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The effects of three types of straight chain polyols (propanetriol, butantetraol, and pentitol) and one branched chain polyols pentaerythritol as electrolyte additives on the electrochemical properties of gelled electrolyte valve-regulated lead-acid (GEL-VRLA) batteries were systematically studied. Our result shows that a moderate mechanical dispersion of fumed silica in H 2 SO 4 solution...
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