赝电容

在此加热温度下氢氧化镍刚转变为非化学计量的氧化镍，而氧化镍的非化学计量性质（缺陷性质）有利于提高材料的赝电容。

The non-stoichiometric nature ( or defective nature ) of the nickel oxide is beneficial to its pseudocapacitance .

由于电解液中水合离子的直径为6-7.6，所以8-50的孔径范围对法拉第赝电容和双电层电容来说都是必须的。

Since the size range of the hydrated ions in the electrolyte is typically 6-7.6 , and the pore size at the range of 8-50 ? is the effective one required to increase either the pseudocapacitance or electric double-layer capacitance .

聚二氧乙基噻吩（PEDOT）不仅能产生较大的赝电容，而且具有高电导率、良好的光热稳定性等优良特性。

Poly ( 3,4-ethylenedioxythiophene ( PEDOT ) shows large pseudo-capacitance , high conductivity , good thermal stability and other excellent features .

研究了热处理温度、热处理气氛、电解质溶液、钴掺杂对NiO膜电极赝电容性能的影响，探讨了NiO电极的电容形成机理。

The effect of annealing temperature of Ni ( OH ) 2 , electrolyte solution and doped cobalt on the properties of pseudocapacitance of nickel oxide electrode material is studied . The mechanism of forming capacitance is also discussed .

聚苯胺（PANI）具有良好的化学稳定性、导电性、高赝电容储能特性和独特的质子掺杂机制，且廉价、易制备，近年来已成为超级电容器电极材料的研究热点。

Due to excellent chemical stability , good electrical conductivity , high pseudo-capacitance energy storage characteristic and unique proton doping mechanism , as well as the cheap and easy preparation , polyaniline ( PANI ) has been become a research focus on the supercapacitor electrode materials in recent years .

导电聚苯胺（PANI）原料易得、合成简便、成本低廉，具有良好的化学稳定性、导电性和赝电容储能特性，被认为是一种极具发展潜力的超级电容器电极材料。

Conductive polyaniline ( PANI ) has been regarded as one of the most potential supercapacitor electrode materials , due to its desirable chemical stability , good conductivity and high faradic pseudo capacitance , as well as the advantages of low cost , facile synthesis and good environmental stability .

金属氧化物电极材料赝电容特性研究

Study on pseudocapacitance characteristics of metal oxide electrode materials in electrochemical capacitors

本文选用碳气凝胶和氧化镍的复合材料作电极材料，研究了材料制备，结构和性能，以及影响电容器性能的因素、赝电容形成机理。

The study concentrates the preparation 、 characteristics of electrode material and its influence effects upon the properties of capacitor .

结果表明：三种复合材料的电容均由双电层电容和赝电容两部分组成。

It is inferred that , regardless of the synthesis method , composites ' capacitances consisted of double layer capacitance and redox capacitance .

超大容量电赝电容器是一种性能介于电池和传统静电电容器之间的新概念高功率储能器件，具有功率密度大、充放电效率高、循环寿命长等特点。

The supercapacitor is a new type of electrochemical energy storage devices between rechargeable batteries and traditional electrostatic capacitors , and it has high power density , high charge / discharge efficiency and long cycle life .

氮掺杂多孔炭由于其碳骨架上的含氮官能团可以提供赝电容并增强材料的表面润湿性，因而其作为超级电容器电极材料受到研究人员广泛的关注。

Nitrogen-doped porous carbons ( NPCs ) have broad application prospects as electrode materials for supercapacitor because the nitrogen functional groups on carbon skeleton can not only provide pseudocapacitance effect but also improve the surface wettability of electrode materials .

究其原因，是由于该法生成的大量的空心结构为氧化镍的氧化还原反应提供了更多的反应活性点，同时碳包覆层表面被氧化形成的官能团也对赝电容做出了贡献。

The reasons should be attributed to the hollow structure which provide more active sites for the redox reaction of nickel oxide . At the same time , the functional groups formed at the surface of carbon shell improved the pseudocapacitance .

同时采用循环伏安和恒流充放电测量合成的样品的电化学性能，测量结果表明，复合氧化物电极表现出良好的赝电容性能，具有相对较高的比电容和良好的长期循环稳定性。

In addition , the cyclic voltammetry and galvanostatic charge-discharge were used to evaluate the electrochemical properties of the as-prepared products . The results indicated that the composite oxide electrodes exhibit fine pseudo-capacitive performance with relatively high specific capacitance and good long-term cycling stability .

超级电容器可以按照储能机理分为双电层电容器和法拉第赝电容器，主要电极材料有碳材料、金属及其氧化物、导电聚合物以及各自的复合材料。

Supercapacitors can be divided into two types , i.e. the electric double layer capacitors and the Faraday pseudocapacitors according to storage mechanism . The electrode materials used for these supercapacitors usually are carbon materials , metals and their oxides , conductive polymers , and the respective composite materials .