Battery module, method for manufacturing the same, and electric vehicle using the same

A battery module includes a cell assembly including a lamination of battery cells and expansible members interspersed within the battery cells, the battery cells and the expansible members being laminated in layers along a first direction. The battery module also includes a cell housing enclosing th...

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Bibliographische Detailangaben
Hauptverfasser:	Kim, Inseok, Kang, Hyunchang
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A battery module includes a cell assembly including a lamination of battery cells and expansible members interspersed within the battery cells, the battery cells and the expansible members being laminated in layers along a first direction. The battery module also includes a cell housing enclosing the cell assembly and forming an external appearance of the battery module. The cell housing includes first and second sides corresponding to first and second ends of the laminated layers of the cell assembly along the first direction. The cell housing is configured to fix the first and second ends of the cell assembly to inner surfaces of the first and second sides of the cell housing, respectively, by pressure generated by changes in a thickness of the battery cells and the expansible members along the first direction.