Preparation of Nickel Nanoparticles by Direct Current Arc Discharge Method and Their Catalytic Application in Hybrid Na-Air Battery
Nickel nanoparticles were prepared by the arc discharge method. Argon and argon/hydrogen mixtures were used as plasma gas; the evaporation of anode material chiefly resulted in the formation of different arc-anode attachments at different hydrogen concentrations. The concentration of hydrogen was fi...
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| Format: | Article |
| Language: | English |
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MDPI AG
2018-09-01
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| Series: | Nanomaterials |
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| Online Access: | http://www.mdpi.com/2079-4991/8/9/684 |
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| author | Fengmei Su Xuechao Qiu Feng Liang Manabu Tanaka Tao Qu Yaochun Yao Wenhui Ma Bin Yang Yongnian Dai Katsuro Hayashi Takayuki Watanabe |
| author_facet | Fengmei Su Xuechao Qiu Feng Liang Manabu Tanaka Tao Qu Yaochun Yao Wenhui Ma Bin Yang Yongnian Dai Katsuro Hayashi Takayuki Watanabe |
| author_sort | Fengmei Su |
| collection | DOAJ |
| description | Nickel nanoparticles were prepared by the arc discharge method. Argon and argon/hydrogen mixtures were used as plasma gas; the evaporation of anode material chiefly resulted in the formation of different arc-anode attachments at different hydrogen concentrations. The concentration of hydrogen was fixed at 0, 30, and 50 vol% in argon arc, corresponding to diffuse, multiple, and constricted arc-anode attachments, respectively, which were observed by using a high-speed camera. The images of the cathode and anode jets were observed with a suitable band-pass filter. The relationship between the area change of the cathode/anode jet and the synchronous voltage/current waveform was studied. By investigating diverse arc-anode attachments, the effect of hydrogen concentration on the features of nickel nanoparticles were investigated, finding that 50 vol% H2 concentration has high productivity, fine crystallinity, and appropriate size distribution. The synthesized nickel nanoparticles were then used as catalysts in a hybrid sodium–air battery. Compared with commercial a silver nanoparticle catalyst and carbon black, nickel nanoparticles have better electrocatalytic performance. The promising electrocatalytic activity of nickel nanoparticles can be ascribed to their good crystallinity, effective activation sites, and Ni/NiO composite structures. Nickel nanoparticles prepared by the direct current (DC) arc discharge method have the potential to be applied as catalysts on a large scale. |
| first_indexed | 2024-12-10T15:07:24Z |
| format | Article |
| id | doaj.art-251903024a004e12a99cb0e020b81766 |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-12-10T15:07:24Z |
| publishDate | 2018-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-251903024a004e12a99cb0e020b817662022-12-22T01:44:00ZengMDPI AGNanomaterials2079-49912018-09-018968410.3390/nano8090684nano8090684Preparation of Nickel Nanoparticles by Direct Current Arc Discharge Method and Their Catalytic Application in Hybrid Na-Air BatteryFengmei Su0Xuechao Qiu1Feng Liang2Manabu Tanaka3Tao Qu4Yaochun Yao5Wenhui Ma6Bin Yang7Yongnian Dai8Katsuro Hayashi9Takayuki Watanabe10Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaFaculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaFaculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaDepartment of Chemical Engineering, Kyushu University, Fukuoka 819-0395, JapanFaculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaFaculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaFaculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaFaculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaFaculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaDepartment of Applied Chemistry, Faculty of Engineering, Kyushu University, Fukuoka 819-0395, JapanDepartment of Chemical Engineering, Kyushu University, Fukuoka 819-0395, JapanNickel nanoparticles were prepared by the arc discharge method. Argon and argon/hydrogen mixtures were used as plasma gas; the evaporation of anode material chiefly resulted in the formation of different arc-anode attachments at different hydrogen concentrations. The concentration of hydrogen was fixed at 0, 30, and 50 vol% in argon arc, corresponding to diffuse, multiple, and constricted arc-anode attachments, respectively, which were observed by using a high-speed camera. The images of the cathode and anode jets were observed with a suitable band-pass filter. The relationship between the area change of the cathode/anode jet and the synchronous voltage/current waveform was studied. By investigating diverse arc-anode attachments, the effect of hydrogen concentration on the features of nickel nanoparticles were investigated, finding that 50 vol% H2 concentration has high productivity, fine crystallinity, and appropriate size distribution. The synthesized nickel nanoparticles were then used as catalysts in a hybrid sodium–air battery. Compared with commercial a silver nanoparticle catalyst and carbon black, nickel nanoparticles have better electrocatalytic performance. The promising electrocatalytic activity of nickel nanoparticles can be ascribed to their good crystallinity, effective activation sites, and Ni/NiO composite structures. Nickel nanoparticles prepared by the direct current (DC) arc discharge method have the potential to be applied as catalysts on a large scale.http://www.mdpi.com/2079-4991/8/9/684nickel nanoparticlearc discharge methodarc-anode attachmentcatalystNa-air battery |
| spellingShingle | Fengmei Su Xuechao Qiu Feng Liang Manabu Tanaka Tao Qu Yaochun Yao Wenhui Ma Bin Yang Yongnian Dai Katsuro Hayashi Takayuki Watanabe Preparation of Nickel Nanoparticles by Direct Current Arc Discharge Method and Their Catalytic Application in Hybrid Na-Air Battery Nanomaterials nickel nanoparticle arc discharge method arc-anode attachment catalyst Na-air battery |
| title | Preparation of Nickel Nanoparticles by Direct Current Arc Discharge Method and Their Catalytic Application in Hybrid Na-Air Battery |
| title_full | Preparation of Nickel Nanoparticles by Direct Current Arc Discharge Method and Their Catalytic Application in Hybrid Na-Air Battery |
| title_fullStr | Preparation of Nickel Nanoparticles by Direct Current Arc Discharge Method and Their Catalytic Application in Hybrid Na-Air Battery |
| title_full_unstemmed | Preparation of Nickel Nanoparticles by Direct Current Arc Discharge Method and Their Catalytic Application in Hybrid Na-Air Battery |
| title_short | Preparation of Nickel Nanoparticles by Direct Current Arc Discharge Method and Their Catalytic Application in Hybrid Na-Air Battery |
| title_sort | preparation of nickel nanoparticles by direct current arc discharge method and their catalytic application in hybrid na air battery |
| topic | nickel nanoparticle arc discharge method arc-anode attachment catalyst Na-air battery |
| url | http://www.mdpi.com/2079-4991/8/9/684 |
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