Abstract: A stack, an electrical device, and an external terminal are disposed such that the electrical device is located between the stack and the external terminal along a second direction orthogonal to a first direction, a fastening portion that fastens a housing of the electrical device and a case is provided, and the fastening portion is configured to absorb a relative error between the stack and the external terminal in the second direction.

Abstract: A battery pack includes: a stack including a plurality of battery cells arranged side by side in a first direction; a case that has a side wall facing the stack in the first direction and that accommodates the stack; a bus bar module including a bus bar and a plate member, the bus bar being disposed on the stack, the bus bar electrically connecting the plurality of battery cells, the plate member accommodating the bus bar; an electrical device arranged side by side with the stack along a second direction orthogonal to the first direction; and a substrate unit at least partially disposed on the bus bar module and including a substrate electrically connected to the stack, wherein the bus bar module has a positioning mechanism for the substrate unit, and the substrate unit is fastened to the electrical device.

Abstract: A first stack includes a plurality of first battery cells arranged in a first direction. A plate-like first conductive member electrically connects the first stack and a second stack. A plate-like second conductive member electrically connects a third stack and an electrical apparatus. A case includes a pair of side walls supporting the first stack, the second stack, and the third stack from both sides in the first direction. The electrical apparatus, the first stack, the second stack, and the third stack are arranged in this order in a second direction orthogonal to the first direction. The first conductive member and the second conductive member overlap each other in a third direction orthogonal to the first direction and the second direction.

Abstract: Each of a first battery cell and a second battery cell included in a battery pack includes an electrode terminal, a first bus bar includes a connection portion having a strip shape, the connection portion having both sides parallel to each other and each extending in an X axis direction, and the connection portion is provided with a through hole used for joining to the electrode terminal by welding, the through hole has a hexagonal shape formed by sequentially connecting a first corner portion, a second corner portion, a third corner portion, a fourth corner portion, a fifth corner portion, and a sixth corner portion, and an imaginary straight line connecting the first corner portion and the fourth corner portion is perpendicular to each of the both sides.

Abstract: A power storage module includes: a stack in which a plurality of power storage cells are stacked in a stacking direction; a resin plate having a bottom surface portion and placed on the stack of the plurality of power storage cells; a flexible printed circuit board placed on the bottom surface portion of the resin plate and having an electric circuit electrically connected to the plurality of power storage cells; a connector for the electric circuit, the connector being fixed to the flexible printed circuit board; and a substrate that supports the flexible printed circuit board and the connector, the substrate being fixed to the resin plate with the substrate being positioned in an extending direction of the bottom surface portion of the resin plate.

Abstract: A power storage module includes: a stack in which a plurality of power storage cells are stacked in a stacking direction; a resin plate placed on the stack of the plurality of power storage cells; a flexible printed circuit board placed on the resin plate and having an electric circuit electrically connected to the plurality of power storage cells; and a cover member provided on the resin plate so as to cover the flexible printed circuit board. The resin plate includes a projection that extends through the flexible printed circuit board. The cover member includes a tubular protrusion that protrudes toward the flexible printed circuit board on the resin plate. The projection is accommodated in an inner periphery of the tubular protrusion. The tubular protrusion is in abutment with the flexible printed circuit board at a position to avoid the electric circuit.

Abstract: Each plate unit is disposed corresponding to one battery or to an assembly of several batteries and has terminal openings, through which output terminals provided on corresponding battery are exposed, and coupling mechanism that couples adjacent plate units to each other. Coupling mechanism is made up of male part disposed on one of two adjacent plate units, and female part that is disposed on the other and to which male part is fitted. Male part and female part are fitted to each other across a gap that allows a predetermined amount of displacement of two coupled plate units in stacking direction of batteries.

Abstract: A battery pack includes: a stack including a plurality of battery cells arranged side by side in a first direction; a case that has a side wall facing the stack in the first direction and that accommodates the stack; and a bus bar module disposed on the stack, the bus bar module including a bus bar that electrically connects the plurality of battery cells and a plate member that accommodates the bus bar, wherein the plate member has a first positioning mechanism that positions the bus bar module in the first direction by biasing the side wall of the case.

Abstract: At least one of a first bus bar module and a second bus bar module has a protrusion that protrudes toward the other of the first bus bar module and the second bus bar module, the protrusion hindering incorrect assembling of the first bus bar module or the second bus bar module by interference, the protrusion causing no interference when the first bus bar module and the second bus bar module are correctly assembled.

Abstract: A plate member has a wall portion defining a space for installing each of a plurality of bus bars adjacent to each other in a stacking direction (first direction) of battery cells, the wall portion has a first portion and a second portion each extending in a second direction orthogonal to the first direction, and a third portion that connects the first portion and the second portion, the first portion and the second portion are located at positions separated from each other in the first direction, the third portion extends in the first direction, and the wall portion further includes ribs that protrude from the wall portion to both sides in the first direction and that position, in the first direction, the plurality of bus bars adjacent to each other.

Abstract: At least one of a first bus bar module and a second bus bar module has a positioning mechanism that is inserted between a first stack and a second stack and that positions the first bus bar module or the second bus bar module in a direction (second direction) orthogonal to a stacking direction (first direction) of battery cells.

Abstract: A flexible printed circuit board is placed on a bottom surface portion and has an electric circuit electrically connected to a plurality of power storage cells. A connection terminal is provided on the flexible printed circuit board and is electrically connected to an electrode terminal. The flexible printed circuit board has a main body portion, and a connection piece portion that extends from the main body portion and is curved so as to be connected to the connection terminal. The connection piece portion includes a first straight portion extending straightly in a stacking direction of the power storage cells, and a second straight portion extending in parallel with the first straight portion with a gap being interposed between second straight portion and the first straight portion. The second straight portion is longer than the first straight portion.

Abstract: A plate member is provided with a gas exhaust port, an opening, and a wall portion. The opening is formed in a bottom surface portion at a position facing an electrode terminal. The wall portion protrudes from the bottom surface portion at positions on outer sides with respect to the gas exhaust port in a width direction of the plate member, and discontinuously extends in a stacking direction of power storage cells. A flexible printed circuit board has a main body portion, and a connection piece portion that extends from the main body portion and is curved so as to be connected to a connection terminal. A first gap is formed between the main body portion and the connection piece portion. A first auxiliary wall portion is provided in the first gap, the first auxiliary wall portion protruding from the bottom surface portion and extending in the stacking direction.

Abstract: A method for generating color conversion information including providing a user with color sample information for determining a color sample of which color characteristic information is known, receiving, from the user, an image including the color sample determined by the color sample information in a lighting environment, and generating color conversion information which corresponds to the lighting environment and is correlated with the user, based on the image and the color characteristic information of the color sample determined by the color sample information. The color conversion information converts between color information and color characteristic information, the color information is information which corresponds to a lighting environment and indicates colors of an object in the lighting environment, and the color characteristic information indicates color characteristics of the object.

Abstract: Provided is a voltage detection line including conductive wire and insulating film covering conductive wire, and detecting voltage of a battery in order to suppress reconduction of a disconnected voltage detection line. Conductive wire includes low-resistance part having a predetermined electrical resistance value, and high-resistance part having a higher electrical resistance value than an electrical resistance value of low-resistance part and fusing when an overcurrent flows through conductive wire. Insulating film includes high-strength part that covers low-resistance part and has a predetermined strength, and low-strength part that covers high-resistance part and has a strength lower than a strength of high-strength part.

Abstract: An electric device includes: a housing composed of a metal; an electric component provided to be separated from the housing; and a bus bar connected to the electric component. The bus bar includes a first portion connected to the electric component, and a second portion provided at a position close to the housing with respect to the first portion. A heat transfer portion having an insulating property and a thermal conductivity higher than a thermal conductivity of air is provided between the second portion of the bus bar and the housing.

Abstract: A power supply device including a plurality of battery cells electrically connected with each other by bus bar. The power supply device has a structure where bus bar includes: rod having conductivity and extending in an arrangement direction of the battery cells; and arm being elastically deformable and being connected to rod, arm is configured such that distal end of arm is welded to an electrode terminal of the battery cell, and rear end of arm is connected to rod so as to electrically connect the plurality of battery cells to each other via the rod, arm is formed of a conductive plate that is elastically deformable, deformation gap extending from rear end toward a distal end is formed between arm and rod, and arm is elastically deformable so as to displace distal end to be welded to the electrode terminal.

Abstract: A flexible printed board has deflection with the flexible printed board and a control board being connected to each other. A positioning portion for the flexible printed board on a plate member is provided. The positioning portion is provided with a protrusion provided in the plate member and a hole provided in the flexible printed board. The flexible printed board is positioned by a side surface of the hole being pressed against the protrusion due to the deflection of the flexible printed board. The protrusion includes a columnar portion that extends substantially vertically from a main surface of the plate member, and a projection that projects from the columnar portion in a direction intersecting the columnar portion.

Abstract: A control board of a battery module has a connector portion, and a flexible printed board has a connection portion. The flexible printed board and the control board are electrically connected to each other when the connection portion is connected to the connector portion. In a state in which the connection portion is not connected to the connector portion, at least a portion of the connection portion of the flexible printed board is located between the control board and the plate member at a region overlapping with the control board when viewed from a first side. The flexible printed board further has a tab that is provided in a vicinity of the connection portion and that protrudes from the region overlapping with the control board.

Abstract: A battery module includes: a plurality of battery cells arranged in a first direction; a plate member provided on a first side of the plurality of battery cells; and a flexible printed board and a control board each provided on the plate member, wherein the flexible printed board has a wiring electrically connected to the control board, and at least a portion of the wiring of the flexible printed board is located between the control board and at least one of the battery cells at a region overlapping with the control board when viewed from the first side.