In a battery module including a plurality of battery blocks, the battery block is configured such that a plurality of assembled batteries each of which is formed of the plurality of batteries are arranged in parallel. The battery has a positive-electrode terminal and a negative electrode terminal on one end portion of the battery. The assembled battery includes a positive electrode bus bar for connecting the plurality of batteries in parallel and a negative electrode bus bar for connecting the plurality of batteries in parallel, which are disposed on one end portions of the batteries. On a boundary portion between the battery blocks, the positive electrode bus bars of the respective assembled batteries of one battery block and the negative electrode bus bars of the respective assembled batteries of the other battery block are respectively connected to each other in series by an inter-block connecting bus bar.

A cell module assembly includes a first frame having a first plurality of pockets, a second frame spaced apart from the first frame and having a second plurality of pockets, a plurality of lithium-ion battery cells coupled to and extending between the second frame and the first frame, a first collector plate electrically connected to the plurality of lithium-ion battery cells and coupled to the first frame by a first curable adhesive, and a second collector plate electrically connected to the plurality of lithium-ion battery cells and coupled to the second frame by a second curable adhesive. Each one of the plurality of lithium-ion battery cells is received within a respective one of the first plurality of pockets and a respective one of the second plurality of pockets.

A method for controlling a power supply system 30 of a vehicle 10 that includes: a first step of permitting or prohibiting, based on a combination of normality and abnormality of the respective energy storage apparatuses 50, each of the energy storage apparatuses 50 to cut off supply of current such that the current cut-off device 53 of at least one of the energy storage apparatuses is brought into an energized state; and a second step of bringing the current cut-off device 53 into a cut-off state when a BMU 100 of the energy storage apparatus 50 that is permitted to cut off the current detects an abnormality of the energy storage apparatus 50 at a point of time that the cut-off of the supply of current is permitted, or when the BMU 100 detects an abnormality of the energy storage apparatus 50 after the cut-off of the supply of current is permitted.

A method for controlling a power supply system 30 of a vehicle 10 that includes: a first step of permitting or prohibiting, based on a combination of normality and abnormality of the respective energy storage apparatuses 50, each of the energy storage apparatuses 50 to cut off supply of current such that the current cut-off device 53 of at least one of the energy storage apparatuses is brought into an energized state; and a second step of bringing the current cut-off device 53 into a cut-off state when a BMU 100 of the energy storage apparatus 50 that is permitted to cut off the current detects an abnormality of the energy storage apparatus 50 at a point of time that the cut-off of the supply of current is permitted, or when the BMU 100 detects an abnormality of the energy storage apparatus 50 after the cut-off of the supply of current is permitted.

The present invention relates to a pouch-shaped secondary battery with improved safety including a gas pocket disposed on an electrode lead and a current sensing portion configured to move in response to expansion of the gas pocket. The pouch-shaped secondary battery may be capable of indicating the extent of gas in a receiving portion of the case in advance. A battery module may include the pouch-shaped secondary battery.

The present invention relates to a pouch-shaped secondary battery with improved safety including a gas pocket disposed on an electrode lead and a current sensing portion configured to move in response to expansion of the gas pocket. The pouch-shaped secondary battery may be capable of indicating the extent of gas in a receiving portion of the case in advance. A battery module may include the pouch-shaped secondary battery.

In a battery module, end plates disposed at both ends of battery stack are connected by binding bars. Electrode terminals of respective battery cells and voltage detection circuit of electronic circuit block are connected by a plurality of voltage detection lines. Electronic circuit block is disposed on an outer surface of end plate and fixes one connector formed by linearly disposing a plurality of connecting terminals to which voltage detection lines are connected to circuit board on which voltage detection circuit is mounted. Voltage detection circuit is provided with a plurality of input terminals arranged in a linear manner. In circuit board, connecting terminal and input terminal disposed at opposite positions are connected by a plurality of connection lines. A cell voltage of each battery cell is input from connection line to adjacent input terminals.

In a battery module, end plates disposed at both ends of battery stack are connected by binding bars. Electrode terminals of respective battery cells and voltage detection circuit of electronic circuit block are connected by a plurality of voltage detection lines. Electronic circuit block is disposed on an outer surface of end plate and fixes one connector formed by linearly disposing a plurality of connecting terminals to which voltage detection lines are connected to circuit board on which voltage detection circuit is mounted. Voltage detection circuit is provided with a plurality of input terminals arranged in a linear manner. In circuit board, connecting terminal and input terminal disposed at opposite positions are connected by a plurality of connection lines. A cell voltage of each battery cell is input from connection line to adjacent input terminals.

Battery module includes: a battery stack in which a plurality of batteries provided with a valve that ejects gas are stacked in a first direction; a discharge path that discharges gas ejected from the valve in a second direction intersecting the first direction; light emitter that is provided on one end in the first direction of the battery stack and emits light to the discharge path; and light receiver that is provided on another end in the first direction of the battery stack and receives the light emitted from light emitter.

Battery module includes: a battery stack in which a plurality of batteries provided with a valve that ejects gas are stacked in a first direction; a discharge path that discharges gas ejected from the valve in a second direction intersecting the first direction; light emitter that is provided on one end in the first direction of the battery stack and emits light to the discharge path; and light receiver that is provided on another end in the first direction of the battery stack and receives the light emitted from light emitter.