Mg doping of NiMn-LDH with a three-dimensional porous morphology for an efficient supercapacitor

Zhang, Biao; Yang, Ying; Cai, Jinliang; Hou, Xiaolong; Yi, Caini; Liao, Xiangyun; Yu-ping, Liu; Chen, Changguo; Yu, Danmei; Zhou, Xiaoyuan

doi:10.1039/d3dt01154b

Cited by 13 publications

(1 citation statement)

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“…24,25 To enhance the redox activity, the laminates can be adjusted, together with utilizing dissimilar metal elements, anion doping, and defect amendment. 26–28 These strategies can enable bandgap energy modification, improve the electron aggregation capability, promote various oxidation states, and further achieve higher conductivity. Among all these strategies, interlayer spacing tuning is a particularly promising method to enhance the electrochemical performance through harmonized interlayer activity alteration.…”

Section: Introductionmentioning

confidence: 99%

Exchanging interlayer anions in NiFe-LDHs nanosphere enables superior battery-type storage for high-rate aqueous hybrid supercapacitors

Nishad,

Kotha,

Sarawade

et al. 2024

J. Mater. Chem. A

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Section: Introductionmentioning

confidence: 99%

Exchanging interlayer anions in NiFe-LDHs nanosphere enables superior battery-type storage for high-rate aqueous hybrid supercapacitors

Nishad,

Kotha,

Sarawade

et al. 2024

J. Mater. Chem. A

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V‐Doping Strategy Induces the Construction of the CoFe‐LDHs/NF Electrodes with Higher Conductivity to Achieve Higher Energy Density for Advanced Energy Storage Devices

Qiang,

Jia,

2024

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Doping of metal ions shows promising potential in optimizing and modulating the electrical conductivity of layered double hydroxides (LDHs). However, there is still much room for improvement in common metal ions and conventional doping methods. In contrast to previous methodologies, a hollow triangular nanoflower structure of CoFeV‐LDHs is devised, which is enriched with a greater number of oxygen vacancies. This resulted in a significant enhancement in the conductivity of the LDHs, leading to an increase in energy density following the appropriate doping of V. To investigate the impact of V‐doping on the energy density of the LDHs, in situ XPS and in situ X‐ray spectroscopy is employed. Regarding electrochemical performance, the CoFeV‐LDHs/NF electrode with optimal doping ratio exhibited a specific capacitance of 881 F g−1 at a current density of 1 A g−1. The capacitance remained at 90.53% after 3000 cycles. In addition, the constructed battery‐type supercapacitor CoFeV‐LDHs/NF‐2//AC exhibited an impressive energy density of 124.7 Wh kg−1 at a power density of 850 W kg−1 and capacitance remained almost unchanged at 95.2% after 3000 cycles. All the above demonstrates the great potential of V‐doped LDHs and brings a new way for the subsequent research of LDHs.

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FeMn-LDH/Ni(OH)2 with unique flower-like heterostructure as electrode material for supercapacitor

Zhang,

Shi,

et al. 2024

J Mater Sci

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Mg doping of NiMn-LDH with a three-dimensional porous morphology for an efficient supercapacitor

Abstract: As a promising supercapacitor electrode material, NiMn-LDH has attracted much attention due to high theoretical capacity and easy preparation. However, the development and application of NiMn-LDH in the supercapacitor are...

Cited by 13 publications

References 50 publications

Exchanging interlayer anions in NiFe-LDHs nanosphere enables superior battery-type storage for high-rate aqueous hybrid supercapacitors

Exchanging interlayer anions in NiFe-LDHs nanosphere enables superior battery-type storage for high-rate aqueous hybrid supercapacitors

V‐Doping Strategy Induces the Construction of the CoFe‐LDHs/NF Electrodes with Higher Conductivity to Achieve Higher Energy Density for Advanced Energy Storage Devices

FeMn-LDH/Ni(OH)2 with unique flower-like heterostructure as electrode material for supercapacitor

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