Nd-Ions Role in Structural Engineering and Capacitive Contributions of NiO Nanosheets Clusters as Excellent Pseudocapacitor Electrode Material

IF 4.9 3区化学 Q2 POLYMER SCIENCE

Journal of Inorganic and Organometallic Polymers and Materials Pub Date : 2024-09-20 DOI:10.1007/s10904-024-03391-y

Ghulam Nabi, Hammad Ahmed, Wajid Ali, Mudassar Maraj, Mohammad Altaf, Khuram Shahzad Ahmad

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Abstract

Neodymium (Nd) ions doping in NiO has a major impact on morphology tuning and electrochemical properties enhancement. Herein Un-doped and Nd-ions doped nickel oxide Nd_xNi_1-xO (x = 0, 0.01, 0.03, 0.05) nanostructures have been synthesized by facile hydrothermal route. The SEM analysis exhibited that dopant plays crucial role in morphology optimization. The (XRD analysis exposed the cubic structures with average crystallite size of 28 nm. The CV measurements showed an improvement in the specific capacitance values with maximum value 1492.3 F/g at 5 mV/s for 3% Nd-doped electrode with 93.4% retention after 8000 cycles. The excellent performance is attributed to easy charge mobility and conductivity linked with nanosheets clusters. The power law (b = 0.65) and Dunn method (capacitive contribution 49.5%) exhibiting their pseudocapacitors capacitive nature. Current findings confirm the potential of Nd_0.03Ni_0.97O as an electrochemical material and open a new avenue for application in supercapacitor.

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nd离子在NiO纳米片簇结构工程中的作用及作为优良赝电容器电极材料的电容性贡献

钕离子在NiO中掺杂对NiO的形貌调整和电化学性能增强有重要影响。本文采用水热法合成了未掺杂和掺nd离子的氧化镍NdxNi1-xO （x = 0,0.01, 0.03, 0.05）纳米结构。SEM分析表明，掺杂剂对形貌优化起着至关重要的作用。通过XRD分析，得到了平均晶粒尺寸为28 nm的立方结构。CV测量结果表明，在5 mV/s下，掺3% nd的电极的比电容值有所提高，在8000次循环后保持率为93.4%，比电容值达到1492.3 F/g。优异的性能归因于易于电荷迁移和与纳米片簇相连的导电性。幂律法（b = 0.65）和Dunn法（电容贡献49.5%）表现出假电容的电容性质。研究结果证实了Nd0.03Ni0.97O作为一种电化学材料的潜力，并为其在超级电容器中的应用开辟了新的途径。

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来源期刊

Journal of Inorganic and Organometallic Polymers and Materials 化学-高分子科学

CiteScore

8.30

自引率

7.50%

发文量

335

审稿时长

1.8 months

期刊介绍： Journal of Inorganic and Organometallic Polymers and Materials [JIOP or JIOPM] is a comprehensive resource for reports on the latest theoretical and experimental research. This bimonthly journal encompasses a broad range of synthetic and natural substances which contain main group, transition, and inner transition elements. The publication includes fully peer-reviewed original papers and shorter communications, as well as topical review papers that address the synthesis, characterization, evaluation, and phenomena of inorganic and organometallic polymers, materials, and supramolecular systems.