Ti基镶嵌金刚石颗粒掺硼金刚石电极及其性能

doi:10.19976/j.cnki.43-1448/TF.2023077

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Abstract Diamond particles were embeded on the surface of Ti plate by a powder pellet mill, boron-doped diamond (BDD) films were deposited on this substrate by hot filament chemical vapor deposition to prepare a new Ti/D/BDD electrode, and Ti/BDD electrode was prepared for comparision. The morphology, B doping level, and electrochemical performance of the electrode were characterized by scanning electron microscope, Raman spectrometer, and electrochemical workstation, the degradation effect of the electrode simulated wastewater was tested by ultraviolet-visible spectrophotometer. The results show that the Ti/D/BDD electrode has a larger electrochemical active area and lower film impedance than the Ti/BDD electrode at the same deposition time, which makes the electrode show higher degradation rate and lower degradation energy consumption for acid orange G. When deposited for 10 h, Ti/D/BDD electrode has the highest electrical double layer capacitance (1.87 mF) and the lowest film resistance (0.4 Ω); after 120 min of degradation, the chromaticity removal rate of Ti/D/BDD electrode is 53.1% higher than that of Ti/BDD electrode, and the energy consumption is reduced by 14.2%.

Key words： BDD electrode Ti substrate diamond particle electrochemical performance wastewater degradation

Received: 07 November 2023 Published: 26 March 2024

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	DOU Jinjie
	LIU Dianhong
	JIANG Luan
	LI Jing
	MA Li
	WEI Qiuping

Cite this article:

DOU Jinjie,LIU Dianhong,JIANG Luan, et al. Ti plate embedding diamond particles boron-doped diamond electrode and its properties[J]. Materials Science and Engineering of Powder Metallurgy, 2024, 29(1): 45-52.

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http://pmbjb.csu.edu.cn/EN/10.19976/j.cnki.43-1448/TF.2023077 OR http://pmbjb.csu.edu.cn/EN/Y2024/V29/I1/45

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