Preparation of frustule-like 1,2-ethylene-silica nanospheres through a chiral amphiphile/organic solvent dual-templating approach

Zhao, Yiming; Huang, Zhibin; Yan, Zhuojun; Wang, Sibing; Li, Baozong; Li, Yi; Yang, Yonggang

doi:10.1016/j.materresbull.2012.10.041

Cited by 2 publications

(1 citation statement)

References 51 publications

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“…Numerous studies have taken place to accelerate the development of electric energy storage devices [2]. Electrochemical supercapacitors are considered an attractive type of energy storage device due to their high power density, long cycle life, fast charge/discharge rate, and much higher charge storage than regular capacitors [3,4].…”

Section: Introductionmentioning

confidence: 99%

Effect of sandblasting and acid surface pretreatment on the specific capacitance of CuO nanostructures grown by hot water treatment for supercapacitor electrode applications

Haque,

Wang,

Ergul

et al. 2024

Nanotechnology

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Crystalline copper oxide (CuO) nanostructures with micro, nano, and micro-nano surface roughness were grown on Cu sheet substrates by a facile, scalable, low-cost, and low-temperature hot water treatment (HWT) method that simply involved immersing Cu sheet in DI water at 75 °C for 24 hours without any chemical additives. Various morphological features and sizes of CuO nanostructures were tuned by using different surface pretreatment techniques including acid treatment, sandblasting, or a combination of those two. The surface morphology of the prepared samples was analyzed by scanning electron microscopy (SEM). The crystal structure of the CuO nanostructures was investigated by X-ray diffraction (XRD) and Raman spectroscopy. To study the pseudocapacitive behavior, their potential supercapacitor performance, and equivalent series resistance, electrochemical analysis was done by cyclic voltammetry (CV) and electrochemical impedance spectroscopy for all the CuO/Cu samples in 1 M of Na2SO4 electrolyte. Among all, the best supercapacitive performance was achieved for CuO/Cu samples pretreated with Sandblasting followed by Acid treatment resulting in a specific capacitance of about 104 F/g. The electrode with the Sandblasted + Acid pretreated sample showed a maximum of ~ 69% capacitive retention after 2000 consecutive cycles. Our results indicate that CuO nanostructures on Cu substrates prepared with different surface pretreatment conditions and grown by HWT can be promising electrodes for supercapacitor device applications.

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Section: Introductionmentioning

confidence: 99%

Effect of sandblasting and acid surface pretreatment on the specific capacitance of CuO nanostructures grown by hot water treatment for supercapacitor electrode applications

Haque,

Wang,

Ergul

et al. 2024

Nanotechnology

View full text Add to dashboard Cite

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Mesoporous silicas templated by heterocyclic amino acid derivatives: Biomimetic synthesis and drug release application

et al. 2018

Materials Science and Engineering: C

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Preparation of frustule-like 1,2-ethylene-silica nanospheres through a chiral amphiphile/organic solvent dual-templating approach

Cited by 2 publications

References 51 publications

Effect of sandblasting and acid surface pretreatment on the specific capacitance of CuO nanostructures grown by hot water treatment for supercapacitor electrode applications

Effect of sandblasting and acid surface pretreatment on the specific capacitance of CuO nanostructures grown by hot water treatment for supercapacitor electrode applications

Mesoporous silicas templated by heterocyclic amino acid derivatives: Biomimetic synthesis and drug release application

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