期刊
ADVANCED FUNCTIONAL MATERIALS
卷 26, 期 5, 页码 698-703出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201503902
关键词
3D-printing; additive manufacturing; capacitance; electrochemistry; oxygen evolution reaction
类别
资金
- Tier 2 grant from the Ministry of Education, Singapore [MOE2013-T2-1-056, ARC 35/13]
- National Research Foundation (NRF) Singapore under its Environmental and Water Technologies (EWT)
3D-printing represents an emerging technology that can revolutionize the way object and functional devices are fabricated. Here the use of metal 3D printing is demonstrated to fabricate bespoke electrochemical stainless steel electrodes that can be used as platform for different electrochemical applications ranging from electrochemical capacitors, oxygen evolution catalyst, and pH sensor by means of an effective and controlled deposition of IrO2 films. The electrodes have been characterized by scanning electrode microscopy and energy dispersive X-ray spectroscopy before the electrochemical testing. Excellent pseudocapacitive as well as catalytic properties have been achieved with these 3D printed steel-IrO2 electrodes in alkaline solutions. These electrodes also demonstrate Nernstian behavior as pH sensor. This work represents a breakthrough in on-site prototyping and fabrication of highly tailored electrochemical devices with complex 3D shapes which facilitate specific functions and properties.
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