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Adv Mater. 2016 Sep;28(35):7626-32. doi: 10.1002/adma.201602583. Epub 2016 Jul 4.

Achieving High Aqueous Energy Storage via Hydrogen-Generation Passivation.

Author information

1
Laboratory of Advanced Materials, Department of Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai, 200433, China.
2
Department of Physics, Fudan University, Shanghai, 200433, China.
3
Department of Physics, Fudan University, Shanghai, 200433, China. xggong@fudan.edu.cn.
4
Laboratory of Advanced Materials, Department of Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai, 200433, China. gfzheng@fudan.edu.cn.

Abstract

A new design strategy for polyimides/carbon nanotube networks is reported, aiming to passivate the hydrogen-evolution mechanism on the molecular structures of electrodes, thus substantially boosting their aqueous energy-storage capabilities. The intrinsic sluggish hydrogen-evolution activity of polyimides is further passivated via Li(+) association during battery charging, leading to a much wider voltage window and exceptional energy-storage capability.

KEYWORDS:

aqueous batteries; passivated HER activity; polyimides; power density; voltage window

PMID:
27375288
DOI:
10.1002/adma.201602583

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