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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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Publication details

The article was received on 23 Apr 2017, accepted on 12 Jul 2017 and first published on 12 Jul 2017


Article type: Paper
DOI: 10.1039/C7TA03500D
Citation: J. Mater. Chem. A, 2017,5, 15752-15758
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    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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