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In this study, cobalt oxide (Co3O4) powder was prepared by simple precipitation and heat-treatment process of cobalt sulfate that is recovered from waste lithium-ion batteries (LIBs), and the effect of heat-treatment on surface properties of as-synthesized Co(OH)2 powder was systematically investigated. With different heat-treatment conditions, a phase of Co(OH)2 is transformed into CoOOH and Co3O4. The result showed that the porous and large BET surface area (ca. 116 m2/g) of Co3O4 powder was prepared at 200°C for 12 h. In addition, the lithium electroactivity of Co3O4 powder was investigated. When evaluated as an anode material for LIB, it exhibited good electrochemical performance with a specific capacity of about 500 mAh g-1 at a current density of C/5 after 50 cycles, which indicates better than those of commercial graphite anode material.
Słowa kluczowe
Wydawca
Czasopismo
Rocznik
Tom
Strony
67--72
Opis fizyczny
Bibliogr. 25 poz., fot., rys., tab.
Twórcy
autor
- Resources Utilization Research Division, Korea Institute of Geoscience & Mineral Resources (KIGAM)
autor
- Materials Science and Chemical Engineering Center, Institute for Advanced Engineering (IAE), 51 Goan Rd., Baegam-myeon, Yongin-si, Gyeonggi 17180, Yongin, Republic of Korea
- Sejong University, Department of Nanotechnology and Advanced Materials Engineering, Seoul, Republic of Korea
autor
- Materials Science and Chemical Engineering Center, Institute for Advanced Engineering (IAE), 51 Goan Rd., Baegam-myeon, Yongin-si, Gyeonggi 17180, Yongin, Republic of Korea
autor
- Materials Science and Chemical Engineering Center, Institute for Advanced Engineering (IAE), 51 Goan Rd., Baegam-myeon, Yongin-si, Gyeonggi 17180, Yongin, Republic of Korea
Bibliografia
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- [15] W. Du, R. Liu, Y. Jiang, Q. Lu, Y. Fan, F. Gao, J. Power Sources 227, 101 (2013).
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- [17] M. Hassanpour, H. Safardoust-Hojaghan, M. Salavati-Niasari, J. Mol. Liq. 229, 293 (2017).
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- [19] H.W. Shim, Y.H. Jin, S.D. Seo, S.H. Lee, D.W. Kim, ACS Nano 5, 443 (2011).
- [20] C.M. Hull, J.A. Koza, A. Switzer, J. Mater. Res. 31, 3324 (2016).
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Uwagi
This work was supported by the Materials & Components Technology Development Program (20011176), funded by the Ministry of Trade, Industry & Energy (MI, Korea), and by the Korea Environmental Industry & Technology Institute (KEITI) grant by the Korean government (Ministry of Environment) (no. 2022003500006, 22-9876).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-b7f0bd05-1a45-4fb5-957b-192b80039fdc
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