期刊
ADVANCED FUNCTIONAL MATERIALS
卷 29, 期 29, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201808994
关键词
bicontinuous channel; bionic design; electrochemical capacitors; glucose detection; integrated architecture
类别
资金
- National Natural Science Foundation of China [51772041, 51502269, 51001091, 111174256, 91233101]
- Program for Science & Technology Innovation Talents in Universities of Henan Province [18HASTIT009]
- Outstanding Young Talent Research Fund of Zhengzhou University [1521320023]
- Natural Science Foundation of Liaoning Province [2017054190]
- Program for Liaoning Excellent Talents in University (LNET) [LR2017004]
- program for Dalian Excellent Talents [2016RQ069]
- Dalian Science Foundation for Distinguished Young Scholars (2018)
- LiaoNing Revitalization Talents Program [XLYC1807176]
Hierarchical porous materials (HPM) have been widely used to enhance electrochemical performance in different fields of application, since their porous structures benefit electrolyte infiltration and ion diffusion. However, the realization of multidimension-controllable synthesis of HPM, including material category, material components, supporting substrates, as well as pore sizes/distributions, is still a huge challenge. Herein, a novel concept is proposed, for the first time, on the geometry structure of HPM bioinspired by natural ant nests, which features 3D interlaced and well-interconnected porous structures. Moreover, a facile and universal approach is developed to the multidimension-controllable synthesis of ant nest-structural HPM. Further investigation shows that the in situ construction of carbon-based ant nests onto porous current collectors to fabricate the integrated electrode for supercapacitors could induce nearly 70% and 45% enhancement on the specific capacitance compared to the common powder and freestanding materials, respectively. Moreover, this synthesis route can be facilely extended to obtain the ant nest-structural CuOx, which exhibits fivefold enhancement in sensitivity for glucose detection. Such biomimetic hierarchical porous architectures are of great significance in the field of electrochemical applications.
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