Patent ID: 9029000
Filing Date: 2015-05-12
Classification: H01M,Y02E

Abstract:
1. A battery module comprising: a plurality of battery units, wherein each battery unit comprises a plurality of battery cells, a case for accommodating the plurality of battery cells, a plurality of electrode terminals, and a communication connector coupled to the battery cells and protruding out of the case, wherein the communication connector is configured for transmitting an electrical signal that indicates a temperature or a charging state of the battery cells; and a circuit substrate module mounted on the plurality of battery units and comprising a circuit substrate, wherein a plurality of circuit substrate connectors are coupled to the plurality of communication connectors on the circuit substrate, wherein the plurality of circuit substrate connectors are coupled to a single external connector that is configured to be coupled to an external device, wherein at least one thermistor line having a thermistor sensor installed at the end portion thereof and at least one balancing line having a balancing sensor installed at the end portion thereof are electrically connected to the plurality of battery cells respectively, wherein the communication connector is disposed at one side of the case, wherein the communication connector includes a connector housing unit, and a plurality of connection pins which are installed in the connector housing unit and are electrically connected to the at least one thermistor line and to the at least one balancing line wherein a bus bar is formed to electrically connect a pair of adjacent battery units, and a first end of the bus bar is connected to one electrode terminal of a first battery unit having a first polarity, and a second end of the bus bar is connected to one electrode terminal of a second battery unit having a polarity opposite to the first polarity.