Abstract
Household battery waste is considered hazardous and needs to be collected, managed, and recycled appropriately. In this study, using a plasma electrolysis method, we recycled graphite electrodes of exhausted dry batteries to prepare crumpled graphite oxide (CGO). Scanning electron microscopy revealed that the CGO possessed spherical morphology with average dimensions of 0.5 μm to 5 μm. The as-prepared CGO was then applied to absorb cadmium in aqueous environment. The results showed that CGO appears to be a promising adsorbent for removal of toxic waste from polluted water.
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Acknowledgements
This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under Grant Numbers 103.99-2014.71 and 103.02-2014.68 and the Vietnam Academy of Science and Technology (VAST) under Grant Numbers VAST.CTG.01/15-16 and VAST.TĐ.AN-QP.02/14-16. A part of the work was done with the help of the Key Laboratory in Electronic Materials and Devices, Institute of Materials Science, Vietnam. We also thank Dr. Le Huu Phuoc at Department of Electrophysics, National Chiao Tung University, Hsinchu, 30010 Taiwan, ROC for help with SEM and TEM imaging.
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Hong, P.N., Tuoi, T.T., Ngan, N.T.K. et al. Preparation of Crumpled Graphite Oxide from Recycled Graphite Using Plasma Electrolysis and Its Application for Adsorption of Cadmium in Aqueous Environment. J. Electron. Mater. 45, 2472–2476 (2016). https://doi.org/10.1007/s11664-016-4380-1
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DOI: https://doi.org/10.1007/s11664-016-4380-1