ALKALINE SECONDARY BATTERY

An alkaline secondary battery of the present invention includes: a cylindrical battery case 1 which has a closed end and is provided with a positive electrode terminal 8; a cylindrical positive electrode 2 accommodated in the cylindrical battery case; a negative electrode 3 arranged in a hollow port...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TSUKIJI MACHIKO, HANO MASATOSHI, SAKASHITA FUMIHARU, KATO FUMLO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	An alkaline secondary battery of the present invention includes: a cylindrical battery case 1 which has a closed end and is provided with a positive electrode terminal 8; a cylindrical positive electrode 2 accommodated in the cylindrical battery case; a negative electrode 3 arranged in a hollow portion of the positive electrode; a separator 4 arranged between the positive electrode and the negative electrode; and an alkaline electrolyte solution accommodated in the cylindrical battery case, wherein a sealing body provided with a negative electrode terminal 9 hermetically seals an opening of the battery case, and the sealing body has a current cut-off mechanism configured to cut off current conduction between the negative electrode and the negative electrode terminal when internal pressure reaches a predetermined pressure P1.