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Ag-Cu nanoalloyed film as a high-performance cathode electrocatalytic material for zinc-air battery

Overview of attention for article published in Discover Nano, April 2015
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Title
Ag-Cu nanoalloyed film as a high-performance cathode electrocatalytic material for zinc-air battery
Published in
Discover Nano, April 2015
DOI 10.1186/s11671-015-0900-9
Pubmed ID
Authors

Yimin Lei, Fuyi Chen, Yachao Jin, Zongwen Liu

Abstract

A novel Ag50Cu50 film electrocatalyst for oxygen reduction reaction (ORR) was prepared by pulsed laser deposition (PLD) method. The electrocatalyst actually is Ag-Cu alloyed nanoparticles embedded in amorphous Cu film, based on transmission electron microscopy (TEM) characterization. The rotating disk electrode (RDE) measurements provide evidence that the ORR proceed via a four-electron pathway on the electrocatalysts in alkaline solution. And it is much more efficient than pure Ag catalyst. The catalytic layer has maximum power density of 67 mW cm(-2) and an acceptable cell voltage at 0.863 V when current densities increased up to 100 mA cm(-2) in the Ag50Cu50-based primary zinc-air battery. The resulting rechargeable zinc-air battery exhibits low charge-discharge voltage polarization of 1.1 V at 20 mAcm(-2) and high durability over 100 cycles in natural air.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 33 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 2 6%
Russia 1 3%
Unknown 30 91%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 7 21%
Student > Master 5 15%
Researcher 5 15%
Professor 3 9%
Professor > Associate Professor 3 9%
Other 3 9%
Unknown 7 21%
Readers by discipline Count As %
Chemistry 11 33%
Materials Science 6 18%
Physics and Astronomy 3 9%
Engineering 2 6%
Energy 1 3%
Other 0 0%
Unknown 10 30%