][8][9][10][11] and supercapacitors [12][13][14][15], due to its higher electrochemical performances and higher conductivities. To date, sensor devices based on nanostructured spinel ZnCo 2 O 4 have particularly exhibited an excellent sensitivity toward liquefied petroleum gas [16][17][18], ethanol [19,20], acetone [21], Cl 2 [22], formaldehyde [23], and Xylene [24].…”
Section: Introductionmentioning
confidence: 99%
“…Additionally, several references [18][19][20][21]25] reported its poor sensitivity to carbon monoxide (CO). On the other hand, a variety of synthesis methods have been developed on the preparation of ZnCo 2 O 4 such as combustion [7], thermal decomposition [17], co-precipitation/digestion [18], W/O microemulsion [22], hydrothermal [9,14], sol-gel [26], and surfactant-mediated method [27]. Recently, the colloidal route assisted by microwave radiation has provided an efficient and low cost synthesis method to obtain different types of nanostructured materials [28][29][30][31].…”
Section: Introductionmentioning
confidence: 99%
“…This material has attracted the attention of several research groups due to its potential applications as an electrode for Li-ion batteries [1,2,3,4,5], as a catalyst [6,7,8,9], and in supercapacitors [10,11,12,13]. In the gas sensors field, sensor devices based on ZnCo 2 O 4 nanoparticles have displayed an excellent sensitivity to liquefied petroleum gas [14,15,16,17], H 2 S [18], ethanol [19,20], acetone [21], and formaldehyde [22,23], probably due to their high surface area.…”
Section: Introductionmentioning
confidence: 99%