BATTERY PACK

PROBLEM TO BE SOLVED: To enable a battery pack to discharge water from inside a housing case to the outside thereof efficiently in order to prevent electric leakage and reduce the number of holes used for this purpose as much as possible.SOLUTION: The arrangement position of a drain hole 25 is set t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OGURA HIROKI, OGINO KAZUTOSHI
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:	PROBLEM TO BE SOLVED: To enable a battery pack to discharge water from inside a housing case to the outside thereof efficiently in order to prevent electric leakage and reduce the number of holes used for this purpose as much as possible.SOLUTION: The arrangement position of a drain hole 25 is set to exist between a first left side lead plate 461 and a second left side lead plate 462 which are connected to an electrode 42 of a battery cell 41. Lead plates 45 are disposed respectively adjacent to the first left side lead plate 461 and the second left side lead plate 462 and respectively differ in electric potential. Water in between these lead plates 45 can be discharged from inside a housing case 20 to the outside. Therefore, even when a support rib 231 is formed inside the housing case 20, water in between the lead plates 45 can all be discharged, and electrical connection between the lead plates 45 which occurs when they are immersed in water can be prevented.