A facile route to search antioxidant additives for dry charged negative plate of the lead acid battery
Author(s)
Zhang, Bo
Zhong, Juhua
Cheng, Zhenmin
Yang, Huagui
Griffith University Author(s)
Year published
2013
Metadata
Show full item recordAbstract
Here we report a new way to characterize the performance of antioxidant additives for dry charged negative plate of the lead acid battery by measuring the anodic excursion peaks (AEPs). Cyclic voltammetry (CV), and linear sweep voltammetry (LSV) combined with potential step method have been conducted to investigate the effects of polyhydric compounds (sorbitol) and cetyltrimethyl ammonium bromide (CTAB) on AEPs and corrosion resistance. The results show that sorbitol increases AEPs but prevents the formation of PbO2, and on the contrary CTAB promotes the formation of PbO2 but eliminates AEPs. These phenomena reveal that the ...
View more >Here we report a new way to characterize the performance of antioxidant additives for dry charged negative plate of the lead acid battery by measuring the anodic excursion peaks (AEPs). Cyclic voltammetry (CV), and linear sweep voltammetry (LSV) combined with potential step method have been conducted to investigate the effects of polyhydric compounds (sorbitol) and cetyltrimethyl ammonium bromide (CTAB) on AEPs and corrosion resistance. The results show that sorbitol increases AEPs but prevents the formation of PbO2, and on the contrary CTAB promotes the formation of PbO2 but eliminates AEPs. These phenomena reveal that the increase of AEPs and the increase of corrosion resistance of lead electrode are synchronous, which indicate that the additives that can enhance AEPs could be used as antioxidant additives. The effectiveness of the new AEPs test on searching antioxidant additives for protection of lead electrode has been compared with the general potentiodynamic polarization (Tafel) method, and the results of the two tests are consistent. Also, it has been obtained that characterizing the antioxidative effect of antioxidant additives on lead electrode via measuring AEPs in CV or LSV is reliable and more facile than Tafel.
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View more >Here we report a new way to characterize the performance of antioxidant additives for dry charged negative plate of the lead acid battery by measuring the anodic excursion peaks (AEPs). Cyclic voltammetry (CV), and linear sweep voltammetry (LSV) combined with potential step method have been conducted to investigate the effects of polyhydric compounds (sorbitol) and cetyltrimethyl ammonium bromide (CTAB) on AEPs and corrosion resistance. The results show that sorbitol increases AEPs but prevents the formation of PbO2, and on the contrary CTAB promotes the formation of PbO2 but eliminates AEPs. These phenomena reveal that the increase of AEPs and the increase of corrosion resistance of lead electrode are synchronous, which indicate that the additives that can enhance AEPs could be used as antioxidant additives. The effectiveness of the new AEPs test on searching antioxidant additives for protection of lead electrode has been compared with the general potentiodynamic polarization (Tafel) method, and the results of the two tests are consistent. Also, it has been obtained that characterizing the antioxidative effect of antioxidant additives on lead electrode via measuring AEPs in CV or LSV is reliable and more facile than Tafel.
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Journal Title
Journal of Electroanalytical Chemistry
Volume
689
Subject
Analytical chemistry
Inorganic green chemistry
Macromolecular and materials chemistry
Electrochemistry
Theoretical and computational chemistry