Vehicle

Abstract

The invention relates to a vehicle. A vehicle frame according to the present invention includes a first frame and a second frame disposed at a distance from each other in a width direction of a vehicle and extending in a front-rear direction of the vehicle. A power storage device includes: a first power storage module including a first power storage cell; and a second power storage module which includes a second power storage cell and is disposed on the first power storage module. The first power storage module is disposed between the first frame and the second frame. The first storage cell extends in the width direction of the vehicle, and the second storage cell extends in the front-rear direction of the vehicle. The first storage cell includes: a first end surface and a second end surface arranged at an interval in the width direction of the vehicle; and a first external terminal provided on the first end surface. The second storage cell includes: a third end surface and a fourth end surface arranged at an interval in the front-rear direction of the vehicle; and a second external terminal provided on the third end surface.

Description

Technical Field

[0001] The present disclosure relates to a vehicle. Background Art

[0002] Japanese Patent Application Laid-Open No. 2020-205198 discloses a vehicle including a power storage device in which power storage modules are stacked in the vertical direction of the vehicle.

[0003] In the vehicle disclosed in Japanese Patent Application Laid-Open No. 2020-205198, when the power storage device and the vehicle frame are viewed from the side of the vehicle, a part of the power storage modules in the power storage device do not overlap with the frame disposed at the bottom of the vehicle frame. In such a vehicle, it is required to protect the power storage modules that do not overlap with the frame disposed at the bottom of the vehicle frame when the power storage device and the vehicle frame are viewed from the side of the vehicle. Summary of the Invention

[0004] An object of the present disclosure is to protect a power storage module that does not overlap with a frame disposed at the bottom of a vehicle frame when a power storage device in which power storage modules are stacked in the vertical direction of the vehicle and the vehicle frame are viewed from the side of the vehicle.

[0005] A vehicle according to an aspect of the present disclosure includes a vehicle frame and a power storage device provided on the vehicle frame. The vehicle frame includes a first frame and a second frame disposed at an interval in the vehicle width direction with respect to the first frame. The first frame and the second frame are formed to extend in the vehicle front-rear direction. The power storage device includes: a first power storage module including a first power storage cell; and a second power storage module including a second power storage cell and disposed on the first power storage module. The first power storage module is disposed between the first frame and the second frame. The first power storage cell is configured to extend in the vehicle width direction. The first power storage cell includes a first end face and a second end face arranged at an interval in the vehicle width direction, and a first external terminal provided on the first end face. The second power storage cell is configured to extend in the vehicle front-rear direction. The second power storage cell includes a third end face and a fourth end face arranged at an interval in the vehicle front-rear direction, and a second external terminal provided on the third end face.

[0006] Preferably, the vehicle frame includes: a first column connected to the first frame; a second column disposed at an interval at a position rearward of the first column and connected to the first frame; and a third column disposed at an interval at a position rearward of the second column and connected to the first frame. When the second power storage module and the vehicle frame are viewed from the side of the vehicle, a front end portion of the second power storage cell is configured to overlap with the second column.

[0007] Preferably, the vehicle frame includes: a first column connected to the first frame; a second column disposed at a position rearward of the first column with a gap therebetween and connected to the first frame; and a third column disposed at a position rearward of the second column with a gap therebetween and connected to the first frame. When observing the second power storage module and the vehicle frame from the side of the vehicle, the rear end portion of the second power storage cell is disposed to overlap with the third column.

[0008] Preferably, the size of the first power storage cell is the same as the size of the second power storage cell.

[0009] Preferably, the first power storage cell further includes a first exhaust valve provided on the first end face. The second power storage cell further includes a second exhaust valve provided on the third end face.

[0010] The above and other objects, features, aspects and advantages of the present invention will become apparent from the following detailed description of the present invention understood in connection with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a side view schematically showing the vehicle according to the present embodiment.

[0012] Figure 2 is a perspective view schematically showing the vehicle frame 3.

[0013] Figure 3 is a first perspective view schematically showing the power storage device 2.

[0014] Figure 4 is a second perspective view schematically showing the power storage device 2.

[0015] Figure 5 is a view schematically showing the vehicle frame 3 and the power storage device 2 when observing the vehicle frame 3 and the power storage device 2 fixed to the vehicle frame 3 from the front of the vehicle 1.

[0016] Figure 6 is a view schematically showing the vehicle frame 3 and the power storage device 2 when observing the vehicle frame 3 and the power storage device 2 fixed to the vehicle frame 3 from above ( Figure 3 the direction D4 shown).

[0017] Figure 7 is a view schematically showing an example of the power storage cell 51.

[0018] Figure 8 is a view schematically showing an example of the power storage cell 61. DETAILED DESCRIPTION OF THE INVENTION

[0019] Hereinafter, embodiments and modified examples of the present disclosure will be described with reference to the drawings. In the following description, the same reference numerals are given to the same components and constituent elements. The names and functions of these components are also the same. Therefore, detailed descriptions thereof will not be repeated. In addition, the embodiments and modified examples described below can be appropriately and selectively combined.

[0020] Referring Figures 1 to 8 , a vehicle according to the present embodiment will be described. Figure 1 FIG. is a side view schematically showing the vehicle according to the present embodiment. The vehicle 1 according to the present embodiment is, for example, an electric vehicle such as an electric vehicle or a hybrid vehicle that can be driven by a motor. The vehicle 1 includes a power storage device 2 and a vehicle frame 3. The power storage device 2 is configured to include a battery that stores power supplied to the motor. The power storage device 2 is disposed on the bottom surface of the vehicle 1.

[0021] Figure 2 FIG. is a perspective view schematically showing the vehicle frame 3. The vehicle frame 3 includes a left upper side member 10, a right upper side member 11, a left frame 12, a right frame 13, a first left column 14, a second left column 15, a third left column 16, a first right column 17, a second right column 18, and a third right column 19.

[0022] The left upper side member 10 and the right upper side member 11 are disposed above the vehicle frame 3. The left upper side member 10 and the right upper side member 11 are disposed at intervals in the width direction D2 of the vehicle 1. In addition, the left upper side member 10 and the right upper side member 11 are disposed so as to extend in the front-rear direction D1 of the vehicle 1.

[0023] The left frame 12 is an example of the "first frame" in the present disclosure, and the right frame 13 is an example of the "second frame" in the present disclosure. The left frame 12 and the right frame 13 are disposed at the bottom of the vehicle frame 3. The left frame 12 and the right frame 13 are disposed at intervals in the width direction D2 of the vehicle 1. In addition, the left frame 12 and the right frame 13 are disposed so as to extend in the front-rear direction D1 of the vehicle 1.

[0024] The first left column 14, the second left column 15, and the third left column 16 are disposed on the left side surface of the vehicle frame 3. The first left column 14 is provided to connect the front end of the left frame 12 to the front end of the left upper side member 10. The second left column 15 is provided to connect the central portion of the left frame 12 to the central portion of the left upper side member 10. The third left column 16 is provided to connect the rear end of the left frame 12 to the rear portion of the left upper side member 10. That is, the second left column 15 is disposed at an interval behind the first left column 14, and the third left column 16 is disposed at an interval behind the second left column 15.

[0025] The first right pillar 17, the second right pillar 18, and the third right pillar 19 are arranged on the right side surface of the vehicle frame 3. The first right pillar 17 is provided to connect the front end of the right frame 13 and the front end of the right upper side beam 11. The second right pillar 18 is provided to connect the central portion of the right frame 13 and the central portion of the right upper side beam 11. The third right pillar 19 is provided to connect the rear end of the right frame 13 and the rear portion of the right upper side beam 11. That is, the second right pillar 18 is arranged at a position behind the first right pillar 17 with a gap therebetween, and the third right pillar 19 is arranged at a position behind the second right pillar 18 with a gap therebetween.

[0026] The first left pillar 14 and the first right pillar 17 are respectively an example of the "first pillar" in the present disclosure. The second left pillar 15 and the second right pillar 18 are respectively an example of the "second pillar" in the present disclosure. The third left pillar 16 and the third right pillar 19 are respectively an example of the "third pillar" in the present disclosure.

[0027] Refer again to Figure 1 , the power storage device 2 is arranged on the vehicle frame 3. Figure 3 is a first perspective view schematically showing the power storage device 2. Figure 4 is a second perspective view schematically showing the power storage device 2. In Figure 4 , the power storage device 2 is shown in a state where the upper housing is removed.

[0028] Refer to Figure 3 and Figure 4 , the power storage device 2 includes a power storage module 21, a power storage module 22, and a housing 23. The power storage module 21 is an example of the "first power storage module" in the present disclosure. The power storage module 22 is an example of the "second power storage module" in the present disclosure.

[0029] The housing 23 houses the power storage module 21 and the power storage module 22. The housing 23 includes a lower housing 24 and an upper housing 25.

[0030] The housing 23 further includes support portions 26, 27. The support portions 26, 27 are fixed to the vehicle frame 3 (refer to Figure 2 ). As an example, holes 28 for embedding bolts are provided in the support portions 26, 27. By embedding bolts in the holes 28, the support portion 26 is fixed to the left frame 12, and the support portion 27 is fixed to the right frame 13.

[0031] Figure 5 is a view schematically showing the vehicle frame 3 and the power storage device 2 when observing the vehicle frame 3 and the power storage device 2 fixed to the vehicle frame 3 from the front of the vehicle 1. Figure 6 is a view schematically showing the vehicle frame 3 and the power storage device 2 when observing the vehicle frame 3 and the power storage device 2 fixed to the vehicle frame 3 from above (the direction D4 shown in Figure 3 ). As shown in Figure 5and Figure 6 As shown in Figure 6 , the support portion 26 is fixed to the lower surface of the left frame 12, and the support portion 27 is fixed to the lower surface of the right frame 13. That is, the power storage device 2 is fixed to the vehicle frame 3.

[0032] Referring again to Figure 4 , when the power storage device 2 is fixed to the vehicle frame 3, the power storage module 21 is disposed between the left frame 12 and the right frame 13. More specifically, when the power storage module 21 and the vehicle frame 3 are viewed from the side of the vehicle 1, the power storage module 21 is disposed such that at least a part of the power storage module 21 overlaps with the left frame 12 and the right frame 13. On the other hand, when the power storage module 22 and the vehicle frame 3 are viewed from the side of the vehicle 1, the power storage module 22 does not overlap with the left frame 12 and the right frame 13.

[0033] The power storage module 21 includes a plurality of power storage cells 51. The power storage cell 51 is an example of the "first power storage cell" in the present disclosure. The power storage cells 51 are arranged to extend in the width direction D2 of the vehicle 1.

[0034] The power storage module 22 is disposed on the power storage module 21. That is, in the vehicle 1, the power storage module 21 and the power storage module 22 are stacked in the vertical direction D3 of the vehicle 1. The power storage module 22 includes a plurality of power storage cells 61. The power storage cell 61 is an example of the "second power storage cell" in the present disclosure. The power storage cells 61 are arranged to extend in the front-rear direction D1 of the vehicle 1.

[0035] The power storage cells 51 and the power storage cells 61 are secondary batteries, typically lithium-ion secondary batteries. A lithium-ion secondary battery is a battery that uses lithium as a charge carrier, and in addition to a general lithium-ion secondary battery with a liquid electrolyte, it can also include a so-called all-solid-state battery that uses a solid electrolyte. In addition, the power storage cells 51 and the power storage cells 61 are not limited to lithium-ion secondary batteries, and may be composed of nickel-metal hydride secondary batteries or other secondary batteries.

[0036] The size of the power storage cells 51 and the size of the power storage cells 61 may be the same or different. The case where the size of the power storage cells 51 is the same as the size of the power storage cells 61 is the case where all of the following three conditions are satisfied.

[0037] · First condition: The length of the power storage cells 51 in the width direction D2 of the vehicle 1 is the same as the length of the power storage cells 61 in the front-rear direction D1 of the vehicle 1.

[0038] · Second condition: The length of the power storage cells 51 in the front-rear direction D1 of the vehicle 1 is the same as the length of the power storage cells 61 in the width direction D2 of the vehicle 1.

[0039] ·Third condition: The length of the power storage cell 51 in the vertical direction D3 of the vehicle 1 is the same as the length of the power storage cell 61 in the vertical direction D3 of the vehicle 1.

[0040] In the present disclosure, "the same length" includes the case where the lengths are exactly the same and the case where the lengths are actually the same. In the present disclosure, "actually the same" means including slight errors caused by manufacturing differences or the like.

[0041] When the dimensions of the power storage cell 51 are the same as the dimensions of the power storage cell 61, the design of the power storage device 2 becomes easier.

[0042] Figure 7 It is a diagram schematically showing an example of the power storage cell 51. The power storage cell 51 includes an end face 52 and an end face 53. The end face 52 and the end face 53 are arranged at intervals in the width direction D2 of the vehicle 1. The end face 52 is an example of the "first end face" in the present disclosure. The end face 53 is an example of the "second end face" in the present disclosure. In the power storage module 21, the power storage cells 51 arranged with the end face 53 facing the left side of the vehicle 1 and the power storage cells 51 arranged with the end face 52 facing the left side of the vehicle 1 are alternately arranged along the front-rear direction D1 of the vehicle 1.

[0043] The power storage cell 51 includes a negative terminal 54 and an exhaust valve 56 provided on the end face 52. In addition, the power storage cell 51 includes a positive terminal 55 provided on the end face 53. That is, the negative terminal 54 and the exhaust valve 56 are provided at one end in the long side direction of the power storage cell 51, and the positive terminal 55 is provided at the other end in the long side direction of the power storage cell 51. The negative terminal 54 is an example of the "first external terminal" in the present disclosure. The exhaust valve 56 is an example of the "first exhaust valve" in the present disclosure. The exhaust valve 56 is configured to discharge the gas inside the power storage cell 51 to the outside of the power storage cell 51 when the internal pressure of the power storage cell 51 rises.

[0044] The negative terminal 54 and the positive terminal 55 of adjacent power storage cells 51 are connected by a bus bar 57, whereby a plurality of power storage cells 51 are connected in series.

[0045] Figure 8 It is a diagram schematically showing an example of the power storage cell 61. The power storage cell 61 includes an end face 62 and an end face 63. The end face 62 and the end face 63 are arranged at intervals in the front-rear direction D1 of the vehicle 1. The end face 62 is an example of the "third end face" in the present disclosure. The end face 63 is an example of the "fourth end face" in the present disclosure. In the power storage module 22, the power storage cells 61 arranged with the end face 63 facing the front of the vehicle 1 and the power storage cells 61 arranged with the end face 62 facing the front of the vehicle 1 are alternately arranged along the width direction D2 of the vehicle 1.

[0046] The electricity storage cell 61 includes a negative electrode terminal 64 and an exhaust valve 66 provided on the end face 62. In addition, the electricity storage cell 61 includes a positive electrode terminal 65 provided on the end face 63. That is, the negative electrode terminal 64 and the exhaust valve 66 are provided at one end in the long side direction of the electricity storage cell 61, and the positive electrode terminal 65 is provided at the other end in the long side direction of the electricity storage cell 61. The negative electrode terminal 64 is an example of the "second external terminal" in the present disclosure. The exhaust valve 66 is an example of the "second exhaust valve" in the present disclosure. The exhaust valve 66 is configured to discharge the gas inside the electricity storage cell 61 to the outside of the electricity storage cell 61 when the internal pressure of the electricity storage cell 61 rises.

[0047] The negative electrode terminals 64 and the positive electrode terminals 65 of the mutually adjacent electricity storage cells 61 are connected by a bus bar 67, whereby a plurality of electricity storage cells 61 are connected in series.

[0048] Refer again to Figure 2 , when observing the electricity storage module 22 and the vehicle frame 3 from the side of the vehicle 1, the front end portion in the long side direction of the electricity storage cell 61 of the electricity storage module 22 is arranged to overlap with the second left pillar 15 and the second right pillar 18. In the electricity storage cell 61 arranged with the end face 63 facing the front of the vehicle 1, the front end portion in the long side direction of the electricity storage cell 61 is the end face 63. In the electricity storage cell 61 arranged with the end face 62 facing the front of the vehicle 1, the front end portion in the long side direction of the electricity storage cell 61 is the end face 62.

[0049] In addition, when observing the electricity storage module 22 and the vehicle frame 3 from the side of the vehicle 1, the rear end portion in the long side direction of the electricity storage cell 61 is arranged to overlap with the third left pillar 16 and the third right pillar 19. In the electricity storage cell 61 arranged with the end face 63 facing the front of the vehicle 1, the rear end portion in the long side direction of the electricity storage cell 61 is the end face 62. In the electricity storage cell 61 arranged with the end face 62 facing the front of the vehicle 1, the rear end portion in the long side direction of the electricity storage cell 61 is the end face 63.

[0050] In this way, the vehicle 1 in the present embodiment includes an electricity storage device 2 including an electricity storage module 21 and an electricity storage module 22. The electricity storage module 21 is arranged between the left frame 12 and the right frame 13, and the electricity storage cells 51 included in the electricity storage module 21 are arranged to extend in the width direction D2 of the vehicle 1. In addition, the electricity storage module 22 is arranged on the electricity storage module 21, and the electricity storage cells 61 included in the electricity storage module 22 are arranged to extend in the front-rear direction D1 of the vehicle 1.

[0051] In the vehicle 1 of the present embodiment, at least one of the negative electrode terminal and the positive electrode terminal is provided at one end in the long side direction of the storage battery cell. Therefore, the end portion in the long side direction of the storage battery cell requires more protection than the end portion in the short side direction of the storage battery cell. In contrast, according to the vehicle 1 of the present embodiment, the left frame 12 and the right frame 13 protect the end portion in the long side direction of the storage battery cell 51 from the impact applied from the side of the vehicle 1. In addition, the negative electrode terminal 54 and the exhaust valve 56 are provided at one end in the long side direction of the storage battery cell 51, and the positive electrode terminal 55 is provided at the other end in the long side direction of the storage battery cell 51. Therefore, according to the vehicle 1 of the present embodiment, the left frame 12 and the right frame 13 protect the negative electrode terminal 54, the positive electrode terminal 55, and the exhaust valve 56 from the impact applied from the side of the vehicle 1.

[0052] In addition, according to the vehicle 1 of the present embodiment, the storage battery cell 61 is arranged such that the end portion in the long side direction of the storage battery cell 61 does not face the side of the vehicle 1. Therefore, even if an impact force is applied from the side of the vehicle 1, it is not easy to apply the impact force to the end portion in the long side direction of the storage battery cell 61. The negative electrode terminal 64 and the exhaust valve 66 are provided at one end in the long side direction of the storage battery cell 61, and the positive electrode terminal 65 is provided at the other end in the long side direction of the storage battery cell 61. Therefore, according to the vehicle 1 of the present embodiment, even if an impact force is applied from the side of the vehicle 1, it is possible to suppress the application of the impact force to the negative electrode terminal 64, the positive electrode terminal 65, and the exhaust valve 66.

[0053] Therefore, according to the vehicle 1 of the present embodiment, when observing the power storage device 2 and the vehicle frame 3 from the side of the vehicle 1, not only the power storage module 21 overlapping with the left frame 12 and the right frame 13 is protected from the impact applied from the side of the vehicle 1, but also the power storage module 22 not overlapping with the left frame 12 and the right frame 13 is protected from the impact applied from the side of the vehicle 1.

[0054] In addition, in the front-rear direction D1 of the vehicle 1, the front end portion of the storage battery cell 61 is provided at a position away from the front end portion of the vehicle 1. Therefore, even if an impact force is applied to the front end portion of the vehicle 1, the application of the impact force to the front end portion of the storage battery cell 61 is suppressed. Similarly, in the front-rear direction D1 of the vehicle 1, the rear end portion of the storage battery cell 61 is provided at a position away from the rear end portion of the vehicle 1. Therefore, even if an impact force is applied to the rear end portion of the vehicle 1, the application of the impact force to the rear end portion of the storage battery cell 61 is suppressed.

[0055] In addition, according to the vehicle 1 of the present embodiment, a plurality of power storage modules are stacked in the up-down direction D3 of the vehicle 1. Therefore, the limited space in the lower part of the vehicle 1 is effectively utilized, and the large capacity of the power storage device 2 is realized.

[0056] In addition, in the vehicle 1 of the present embodiment, when observing the power storage module 22 and the vehicle frame 3 from the side of the vehicle 1, the power storage module 22 is arranged such that the front end portion in the long side direction of the power storage cell 61 overlaps with the second left pillar 15 and the second right pillar 18. Thereby, the front end portion in the long side direction of the power storage cell 61 can be protected from the impact applied from the side of the vehicle 1.

[0057] In addition, in the vehicle 1 of the present embodiment, when observing the power storage module 22 and the vehicle frame 3 from the side of the vehicle 1, the power storage module 22 is arranged such that the rear end portion in the long side direction of the power storage cell 61 overlaps with the third left pillar 16 and the third right pillar 19. Thereby, the rear end portion in the long side direction of the power storage cell 61 is protected from the impact applied from the side of the vehicle 1.

[0058] In the above embodiment, the power storage module 21 includes a plurality of power storage cells 51, but the power storage module 21 may include at least one power storage cell 51.

[0059] In the above embodiment, the power storage cells 51 are arranged to extend in the vehicle width direction D2 of the vehicle 1, but the power storage cells 51 may also be arranged to extend in the vehicle longitudinal direction D1 of the vehicle 1.

[0060] In the above embodiment, the power storage module 22 includes a plurality of power storage cells 61, but the power storage module 22 may include at least one power storage cell 61.

[0061] When observing the power storage module 22 and the vehicle frame 3 from the side of the vehicle 1, the front end portion in the long side direction of the power storage cell 61 may not overlap with the second left pillar 15 and the second right pillar 18. When observing the power storage module 22 and the vehicle frame 3 from the side of the vehicle 1, the rear end portion in the long side direction of the power storage cell 61 may not overlap with the third left pillar 16 and the third right pillar 19.

[0062] [Modification Example 1]

[0063] In the above embodiment, the negative terminal 54 and the exhaust valve 56 are provided at one end portion in the long side direction of the power storage cell 51, and the positive terminal 55 is provided at the other end portion in the long side direction of the power storage cell 51. However, it is sufficient that the negative terminal 54, the positive terminal 55, and the exhaust valve 56 are provided at at least one end portion in the long side direction of the power storage cell 51. For example, the negative terminal 54, the positive terminal 55, and the exhaust valve 56 may also be provided only at one end portion in the long side direction of the power storage cell 51.

[0064] More specifically, it can also be configured such that the electricity storage cell 51 includes two end faces arranged at intervals in the vehicle width direction D2 of the vehicle 1, a negative terminal 54, a positive terminal 55, and an exhaust valve 56, and the negative terminal 54, the positive terminal 55, and the exhaust valve 56 are provided only on one of the two end faces. In this case, all the electricity storage cells 51 included in the electricity storage module 21 are arranged such that the end face provided with the negative terminal 54, the positive terminal 55, and the exhaust valve 56 faces the left side of the vehicle 1. Or all the electricity storage cells 51 included in the electricity storage module 21 are arranged such that the end face provided with the negative terminal 54, the positive terminal 55, and the exhaust valve 56 faces the right side of the vehicle 1. The negative terminal 54 and the positive terminal 55 of adjacent electricity storage cells 51 are connected by a bus bar 57, thereby connecting the plurality of electricity storage cells 51 in series.

[0065] In such a case, the negative terminal 54, the positive terminal 55, and the exhaust valve 56 are also protected by the left frame 12 and the right frame 13 from the impact applied from the side of the vehicle 1.

[0066] [Modification Example 2]

[0067] In the above-described embodiment, the negative terminal 64 and the exhaust valve 66 are provided at one end in the long side direction of the electricity storage cell 61, and the positive terminal 65 is provided at the other end in the long side direction of the electricity storage cell 61. However, it is sufficient that the negative terminal 64, the positive terminal 65, and the exhaust valve 66 are provided at at least one end in the long side direction of the electricity storage cell 61. For example, the negative terminal 64, the positive terminal 65, and the exhaust valve 66 may be provided only at one end in the long side direction of the electricity storage cell 61.

[0068] More specifically, it can also be configured such that the electricity storage cell 61 includes two end faces arranged at intervals in the vehicle front-rear direction D1 of the vehicle 1, a negative terminal 64, a positive terminal 65, and an exhaust valve 66, and the negative terminal 64, the positive terminal 65, and the exhaust valve 66 are provided only on one of the two end faces. In this case, all the electricity storage cells 61 included in the electricity storage module 22 are arranged such that the end face provided with the negative terminal 64, the positive terminal 65, and the exhaust valve 66 faces the front of the vehicle 1. Or all the electricity storage cells 61 included in the electricity storage module 22 are arranged such that the end face provided with the negative terminal 64, the positive terminal 65, and the exhaust valve 66 faces the rear of the vehicle 1. The negative terminal 64 and the positive terminal 65 of adjacent electricity storage cells 61 are connected by a bus bar 67, thereby connecting the plurality of electricity storage cells 61 in series.

[0069] In such a case, the negative terminal 64, the positive terminal 65, and the exhaust valve 66 are also protected from the impact applied from the side of the vehicle 1.

[0070] [Modification Example 3]

[0071] In the above-described embodiment, the power storage device 2 includes two power storage modules (power storage module 21 and power storage module 22). However, the power storage device 2 may also include three or more power storage modules. In this case, two or more of the three or more power storage modules may be stacked in the vertical direction D3 of the vehicle 1. In addition, at least one of the three or more power storage modules may have the same structure and configuration as the power storage module 21, and the remaining power storage modules of the three or more power storage modules may have the same structure and configuration as the power storage module 22.

[0072] The embodiments of the present invention have been described, but all points of the embodiments disclosed this time should be considered as illustrative and not as a limitation of the present invention. The scope of the present invention is represented by the claims, and is intended to include the equivalent meaning of the claims and all modifications within its scope.

Claims

1. A vehicle, comprising: A vehicle frame; and An electricity storage device disposed on the vehicle frame, wherein The vehicle frame includes a first frame and a second frame disposed at intervals in the vehicle width direction with respect to the first frame, The first frame and the second frame are formed to extend in the vehicle longitudinal direction, The electricity storage device includes: a first electricity storage module including a first electricity storage cell; and a second electricity storage module including a second electricity storage cell and disposed on the first electricity storage module, The first electricity storage module is disposed between the first frame and the second frame, The first electricity storage cell is configured to extend in the vehicle width direction, The first electricity storage cell includes: a first end face and a second end face arranged at intervals in the vehicle width direction; and a first external terminal disposed on the first end face, The second electricity storage cell is configured to extend in the vehicle longitudinal direction, The second electricity storage cell includes: a third end face and a fourth end face arranged at intervals in the vehicle longitudinal direction; and a second external terminal disposed on the third end face.

2. The vehicle according to claim 1, wherein The vehicle frame includes: A first column connected to the first frame; A second column disposed at intervals at a position rearward of the first column and connected to the first frame; and A third column disposed at intervals at a position rearward of the second column and connected to the first frame, When observing the second electricity storage module and the vehicle frame from the side of the vehicle, the front end portion of the second electricity storage cell is configured to overlap with the second column.

3. The vehicle according to claim 1, wherein The vehicle frame includes: A first column connected to the first frame; A second column disposed at intervals at a position rearward of the first column and connected to the first frame; and A third column disposed at intervals at a position rearward of the second column and connected to the first frame, When observing the second electricity storage module and the vehicle frame from the side of the vehicle, the rear end portion of the second electricity storage cell is configured to overlap with the third column.

4. The vehicle according to claim 1, wherein The size of the first electricity storage cell is the same as the size of the second electricity storage cell.

5. The vehicle according to claim 1, wherein The first electricity storage cell further includes a first exhaust valve disposed on the first end face, The second electricity storage cell further includes a second exhaust valve disposed on the third end face.

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