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2006•Chinese Journal of Power SourcesRequires access

Influence of SDBS on electrochemical properties of zinc electrode

Guangchuan Liang

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Abstract

The influence of surfactant additive sodium dodecyl benzene sulfonate(SDBS)on zinc electrode in alkaline solution has been studied in this paper.The result shows that discharge capacity of zinc electrode has been greatly improved after adding SDBS into electrolyte.Active material utility percentage is as high as 56.4%.It is greatly increased than that of blank electrolyte.H2 evolution experiment shows that SDBS can be used as inhibitor for zinc electrode due to its blanketing effect.Through electrochemical morphological observation of anodic passivation behaviors of zinc electrode,the absorption of SDBS on electrode surface makes discharged production much smaller and keeps crude porous structure intact.Passivation of zinc electrode has been postponed.

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The influence of surfactant additive sodium dodecyl benzene sulfonate(SDBS)on zinc electrode in alkaline solution has been studied in this paper.The result shows that discharge capacity of zinc electrode has been greatly improved after adding SDBS into electrolyte.Active material utility percentage is as high as 56.4%.It is greatly increased than that of blank electrolyte.H2 evolution experiment shows that SDBS can be used as inhibitor for zinc electrode due to its blanketing effect.Through electrochemical morphological observation of anodic passivation behaviors of zinc electrode,the absorption of SDBS on electrode surface makes discharged production much smaller and keeps crude porous structure intact.Passivation of zinc electrode has been postponed.

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Available abstract

The influence of surfactant additive sodium dodecyl benzene sulfonate(SDBS)on zinc electrode in alkaline solution has been studied in this paper.The result shows that discharge capacity of zinc electrode has been greatly improved after adding SDBS into electrolyte.Active material utility percentage is as high as 56.4%.It is greatly increased than that of blank electrolyte.H2 evolution experiment shows that SDBS can be used as inhibitor for zinc electrode due to its blanketing effect.Through electrochemical morphological observation of anodic passivation behaviors of zinc electrode,the absorption of SDBS on electrode surface makes discharged production much smaller and keeps crude porous structure intact.Passivation of zinc electrode has been postponed.

Key concepts: Zinc, Passivation, Electrode, Electrolyte, Electrochemistry, Inorganic chemistry, Chemistry, Working electrode

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