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1. (WO2009125544) SEALED RECTANGULAR BATTERY AND BATTERY MODULE USING SAME

Pub. No.:    WO/2009/125544    International Application No.:    PCT/JP2009/001254
Publication Date: Oct 15, 2009 International Filing Date: Mar 19, 2009
IPC: H01M 2/10
Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA
川崎重工業株式会社
TSUTSUMI, Kazuo
堤香津雄
NISHIMURA, Kazuya
西村和也
Inventors: TSUTSUMI, Kazuo
堤香津雄
NISHIMURA, Kazuya
西村和也
Title: SEALED RECTANGULAR BATTERY AND BATTERY MODULE USING SAME
Abstract:
Provided is a sealed rectangular battery with excellent volumetric efficiency and pressure resistance with a simple structure. In a sealed rectangular battery (C) equipped with an electrode assembly (15) that comprises a positive electrode (12) and a negative electrode (13), a rectangular frame member (17) that forms a cell case (22) for housing the aforementioned electrode assembly (15) and an electrolyte, a first cover part (19), and a second cover part (21), the aforementioned first cover part (19) has a main body part (19a) that covers one of the openings (17a) in the aforementioned frame member (17), and a side part (19b) provided extending from the main body part (19a) to roughly follow at least one set of mutually opposing sides (17b) of the aforementioned rectangular frame member (17). The aforementioned second cover part (21) has a main body part that covers the other opening (17c) in the aforementioned frame member (17) and a side part (21b) provided extending from the main body part to roughly follow at least one set of mutually opposing sides (17b) of the aforementioned rectangular frame member (17).