BATTERY MODULE AND BATTERY PACK COMPRISING SAME
First Claim
1. A battery module, comprising:
- a cell assembly in which a plurality of secondary batteries, each having a plate-shaped electrode lead protruding in a horizontally laid state, are stacked in a vertical direction; and
a sensing assembly for sensing voltages of the secondary batteries, the sensing assembly including a plurality of sensing plates made of an electrical conductive material with a horizontally laid plate shape and having one end welded in face-to-face contact with the electrode lead, and a connector electrically connected to the other end of the sensing plates to transmit a sensed voltage.
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Accused Products
Abstract
Disclosed is a battery module having a new voltage detection structure with respect to a plurality of secondary batteries included in a cell assembly. The battery module includes a cell assembly in which a plurality of secondary batteries, each having a plate-shaped electrode lead protruding in a horizontally laid state, are stacked in a vertical direction; and a sensing assembly for sensing voltages of the secondary batteries, the sensing assembly including a plurality of sensing plates made of an electrical conductive material with a horizontally laid plate shape and having one end welded in face-to-face contact with the electrode lead, and a connector electrically connected to the other end of the sensing plates to transmit a sensed voltage.
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Citations
18 Claims
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1. A battery module, comprising:
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a cell assembly in which a plurality of secondary batteries, each having a plate-shaped electrode lead protruding in a horizontally laid state, are stacked in a vertical direction; and a sensing assembly for sensing voltages of the secondary batteries, the sensing assembly including a plurality of sensing plates made of an electrical conductive material with a horizontally laid plate shape and having one end welded in face-to-face contact with the electrode lead, and a connector electrically connected to the other end of the sensing plates to transmit a sensed voltage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A sensing assembly, which is connected to a cell assembly in which a plurality of secondary batteries, each having a plate-shaped electrode lead protruding in a horizontally laid state, are stacked in a vertical direction, for sensing voltages of the secondary batteries, the sensing assembly comprising:
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a plurality of sensing plates made of an electrical conductive material with a horizontally laid plate shape and having one end welded in face-to-face contact with the electrode lead; and a connector electrically connected to the other end of the sensing plates to transmit the sensed voltages of the secondary batteries.
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18. A method for manufacturing a battery module, which includes a cell assembly in which a plurality of secondary batteries, each having a plate-shaped electrode lead protruding in a horizontally laid state, are stacked in a vertical direction, and a sensing assembly having a sensing plate and a connector, the method comprising:
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overlapping two electrode leads among the electrode leads and allowing the overlapped two electrode leads to come into surface contact with the sensing plate; and performing ultrasonic welding to the two overlapped electrode leads and the sensing plate.
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Specification