Synthesis of ternary CoZnAl layered double hydroxide and Co-embedded N-doped carbon nanotube hollow polyhedron nanocomposite as a bifunctional material for ORR electrocatalyst and supercapacitor electrode

Habibi, Roghayeh; Mehrpooya, Mehdi; Ganjali, M. R.

doi:10.1016/j.est.2022.105377

Cited by 13 publications

(3 citation statements)

References 89 publications

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“…The strong electronic interactions between La and NiFe LDH elevate the Fe d-band level, increase the number of catalytic active sites and oxygen vacancies, and result in excellent OER activity. Therefore, heteroatom doping provides an ideal platform to modify various physicochemical properties such as phase transformation, vacancies, defects, and electronic band structures of oxide/hydroxide electrocatalysts [105][106][107].…”

Section: Dopingmentioning

confidence: 99%

Multicomponent Metal Oxide- and Metal Hydroxide-Based Electrocatalysts for Alkaline Water Splitting

et al. 2023

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Developing cost-effective, highly catalytic active, and stable electrocatalysts in alkaline electrolytes is important for the development of highly efficient anion-exchange membrane water electrolysis (AEMWE). To this end, metal oxides/hydroxides have attracted wide research interest for efficient electrocatalysts in water splitting owing to their abundance and tunable electronic properties. It is very challenging to achieve an efficient overall catalytic performance based on single metal oxide/hydroxide-based electrocatalysts due to low charge mobilities and limited stability. This review is mainly focused on the advanced strategies to synthesize the multicomponent metal oxide/hydroxide-based materials that include nanostructure engineering, heterointerface engineering, single-atom catalysts, and chemical modification. The state of the art of metal oxide/hydroxide-based heterostructures with various architectures is extensively discussed. Finally, this review provides the fundamental challenges and perspectives regarding the potential future direction of multicomponent metal oxide/hydroxide-based electrocatalysts.

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Section: Dopingmentioning

confidence: 99%

Multicomponent Metal Oxide- and Metal Hydroxide-Based Electrocatalysts for Alkaline Water Splitting

et al. 2023

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“…[107] and displayed the highest SC and energy density of 531.3F/g and 26.5 Wh/kg, respectively, at the current density of 1 A/g. @N, CNTs@Bi 2 S 3 /MoS 2 , CNTs/Cu 2 P 2 O 7 , and CNTs/MXene with a SC of 712 F/g, 815.6 F/g, 252 F/g, 869.6 F/g, 888 F/g, 23 F/g, 270.5 F/g, 334.4 F/g, 1842 F/g, 12 F/g, 8 F/g, 1298 F/g, 386 F/g, 1493 F/g, 4552 F/g, 1320 F/g, 650 F/g, 254 F/g, 1338 F/g, 465 F/g, and 401.4 F/g, respectively [108][109][110][111][112][113][114][115][116][117][118][119][120][121][122][123][124][125][126][127]. A comparison of SC, power, and energy densities of CNT/metal-based supercapacitors published in 2022 is mentioned in Table 3.…”

Section: Cnt/pani-based Supercapacitorsmentioning

confidence: 99%

CNTs-Supercapacitors: A Review of Electrode Nanocomposites Based on CNTs, Graphene, Metals, and Polymers

et al. 2023

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Carbon nanotubes (CNTs), due to mechanical, electrical, and surface area properties and their ability to adapt to different nanocomposite structures, are very substantial in supercapacitor electrodes. In this review, we have summarized high-performance, flexible, and symmetry CNT supercapacitors based on the CNTs/graphene, CNTs/metal, and CNTs/polymer electrodes. To present recent developments in CNT supercapacitors, we discuss the performance of supercapacitors based on electrical properties such as specific capacitance (SC), power and energy densities, and capacitance retention (CR). The comparison of supercapacitor nanocomposite electrodes and their results are reported for future researchers.

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“…1,2 Reducing fossil fuel consumption by replacing it with clean energy resources such as hydrogen can be considered as an effective solution. 3,4 Fuel cells work based on electrochemical conversion, which convert the chemical energy of hydrogen directly into electricity. In recent years, the utilization of fuel cells has expanded through the vehicle industry, CHP, and spacecrafts.…”

Section: Introductionmentioning

confidence: 99%

Introducing mesoporous silica-protected calcination for improving the electrochemical performance of Cu@Fe–N–C composites in oxygen reduction reactions and supercapacitor applications

et al. 2022

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Synthesis of ternary CoZnAl layered double hydroxide and Co-embedded N-doped carbon nanotube hollow polyhedron nanocomposite as a bifunctional material for ORR electrocatalyst and supercapacitor electrode

Cited by 13 publications

References 89 publications

Multicomponent Metal Oxide- and Metal Hydroxide-Based Electrocatalysts for Alkaline Water Splitting

Multicomponent Metal Oxide- and Metal Hydroxide-Based Electrocatalysts for Alkaline Water Splitting

CNTs-Supercapacitors: A Review of Electrode Nanocomposites Based on CNTs, Graphene, Metals, and Polymers

Introducing mesoporous silica-protected calcination for improving the electrochemical performance of Cu@Fe–N–C composites in oxygen reduction reactions and supercapacitor applications

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