Journal
JOURNAL OF POWER SOURCES
Volume 191, Issue 1, Pages 154-158Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2009.01.014
Keywords
Lead-acid; Negative electrode; Sulfation suppression
Funding
- Advanced Lead-Acid Battery Consortium [C2.2]
- Research Project CR [MSM 0021630516]
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Accelerated cycling in the partial state of charge regime showed conclusively that the improvement in cycle life of negative lead accumulator electrodes can be brought about not only by the addition of various sorts of powdered carbon into the active mass but also by the addition of other powdered inert materials like glass fibers, alumina, or titanium dioxide. Steric hindrance of the crystallization of lead sulfate in the electrode pores evidenced by ESEM microphotographs is considered as the main reason for this effect. The added powdered substances were practically without influence on the hydrogen overpotential; and their effect on the active material resistance was also negligible. (C) 2009 Elsevier B.V. All rights reserved.
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