摘要超级电容器因其功率密度高、使用寿命长、充放电速率快等特点，被广泛应用于能 量储存领域。阳极氧化法制备的 TiO2 阵列经 NH3 高温退火得到 TiN 阵列，具有良好的电 导率，且因其特殊的孔道结构而具有更大比表面积，作为电极基底将具备更优异的电化 学性能。本论文以 TiN 纳米管阵列为基底，通过电化学沉积 MnO2 到 TiN 纳米管上，形 成 MnO2/TiN 复合结构，改善过渡金属氧化物循环性能和倍率性能，制备出基于 TiN 的 高性能超级电容器复合电极材料。利用 SEM、电化学测试等方法进行了样品表征，通过 分析以确定最佳制备条件。调整实验参数，得到结构规整度良好的 MnO2/TiN 纳米管阵列 复合电极，面积比电容达到 155。5 mF/cm2，MnO2 质量比电容达到 1414。8F/g。79031
毕业论文关键词：超级电容器；TiN 纳米管阵列；电化学性能；MnO2/TiN
毕 业 设 计 说 明 书 外 文 摘 要
Title Preparation and electrochemical properties of titanium nitride nanotubes and their composites
Abstract Electrochemical capacitors, were known as supercapacitors, which have superior power density, fast charge/discharge rates and long cycle lifetime and have attracted much attention for energy storage applications。 The TiN nanotube arrays were prepared by anodic oxidation Ti foil using self-organized approach。 The nitrogen doping was fabricated by annealing TiO2 NTA in ammonia atmosphere。 As a special pore material, TiN NTA can be more conductive in electronic transmission and possesses excellent electrochemical performance as electrode material。 In this paper, MnO2 was deposited on the TiN nanotubes by electrochemical deposition。 Because of the MnO2/TiN composite nanostructures, The high performance supercapacitor, which have good cycling stability and rate capability was obtained during the charging/discharging process。 Use SEM, Raman and electrochemical testing methods to characterize the samples, and determine
the best preparation conditions through the analysis。 In the best preparation condition，the
supercapacitor had good structural regularity，the area specific capacitance reached 155。5 mF / cm2, and the mass specific capacitance of MnO2 reached 1414。8F / g。
Keywords: supercapacitor;TiN nanotube arrays;electrochemical performance; MnO2/TiN
本科毕业设计说明书 第 I 页
目 次
目 次 I
1 绪论 1
1。1 引言 1
1。2 超级电容器概述 1
1。2。1 超级电容器分类 1
1。2。2 超级电容器储能机制 2
1。2。3 超级电容器优点 3
1。3 超级电容器电化学性能的优化与提升 3
1。3。1 提高电容器能量密度的途径 3
1。3。2 改进超级电容器的制备工艺 4
1。4 本课题的研究背景和实验内容 4
氮化钛纳米管及其复合材料的制备及电化学性能研究:http://www.youerw.com/huaxue/lunwen_91222.html