Wet-chemical synthesized TiN-CuO nanocomposite: Advancing supercapacitor technology with high energy and power density

IF 2.9 3区物理与天体物理 Q3 NANOSCIENCE & NANOTECHNOLOGY Physica E-low-dimensional Systems & Nanostructures Pub Date : 2024-09-12 DOI:10.1016/j.physe.2024.116105

Junaid Riaz , Wang Yongyuan , Jianchun Cao , Amina Bibi , Dost Muhammad , Hassna Eman , Xiaolong Zhou

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Abstract

Modern-era energy crises have arisen as a result of industry's quick expansion. There must be a proliferation of autonomous, renewable-energy-powered, high-capacity storage systems. The high specific capacitance (C_s) is a result of the Electric Double Layered Capacitors (EDLC's) stellar cathode characteristics. The remarkable conductivity and storage capacity of transition metal nitride-based oxides (TMOs) have made them an attractive option for use as cathode materials in SC devices. The present study successfully synthesized the TiN-CuO composite for electrode material by employing the straightforward wet-chemical method. But the fact that the TiN-CuO combination is crystalline suggests it could be used as an electrode in SCs. The electrochemical performance of the TiN-CuO electrode was also highlighted by its excellent C_s of 843.5 F g⁻¹. Furthermore, the TiN-CuO‖MnO₂-KOH electrode displays a power density (P_d) of 17595 W/kg and an energy density (E_d) of 44.88 Wh kg⁻¹. In addition, the TiN-CuO‖MnO₂-KOH electrode has shown remarkable cyclic stability of 97.3 % up to 10,000 cycles, at 10 A g⁻¹. The electrochemical characteristics of fabricated TiN-CuO electrode material are superior to those of pure materials, rendering it an attractive candidate for use in energy storage devices such as SCs.

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湿化学合成 TiN-CuO 纳米复合材料：推进具有高能量和功率密度的超级电容器技术

现代能源危机是工业快速扩张的结果。自主的、以可再生能源为动力的大容量存储系统必须大量涌现。高比电容（Cs）是双电层电容器（EDLC）恒星阴极特性的结果。基于过渡金属氮化物的氧化物（TMOs）具有出色的导电性和存储容量，因此在用作电容器设备的阴极材料方面具有吸引力。本研究采用直接的湿化学方法成功合成了用于电极材料的 TiN-CuO 复合材料。TiN-CuO复合材料是结晶性的，这表明它可以用作太阳能电池的电极。TiN-CuO 电极出色的 Cs 值（843.5 F g-1）也凸显了其电化学性能。此外，TiN-CuO‖MnO2-KOH 电极的功率密度（Pd）为 17595 W/kg，能量密度（Ed）为 44.88 Wh kg-1。此外，"TiN-CuO "MnO2-KOH 电极在 10 A g-1 的条件下可循环使用 10,000 次，循环稳定性高达 97.3%。制备的 TiN-CuO 电极材料的电化学特性优于纯材料，使其成为用于 SC 等储能设备的极具吸引力的候选材料。

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来源期刊

Physica E-low-dimensional Systems & Nanostructures 物理-纳米科技

CiteScore

7.30

自引率

6.10%

发文量

356

审稿时长

65 days

期刊介绍： Physica E: Low-dimensional systems and nanostructures contains papers and invited review articles on the fundamental and applied aspects of physics in low-dimensional electron systems, in semiconductor heterostructures, oxide interfaces, quantum wells and superlattices, quantum wires and dots, novel quantum states of matter such as topological insulators, and Weyl semimetals. Both theoretical and experimental contributions are invited. Topics suitable for publication in this journal include spin related phenomena, optical and transport properties, many-body effects, integer and fractional quantum Hall effects, quantum spin Hall effect, single electron effects and devices, Majorana fermions, and other novel phenomena. Keywords: • topological insulators/superconductors, majorana fermions, Wyel semimetals; • quantum and neuromorphic computing/quantum information physics and devices based on low dimensional systems; • layered superconductivity, low dimensional systems with superconducting proximity effect; • 2D materials such as transition metal dichalcogenides; • oxide heterostructures including ZnO, SrTiO3 etc; • carbon nanostructures (graphene, carbon nanotubes, diamond NV center, etc.) • quantum wells and superlattices; • quantum Hall effect, quantum spin Hall effect, quantum anomalous Hall effect; • optical- and phonons-related phenomena; • magnetic-semiconductor structures; • charge/spin-, magnon-, skyrmion-, Cooper pair- and majorana fermion- transport and tunneling; • ultra-fast nonlinear optical phenomena; • novel devices and applications (such as high performance sensor, solar cell, etc); • novel growth and fabrication techniques for nanostructures

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