超级电容器
材料科学
电解质
离子电导率
电容
纳米复合材料
电导率
热稳定性
分离器(采油)
离子液体
化学工程
准固态
纳米技术
复合材料
电极
化学
有机化学
物理化学
热力学
工程类
物理
催化作用
色素敏化染料
作者
Xinhua Liu,Oluwadamilola O. Taiwo,Chengyao Yin,Mengzheng Ouyang,Ridwanur Chowdhury,Baofeng Wang,Huizhi Wang,Billy Wu,Nigel P. Brandon,Qigang Wang,Samuel J. Cooper
标识
DOI:10.1002/advs.201801337
摘要
Ionogels are a new class of promising materials for use in all-solid-state energy storage devices in which they can function as an integrated separator and electrolyte. However, their performance is limited by the presence of a crosslinking polymer, which is needed to improve the mechanical properties, but compromises their ionic conductivity. Here, directional freezing is used followed by a solvent replacement method to prepare aligned nanocomposite ionogels which exhibit enhanced ionic conductivity, good mechanical strength, and thermal stability simultaneously. The aligned ionogel based supercapacitor achieves a 29% higher specific capacitance (176 F g
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