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Acta Metall Sin  2022, Vol. 58 Issue (12): 1527-1544    DOI: 10.11900/0412.1961.2022.00369
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Recent Advances in Open-Cell Porous Metal Materials for Electrocatalytic and Biomedical Applications
XU Wence, CUI Zhenduo, ZHU Shengli()
School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
Cite this article: 

XU Wence, CUI Zhenduo, ZHU Shengli. Recent Advances in Open-Cell Porous Metal Materials for Electrocatalytic and Biomedical Applications. Acta Metall Sin, 2022, 58(12): 1527-1544.

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Abstract  

Open-cell porous metal materials are multifunctional lightweight materials that have attracted considerable attention in electrocatalysis and biomedicine owing to their large specific surface area, low bulk density, good specific strength, high conductivity, and high mass transfer. The morphology, porosity, composition, crystal structure, and other properties of open-cell porous metal materials can be controlled precisely by designing different metal systems and developing efficient preparation technologies. Therefore, the corresponding functional performance of open-cell porous metal materials, such as catalytic activity, selectivity, stability, and biocompatibility, can be improved further. This paper briefly describes the fabrication methods and principles of open-cell porous metal materials for electrocatalysis and biomedicine. In addition, the recent developments in open-cell porous metal materials for electrocatalysis and biomedicine are summarized. Finally, the future development directions of open-cell porous metal materials for electrocatalysis and biomedicine are proposed.

Key words:  open-cell porous metal material      electrocatalyst      biomedical material      functional material     
Received:  04 August 2022     
ZTFLH:  TG146  
Fund: National Natural Science Foundation of China(51771131);National Natural Science Foundation of China(52001172)
About author:  ZHU Shengli, professor, Tel: 18920951755, E-mail: slzhu@tju.edu.cn

URL: 

https://www.ams.org.cn/EN/10.11900/0412.1961.2022.00369     OR     https://www.ams.org.cn/EN/Y2022/V58/I12/1527

Fig.1  Schematic of the preparation of porous metal by dealloying method
Fig.2  Schematics of the fabrication of porous metal by template method
(a) soft template method (b) hard template method
Fig.3  Schematics of selective laser melting machine (F—focal distance, θ—scanning angle) (a) and enlarged schematic of building platform (b)
Fig.4  Schematic of application of porous metal based on electrocatalysis
Fig.5  Conceptual illustration of the biological processes of bone formation around the porous scaffold
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