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AssigneeCompagnie Europeenne d'Accumulateurs
InventorsOlaf Sielemann, Harald Niepraschk, Peter Nemec-Losert
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A process for the production of a lead accumulator comprising installing electrode plates and separators in a battery box, introducing an electrolyte in the form of a thixotropic gel including sulphuric acid and gel-forming agent into an electrolyte space and, closing of the battery box, wherein after installing the electrode plates the entire amount of sulphuric acid required for a desired electrolyte concentration is introduced into an electrolyte space within the box to form the electrode plates and after formation, an aqueous silica sol with 15 to 60% by weight of solids component, with a specific surface area of solids of 100 to 500 m.sup.2 /g, is added in such an amount that a solids concentration of the electrolyte, with respect to the overall weight thereof, of 3 to 20% by weight is obtained, and then the content of the electrolyte space is homogenously mixed.
A process for the production of a lead accumulator comprising installing electrode plates and separators in a battery box, introducing an electrolyte in the form of a thixotropic gel including sulphuric acid and gel-forming agent into an electrolyte space and, closing of the battery box, wherein after installing the electrode plates the entire amount of sulphuric acid required for a desired electrolyte concentration is introduced into an electrolyte space within the box to form the electrode plates and after formation, an aqueous silica sol with 15 to 60% by weight of solids component, with a specific surface area of solids of 100 to 500 m.sup.2 /g, is added in such an amount that a solids concentration of the electrolyte, with respect to the overall weight thereof, of 3 to 20% by weight is obtained, and then the content of the electrolyte space is homogenously mixed.
Dependencies are inferred from the claim text.