Performance of valve-regulated lead/acid test cells for float operation using modified positive active materials

Three types of valve-regulated lead/acid cells have been made with positive active material prepared from: (i) tribasic lead sulfate; (ii) tetrabasic lead sulfate; (iii) tetrabasic lead sulfate with graphite added. The cells have been subjected to float operation. They undergo premature capacity los...

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Bibliographic Details
Published in:Journal of power sources 1995, Vol.53 (1), p.119-125
Main Authors: Szcześniak, B., Kwaśnik, J., Milewski, J.D., Pukacka, T.
Format: Article
Language:English
Subjects:
Applied sciences
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Float operation
Lead/acid test cells
Positive active materials
Valve-regulated cells
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Summary:Three types of valve-regulated lead/acid cells have been made with positive active material prepared from: (i) tribasic lead sulfate; (ii) tetrabasic lead sulfate; (iii) tetrabasic lead sulfate with graphite added. The cells have been subjected to float operation. They undergo premature capacity loss. The circumstances of this effect, the possibility of recovery of the capacity, the role of the graphite, and the impedance spectra of the cells are discussed.
ISSN:0378-7753
1873-2755
DOI:10.1016/0378-7753(94)02160-5