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Comparative study of corrosion behavior of metals in protic and aprotic ionic liquids
Dilasari B.a,b, Jung Y.a, Kwon K.a
a Department of Energy and Mineral Resources Engineering, Sejong University, Seoul, 05006, South Korea
b Department of Metallurgical Engineering, Bandung Institute of Technology, Bandung, 40132, Indonesia
[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]© 2016 Elsevier B.V.A comparative study of metal corrosion in a protic ionic liquid (PIL) and an aprotic ionic liquid (AIL) with the same anion is reported in this paper. The stability of Ni, Cu, Al, Zn, and Mg in 1-butylpyrrolidinium bis(trifluoromethylsulfonyl)imide ([BPyr] [NTf2]) PIL and 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide ([BMPyr] [NTf2]) AIL is evaluated, and the measured corrosion potential (Ecorr) and corrosion current density (icorr) of these metals in both ionic liquids are compared. Electrochemical tests show that the PIL has a narrower electrochemical stability window and is generally more reactive toward the metals than the AIL. Even though the observed corrosion behavior is more or less similar in both ionic liquids, the corrosion parameters obtained reflect the fact that the presence of a proton on the cation of an ionic liquid makes metals more susceptible to corrosion, i.e. produces a lower Ecorr and higher icorr.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Comparative studies,Corrosion behavior,Corrosion current densities,Corrosion parameters,Corrosion potentials,Electrochemical stabilities,Electrochemical test,Protic ionic liquids[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Corrosion,Metal,Protic ionic liquid,Proton[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text]This study was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education ( 2013R1A1A2010795 ).[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.1016/j.elecom.2016.10.009[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]