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Very often, the cycle life of batteries with antimony-free positive grids operating under deep-discharge cycling is determined by the grid/PAM interface. The properties of this interface are overviewed and the technological and design parameters influencing these properties, and hence determining the cycle life of the battery, are discussed. A new parameter γ is proposed. This is defined as grams...
Through cycling of tubular powder electrodes filled with positive active mass (PAM) powder obtained from positive SLI plates with pure-lead grids, it has been established that during cycling PAM loses its ability to restore its skeleton structure. X-ray diffraction investigations have shown that the crystallinity of PAM increases on cycling. This is probably the reason for the loss of PAM's ability...
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