In order to reach a statistically sound conclusion on the suitability of maintenance-free, lead-calcium automotive batteries for practical operations, the failure behaviour of such batteries has been observed in a large-scale experiment carried out by Mercedes Benz AG and Robert Bosch GmbH in different climatic zones of North America. The results show that the average failure behaviour is not significantly different to that of batteries from other manufacturers using other grid alloy systems and operated under otherwise identical conditions; the cumulative failure probability after 30 months is 17%. The mathematical methods used in this study, and in particular the characteristic factors derived from them, have proven useful for assessing the suitability of automotive batteries
Reliability of lead-calcium automotive batteries in practical operations
Zuverlässigkeit von Blei-Kalzium-Automobilbatterien im praktischen Betrieb
1995
8 Seiten, 4 Quellen
Conference paper
English
Elektrochemie , Schadenanalyse , Bleilegierung , Wahrscheinlichkeit , Zuverlässigkeit , galvanische Sekundärbatterie , Wartung , wartungsfreies Gerät , Feldversuch , Automobil , Calcium , mathematisches Verfahren , Schadenursache , Instandhaltung , elektrochemische Elektrode , Calciumlegierung , Nordamerika
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