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Crafting nanoflower-built MnCo2S4 anchored to Ni foam as a prominent energy conversion and energy storage electrode for high-performance supercapacitor applications
Journal of Energy Storage ( IF 9.4 ) Pub Date : 2021-09-04 , DOI: 10.1016/j.est.2021.103155
Bogale Abebe Mola 1 , G. Mani 2 , Sangaraju Sambasivam 3 , Mohan Reddy Pallavolu 4 , Ayman A. Ghfar 5 , Mohamed Ouladsmane 5 , Mohammed Alsawat 6 , N. Ramesh Reddy 4 , Yoojeong Noh 1 , Sileyew Kassu Jilcha 1, 7 , Hee-Je Kim 8 , Ihab M. Obaidat 3 , Yedluri Anil Kumar 8
Affiliation  

Ternary compound for engineering nanoarchitecture of MnCo2S4 has been hierarchically well maintained and attractive surface area was regarded as a potentially efficient technique to grow novel electroactive materials. In this regard, crafting Nano flower-built MnCo2S4 nanoarchitecture with Ni foam network favors short path roots and interconnected for excellent charging transfer and ion transmission, which allows the energetic Faradaic redox procedures by the improves active surface. According to the structural and compositional features, the as-developed MnCo2S4 nanoflower nanoarchitecture exhibits superior electrochemical capacity activities. Impressively, the MnCo2S4 nanoflowers achieve an excellent specific capacitance of 779 F g−1 at a current density of 1 A g−1, which causes unique features of structural construction. When tested long-term cycling stability performance, the as-constructed MnCo2S4 nanoflowers achieves excellent capacitance retention 96.5% over 3000 cycling stability performance at a current density of 2 A g−1 with superior conductivity. Considered the above points, the simplistic approach yet unique construction of this MnCo2S4 holds substantial potential energy conversion and high-performance energy storage.



中文翻译:

制作固定在泡沫镍上的纳米花构建的 MnCo2S4 作为高性能超级电容器应用的重要能量转换和储能电极

用于 MnCo 2 S 4 的工程纳米结构的三元化合物在层次上得到了很好的维护,有吸引力的表面积被认为是一种潜在有效的生长新型电活性材料的技术。在这方面,使用泡沫镍网络制作纳米花构建的 MnCo 2 S 4纳米结构有利于短路径根并相互连接以实现出色的电荷转移和离子传输,从而通过改进的活性表面实现高能法拉第氧化还原过程。根据结构和组成特征,所开发的 MnCo 2 S 4纳米花纳米结构表现出优异的电化学容量活性。令人印象深刻的是,MnCo 2S 4纳米花在1 A g -1的电流密度下实现了779 F g -1的优异比电容,这导致了结构构造的独特特征。在测试长期循环稳定性性能时,所构建的 MnCo 2 S 4纳米花在2 A g -1的电流密度下实现了优异的电容保持率,超过 3000 次循环稳定性性能达 96.5%,并具有优异的导电性。考虑到上述几点,这种 MnCo 2 S 4的简单方法但独特的结构具有大量的势能转换和高性能能量存储。

更新日期:2021-09-04
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