A STUDY OF THE LOW TEMPERATURE CHARGE ACCEPTANCE OF 500AH PHOTOVOLTAIC BATTERIES - LABORATORY AND FIELD TESTS

Authors
  1. Chang, T.G.
  2. Valeriote, E.M.
  3. Gardner, C.
Corporate Authors
Cominco Product Research Centre, Mississauga ONT (CAN);Chief of Research and Development, Ottawa ONT (CAN)
Abstract
A lead-acid battery was evaluated both in the laboratory and the field for the application of energy storage for remote photovoltaic (PV)/battery systems at a low temperature (-40C). It was found that, although it could not be fully recharged, the battery could be cycled between two partially charged states with a very high charging efficiency and, thus, was suitable for the application. Currents, battery voltages, and positive and negative plate potentials were recorded and discussed. It was determined that the capacity was positive-plate limited. Experimental data also suggested that some compound other than PbO2 was produced on the positive plates charged at -40C. This oxidation product was reduced during discharge, and may also have been reduced at the negative plate during charging of the cell.
Date of publication
01 Jan 1990
Number of Pages
21
DSTKIM No
90-04899
CANDIS No
67128
Format(s):
Hardcopy;Originator's fiche received by DSIS

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