Waqas Ul Arifeen, Ali Riza, Humaira Rashid Khan, P. Rosaiah, Abdullah K. Alanazi, Iftikhar Hussain, Saood Ali, Tae Jo Ko
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引用次数: 0
摘要
世界范围内能源需求的不断增长和常规化石燃料资源的枯竭，促使人们加紧寻求可持续和高效的能源储存系统。超级电容器因其高功率密度、快速充放电能力和长寿命而受到广泛关注。本研究的重点是开发和分析用于高性能超级电容器的垂直排列Ni-In2O3纳米片。采用简单的单步水热法制备了纳米结构电极材料，并采用多种技术对其进行了系统分析。Ni-In2O3纳米薄片电极在电流密度为1 A g−1时的比电容为860 F g−1，具有优异的倍率性能和较低的内阻。在3000次充放电循环后，Ni-In2O3电极的循环稳定性为71.9%，库仑效率为99%。这些结果表明，Ni-In2O3纳米薄片可以成为下一代可持续储能系统的高效电极材料。
Facile synthesis of vertically aligned Ni-In2O3 nanoflakes for supercapacitors
The worldwide growing demand for energy and the depletion of conventional fossil fuel resources have intensified the search for sustainable and high-efficiency energy storage systems. Supercapacitors have gained significant attention because of their high-power density, fast charging and discharging capabilities, and long-life span. This study focuses on developing and analyzing vertically aligned Ni-In2O3 nanoflakes for high-performance supercapacitors. The nanostructured electrode material was fabricated via a facile single-step hydrothermal process and systematically analyzed using various techniques. The Ni-In2O3 nanoflakes electrode exhibited specific capacitance of 860 F g−1 at current density of 1 A g−1, along with excellent rate performance, and low internal resistance. The Ni-In2O3 electrode exhibited a cyclic stability of 71.9% and maintaining Coulombic efficiency of 99% after 3,000 charge–discharge cycles. These results suggest that Ni-In2O3 nanoflakes could be highly effective electrode materials for next-generation sustainable energy storage systems.
期刊介绍：
The objective of the Journal of Nanoparticle Research is to disseminate knowledge of the physical, chemical and biological phenomena and processes in structures that have at least one lengthscale ranging from molecular to approximately 100 nm (or submicron in some situations), and exhibit improved and novel properties that are a direct result of their small size.
Nanoparticle research is a key component of nanoscience, nanoengineering and nanotechnology.
The focus of the Journal is on the specific concepts, properties, phenomena, and processes related to particles, tubes, layers, macromolecules, clusters and other finite structures of the nanoscale size range. Synthesis, assembly, transport, reactivity, and stability of such structures are considered. Development of in-situ and ex-situ instrumentation for characterization of nanoparticles and their interfaces should be based on new principles for probing properties and phenomena not well understood at the nanometer scale. Modeling and simulation may include atom-based quantum mechanics; molecular dynamics; single-particle, multi-body and continuum based models; fractals; other methods suitable for modeling particle synthesis, assembling and interaction processes. Realization and application of systems, structures and devices with novel functions obtained via precursor nanoparticles is emphasized. Approaches may include gas-, liquid-, solid-, and vacuum-based processes, size reduction, chemical- and bio-self assembly. Contributions include utilization of nanoparticle systems for enhancing a phenomenon or process and particle assembling into hierarchical structures, as well as formulation and the administration of drugs. Synergistic approaches originating from different disciplines and technologies, and interaction between the research providers and users in this field, are encouraged.
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