Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/75802
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dc.contributor.authorLee, Wen Por
dc.date.accessioned2018-06-17T12:51:56Z
dc.date.available2018-06-17T12:51:56Z
dc.date.issued2018
dc.identifier.urihttp://hdl.handle.net/10356/75802
dc.description.abstractThis study reports the feasibility of in-house synthesized chemically-activated carbon from spent coffee grounds as a potential electrode material to replace the TF6 bipolar graphite plate commercially used in VRB application. The activation reagent used is orthophosphoric acid (H3PO4), which was reacted with spend coffee grounds with impregnation ratios of 0.5, 1, 2, and 4. FESEM and TEM have shown visible disorder in the surface morphology and cyclic voltammetry and electrical spectral impedance analysis indicates there is an increase in electrochemical reversibility and activity towards vanadium redox reactions on the negative electrolyte. Notably, an optimum impregnation ratio of 1 yields the most positive VRB performance which is likely due to presence of highest oxygen functional groups observed. It can be concluded that spent coffee bean grounds can be used to produce a low-cost and efficient electrode for Vanadium Redox Battery systems.en_US
dc.format.extent41 p.en_US
dc.language.isoenen_US
dc.rightsNanyang Technological University
dc.subjectDRNTU::Engineering::Environmental engineeringen_US
dc.titleConversion of spent coffee bean into superior electrode for VRB applicationen_US
dc.typeFinal Year Project (FYP)en_US
dc.contributor.supervisorTuti Mariana Limen_US
dc.contributor.schoolSchool of Civil and Environmental Engineeringen_US
dc.description.degreeBachelor of Engineering (Environmental Engineering)en_US
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Appears in Collections:CEE Student Reports (FYP/IA/PA/PI)
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