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Premium Hybrid Supercapacitors: An Aqueous Zn‐Ion Hybrid Supercapacitor with High Energy Density and Ultrastability up to 80 000 Cycles (Adv. Energy Mater. 47/2019)
Author(s)
Wu Shuilin,
Chen Yatu,
Jiao Tianpeng,
Zhou Jun,
Cheng Junye,
Liu Bin,
Yang Shaoran,
Zhang Kaili,
Zhang Wenjun
Publication year2019
Publication title
advanced energy materials
Resource typeJournals
PublisherWiley-Blackwell
In article number 1902915, Kaili Zhang, Wenjun Zhang and co‐workers investigate the impacts of anions and concentrations of a variety of Zn‐containing aqueous solutions on Zn stripping/plating efficiency. It is demonstrated that dendrite growth and byproduct formation can be suppressed during Zn plating, and the competitive hydrogen evolution reaction is restrained by using a 3 m Zn(CF 3 SO 3 ) 2 electrolyte. As a result, a high Zn stripping/plating efficiency is achieved. Furthermore, based on this electrolyte, a novel hybrid supercapacitor comprising Zn foil and porous carbon derived from chemically activated graphene is developed which delivers high energy density and an ultra‐long lifespan.
Subject(s)aqueous solution , chemical engineering , chemistry , composite material , electrochemistry , electrode , electrolyte , engineering , foil method , geology , geophysics , inorganic chemistry , materials science , organic chemistry , plating (geology) , stripping (fiber) , supercapacitor
Language(s)English
SCImago Journal Rank10.08
H-Index220
eISSN1614-6840
pISSN1614-6832
DOI10.1002/aenm.201970184

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