What question did this study set out to answer?

Investigate the effect of rare-earth cerium (Ce) doping on the electrochemical performance, reaction kinetics, and cycling durability of (Ni,Co)Se2 nanostructured electrodes for supercapacitors.

August 16, 2026ACS Applied Nano Materials

Rare-Earth Ce DopingStrategy to Optimize the ElectrochemicalPerformance of (Ni,Co)Se2 Nanostructures for Supercapacitors

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YZYuanli Zhao YZYan Zhu LZLi Zhou

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Overview

Experimental study demonstrates enhanced capacitance and cycling stability in cerium-doped nickel-cobalt selenide nanostructures, highlighting a viable pathway for high-energy supercapacitors.

Key Points

Investigate the effect of rare-earth cerium (Ce) doping on the electrochemical performance, reaction kinetics, and cycling durability of (Ni,Co)Se2 nanostructured electrodes for supercapacitors.
Synthesized Ce-doped (Ni,Co)Se2 nanomaterials to engineer a porous architecture with Ce3+/Ce4+ redox pairs.
Evaluated specific capacitance, ion diffusion kinetics, and cycling stability across 8000 charge-discharge cycles.
Assembled and tested a complete supercapacitor device to measure energy and power density.
The 5% Ce-doped electrode achieved a specific capacitance of 1928.7 F g–1 (964.4 C g–1) at a current density of 1 A g–1.
The optimized electrode retained 85.3% of its initial capacitance after 8000 cycles.
The assembled supercapacitor device delivered an energy density of 87.7 Wh kg–1 at a power density of 800 W kg–1.

Cite This Study

Zhao et al. (2026) studied this question.

synapsesocial.com/papers/6a8179cbf2fb91fc834ad1bb https://doi.org/10.1021/acsanm.6c02166

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August 16, 2026ACS Applied Nano Materials

Rare-Earth Ce DopingStrategy to Optimize the ElectrochemicalPerformance of (Ni,Co)Se2 Nanostructures for Supercapacitors

View Full Paper

Ask AI

Bookmark

Authors

YZYuanli Zhao YZYan Zhu LZLi Zhou

Discussion

Member takes

Overview

Experimental study demonstrates enhanced capacitance and cycling stability in cerium-doped nickel-cobalt selenide nanostructures, highlighting a viable pathway for high-energy supercapacitors.

Key Points

Investigate the effect of rare-earth cerium (Ce) doping on the electrochemical performance, reaction kinetics, and cycling durability of (Ni,Co)Se2 nanostructured electrodes for supercapacitors.
Synthesized Ce-doped (Ni,Co)Se2 nanomaterials to engineer a porous architecture with Ce3+/Ce4+ redox pairs.
Evaluated specific capacitance, ion diffusion kinetics, and cycling stability across 8000 charge-discharge cycles.
Assembled and tested a complete supercapacitor device to measure energy and power density.
The 5% Ce-doped electrode achieved a specific capacitance of 1928.7 F g–1 (964.4 C g–1) at a current density of 1 A g–1.
The optimized electrode retained 85.3% of its initial capacitance after 8000 cycles.
The assembled supercapacitor device delivered an energy density of 87.7 Wh kg–1 at a power density of 800 W kg–1.

Cite This Study

Zhao et al. (2026) studied this question.

synapsesocial.com/papers/6a8179cbf2fb91fc834ad1bb https://doi.org/10.1021/acsanm.6c02166

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