多孔锌钴氧化物（ZnCoO）薄膜通过连续离子层吸附和反应制备用于固态对称超级电容器器件。
Porous zinc cobaltite (ZnCoO) film by successive ionic layer adsorption and reaction towards solid-state symmetric supercapacitive device.
机构信息
Nano Materials and Device Laboratory, Department of Applied Physics, Visvesvaraya National Institute of Technology, South Ambazari Road, Nagpur 440010, M.S., India.
Nano Materials and Device Laboratory, Department of Applied Physics, Visvesvaraya National Institute of Technology, South Ambazari Road, Nagpur 440010, M.S., India.
出版信息
J Colloid Interface Sci. 2017 Feb 1;487:201-208. doi: 10.1016/j.jcis.2016.10.025. Epub 2016 Oct 14.
One-step, simple and inexpensive successive ionic layer adsorption and reaction (SILAR) method has been used to synthesize porous network of zinc cobaltite (ZnCoO) in 2D form on stainless steel (SS) substrate. Porous structure of ZnCoO electrode enables electrochemical specific capacitance of 675Fg at 5mVs sweep rate with high rate capability and cycling performance of 69% over 2000 cycles. Furthermore, fabricated ZnCoO solid-state supercapacitor cell in symmetric mode using PVA-KOH gel electrolyte exhibited a specific capacitance of 69.65Fg with specific energy of 9.67Whkg and specific power of 1.45kWkg at a current density of 1.07Ag. The results clearly demonstrate the facile method for the synthesis of porous network of ZnCoO and make them promising electrode material for energy storage application.
一步法、简单且廉价的连续离子层吸附和反应（SILAR）方法已被用于在不锈钢（SS）基底上合成具有 2D 形态的多孔钴酸锌（ZnCoO）网络。ZnCoO 电极的多孔结构使其在 5mVs 的扫速下具有 675Fg 的电化学比电容，并且在 2000 次循环中具有 69%的高倍率性能和循环稳定性。此外，使用 PVA-KOH 凝胶电解质构建的 ZnCoO 固态超级电容器电池在 1.07Ag 的电流密度下具有 69.65Fg 的比电容、9.67Whkg 的比能量和 1.45kWkg 的比功率。这些结果清楚地表明了合成多孔 ZnCoO 网络的简便方法，并使其成为有前途的储能应用电极材料。
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