ASSEMBLED BATTERY
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United States of America Patent
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app pub date -
May 9, 2011
filing date -
Dec 14, 2005
priority date (Note) -
Abandoned
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Abstract
The present invention provides an assembled battery with reduced weight and high reliability that can achieve improvement of assembling easiness at low cost. An assembled battery is provided with a frame holding a plurality of unit cells 14 having positive polarity at one end and negative polarity at the other end. The frame is composed of two outer frames 2 having the same shape and an inner frame 3. The unit cells 14 constituting an assembled battery 1 are disposed on both sides of the inner frame 3, and one outer frame 2 and the other outer frame 2 are disposed such that the unit cells are sandwiched between the former outer frame 2 and the inner frame 3 and between the latter outer frame 2 and the inner frame 3. The two outer frames 2 are joined to the inner frame 3 through side face coupling portions 23 and vertical coupling portions 24. The inner frame 3 is fixed with positive electrode bus bars 5, negative electrode bus bars 6, and inter-unit cell bus bars 7 for electrically connecting the unit cells 14 in series, and lead wires for voltage detection with a connector 4 for detecting voltages of the unit cells 14.
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