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Abstract

In order to the long-term stability of DSE for electroplating process, the lifetime equations were calculated from the results of the accelerated life testing, and the lifetime of DSE was predicted. The nano-embossing pre-treatment led to 2.65 times in the lifetime of DSE. The degradation mechanism of DSE with a thick metal oxide layer for applied highly current density process condition was identified. The improvement of durability of DSE seems to be closely related to adhesion between titanium plate and mixed metal oxide layer.
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Bibliography

[1] S.R. Park, J.S. Park, J. Korean Electrochem. Soc. 23, 1 (2020).
[2] J.E. Park, H. Kim, E.S. Lee, Materials 13, 1969 (2020).
[3] A.N.S. Rao , V. T. Venkatarangaiah, Environ. Sci. Pollut. Res. 21, 3197 (2014).
[4] J.Y. Lee, D.K. Kang, K.H. Lee, D.Y. Chang, Mater. Sci. Appl. 2, 237(2011).
[5] S.H. Son, S.C. Park, M.S. Lee, Arch. Metall. Mater. 62, 1019 (2017).
[6] Z. Yan, Y. Zhao, Z. Zhang, G. Li, H. Li, J. Wang, Z. Feng, M. Tang, X. Yuan, R. Zhang, Y. Du, Electrochimica Acta 157, 345 (2015).
[7] D.S. Kim, Y.S. Park, Electrode. J. Environ. Sci. Int. 27, 467 (2018).
[8] S.C. Park , Y.B. Park, J. Electron. Mater. 37, 1565 (2008).
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Authors and Affiliations

Sung Cheol Park
1 2
ORCID: ORCID
Yeon Jae Jung
1
ORCID: ORCID
SeokBon Koo
1
ORCID: ORCID
Kee-Ahn Lee
2
ORCID: ORCID
Seong Ho Son
1
ORCID: ORCID

  1. Korea Institute of Industrial Technology, Advanced Functional Technology R&D Department, Incheon, Republic of Korea
  2. Inha University, Department of Materials Science and Engineering, Incheon, Republic of Korea
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Abstract

This study investigated the recovery behavior of valuable metals (Co, Ni, Cu and Mn) in spent lithium ion-batteries based on Al2O3-SiO2-CaO-Fe2O3 slag system via DC submerged arc smelting process. The valuable metals were recovered by 93.9% at the 1250℃ for 30 min on the 20Al2O3-40SiO2-20CaO-20Fe2O3 (mass%) slag system. From the analysis of the slag by Fourier-transform infrared spectroscopy, it was considered that Fe2O3 and Al2O3 acted as basic oxides to depolymerize SiO4 and AlO4 under the addition of critical 20 mass% Fe2O3 in 20Al2O3-40SiO2-CaO-Fe2O3 (CaO + Fe2O3 = 40 mass%). In addition, it was observed that the addition of Fe2O3 ranging between 20 and 30 mass% lowers the melting point of the slag system.
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Bibliography

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[6] T.-G. Maschler, B. Friedrich, R. Weyhe, H. Heegn, M. Rutz, Journal of Power Sources 207, 173-182 (2012).
[7] G . Wu, S. Seebold, E. Yazhenskikh, K. Hack, M. Müller, Fuel Processing Technology 171, 339-349 (2018).
[8] M.-L. Pearce, J.-F. Beisler, Journal of The American Ceramic Society 49, 547-551 (1966).
[9] N. Saito, N. Hori, K. Nakashima, K. Mori, Metallurgical and Materials Transactions B 34B, 509-516 (2003).
[10] M. Nakamoto, Y. Miyanayashi, L, Holappa, T. Tanaka, ISIJ International 47, 1409-1415 (2007).
[11] H . Park, J.-Y. Park, G.-H. Kim, I. Sohn, Steel Research Int. 83, 150-156 (2012).
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Authors and Affiliations

Tae Boong Moon
1 2
ORCID: ORCID
Chulwoong Han
2
ORCID: ORCID
Soong Keun Hyun
1
ORCID: ORCID
Sung Cheol Park
2
ORCID: ORCID
Seong Ho Son
2
ORCID: ORCID
Man Seung Lee
3
ORCID: ORCID
Yong Hwan Kim
2
ORCID: ORCID

  1. Inha University, Department of Materials Science and Engineering, Incheon, Korea
  2. Korea Institute of Industrial Technology, Research Institute of Advanced Manufacturing and Materials Technology Incheon, 156, Gaetbeol Rd., Yeonsu-gu, Incheon, 406-840, Korea
  3. Mokpo National University, Department of Materials Science and Engineering Mokpo, Korea

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