Increasing Lead Battery Performance Efficiency
An active research and development initiative in the secondary lead industry has produced a new lead alloy enabling lead batteries to function at 2× current performance standards. The need for this new lead is in response to elevated temperatures due to the new duty cycles common for rechargeable batteries. This innovation addresses the trace element impurity profile of secondary lead used in energy storage and enables improvement in cycle life, dynamic charge acceptance and capacity. Utilization of advanced structural characterization capabilities of the Advanced Photon Source at the Argonne National Laboratory has led to a fundamental reassessment of the mechanisms in Pb based batteries, driving the rate of technological improvement in this crucial and sustainable energy storage technology. The specific energy measurement of this new lead used in batteries reaches a level competitive with some lithium-ion battery materials.
KeywordsLead alloy Lead–acid batteries PbSO4 crystals Dissolution Dynamic charge acceptance Cycle life
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