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首页> 外文期刊>Journal of Energy Storage >Facile synthesis of novel and highly efficient CoNi_2S_4-Ni(OH)_2 nanosheet arrays as pseudocapacitive-type electrode material for high-performance electrochemical supercapacitors
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Facile synthesis of novel and highly efficient CoNi_2S_4-Ni(OH)_2 nanosheet arrays as pseudocapacitive-type electrode material for high-performance electrochemical supercapacitors

机译：适用于新型和高效的Coni_2S_4-Ni（OH）纳米片阵列作为高性能电化学超级电容器的假偶像型电极材料

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摘要

In this academic research, highly efficient and novel material of CoNi2S4@Ni(OH)(2) nanosheet arrays (NSAs) carried on Ni foam was experimented using a simplistic and novel hydrothermal technique. Based on the morphology's and other physical investigations of the as-developed composite was analyzed, which results suggest that the Ni(OH)(2) nanoparticles have been effectively anchored into the binary CoNi2S4 nanoflake array (NFAs) surface. The composite of CoNi2S4-Ni(OH)(2) NSAs nanoarchitecture contributes superior surface area with huge number of active sites to boost electrochemical reactions and excellent conveyance between electrons and ions, as we compared to CoNi2S4 NFAs. Meanwhile, taking consider to electrochemical studies, the composite CoNi2S4-Ni(OH)(2) NSAs exhibited extraordinary Faradaic redox progress, which was different from the metal -oxide based electrodes profiles. Due to the fact of better electrical conductivity with finest pseudocapacitance material of Ni(OH)(2) in combination with the quick transportation of ion/electron pathways of CoNi2S4 nanoflake arrays, the procured unique construction of CoNi2S4@Ni(OH)(2) NSAs exhibits an boosted up pseudocapacitive capabilities of about 251.3 mA h g(-1) at a current density of 1 A g(-1), which was almost two-fold superior than that of the pristine CoNi2S4 nanoflake arrays (NFAs) sample (134.2 mA h g(-1)). Interestingly, the composite CoNi2S4@Ni(OH)(2) NSAs electrode delivered finest cycling stability which was 97.91% preserved after 5000 long-cycles. For that reasons, the novel composite of CoNi2S4@Ni(OH)(2) NSAs electrode can be favorable energy storage sources for high capability supercapacitors (SCs) applications.
机译：在本学术研究中，使用一种简单的和新的水热技术进行Ni泡沫的高效和新颖的Coni2S4 @ Ni（OH）（2）纳米片阵列（NSAS）。基于形态学的形态和其他物理调查分析，结果表明Ni（OH）（2）纳米颗粒已有效地锚定到二元癌纳米铝饼阵列（NFAS）表面中。 Coni2S4-Ni（OH）（2）NSAS纳米建筑的复合材料具有大量活性位点的优异表面积，以提高电化学反应和电子和离子之间的优异传送，与Coni2S4 NFA相比。同时，考虑电化学研究，复合征收综合征（OH）（2）NSA表现出非凡的野生氧化还原进程，其与金属 - 氧化物基电极型材不同。由于Ni（OH）（2）的最佳假偶像材料更好的导电性，与Coni2S4纳米玻璃阵列的离子/电子通路的快速运输结合，所采购的独特施工@ Ni（OH）（2） NSA在电流密度为1Ag（-1）的促进伪胶质容量，约251.3mA Hg（-1），其几乎比原始Coni2S4纳米蛋白样品（NFAS）样品的优于高于两倍（134.2） ma hg（-1）））。有趣的是，复合Coni2S4 @ Ni（OH）（2）NSAS电极在5000次长循环后97.91％提供最好的循环稳定性。出于原因，Coni2S4 @ Ni（OH）（2）NSAS电极的新型复合材料可以是高能力超级电容器（SCS）应用的有利能量存储源。

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