Method for making highly oxidized lead powder used for a lead storage battery

Highly oxidized lead powder containing red lead not more than 90% is efficiently produced by maturing the lead powder material at a low temperature section of a furnace keeping the temperature less than 100 DEG C. by spraying water to the material and then, by heating the same from 400 DEG to 500 DE...

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Hauptverfasser:	YONEZU, KAZUYOSHI, YASUDA, HIROSHI, YAMAMOTO, KENZO, TAKAHASHI, KATSUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	Highly oxidized lead powder containing red lead not more than 90% is efficiently produced by maturing the lead powder material at a low temperature section of a furnace keeping the temperature less than 100 DEG C. by spraying water to the material and then, by heating the same from 400 DEG to 500 DEG C. at a high temperature section of the furnace. The highly oxidized lead powder produced in this method is preferable as active material of a lead storage battery, that is, a paste preparation and formation treatment become easy and a long life electrode is obtained.