A hyperaccumulation pathway to three-dimensional hierarchical porous nanocomposites for highly robust high-power electrodes

Jian Zhu, Yu Shan, Tao Wang, Hongtao Sun, Zipeng Zhao, Lin Mei, Zheng Fan, Zhi Xu, Imran Shakir, Yu Huang, Bingan Lu, Xiangfeng Duan

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Natural plants consist of a hierarchical architecture featuring an intricate network of highly interconnected struts and channels that not only ensure extraordinary structural stability, but also allow efficient transport of nutrients and electrolytes throughout the entire plants. Here we show that a hyperaccumulation effect can allow efficient enrichment of selected metal ions (for example, Sn2+, Mn2+) in the halophytic plants, which can then be converted into three-dimensional carbon/metal oxide (3DC/MOx) nanocomposites with both the composition and structure hierarchy. The nanocomposites retain the 3D hierarchical porous network structure, with ultrafine MOX nanoparticles uniformly distributed in multi-layers of carbon derived from the cell wall, cytomembrane and tonoplast. It can simultaneously ensure efficient electron and ion transport and help withstand the mechanical stress during the repeated electrochemical cycles, enabling the active material to combine high specific capacities typical of batteries and the cycling stability of supercapacitors.

Original languageEnglish (US)
Article number13432
JournalNature communications
Volume7
DOIs
StatePublished - Nov 17 2016

Fingerprint

Nanocomposites
nanocomposites
Electrodes
Salt-Tolerant Plants
Carbon
Metals
struts
Mechanical Stress
cycles
electrodes
carbon
Struts
Ion Transport
electrochemical capacitors
nutrients
structural stability
Electron Transport
Nanoparticles
Cell Wall
Oxides

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Zhu, Jian ; Shan, Yu ; Wang, Tao ; Sun, Hongtao ; Zhao, Zipeng ; Mei, Lin ; Fan, Zheng ; Xu, Zhi ; Shakir, Imran ; Huang, Yu ; Lu, Bingan ; Duan, Xiangfeng. / A hyperaccumulation pathway to three-dimensional hierarchical porous nanocomposites for highly robust high-power electrodes. In: Nature communications. 2016 ; Vol. 7.
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A hyperaccumulation pathway to three-dimensional hierarchical porous nanocomposites for highly robust high-power electrodes. / Zhu, Jian; Shan, Yu; Wang, Tao; Sun, Hongtao; Zhao, Zipeng; Mei, Lin; Fan, Zheng; Xu, Zhi; Shakir, Imran; Huang, Yu; Lu, Bingan; Duan, Xiangfeng.

In: Nature communications, Vol. 7, 13432, 17.11.2016.

Research output: Contribution to journalArticle

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AU - Shan, Yu

AU - Wang, Tao

AU - Sun, Hongtao

AU - Zhao, Zipeng

AU - Mei, Lin

AU - Fan, Zheng

AU - Xu, Zhi

AU - Shakir, Imran

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AU - Duan, Xiangfeng

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