Lg Energy Solution, Ltd.

Sung Tack Hwang

Won Tae Lee

Jin Woo Park

Jae Hyuk Cha

Chang Bok Lee

Disclosed are a connection member configured to perform electrical connection between electrode leads, wherein the connection member includes a pair of a first connection member and a second connection member, one of the first connection member and the second connection member is provided with a fixing portion configured to perform connection therebetween, the other of the first connection member and the second connection member is provided with a catching portion configured to allow the fixing portion to be fastened thereto, the electrode leads are physically coupled to each other without welding, and a process of excessively bending the electrode leads so as to be coupled to bus bars is omitted, whereby it is possible to improve safety of the electrode leads, and a battery cell stack including the same.

Connection member connected to electrode leads by physical coupling and battery cell stack including the same

The present invention relates to a battery disconnect unit including a fuse connected to a battery pack, the fuse being configured to interrupt overcurrent of the battery pack, at least one sensor configured to measure voltage or current of the battery pack, at least one relay configured to connect or disconnect the battery pack and the load to or from each other based on a value of the voltage or the current measured by the sensor, a housing configured to allow the fuse, the sensor, and the relay to be mounted therein, and a moving plate configured to fix the relay and the sensor to the housing, the position of the moving plate being changeable depending on sizes of the relay and the sensor.

Battery disconnect unit including moving plate

A battery current measuring device includes a switching element configured to control charging and discharging of a battery, an A/D converter configured to convert a voltage value across the switching element into a digital value, a temperature compensation unit having a diode structure capable of compensating for a resistance change according to a change of temperature of the switching element, and a current calculation unit configured to calculate a current flowing through the switching element based on the digital value of the voltage value, and the A/D converter converts the voltage value of the switching element into the digital value using a reference voltage inputted from the temperature compensation unit.

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Daejeon, South Korea

Sung Tack Hwang