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Issue 30, 2017
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Carbon coated stainless steel mesh as a low-cost and corrosion-resistant current collector for aqueous rechargeable batteries

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Abstract

Low-cost and chemically stable stainless steel mesh is used widely as a current collector in aqueous batteries, but is not electrochemically stable due to the oxygen evolution corrosion reaction. Here we report C-coated stainless steel (CSS) mesh as a corrosion-resistant current collector using a multi-functional binder, NaPAA, in aqueous lithium-ion battery cathodes. The results show that the corrosion potential of the CSS mesh is shifted positively to a large extent, indicating the suppression of oxygen evolution at high potentials. Thereby, C-coated stainless steel mesh based electrodes show better rate capability and cycling stability than those fabricated on traditional stainless steel mesh, graphite-emulsion coated stainless steel mesh and even titanium mesh based current collectors, especially at ultrahigh current densities. The plausibility of using such low-cost and green corrosion-resistant current collectors for aqueous batteries marks an important step toward industrial applications for low-cost, safe and large-scale energy storage.

Graphical abstract: Carbon coated stainless steel mesh as a low-cost and corrosion-resistant current collector for aqueous rechargeable batteries

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Article information


Submitted
23 Apr 2017
Accepted
12 Jul 2017
First published
12 Jul 2017

J. Mater. Chem. A, 2017,5, 15752-15758
Article type
Paper

Carbon coated stainless steel mesh as a low-cost and corrosion-resistant current collector for aqueous rechargeable batteries

Y. H. Wen, L. Shao, P. C. Zhao, B. Y. Wang, G. P. Cao and Y. S. Yang, J. Mater. Chem. A, 2017, 5, 15752
DOI: 10.1039/C7TA03500D

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