JP2023156919A - Plate for battery stack and conductive module - Google Patents

Abstract

To provide a plate for a battery stack which can inhibit misalignment of a conductive plate relative to a housing, and to provide a conductive module including the plate for the battery stack.SOLUTION: In a plate-like housing 54, a fitting groove 541 for fitting with a flange part 41 of each of conductive plates 4 respectively disposed between multiple power storage modules 2 stacked is recessed. An engagement projection 546 is provided in the fitting groove 541 and engages with an engagement hole 43 provided at the flange part 41 of the conductive plate 4 to restrict movement of the conductive plate 4 in a left direction.SELECTED DRAWING: Figure 4

Description

The present invention relates to a battery stack plate and a conductive module.

Various power storage devices have been proposed in the past. For example, the power storage device disclosed in Patent Document 1 includes a plurality of stacked power storage modules and a plurality of plate-like members (conductive modules) disposed between the power storage modules. ). The plurality of power storage modules and the plurality of plate-like members are arranged between a pair of insulating plates and subjected to a restraining force by a restraining device, thereby forming a laminate (battery stack) formed into a substantially rectangular parallelepiped shape. .

The plate member includes a cooling plate (conductive plate) and an insulating portion (housing). A cooling plate is arranged between the insulating parts.

JP2020-198211A

A conventional plate member has a structure in which both sides of a cooling plate in the length direction are sandwiched between insulating members. Therefore, there was a problem in that the cooling plate moved relative to the insulating member.

The present invention has been made in view of the above-mentioned circumstances, and its purpose is to provide a battery stack plate that can suppress misalignment of the conductive plate with respect to the housing, and a conductive module equipped with the battery stack plate. It is in.

In order to achieve the above object, the battery stack plate according to the present invention has the following features.
A plate-shaped housing is provided in which a fitting groove for fitting into a side edge of a conductive plate disposed between a plurality of stacked power storage modules is recessed in a side surface of the plate,
The housing is provided in the fitting groove and is locked to a locked portion provided on the side edge of the conductive plate to restrict movement of the conductive plate in the unfitting direction. has a locking part to
Must be a battery stack plate.

In order to achieve the above-mentioned object, the conductive module according to the present invention has the following features.
The above battery stack plate,
A conductive module comprising the above-mentioned conductive plate.

According to the battery stack plate and conductive module according to the present invention, it is possible to suppress misalignment of the conductive plate with respect to the housing.

The present invention has been briefly described above. Furthermore, the details of the present invention will be further clarified by reading the mode for carrying out the invention (hereinafter referred to as "embodiment") described below with reference to the accompanying drawings. .

FIG. 1 is a partially exploded perspective view showing a stacked battery stack including a voltage detection unit and an opposing unit as a battery stack plate according to an embodiment of the present invention. FIG. 2 is an exploded perspective view of the conductive module shown in FIG. 1. FIG. 3 is an exploded perspective view of the voltage detection unit shown in FIG. 2. FIG. 4 is a partial cross-sectional view taken along line AA in FIG. FIG. 5 is a partially enlarged perspective view of a housing that constitutes the voltage detection unit shown in FIG. 2. FIG.

DESCRIPTION OF THE PREFERRED EMBODIMENTS A stacked battery stack including a voltage detection unit and an opposing unit as a battery stack plate according to an embodiment of the present invention will be described below with reference to the drawings.

Hereinafter, for convenience of explanation, as shown in FIG. ), ``Left (L),'' ``Right (R),'' ``Upper (U),'' and ``Down (D)''. , are orthogonal to each other.

A conductive module 3 equipped with a voltage detection unit and a counter unit as a battery stack plate is typically used in a stacked battery stack 1 shown in FIG. 1 . The battery stack 1 is made by vertically stacking rectangular thin plate-shaped chargeable/dischargeable electricity storage modules 2 and rectangular thin plate-shaped conductive modules 3 that can electrically connect adjacent electricity storage modules 2. configured. In the battery stack 1, a plurality of power storage modules 2 are electrically connected in series via conductive modules 3. The power storage module 2 has a structure in which a plurality of battery cells (not shown) are built in, and the power storage module 2 as a whole functions as one chargeable and dischargeable battery.

As shown in FIG. 1, the conductive module 3 includes a rectangular thin plate-like conductive plate 4 (the conductive plate 4 also functions as a heat sink, as described later), and a right side of the conductive plate 4. A voltage detection unit 5 as a rectangular thin plate for battery stack connected to the conductive plate 4 and a counter unit 6 as a rectangular thin plate for battery stack connected to the left side of the conductive plate 4 form a rectangular thin plate as a whole. It is configured to have a shape of . The voltage detection unit 5 and the opposing unit 6 are connected with a conductive plate 4 interposed therebetween.

In this specification, the thickness direction of the plate-shaped conductive plate 4, the voltage detection unit 5, and the opposing unit 6 is the up-down direction, the longitudinal direction is the front-back direction, and the lateral direction is the left-right direction.

Further, as shown in FIG. 2, the conductive plate 4 and the voltage detection unit 5 are composed of a flange portion (side edge portion) 41 provided on the right side edge of the conductive plate 4 and extending in the front-rear direction, and a voltage detection unit. They are connected to each other by fitting into a fitting groove 541 recessed in the side surface of the left plate of No. 5 and extending in the front-rear direction. The conductive plate 4 and the facing unit 6 have a flange portion 42 provided on the left side edge of the conductive plate 4 that extends in the front-back direction, and a fitting portion 42 that extends in the front-back direction and is recessed in the right side surface of the facing unit 6. They are connected to each other by fitting into the grooves 61.

The fitting groove 541 provided in the voltage detection unit 5 is opened on the left side, and the flange portion 41 is inserted into the fitting groove 541 from this opening. Then, the flange portion 41 is moved toward the right, and the fitting groove 541 and the flange portion 41 are fitted into each other. That is, in the voltage detection unit 5, the right direction is the fitting direction, and the left direction is the unfitting direction. Further, the fitting groove 61 provided in the facing unit 6 is opened on the right side, and the flange portion 42 is inserted into the fitting groove 61 from this opening. Then, the flange portion 42 is moved leftward to fit the fitting groove 61 and the flange portion 42 together. That is, in the opposing unit 6, the left direction is the fitting direction, and the right direction is the unfitting direction.

In each conductive module 3 located between vertically adjacent power storage modules 2, the conductive plate 4 is in direct contact with the upper and lower power storage modules 2, as shown in FIG. Therefore, the conductive plate 4 has the function of providing electrical continuity between the lower surface of the upper power storage module 2 and the upper surface of the lower power storage module 2, and also functions as a heat sink that releases heat generated from the upper and lower power storage modules 2 to the outside. fulfill a function.

In each conductive module 3 located between vertically adjacent power storage modules 2, the voltage detection unit 5 includes a voltage detection terminal 52 (see FIG. 3, etc.), which will be described later, and which contacts the conductive plate 4. The voltage detection unit 5 functions to output a signal indicating the voltage of the power storage module 2 via an electric wire 53 (see FIG. 3, etc.) connected to the voltage detection terminal 52.

In each conductive module 3 located between vertically adjacent power storage modules 2, either a dummy unit or a temperature detection unit is applied as the opposing unit 6, depending on the specifications of the battery stack 1. be done.

When a dummy unit is used, a simple resin plate (housing) having a fitting groove 61 extending in the front-rear direction is used as the opposing unit 6, as shown in FIG. In this case, the facing unit 6 only functions to fill the gap between the upper and lower power storage modules 2.

When a temperature detection unit is applied, as shown in FIG. 1, a structure in which a temperature sensor (thermistor) 7 is incorporated in a resin plate (housing) used as a dummy unit is used as the opposing unit 6. . In this case, the opposing unit 6 functions to output a signal indicating the temperature of the upper and lower power storage modules via the electric wire 8 (see FIG. 1) connected to the temperature sensor 7.

Next, a specific configuration of the voltage detection unit 5 according to the embodiment of the present invention will be described with reference to FIGS. 3 to 5. As shown in FIG. 3, the voltage detection unit 5 includes a housing 54, a voltage detection terminal 52 housed in the housing 54, an electric wire 53 connected to the voltage detection terminal 52 and housed in the housing 54, and a voltage detection terminal 52 housed in the housing 54. A cover 55 to be attached is provided.

The housing 54 is made of a resin plate that is elongated in the front-rear direction, and has the above-mentioned fitting groove 541, a terminal accommodating recess 542, a wire accommodating recess 543, and an outlet 544. The fitting groove 541 is provided in the left side plate portion of the housing 54. The terminal accommodating recess 542 is a recess for accommodating the voltage detection terminal 52, and is recessed in the upper surface of the resin plate. The electric wire accommodating recess 543 is a recess for accommodating the electric wire 53, and is recessed in the upper surface of the resin plate. In this embodiment, the outlet 544 is provided on the rear end surface of the housing 54, and the electric wire 53 is pulled out from the rear end of the housing 54.

The metal voltage detection terminal 52 is formed by performing processing such as press working on a single metal plate. The voltage detection terminal 52 is fitted into and accommodated in the terminal accommodation recess 542 of the housing 54 from above. As shown in FIG. 3, the voltage detection terminal 52 is provided in an L-shape when viewed from above. The housing 54 is provided with a notch 545 that is partially cut out so that the conductive connection portion 521 with the conductive plate 4 at the voltage detection terminal 52 is exposed from below. As a result, when the fitting groove 541 provided in the housing 54 and the flange portion 41 provided in the conductive plate 4 are fitted, the conductive connection portion 521 of the voltage detection terminal 52 accommodated in the housing 54 and the conductive The plate 4 overlaps and contacts in the vertical direction. The voltage detection terminal 52 and the conductive plate 4 are electrically connected by making an ultrasonic connection or the like with this conduction connection portion 521 .

The cover 55 is a resin molded product and is attached to the housing 54 from the right side. The cover 55 functions to cover and protect the voltage detection terminal 52 accommodated in the terminal accommodation recess 542 and the electric wire 53 accommodated in the wire accommodation recess 543 from above.

Next, the locking structure between the housing 54 and the conductive plate 4, which is a feature of this embodiment, will be explained. As shown in FIGS. 4 and 5, a locking protrusion 546 as a locking portion that locks onto the conductive plate 4 is provided in the fitting groove 541 of the housing 54. As shown in FIG. 5, the locking protrusion 546 is provided to protrude in the vertical direction from one of the pair of vertically opposing inner wall surfaces S1, S1 of the fitting groove 541. The left end of the locking protrusion 546 is provided with a tapered surface 546A whose height decreases toward the left.

As shown in FIG. 2, the flange portions 41 and 42 of the conductive plate 4 are provided with a locking hole 43 as a locked portion that penetrates in the vertical direction. The locking hole 43 is provided in a substantially rectangular shape when viewed from above. The width of the locking hole 43 in the left-right direction is approximately the same as or slightly larger than the width of the locking protrusion 546 in the left-right direction. The width of the locking hole 43 in the front-rear direction is approximately the same as or slightly larger than the width of the locking protrusion 546 in the front-rear direction.

According to the above configuration, when the flange portion 41 is inserted through the left opening of the fitting groove 541, the tip of the flange portion 41 reaches the tapered surface 546A of the locking protrusion 546. Furthermore, when the flange portion 41 is inserted, the fitting groove 541 is deformed so that the distance between the pair of inner wall surfaces S1, S1 becomes greater along the tapered surface 546A. Further, when the flange portion 41 is inserted, the locking protrusion 546 is inserted into the locking hole 43, and the fitting groove 541 is restored. At this time, the right inner wall surface of the locking hole 43 and the right end surface of the locking protrusion 546 are locked to restrict leftward movement of the conductive plate 4. The right end surface of the locking protrusion 546 is constituted by a vertical surface perpendicular to the left-right direction. Further, the front inner wall surface and rear inner wall surface of the locking hole 43 and the front end surface and rear end surface of the locking protrusion 546 are locked to restrict movement of the conductive plate 4 in the front-back direction. The front and rear end surfaces of the locking protrusion 546 are vertical surfaces perpendicular to the front-rear direction. Further, since the flange portion 41 of the conductive plate 4 is vertically sandwiched between the pair of inner wall surfaces S1, S1 of the fitting groove 541, movement in the vertical direction is also restricted.

Moreover, in this embodiment, as shown in FIG. 2, three locking holes 43 are provided in line in the front-rear direction of the flange portion 41. Three locking protrusions 546 that are locked in these locking holes 43 are also arranged in the front-rear direction. In this embodiment, the rearmost locking protrusion 546 in the front-rear direction protrudes from the lower inner wall surface S1 (see FIG. 5), and the middle, frontmost locking protrusion 546 protrudes from the upper inner wall surface S1. It protrudes from the wall surface S1.

Further, in this embodiment, the rearmost locking protrusion 546 in the front-rear direction is provided on the rear side of the notch 545 for exposing the conductive connection portion 521 of the voltage detection terminal 52. The middle, frontmost locking protrusion 546 is provided on the front side of the notch 545. Therefore, the conductive connection portion 521 of the voltage detection terminal 52 is arranged at a position sandwiched between the locking projections 546 and the locking projections 546.

Furthermore, in this embodiment, as shown in FIG. 5, the housing 54 includes a pair of protective ribs 547, 547 protruding from one of the pair of inner wall surfaces S1, S1, and a pair of protective ribs 547, 547 protruding from one of the pair of inner wall surfaces S1, S1. A pair of protective ribs 548, 548 are provided in a protruding manner. The pair of protective ribs 547, 547, 548, 548 are provided side by side in the front-rear direction and extended in the left-right direction. A pair of protective ribs 547, 547, 548, 548 are provided at positions sandwiching the locking protrusion 546 between them. A pair of protective ribs 547, 547 and a pair of protective ribs 548, 548 are provided for each of the three locking protrusions 546, and are provided in three pairs.

Further, the flange portion 42 of the conductive plate 4 is also provided with a locking hole 43 . There are also three locking holes 43 in the flange portion 42 arranged in the front-rear direction. The resin plate (housing) of the opposing unit 6 is also provided with a locking projection (not shown) similar to the locking projection 546 that locks into the locking hole 43 provided in the flange portion 42 . As a result, when the flange portion 42 of the conductive plate 4 is fitted into the fitting groove 61 of the facing unit 6, it is locked with the locking hole 43 and the locking protrusion (not shown).

According to the embodiment described above, the housing 54 of the voltage detection unit 5 is provided in the fitting groove 541 and is engaged with the locking hole 43 provided in the flange portion 41 of the conductive plate 4, so that the conductive plate 4 has a locking protrusion 546 that restricts movement in the left direction (in the unfitting direction). Thereby, it is possible to suppress leftward displacement of the conductive plate 4 with respect to the housing 54, and a stable function as a heat sink can be ensured.

According to the embodiment described above, the locking protrusion 546 and the locking hole 43 are provided so as to restrict movement of the conductive plate 4 in the front-rear direction within the fitting groove 541. Thereby, displacement of the conductive plate 4 in the front-rear direction with respect to the housing 54 can be suppressed, and a more stable function as a heat sink can be ensured.

According to the embodiment described above, the housing 54 of the voltage detection unit 5 includes a terminal accommodating recess 542 in which the voltage detection terminal 52 is accommodated, a wire accommodating recess 543 in which the electric wire 53 is accommodated, and a terminal accommodating recess 543 in which the electric wire 53 is placed outside the housing 54. It has a drawer opening 544 for pulling out. Thereby, it is possible to suppress misalignment of the conductive plate 4 with respect to the housing 54 of the voltage detection unit 5, and a stable voltage detection function can be ensured.

According to the embodiment described above, a plurality of locking protrusions 546 (three in this embodiment) are provided side by side in the front-rear direction, and the locking protrusions 546 are provided at the conductive connection portion 521 between the flange portion 41 of the conductive plate 4 and the voltage detection terminal 52. is provided at a position sandwiched between the locking protrusions 546 and the locking protrusions 546 . Thereby, it is possible to suppress misalignment of the conductive plate 4 around the conductive connection portion 521, and it is possible to ensure a more stable voltage detection function.

According to the embodiment described above, the inner wall surfaces S1, S1 of the housing 54 are provided with a pair of protective ribs 547, 547, 548, 548. Thereby, the flange portion 41 can be press-fitted into the fitting groove 541. Furthermore, the locking protrusion 546 is provided at a position sandwiched between a pair of protective ribs 547, 547. Further, the locking protrusion 546 is provided at a position sandwiched between a pair of protective ribs 548 and 659. Thereby, the movement of the conductive plate 4 can be further restricted by the locking protrusion 546, and a more stable voltage detection function can be ensured.

In the embodiment described above, the locked portion of the conductive plate 4 is constituted by the locking hole 43, and the locking portion of the voltage detection unit 5 is constituted by the locking protrusion 546 inserted into the locking hole 43. ing. Thereby, the locking holes 43 can be formed in the metal conductive plate 4 by punching after extrusion molding in the front-rear direction, and the locking portion can be easily provided in the conductive plate 4.

Note that the present invention is not limited to the embodiments described above, and can be modified, improved, etc. as appropriate. In addition, the material, shape, size, number, arrangement location, etc. of each component in the above-described embodiments are arbitrary as long as the present invention can be achieved, and are not limited.

In the embodiment described above, the voltage detection unit is disposed on the right side of the conductive plate 4, but the present invention is not limited to this. The above-described dummy unit or temperature sensor unit may be provided on the right side of the conductive plate 4, and the dummy unit or temperature sensor unit may be engaged with the conductive plate 4.

According to the embodiment described above, the locking protrusion 546 was provided so as to restrict movement of the conductive plate 4 in the leftward direction and the front-back direction, but the present invention is not limited thereto. Since the conductive plate moves more easily in the left direction than in the front-rear direction, the locking protrusion 546 is provided in a shape extending in the front-rear direction, and the conductive plate 4 is provided with a locking recess extending in the front-rear direction. It may be provided to restrict movement of the plate 4 only in the left direction.

According to the embodiment described above, three locking protrusions 546 and three locking holes 43 are provided, but it is sufficient that at least one locking projection 546 and one locking hole 43 are provided.

According to the embodiment described above, a pair of protective ribs 547, 547, 548, 548 are provided, but the present invention is not limited to this. Providing the pair of protective ribs 547, 547, 548, 548 is not essential and may be omitted.

According to the embodiment described above, the pair of protection ribs 547, 547, 548, 548 are provided on each of the pair of inner wall surfaces S1, S1 facing each other in the vertical direction, but the invention is not limited to this. Protective ribs 547, 547, 548, 548 may be provided on either one of the pair of inner wall surfaces S1, S1 facing each other in the vertical direction.

According to the embodiment described above, the locked portion of the conductive plate 4 was configured from the locking hole 43, and the locking portion of the voltage detection unit 5 was configured from the locking protrusion 546, but the present invention is not limited to this. It's not a thing. The locked portion of the conductive plate 4 may be a locking protrusion, and the locking portion of the voltage detection unit 5 may be a locking hole or a locking recess.

Here, the features of the embodiments of the battery stack plate according to the present invention described above will be briefly summarized and listed below in [1] to [7].

[1]
Fitting grooves (541, 61) for fitting into the side edges (41, 42) of the conductive plate (4) arranged between the plurality of stacked power storage modules (2) are provided on the side surface of the plate. A recessed plate-shaped housing (54) is provided,
The housing (54) is provided in the fitting groove (541) and is locked to a locked portion (43) provided on the side edge (41) of the conductive plate (4), a locking portion (546) that restricts the conductive plate (4) from moving in the unfitting direction (leftward);
Battery stack plate (5).

According to the battery stack plate (5) having the configuration of [1] above, it is possible to suppress misalignment of the conductive plate (4) with respect to the housing (54) in the unfitting direction (leftward direction), and to ensure stability. The function as a heat sink can be ensured.

[2]
In the battery stack plate (5) according to [1],
The locking portion (546) is arranged in a cross direction in which the conductive plate (4) intersects both the unfitting direction (left direction) and the plate thickness direction (vertical direction) in the fitting groove (541). It is designed to restrict movement in the front and back direction.
Battery stack plate (5).

According to the battery stack plate (5) having the configuration described in [2] above, it is possible to suppress misalignment of the conductive plate (4) in the cross direction (front-back direction) with respect to the housing (54), and further, A stable function as a heat sink can be ensured.

[3]
In the battery stack plate (5) according to [1],
a voltage detection terminal (52) electrically connected to the side edge (41) of the conductive plate (4) fitted in the fitting groove (541);
an electric wire (53) electrically connected to the voltage detection terminal (52);
The housing (54) includes a terminal accommodating recess (542) in which the voltage detection terminal (52) is accommodated, an electric wire accommodating recess (543) in which the electric wire (53) is accommodated, and the electric wire accommodating recess (543). an outlet (544) for pulling out the electric wire (53) housed in the housing (54);
Battery stack plate (5).

According to the battery stack plate (5) having the configuration [3] above, it is possible to suppress misalignment of the conductive plate (4) with respect to the housing (54) of the battery stack plate (5) for detecting voltage. It is possible to ensure stable voltage detection function.

[4]
In the battery stack plate (5) according to [3],
A plurality of the locking portions (546) are arranged in a line in a cross direction (front-back direction) that intersects both the unfitting direction (left direction) and the plate thickness direction (vertical direction),
In the voltage detection terminal (52), a conductive connection portion (521) with the side edge portion (41) of the conductive plate (4) is connected to the locking portion (546) and the locking portion (546). installed in a sandwiched position,
Battery stack plate (5).

According to the battery stack plate (5) having the configuration of [4] above, it is possible to suppress the positional shift of the conductive plate (4) around the conductive connection part (521), and to achieve a more stable voltage. Detection function can be secured.

[5]
In the battery stack plate (5) according to [1],
The housing (54) has a pair of protective ribs (547, 547), (548, 548) protruding from the inner wall surface (S1) facing the fitting groove (541) in the thickness direction (vertical direction). has
The pair of protective ribs (547, 547) and (548, 548) are arranged in a cross direction (front-back direction) that intersects both the unfitting direction (left direction) and the plate thickness direction (vertical direction). established,
The locking portion (546) is provided at a position sandwiched between the pair of protective ribs (547, 547) and (548, 548).
Battery stack plate (5).

According to the battery stack plate (5) having the configuration of [5] above, the side edge (41) of the conductive plate (4) is fitted with the pair of protective ribs (547, 547) and (548, 548). It can be press fit into the groove (541). Moreover, since the locking portion (546) is provided at a position sandwiched between the pair of protective ribs (547, 547) and (548, 548), the conductive plate (4) at the locking portion (546) Movement regulation can be further strengthened, and a more stable voltage detection function can be ensured.

[6]
The battery stack plate (5) according to any one of [1] to [5],
The conductive plate (4),
Conductive module (3).

According to the conductive module (3) having the configuration of [6] above, it is possible to suppress the positional shift of the conductive plate (4) with respect to the housing (54) in the unfitting direction (leftward direction), and to provide a stable heat sink. It is possible to secure the function as

[7]
In the conductive module (3) according to [6],
The locked portion (43) of the conductive plate (4) is composed of a locking hole (43) penetrating in the plate thickness direction (vertical direction),
The locking portion (546) of the battery stack plate (5) is comprised of a locking protrusion (546) inserted into the locking hole (43).
Conductive module (3).

According to the conductive module (3) having the configuration of [7] above, the metal conductive plate (4) is extruded in the cross direction (back and forth direction) and then the locking hole (43) is formed by punching. Therefore, the locked portion (43) can be easily provided on the conductive plate (4).

2 Energy storage module 3 Conductive module 4 Conductive plate 5 Voltage detection unit (battery stack plate)
6 Opposite unit (battery stack plate)
41, 42 Flange part (side edge part)
43 Locking hole (locked part)
52 Voltage detection terminal 53 Electric wire 54 Housing 61 Fitting groove 521 Continuity connection part 541 Fitting groove 542 Terminal accommodating recess 543 Wire accommodating recess 544 Outlet 546 Locking protrusion (locking part)
547, 548 Protective rib S1 Inner wall surface

Claims (7)

A plate-shaped housing is provided in which a fitting groove for fitting into a side edge of a conductive plate disposed between a plurality of stacked power storage modules is recessed in a side surface of the plate,
The housing is provided in the fitting groove and is locked to a locked portion provided on the side edge of the conductive plate to restrict movement of the conductive plate in the unfitting direction. has a locking part to
Plate for battery stack. The battery stack plate according to claim 1,
The locking portion is provided to restrict movement of the conductive plate in a direction crossing both the unfitting direction and the plate thickness direction within the fitting groove.
Plate for battery stack. The battery stack plate according to claim 1,
a voltage detection terminal electrically connected to the side edge of the conductive plate fitted in the fitting groove;
an electric wire conductively connected to the voltage detection terminal,
The housing has a terminal accommodating recess in which the voltage detection terminal is accommodated, an electric wire accommodating recess in which the electric wire is accommodated, and an outlet for drawing out the electric wire accommodated in the electric wire accommodating recess out of the housing. ,
Plate for battery stack. The battery stack plate according to claim 3,
A plurality of the locking portions are provided side by side in a cross direction that intersects both the unfitting direction and the plate thickness direction,
A conductive connection portion of the voltage detection terminal with the side edge portion of the conductive plate is provided at a position sandwiched between the locking portion and the locking portion.
Plate for battery stack. The battery stack plate according to claim 1,
The housing has a pair of protective ribs protruding from inner wall surfaces facing each other in the thickness direction of the fitting groove,
The pair of protective ribs are arranged in a cross direction that intersects both the unfitting direction and the plate thickness direction,
The locking portion is provided at a position sandwiched between the pair of protection ribs,
Plate for battery stack. A battery stack plate according to any one of claims 1 to 5,
The conductive plate,
conductive module. The conductive module according to claim 6,
The locked portion of the conductive plate is composed of a locking hole penetrating in the plate thickness direction,
The locking portion of the battery stack plate is comprised of a locking protrusion that is inserted into the locking hole.
conductive module.

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