Alkaline dry battery

H - Electricity – 01 – M

Patent

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Details

H01M 4/62 (2006.01) H01M 4/06 (2006.01) H01M 6/06 (2006.01) H01M 6/08 (2006.01) H01M 4/50 (2006.01)

Patent

CA 2463849

An alkaline dry cell which is excellent in heavy and medium load discharge characteristics and the light load discharge characteristics of which hardly degrade. The alkaline dry cell comprises a negative electrode, an alkaline electrolyte, and a positive electrode containing manganese(IV) oxide and graphite powder. An additive selected from the group of Ti(OH)4 and Ti(OH)2 is added to the positive electrode.

Cette invention a trait à une pile sèche alcaline dont les caractéristiques sont remarquables en matière de décharge en charge élevée et moyenne ainsi que dans le cas de décharge en charge faible, ce qui n'a pour effet que d'entraîner une légère dégradation. Cette pile sèche alcaline est constituée d'une électrode négative, d'un électrolyte alcalin ainsi que d'une électrode positive renfermant de l'oxyde de manganèse (IV) et de la poudre de graphite. Il est possible d'adjoindre à l'électrode positive un produit d'addition choisi entre Ti (OH)¿4? et Ti (OH)¿2?.

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