Preparation and characterization of anode foil for aluminum electrolytic capacitors by powder additive manufacturing

被引:7
作者
Zeng, Xian [1 ]
Bian, Jiatong [1 ]
Liang, Libo [2 ]
Cao, Qian [1 ]
Liu, Li [1 ]
Chen, Xiangxiang [1 ]
Wang, Youyuan [1 ]
Xie, Xuanyu [1 ]
Xie, Guoliang [3 ,4 ]
机构
[1] Wuhan Univ Technol, Sch Mat Sci & Engn, Wuhan 430070, Peoples R China
[2] Guangxi Hezhou Guidong Elect Technol Co, Inst Technol Res & Dev Elect Aluminum Foil, Hezhou 542800, Peoples R China
[3] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
[4] 30 Xueyuan Rd, Beijing 100083, Peoples R China
基金
中国国家自然科学基金;
关键词
Anode foil; Additive manufacturing; Powder size; Sintering temperature; OXIDE-FILM; BEHAVIOR;
D O I
10.1016/j.powtec.2023.118602
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
In this paper, anode foils for aluminum electrolytic capacitors were successfully prepared using additive manufacturing technology. The effects of sintering temperature and particle size the anode foil were investigated. The results indicated that the sintering neck and particle size were the key factors to determine the electrical properties of the prepared powder foil. As the sintering temperature increased, both the porosity and the pore diameter of the anode foil decreased and the sintering neck increased, resulting in a decline of specific capacitance, while the dissipation factor did not change significantly. As the particle size of aluminum powder increased, the porosity, the pore diameter and the sintering neck of the anode foil increased. The specific capacitance of the anode foil first increased and then decreased, while the dissipation factor showed a gradual decrease. The anodic foil sintered at 630 degrees C and prepared with aluminum powder of 5- 6 mu m had the best electrical performance.
引用
收藏
页数:9
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