Production of High-Purity Tantalum Metal Powder for Capacitors Using Self-Propagating High-Temperature Synthesis

• Autorzy: Lee Yong-Kwan , Sim Jae-Jin , Byeon Jong-Soo , Lee Yong-Tak , Cho Yeong-Woo , Kim Hyun-Chul , Heo Sung-Gue , Lee Kee-Ahn , Seo Seok-Jun , Park Kyoung-Tae

Identyfikatory

DOI

10.24425/amm.2021.136400

• Języki publikacji: EN

Abstrakty

EN

In this study, high-purity tantalum metal powder was manufactured via self-propagating high-temperature synthesis. During the process, Ta₂O₅ and Mg were used as the raw material powder and the reducing agent, respectively, and given that combustion rate and reaction temperature are important factors that influence the success of this process, these factors were controlled by adding an excessive mass of the reducing agent (Mg) i.e., above the chemical equivalent, rather than by using a separate diluent. It was confirmed that Ta metal powder manufactured after the process was ultimately manufactured 99.98% high purity Ta metal powder with 0.5 μm particle size. Thus, it was observed that adding the reducing reagent in excess favored the manufacture of high-purity Ta powder that can be applied in capacitors.

Słowa kluczowe

EN

tantalum; self-propagating high-temperature synthesis; tantalum oxide; magnesium; capacitor

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2021
• Tom: Vol. 66, iss. 4
• Strony: 935--939
• Opis fizyczny: Bibliogr. 21 poz., fot., rys., tab., wykr., wzory

Twórcy

autor

Lee Yong-Kwan

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-47 Songdo-dong Yeonsoo-gu, Incheon 406-840, Korea
• Inha University, Department of Advanced Materials Engineering, 100 Inharo, Nam-gu, Incheon 22212, Korea

• https://orcid.org/0000-0001-6193-6345

autor

Sim Jae-Jin

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-47 Songdo-dong Yeonsoo-gu, Incheon 406-840, Korea
• Inha University, Department of Advanced Materials Engineering, 100 Inharo, Nam-gu, Incheon 22212, Korea

• https://orcid.org/0000-0003-1691-8724

autor

Byeon Jong-Soo

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-47 Songdo-dong Yeonsoo-gu, Incheon 406-840, Korea
• Inha University, Department of Advanced Materials Engineering, 100 Inharo, Nam-gu, Incheon 22212, Korea

• https://orcid.org/0000-0001-9158-0618

autor

Lee Yong-Tak

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-47 Songdo-dong Yeonsoo-gu, Incheon 406-840, Korea
• Inha University, Department of Advanced Materials Engineering, 100 Inharo, Nam-gu, Incheon 22212, Korea

• https://orcid.org/0000-0003-3054-5549

autor

Cho Yeong-Woo

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-47 Songdo-dong Yeonsoo-gu, Incheon 406-840, Korea
• Inha University, Department of Advanced Materials Engineering, 100 Inharo, Nam-gu, Incheon 22212, Korea

• https://orcid.org/0000-0002-9602-9021

autor

Kim Hyun-Chul

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-47 Songdo-dong Yeonsoo-gu, Incheon 406-840, Korea
• Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, Republic of Korea

• https://orcid.org/0000-0002-2464-0411

autor

Heo Sung-Gue

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-47 Songdo-dong Yeonsoo-gu, Incheon 406-840, Korea
• Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, Republic of Korea

• https://orcid.org/0000-0001-7086-5884

autor

Lee Kee-Ahn

• Inha University, Department of Advanced Materials Engineering, 100 Inharo, Nam-gu, Incheon 22212, Korea

• https://orcid.org/0000-0003-2149-3871

autor

Seo Seok-Jun

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-47 Songdo-dong Yeonsoo-gu, Incheon 406-840, Korea

• https://orcid.org/0000-0001-7599-743X

autor

Park Kyoung-Tae

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-47 Songdo-dong Yeonsoo-gu, Incheon 406-840, Korea

• https://orcid.org/0000-0002-4048-5888

Bibliografia

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Uwagi

1. This work was supported by the Korea Institute of Energy Technology Evaluation and Planning (KETEP) and the Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea (No. 20195210100070, The development of upcycling technology for low-grade tantalum waste resources using dry and wet integrated process) and Korea Evaluation Institute of Industrial Technology (KEIT) and the Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea (No. 20011286, The development of 4N5 grade ultrahigh purity molybdenum with a high melting point by smelting and refining technology for semiconductor applications from the northern country resources).

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).