Correct determination of the hydrogen evolution reaction parameters at Ni foam electrode modified by electrodeposited Ni-Sn alloy layer
Procedura korektnog određivanja parametara reakcije izdvajanja vodonika na elektrodi od Ni pene modifikovane elektrohemijski istaloženom Ni-Sn legurom
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The example of the procedure for the correct determination of the parameters of hydrogen evolution reaction (HER), the exchange current density (jo) and relaxation time (τo) for intermediate (adsorbed hydrogen, Hads) adsorption at modified porous Ni-based electrode are presented in this work. Such a procedure is applicable for the HER at all electrode materials. The value of jo was obtained from the intercept at η = 0 mV from the η vs. log (Rct-1) dependence (η-overpotential), while the value of τo was obtained from the intercept at η = 0 mV from the logτ vs. η dependence. It was shown that for the correct determination of jo and τo, it is necessary to correct applied η for the jRs drop, by recording current density (j) for applied η and correcting it for jRs.
Na primeru izdvajanja vodonika na Ni-Sn/Ni pena 800 elektrodi u ovom radu je prikazana procedura korektnog određivanja parametara ove reakcije, a to su: gustina struje izmene (jo) i relaksaciono vreme adsorpcije intermedijara () (Hads). Vrednost jo je određena iz odsečka za = 0 mV zavisnosti vs. log(Rct-1 ) ( - prenapetost), dok je vrednost o određena iz odsečka za = 0 mV zavisnosti log vs. . Pokazano je da je za korektno određivanje ovih parametara neophodno korigovati gustinu struje pri svakoj zadatoj prenapetosti za vrednost omskog pada napona jRs.
Кључне речи:
30% KOH / exchange current density / HER parameters / Ni foam / Ni-Sn alloy / relaxation time / Reakcija izdvajanja vodonika / gustina struje izmene / relaksaciono vreme / Ni-Sn legura / Ni pena / 30% KOHИзвор:
Zaštita materijala, 2024, 65, 1, 3-10Издавач:
- Inženjersko društvo za koroziju
Финансирање / пројекти:
- Federal Ministry of Education and Research – Germany, through the WBC2019 call – project NOVATRODES 01DS21010
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200135 (Универзитет у Београду, Технолошко-металуршки факултет) (RS-MESTD-inst-2020-200135)
Институција/група
Tehnološko-metalurški fakultetTY - JOUR AU - Gojgić, Jelena D. AU - Petričević, Aleksandar M. AU - Krstajić Pajić, Mila N. AU - Jović, Vladimir D. PY - 2024 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7409 AB - The example of the procedure for the correct determination of the parameters of hydrogen evolution reaction (HER), the exchange current density (jo) and relaxation time (τo) for intermediate (adsorbed hydrogen, Hads) adsorption at modified porous Ni-based electrode are presented in this work. Such a procedure is applicable for the HER at all electrode materials. The value of jo was obtained from the intercept at η = 0 mV from the η vs. log (Rct-1) dependence (η-overpotential), while the value of τo was obtained from the intercept at η = 0 mV from the logτ vs. η dependence. It was shown that for the correct determination of jo and τo, it is necessary to correct applied η for the jRs drop, by recording current density (j) for applied η and correcting it for jRs. AB - Na primeru izdvajanja vodonika na Ni-Sn/Ni pena 800 elektrodi u ovom radu je prikazana procedura korektnog određivanja parametara ove reakcije, a to su: gustina struje izmene (jo) i relaksaciono vreme adsorpcije intermedijara () (Hads). Vrednost jo je određena iz odsečka za = 0 mV zavisnosti vs. log(Rct-1 ) ( - prenapetost), dok je vrednost o određena iz odsečka za = 0 mV zavisnosti log vs. . Pokazano je da je za korektno određivanje ovih parametara neophodno korigovati gustinu struje pri svakoj zadatoj prenapetosti za vrednost omskog pada napona jRs. PB - Inženjersko društvo za koroziju T2 - Zaštita materijala T1 - Correct determination of the hydrogen evolution reaction parameters at Ni foam electrode modified by electrodeposited Ni-Sn alloy layer T1 - Procedura korektnog određivanja parametara reakcije izdvajanja vodonika na elektrodi od Ni pene modifikovane elektrohemijski istaloženom Ni-Sn legurom EP - 10 IS - 1 SP - 3 VL - 65 DO - 10.62638/zasmat1039 ER -
@article{ author = "Gojgić, Jelena D. and Petričević, Aleksandar M. and Krstajić Pajić, Mila N. and Jović, Vladimir D.", year = "2024", abstract = "The example of the procedure for the correct determination of the parameters of hydrogen evolution reaction (HER), the exchange current density (jo) and relaxation time (τo) for intermediate (adsorbed hydrogen, Hads) adsorption at modified porous Ni-based electrode are presented in this work. Such a procedure is applicable for the HER at all electrode materials. The value of jo was obtained from the intercept at η = 0 mV from the η vs. log (Rct-1) dependence (η-overpotential), while the value of τo was obtained from the intercept at η = 0 mV from the logτ vs. η dependence. It was shown that for the correct determination of jo and τo, it is necessary to correct applied η for the jRs drop, by recording current density (j) for applied η and correcting it for jRs., Na primeru izdvajanja vodonika na Ni-Sn/Ni pena 800 elektrodi u ovom radu je prikazana procedura korektnog određivanja parametara ove reakcije, a to su: gustina struje izmene (jo) i relaksaciono vreme adsorpcije intermedijara () (Hads). Vrednost jo je određena iz odsečka za = 0 mV zavisnosti vs. log(Rct-1 ) ( - prenapetost), dok je vrednost o određena iz odsečka za = 0 mV zavisnosti log vs. . Pokazano je da je za korektno određivanje ovih parametara neophodno korigovati gustinu struje pri svakoj zadatoj prenapetosti za vrednost omskog pada napona jRs.", publisher = "Inženjersko društvo za koroziju", journal = "Zaštita materijala", title = "Correct determination of the hydrogen evolution reaction parameters at Ni foam electrode modified by electrodeposited Ni-Sn alloy layer, Procedura korektnog određivanja parametara reakcije izdvajanja vodonika na elektrodi od Ni pene modifikovane elektrohemijski istaloženom Ni-Sn legurom", pages = "10-3", number = "1", volume = "65", doi = "10.62638/zasmat1039" }
Gojgić, J. D., Petričević, A. M., Krstajić Pajić, M. N.,& Jović, V. D.. (2024). Correct determination of the hydrogen evolution reaction parameters at Ni foam electrode modified by electrodeposited Ni-Sn alloy layer. in Zaštita materijala Inženjersko društvo za koroziju., 65(1), 3-10. https://doi.org/10.62638/zasmat1039
Gojgić JD, Petričević AM, Krstajić Pajić MN, Jović VD. Correct determination of the hydrogen evolution reaction parameters at Ni foam electrode modified by electrodeposited Ni-Sn alloy layer. in Zaštita materijala. 2024;65(1):3-10. doi:10.62638/zasmat1039 .
Gojgić, Jelena D., Petričević, Aleksandar M., Krstajić Pajić, Mila N., Jović, Vladimir D., "Correct determination of the hydrogen evolution reaction parameters at Ni foam electrode modified by electrodeposited Ni-Sn alloy layer" in Zaštita materijala, 65, no. 1 (2024):3-10, https://doi.org/10.62638/zasmat1039 . .