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.

在这项学术研究中，使用一种简单而新颖的水热技术对CoNi ₂ S ₄ @Ni（OH）₂纳米片阵列（NSA）上的高效新颖材料进行了实验。基于形态和其他物理研究，对已开发的复合材料进行了分析，结果表明Ni（OH）₂纳米颗粒已被有效地锚固在二元CoNi ₂ S ₄纳米片阵列（NFA）表面。CoNi ₂ S ₄ -Ni（OH）₂的复合物与CoNi ₂ S ₄ NFA相比，NSAs纳米结构具有卓越的表面积和大量的活性位点，可促进电化学反应以及电子和离子之间的出色传输。同时，考虑到电化学研究，复合CoNi ₂ S ₄ -Ni（OH）₂ NSA表现出了非同寻常的法拉第氧化还原进展，这与基于金属氧化物的电极分布不同。由于使用了最好的拟电容材料Ni（OH）₂具有更好的导电性，并结合了CoNi ₂ S ₄的离子/电子通道的快速传输纳米片阵列，CoNi ₂ S ₄ @Ni（OH）₂ NSAs的独特构造获得了在1 A g ^-1的电流密度下具有约251.3 mA hg ^-1的增强的伪电容能力，这几乎是其两倍的优势比原始CoNi ₂ S ₄纳米片阵列（NFAs）样品（134.2 mA hg ^-1）高。有趣的是，复合CoNi ₂ S ₄ @Ni（OH）₂ NSAs电极提供了最好的循环稳定性，经过5000个长循环后，其保留了97.91％的循环稳定性。因此，CoNi ₂ S ₄ @Ni（OH）的新型复合物₂ NSA电极可以作为高性能超级电容器（SCs）应用的有利储能源。