Abstract: The case 20 housing a plurality of cells 100 is divided, by a circuit board 30 provided at the same sides of the cells 100, into a housing space 50 housing the cells 100 and an exhaust duct 60 for releasing a gas from the vents 8a of the cells 100 to outside the case 20. The vents 8a of the cells 100 communicate with the exhaust duct 60 through openings 30a formed in the flat plate 30. The exhaust duct 60 is divided into a first space 61 and a second space 62 by a partition 40 provided between the flat plate 30 and an external plate 21 of the case 20. The first space 61 communicates with the second space 62 through through holes 40a formed in the partition 40.

Abstract: In a battery pack, a plurality of cells are arranged, the cells each have an outlet through which gas generated in the cell is released in one direction, each two of the cells are arranged as one unit, and the each two of the cells are arranged such that directions of gas released through the outlets of the two cells are opposite to each other.

Abstract: A battery module including: a plurality of aligned cells, wherein a cooling unit accommodating a cooling agent is provided in a vicinity of the cells, part of the cooling unit is a vulnerable section having a relatively low compressive strength, and the vulnerable section is unsealed when heat is abnormally generated in at least one of the cells.

Abstract: The case 20 housing a plurality of cells 100 is divided, by a circuit board 30 provided at the same sides of the cells 100, into a housing space 50 housing the cells 100 and an exhaust duct 60 for releasing a gas from the vents 8a of the cells 100 to outside the case 20. The vents 8a of the cells 100 communicate with the exhaust duct 60 through openings 30a formed in the flat plate 30. The exhaust duct 60 is divided into a first space 61 and a second space 62 by a partition 40 provided between the flat plate 30 and an external plate 21 of the case 20. The first space 61 communicates with the second space 62 through through holes 40a formed in the partition 40.

Abstract: A battery system includes a battery module that has a plurality of batteries which are provided with release portions each for releasing internal gas when an internal pressure is increased, and an exhaust portion which is provided with an opening portion and guides gas released from the release portions to the opening portion, a non-resettable switch element which is provided at a position where the guided gas passes in a vicinity of the opening portion, and is changed from a first state preset as one of an opened state and a closed state into a second state as the other one of the opened state and the closed state when a preset reference temperature or higher is reached, and a high-temperature abnormality determination unit which determines that the battery module has an abnormality when the switch element is in the second state.

Abstract: A battery module 100 includes a plurality of cells aligned and accommodated in a case 10, wherein a positive electrode external terminal 20 and a negative electrode external terminal 21 which are connected to electrodes of the plurality of cells are disposed in parallel on a first side surface 11 of the case 10 at a predetermined interval, a pair of recessed sections 30, 31 are formed on a second side surface 12 adjacent to the first side surface 11 of the case 10 at a same interval as the predetermined interval, a first portion 51 of an L-shaped electrode piece 50 is selectively attachable to the positive electrode external terminal 20 or the negative electrode external terminal 21, and a second portion 52 of the electrode piece 50 is selectively attachable to any one of the pair of recessed sections 30, 31.

Abstract: The battery module includes: a plurality of batteries; a housing 50 in which the plurality of batteries are aligned and stored; and a cooling pipe 70 provided along the plurality of batteries in the housing 50, the cooling pipe 70 being filled with a cooling medium, wherein the cooling pipe 70 is made of a material which melts when the temperature of the battery reaches or exceeds a predetermined temperature.

Abstract: A battery module includes a plurality of battery assemblies stacked together. Each of the battery assemblies includes an insulating case which accommodates a plurality of cells. A first connection plate connects the same polarities of the cells, and a second connection plate connects polarities opposite the same polarities of the cells. The first connection plate includes a first connection terminal which protrudes in a direction opposite a direction toward the second connection plate. The second connection plate includes a second connection terminal which protrudes in a direction toward the first connection terminal. The first connection terminal protrudes outwardly of the case. The second connection terminal protrudes inwardly of the case. In the battery assemblies adjacent to each other in a stacking direction, the first connection terminal of one battery assembly and the second connection terminal of the other battery assembly are fitted to each other.

Abstract: A battery module 100 includes a plurality of batteries aligned and accommodated in a housing 20, wherein each batteries has an opening portion 17 at an electrode portion 16 of the battery to release gas generated in the battery outside the battery, the housing 20 is partitioned by a circuit board 30 disposed in contact with battery cases 5 around the electrode portions 16 of the batteries into a storage portion 54 in which the batteries are stored, and an exhaust chamber 24 via which the gas released from the opening portion 17 of the electrode portion 16 is exhausted outside the housing 20, the electrode portions 16 of the batteries are connected to a connector 32 on the circuit board 30, and the opening portions 17 of the electrode portions 16 are in communication with the exhaust chamber 24 via through holes 36 in the circuit board 30.

Abstract: A module case 23 is provided with a first outlet opening 35 and a first inlet opening 37 formed in side surfaces of the module case 23 opposite to each other. A plurality of battery modules 21 are arranged in a direction to which the first outlet opening 35 is open. The first outlet opening 35 of one of the battery modules 21 is connected to the first inlet opening 37 of an adjacent battery module 21 through a connecting member 57.

Abstract: A battery assembly 200 includes: a block 80 including housings 80a each housing cells 100; first and second connection plates 21 and 22 connecting the cells 100 in parallel; and a spacer 90 disposed between the cell 100 and the first connection plate 21. The block 80 has a pierced part 80b penetrating the block 80 along the axial direction. The spacer 90 has a hollow part 90a penetrating the spacer 90 along the axial direction. A battery module is formed by combining the battery assemblies 200 such that the pierced part 80b of one of adjacent ones of the battery assemblies 200 disposed along the stacking direction is engaged with the hollow part 90a of the other battery assembly 200. The pierced parts 80b and the hollow parts 90a of the battery assemblies 200 communicate with each other along the axial direction.

Abstract: A battery (3) includes a battery case (10) having an opening sealed with a sealing plate (13). The sealing plate (13) has a protrusion (13a) extending in a direction toward the outside of the battery case (10), and a ring-shaped insulator (32) is provided on an outer circumferential surface of the protrusion (13a). An inner circumferential portion (32e) of the insulator (32) is in contact with the outer circumferential surface (13b) of the protrusion (13a), and an outer circumferential portion (32d) of the insulator (32) is extended to be positioned on an opening end (10a) of the battery case (10).

Abstract: A battery pack 200 includes stacked battery modules 100 each including a case 30 in which a plurality of cells 10 are accommodated, and an outlet 33 which is provided to the case 30 and through which gas released from the cell 10 is released outside the case 30. The battery pack 200 is fixed to a rectangular parallelepiped framework 40 built by frame bodies each having a hollow structure, and the outlet 33 of each battery module 100 is connected to an intake port 61 provided to the framework 40. Gas released through the outlet 33 of the battery module 100 flows through a hollow section of the frame body, and is released through an exhaust port 60 provided to the framework 40 to the outside.

Abstract: An electric device 100 which has a battery pack 30 including a plurality of batteries 20 is disclosed. The electric device 100 has a holding unit 40 which accommodates at least the battery pack 30, and is capable of being carried by a user. Each of the plurality of batteries 20 included in the battery pack 30 has a release portion 8a for releasing gas generated in the battery 20 in the event of abnormal heat generation in the battery 20. The battery pack 30 is accommodated in the holding unit 40 such that the gas is released from the release portion 8a of the battery 20 in a direction away from the user when the holding unit 40 is carried by the user.

Abstract: A battery system includes a battery module that has a plurality of batteries which are provided with release portions each for releasing internal gas when an internal pressure is increased, and an exhaust portion which is provided with an opening portion and guides gas released from the release portions to the opening portion, a non-resettable switch element which is provided at a position where the guided gas passes in a vicinity of the opening portion, and is changed from a first state preset as one of an opened state and a closed state into a second state as the other one of the opened state and the closed state when a preset reference temperature or higher is reached, and a high-temperature abnormality determination unit which determines that the battery module has an abnormality when the switch element is in the second state.

Abstract: A battery module 100 includes a plurality of cells aligned and accommodated in a case 10, wherein a positive electrode external terminal 20 and a negative electrode external terminal 21 which are connected to electrodes of the plurality of cells are disposed in parallel on a first side surface 11 of the case 10 at a predetermined interval, a pair of recessed sections 30, 31 are formed on a second side surface 12 adjacent to the first side surface 11 of the case 10 at a same interval as the predetermined interval, a first portion 51 of an L-shaped electrode piece 50 is selectively attachable to the positive electrode external terminal 20 or the negative electrode external terminal 21, and a second portion 52 of the electrode piece 50 is selectively attachable to any one of the pair of recessed sections 30, 31.

Abstract: A battery block for vehicle use which includes a shock absorbing member for absorbing impact force of a crash is provided without increasing the entire size of the battery module. The battery block for vehicle use which includes an accommodation section accommodating a plurality of cells serving as secondary batteries, and an exhaust passage including space allowing a flow of gas generated from at least one of the cells includes a shock absorbing member, wherein when impact of a vehicle crash is exerted on the battery block, the shock absorbing member deforms to reduce the space of the exhaust passage so as to absorb the impact.

Abstract: A battery pack includes: a plurality of cells which are lithium ion secondary batteries; an exhaust passage section which is adjacent to the cells and allows a flow of gas generated from at least one of the cells; a case accommodating the plurality of cells and the exhaust passage section; and a gas release duct 42 which is attached to the case and through which the gas having flowed through the exhaust passage section is released outside, wherein the gas release duct is hermetically closed with a lid 51 which is made of a waterproof member and is arranged at an exit 44 or on a release path of the gas release duct, an opening member 61 configured to open the lid to open the gas release duct is further provided, and the opening member is operated by the gas generated from the cell.

Abstract: A battery module including: a plurality of aligned cells, wherein a cooling unit accommodating a cooling agent is provided in a vicinity of the cells, part of the cooling unit is a vulnerable section having a relatively low compressive strength, and the vulnerable section is unsealed when heat is abnormally generated in at least one of the cells.

Abstract: A battery module is provided in which a signal line is prevented from the influence of noise caused by an internal current output line. A battery module includes: a plurality of cells 100; a current conduction member 34 electrically connecting electrode terminals of the plurality of cells; and a signal line 50 configured to measure capacitance of the plurality of cells, wherein the current conduction member includes a parallel section including two members which are opposite in direction of a current flowing therethrough and are arranged substantially parallel to each other, and a connection section electrically connecting the two members at one end of the parallel section, and the signal line is arranged nearly equidistant from the two members, and extends substantially parallel to the two members to approach the connection section.