碳基超级电容器综述

Adv. Mater. 2016, 28, 8431–8438 Large-Area Supercapacitor Textiles with Novel Hierarchical Conducting Structures
Paper-like Supercapacitors
Figure 4. The electrochemical performance of the supercapacitor textiles with increasing sizes Adv. Mater. 2016, 28, 8431–8438 Large-Area Supercapacitor Textiles with Novel Hierarchical Conducting Structures
Interdigited structure Supercapacitors
Figure 2. The electrochemical performance of mSCs.
Adv. Mater. 2014, 26, 5108–5112 Selective Wetting-Induced Micro-Electrode Patterning for Flexible Micro-Supercapacitors
Interdigited structure Supercapacitors
Figure 1. Schematic illustration for the fabrication of mSCs and images of mSCs. Adv. Mater. 2014, 26, 5108–5112 Selective Wetting-Induced Micro-Electrode Patterning for Flexible Micro-Supercapacitors
混 合
学
型
电
电
容 器
过渡族金属氧化物：
容
RuOx/Co3O4
器
赝电容
MnOx/NiOx/FeOx 导电聚合物：
PPy/PEDOT/PANI
Capacitors & Supercapacitors & Batteries
高能量密度
高响应速率
快速充/放电能力
较短的载流子迁移路径
循环寿命长
rGO&MnO2&PPy
ACS Nano, 2015, 9 (5), pp 4766–4775
rGO&MnO2&PPy
ACS Nano, 2015, 9 (5), pp 4766–4775
Thank you !
2017.05.10
rGO&MnO2&PPy
ACS Nano, 2015, 9 (5), pp 4766–4775
From Industrially Weavable and Knittable Highly Conductive Yarns to Large Wearable Energy Storage Textiles
Figure 3. Supercapacitor textiles based on the different electrode materials but with the same area of 16 cm 2 at a current of 8 mA (0.5 mA cm −2 ).
SEM images of a PANI/polyester textile electrode without RGO at low and high magnifications, respectively
Adv. Mater. 2014, 26, 8126–8132 Electrochromic Fiber-Shaped Supercapacitors
Paper-like Supercapacitors
Figure 1. Schematic illustration to the experimental procedures and structures of the large-area supercapacitor textile
碳基电子学 课程汇报
A review of CNT and graphene in energy harvesting and storage applications——supercapacitors
汇报人：lcm
超级电容器概述
ห้องสมุดไป่ตู้碳材料：
活性炭
双电层电容
炭气凝胶
电 化
SWCNTs/MWCNTs 石墨烯
Figure 2. SEM images
Adv. Mater. 2016, 28, 8431–8438 Large-Area Supercapacitor Textiles with Novel Hierarchical Conducting Structures
Paper-like Supercapacitors
>10000 cycles
Science 335, 1326 (2012)
Sci China Mater 2016,59(6):475-494
CNTs & graphene in Supercapacitors
Fiber-like flexible Supercapactiors
Specific capacitance:255.5F/g(0.1890mF/cm) Energy density:12.75W h/kg Power density: 1494W/kg
发展趋势——复合电容
• 碳材料与导电聚合物复合
• 通过聚合物链的共轭π键的氧化还原反应储存和释放电荷。循环充放电过程 中由于离子的嵌入和脱出导致聚合物体积不断变化，由于膨胀、收缩导致 电极退化，采用CNT或石墨烯做弹性体或表面增强，可延长电极寿命。
• 碳材料与金属氧化物复合
• 金属氧化物具有较高的理论电容，是双电层电容的1000多倍，但金属氧化 物一般导电性较差，限制了其应用，与碳材料复合，一方面可增强导电性 ，一方面可以增加比表面积，同时合适的组合还能拓展电压窗口。
Adv. Mater. 2014, 26, 8126–8132
Fiber-like flexible Supercapactiors
Figure 3. Electrochemical characterization of the electrochromic fiber-shaped supercapacitor.