Carbon quantum dots decorated NiCo layered double hydroxide for electrochemical oxygen evolution reaction and supercapacitor application
Journal of Materials Science: Materials in Electronics, ISSN: 1573-482X, Vol: 35, Issue: 15
2024
- 5Citations
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
Accelerating depletion of traditional fossil fuel and global warming demand highly efficient, cost-effective, and scalable electrocatalysts for energy conversion processes (water splitting) and energy storage devices (supercapacitor). In this work carbon quantum dot (CQD) decorated NiCo-LDH was successfully prepared on nickel foam as an electrocatalyst for oxygen evolution reaction (OER) and supercapacitor via a facile two-step hydrothermal pathway. Benefiting from improved electrical conductivity with CQD the synthesized CQD/NiCo-LDH showed remarkable electrochemical behavior than NiCo-LDH. The CQD/NiCo-LDH and NiCo-LDH generated a current density of 10 mA/cm at an overpotential of 226 and 332 mV with Tafel slope of 125 and 147 mV/dec, respectively. In addition, CQD/NiCo-LDH electrodes exhibited specific capacitance of 1136 and 441 F/g at 1 and 10 A/g current density, respectively, and cycling stability of almost 62% specific capacitance retention after 500 charge–discharge cycles.
Bibliographic Details
Springer Science and Business Media LLC
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