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首页> 外文期刊>Journal of power sources >Cyclic voltammetric deposition of hydrous ruthenium oxide for electrochemical supercapacitors: effects of the chloride precursor transformation
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Cyclic voltammetric deposition of hydrous ruthenium oxide for electrochemical supercapacitors: effects of the chloride precursor transformation

机译：电化学超级电容器用含水氧化钌的循环伏安沉积：氯化物前体转化的影响

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摘要

Ruthenium chloride and iridium chloride precursors (denoted hereafter as RuCl_3·aH_2O and IrCl_3·bH_2O) reacted with water molecules and transformed into the chloro-oxy-hydroxyl-metal (denoted as Ru(OH)δCl_(3―δ)·cH_2O and Ir(OH)_ωCl_(3―ω)·dH_2O) structures when they were dissolved in water. The storage time, preheating, and initial pH of the deposition baths were demonstrated to significantly influence the structures of these dissolved precursors. The rate of hydrous oxide deposition by means of cyclic voltammetry was predominantly determined by the structures of the dissolved precursors and the initial pH of the deposition bath, which also caused a variation in the performance (i.e. specific capacitance) of the hydrous oxides (i.e. RuO_x·nH_2O and (Ru + Ir)O_y·mH_2O) for the application of electrochemical supercapacitors.
机译：氯化钌和氯化铱前体（以下称为RuCl_3·aH_2O和IrCl_3·bH_2O）与水分子反应并转化为氯氧羟基金属（表示为Ru（OH）δCl_（3-δ）·cH_2O和Ir （OH）_ωCl_（3-ω）·dH_2O）溶于水时的结构。已证明沉积浴的储存时间，预热和初始pH值会显着影响这些溶解的前体的结构。借助于循环伏安法测定含水氧化物的速率主要取决于溶解的前体的结构和沉积浴的初始pH，这也导致了含水氧化物的性能（即比电容）的变化（即RuO_x ·nH_2O和（Ru + Ir）O_y·mH_2O）用于电化学超级电容器。

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