WO2006087962A1 - 組電池 - Google Patents
組電池 Download PDFInfo
- Publication number
- WO2006087962A1 WO2006087962A1 PCT/JP2006/302220 JP2006302220W WO2006087962A1 WO 2006087962 A1 WO2006087962 A1 WO 2006087962A1 JP 2006302220 W JP2006302220 W JP 2006302220W WO 2006087962 A1 WO2006087962 A1 WO 2006087962A1
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- WO
- WIPO (PCT)
- Prior art keywords
- module
- spacer
- battery
- holding
- vertical direction
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
- H01M50/291—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
- H01M50/293—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to an assembled battery in which a plurality of battery modules including a plurality of unit cells arranged in a row are arranged with a gap therebetween, and in particular, a holding for holding a battery module in a gap between adjacent battery modules.
- the present invention relates to an assembled battery in which a spacer is arranged.
- an assembled battery in which a plurality of battery modules including a plurality of unit cells are arranged and a spacer is arranged in a gap between adjacent battery modules is known.
- Such an assembled battery holds the battery module and the spacer in some way.
- the end plate is arranged and the battery module and the spacer are tightened by the restraining port and the restraining band to hold them.
- the battery module and the spacer are held using the assembled battery case.
- Patent Document 1 Japanese Patent Application Laid-Open No. 11-1 2 6 5 8 5
- Patent Document 2 Special Table 2 0 0 1— 5 0 7 8 5 6
- Patent Document 3 Japanese Patent Application Laid-Open No. 2005-056 1 Disclosure of Invention
- the present invention has been made in view of the present situation, and an object of the present invention is to provide an assembled battery that can suppress the movement of the battery module and the holding spacer even after long-term use. Means for solving the problem
- the solution is a battery module including a plurality of single cells arranged in a row, and is arranged in a direction perpendicular to the direction in which the single cells are arranged with a gap therebetween.
- a plurality of battery modules, one or a plurality of holding spacers arranged in the gap between the battery modules and holding the battery modules, the unit cell arrangement direction, and the arrangement of the battery modules.
- a first spacer support member and a second spacer support member that sandwich the holding spacer in a direction perpendicular to the module arrangement direction.
- the spacer is disposed toward the first spacer support member, and has one or a plurality of first elastic portions that elastically deform in the vertical direction, and the holding spacer includes the first elastic portion. Is elastically deformed in the vertical direction and the first While elastically pressed against the spacer support member, a battery pack formed by bullets sexually sandwiched between the first spacer support member and the second spacer support member.
- the battery module is held by the holding spacer, and the holding spacer is held by the first spacer supporting member and the second spacer supporting member sandwiched from the vertical direction.
- the holding spacer has a first elastic portion that is disposed toward the first spacer support member and elastically deforms in the vertical direction.
- the holding spacer has the first spacer support member and the second spacer in a state in which the first elastic portion is elastically deformed in the vertical direction and elastically pressed against the first spacer support member. It is elastically held between the spacer support members. For this reason, the holding spacer is elastically held between the first spacer supporting member and the second spacer supporting member. Therefore, it is possible to effectively suppress the holding spacer from moving in the assembled battery, in particular, the holding spacer moving in the vertical direction for a longer period of time than before.
- the “battery module” only needs to include a plurality of single cells arranged in a row, and the configuration and form thereof are not particularly limited. For example, it may have a module component other than a single battery. Further, the number and form of the single cells constituting the battery module are not particularly limited. For example, a rectangular unit cell or a cylindrical unit cell may be used.
- the “holding spacer” satisfies the above-mentioned requirements, its form and material are not particularly limited.
- it may be integrally formed or may be composed of a plurality of members.
- it may be made of resin, made of metal, or may be made of resin and partially made of metal.
- the “first elastic part” provided on the holding spacer is As long as it satisfies the requirements, the form and material are not particularly limited.
- first spacer support member and the “second spacer support member” are not particularly limited in configuration and form as long as they satisfy the above-described requirements.
- first spacer support member when the assembled battery has a configuration in which a battery module, a holding spacer or the like is accommodated in the assembled battery case, a part of the assembled battery case is used as the first spacer support member. It can be a spacer support member.
- the first elastic portion may be an assembled battery made of rubber.
- the first elastic portion is made of rubber. Rubber can maintain its elasticity stably over a long period of time compared to metal or cocoon. Therefore, the retention preventing effect of the holding spacer can be maintained for a long period of time.
- the first elastic portion is made of rubber, the frictional force at the contact portion between the first elastic portion and the first spacer support member increases, so that the holding spacer is perpendicular to the vertical direction. It is also possible to effectively suppress movement.
- EPDM, fluorine rubber, or silicon rubber as the rubber material from the viewpoint of durability, alkali resistance, and the like. The same applies when the second elastic portion and the third elastic portion, which will be described later, are made of rubber.
- the holding spacer has the first elastic portion elastically deformed in the vertical direction and is in inertial contact with the first spacer support member, and the second elastic portion is Elastically deformed in the vertical direction and elastically pressed against the second spacer support member, elastically between the first spacer support member and the second spacer support member. It is better to use a battery pack that is sandwiched.
- the holding spacer has a second elastic portion that is arranged toward the second spacer support member and elastically deforms in the vertical direction in addition to the first elastic portion described above.
- the first elastic portion is elastically deformed in the vertical direction and is elastically pressed against the first spacer support member
- the second elastic portion is also elastically deformed in the vertical direction to cause the second elastic portion. It is elastically held between the first spacer support member and the second spacer support member in a state of being elastically pressed against the spacer support member. For this reason, it is possible to more effectively suppress the holding spacer from floating in the assembled battery. If this “second inertia part” also satisfies the above requirements,
- the form and material are not particularly limited.
- the second elastic portion is an assembled battery made of rubber.
- the second elastic portion is made of rubber.
- rubber can stably maintain its elasticity over a long period of time compared to metals and resins. Therefore, the retention preventing effect of the holding spacer can be maintained for a long period of time.
- the second elastic part is made of rubber, the frictional force at the contact portion between the second inertia part and the second spacer support member increases, so the holding spacer is perpendicular to the vertical direction. It is also possible to effectively suppress the movement in the direction of movement.
- the holding spacer is a first module pressing portion and a second module supporting portion that sandwich the battery module in the vertical direction, Along with the elastic deformation of the first elastic part, a first module pressing part that elastically presses the battery module in the vertical direction, and a second module support part that supports the battery module in the vertical direction.
- the battery module includes a first module pressing section and a second module supporting section between the first module pressing section and the second module supporting section in a state where the first module pressing section presses the battery module in the vertical direction. It is preferable to use an assembled battery that is elastically held.
- the holding spacer includes the first module pressing portion and the second module supporting portion that sandwich the battery module in the vertical direction.
- the battery module is elastically sandwiched between the first module pressing portion and the second module support portion in a state where the first module pressing portion presses the battery module in the vertical direction. ing. For this reason, the battery module is elastically held between the first module pressing portion and the second module support portion. Therefore, it is possible to suppress the battery module from floating in the assembled battery, in particular, the battery module from moving in the vertical direction.
- the “first module pressing part” and “second module support part” are not particularly limited in form and material as long as they satisfy the above requirements.
- the holding spacer is a first module pressing portion and a second module pressing portion that sandwich the battery module in the vertical direction, and includes the first module pressing portion.
- the first module pressing portion that elastically presses the battery module in the vertical direction
- the elastic deformation of the second inertial portion the front A second module pressing portion that elastically presses the battery module in the vertical direction
- the battery module elastically presses the battery module in the vertical direction.
- the second module pressing portion is also elastically narrowed between the first module pressing portion and the second module pressing portion in a state where the battery module is elastically pressed in the vertical direction. It is preferable to use a battery pack that is held.
- the holding spacer includes the first module pressing portion and the second module pressing portion that sandwich the battery module in the vertical direction.
- the battery module is between the first module pressing portion and the second module pressing portion in a state where the first module pressing portion and the second module pressing portion press the battery module in the vertical direction. It is elastically pinched. For this reason, the battery module is elastically held between the first module pressing portion and the second module pressing portion. Therefore, it is possible to more effectively suppress the battery module from floating in the assembled battery, in particular, the battery module moving in the vertical direction.
- the “second module pressing portion” is not particularly limited in its form and material as long as it satisfies the above requirements.
- the holding spacer is disposed toward the battery module held by the holding spacer and elastically deforms in the module arrangement direction. Or a plurality of third elastic portions, wherein the battery module is in a state where the third elastic portions of the holding spacer are elastically deformed in the module arrangement direction and are in inertial pressure contact with the battery modules, It is preferable that the assembled battery is held by the holding spacer.
- the holding spacer has the third elastic portion that is disposed toward the battery module held by the holding spacer itself and elastically deforms in the module row direction.
- the battery module is held by the holding spacer in a state where the third elastic portion of the holding spacer is elastically deformed in the module arrangement direction and is elastically pressed against the battery module. For this reason, the battery module is elastically held by the holding spacer. Therefore, it is possible to suppress the battery module from floating in the assembled battery, in particular, from moving in the module row direction.
- the “third elastic portion” is not particularly limited in its form, material, or the like as long as it satisfies the above requirements.
- the third elastic portion is an assembled battery made of rubber.
- the third inertia part is made of rubber.
- the rubber can maintain its elasticity stably over a long period of time compared to metals and resins. Therefore, the effect of preventing the battery module from floating can be maintained for a long period of time.
- the third elastic portion is made of rubber, the frictional force at the contact portion between the third elastic portion and the battery module 'is increased, so that the battery module moves in a direction perpendicular to the arrangement direction. Can also be effectively suppressed.
- the battery module has an outer surface that is covered with a film, the battery module will move around in the battery, causing the film to break or peel off. May occur.
- the battery module is restrained from floating, even if the outer surface of the battery module is covered with a film, it is possible to prevent defects such as tearing and peeling of the film, and high reliability. And an assembled battery.
- a battery pack comprising: a plurality of battery modules arranged via a gap; and one or a plurality of holding spacers arranged in the gap between the battery modules to hold the battery module,
- the holding spacer is disposed toward the battery module held by the holding spacer, and has one or a plurality of third elastic portions that are elastically deformed in the module row direction, and the battery module includes the holding spacer.
- the assembled battery is held by the holding spacer in a state where the third elastic portion of the support is elastically deformed in the module arrangement direction and elastically pressed against the battery module.
- the holding spacer has the third elastic portion that is disposed toward the battery module held by the holding spacer itself and elastically deforms in the module row direction.
- the battery module is held by the holding spacer in a state where the third elastic portion of the holding spacer is elastically deformed in the module arrangement direction and is elastically pressed against the battery module. For this reason, the battery module is inertially held by the holding spacer. Therefore, it is possible to suppress the battery module from floating in the battery assembly, in particular, from moving in the module row direction.
- the third inertia part is a set made of rubber. Use batteries.
- the third elastic portion is made of rubber.
- rubber can stably maintain its elasticity over a long period of time compared to metals and resins. Therefore, the effect of preventing the battery module from floating can be maintained for a long period of time.
- the third elastic part is made of rubber, the frictional force at the contact portion between the third elastic part and the battery module increases, so that the battery module rattles in a direction perpendicular to the direction of arrangement. Can also be effectively suppressed.
- FIG. 1 is a perspective view showing a holding spacer in the assembled battery according to Embodiment 1.
- FIG. 2 is a partial perspective view showing a part of the holding spacer in the assembled battery according to the first embodiment.
- FIG. 3 is a perspective view showing a battery module of the assembled battery according to the first embodiment.
- FIG. 4 is a plan view showing a state in which the battery module is mounted on the holding spacer in the assembled battery according to the first embodiment.
- FIG. 5 is a perspective view showing a state in which the battery module is mounted on the holding spacer in the assembled battery according to the first embodiment.
- FIG. 6 is a partial cross-sectional view showing a part of the assembled battery according to Embodiment 1.
- FIG. 7 is an explanatory diagram showing a schematic configuration of the assembled battery according to the first embodiment.
- FIG. 8 is a perspective view showing a holding spacer in the assembled battery according to the second embodiment.
- FIG. 9 is a partial perspective view showing a part of the holding spacer in the assembled battery according to the second embodiment.
- FIG. 10 is a perspective view showing a battery module among the assembled batteries according to the second embodiment.
- FIG. 11 is a partial perspective view showing a part of the holding spacer in the assembled battery according to the third embodiment.
- FIG. 12 is a partial perspective view showing a part of the holding spacer in the assembled battery according to the fourth embodiment. '
- FIG. 13 is a partial perspective view showing a part of the holding spacer in the assembled battery according to the fifth embodiment.
- FIG. 14 is a partial perspective view showing a part of the holding spacer in the assembled battery according to the sixth embodiment.
- FIG. 1 and 2 show a holding spacer 130 constituting the assembled battery 100 of the first embodiment.
- FIG. 3 shows a battery module 110 constituting the assembled battery 100.
- 4 and 5 show a state where the battery module 110 is attached to the holding spacer 130.
- FIG. 6 and FIG. 7 show the assembled battery 100.
- the unit cell when the assembled battery is completed The arrangement direction of 1 1 1 is the cell arrangement direction X, the arrangement direction of the battery modules 1 10 is the module arrangement direction Y, and the direction perpendicular to these is the vertical direction ⁇ .
- This assembled battery 100 is a secondary battery (for example, nickel metal hydride storage battery) used as a power source for an electric vehicle or a hybrid car.
- the assembled battery 100 includes a plurality of battery modules 110.
- a holding spacer 13 30 for holding the battery module 110 is disposed in the gap between the adjacent battery modules 110.
- the battery module 110 and the holding spacer 13 30 are integrally restrained by two end plates 180 and four restraining rods 1 85 as a whole. (See Fig. 7).
- these battery modules' 1 1 0 and holding spacer 1 3 0 are composed of a first spacer support member (upper case) 1 60 and a second spacer support member (lower case) 1 7 0 (See Fig. 6 and Fig. 7).
- the first spacer support member 160 and the second spacer support member 170 are fixed by bolts 17 3 and nuts 1 75 (see FIG. 7).
- each battery module 1 1 0 has two long side surfaces 1 1 0 a and 1 1 0 b facing each other and two short side surfaces 1 1 0 c and 1 1 0 facing each other. It has a substantially rectangular parallelepiped shape having d and two end faces 1 1 0 e and 1 1 0 f facing each other.
- the battery module 110 includes a plurality of (eight in the present embodiment) unit cells 1 1 1 arranged in a line from the left front to the right rear in FIG.
- Each single cell 1 1 1 1 is a rectangular battery having a substantially rectangular parallelepiped shape.
- the cells 1 1 1 are connected in series with the safety valve (not shown) facing the short side 1 1 0 c (upward in Fig. 3).
- the short side surface 1 1 0 c side of the connected unit cells 1 1 1 covers each safety valve and forms a gas discharge passage with the unit cell case.
- a character-shaped upper cover member 1 1 3 is arranged.
- a negative electrode side cover member 1 1 5 is disposed on the end face 1 1 0 e side (left front in FIG. 3) of the arranged unit cells 1 1 1, and the end face 1 1 0 f side (third In the figure, a positive side cover member 1 1 7 is arranged on the right rear side.
- an external negative terminal 1 1 6 that protrudes outside the module is disposed, and the negative electrode of the unit cell 1 1 1 located at one end (left side in FIG.
- the long side surfaces 1 1 0 a, 1 1 0 b and the short side surfaces 1 1 0 c, 1 1 0 d except for the end surfaces 1 1 0 e, 1 1 0 f are Covered with film 1 2 1.
- This film 1 2 1 is wound around an axis along the direction X of the unit cells 1 1 1 (unit cell arrangement direction) X with respect to the battery module '1 1 0.
- the gap between the single cells 1 1 1, the gap between the single cells 1 1 1 and the upper cover member 1 1 3, the single cell 1 1 1 and the negative side cover member 1 1 5 and the positive side The gap between the cover member 1 1 7 and the upper cover member 1 1 3 and the negative electrode side cover member 1 1 5 and the positive electrode side cover member 1 1 7 are hermetically sealed.
- the holding spacer 130 will be described (see FIG. 1, FIG. 2, FIG. 4 to FIG. 6).
- Parts of the holding spacer 1 3 0 other than the first elastic member (first elastic part) 1 4 3, second elastic member (second elastic part) 1 4 5 and plate rubber member 1 4 7 which will be described later Is integrally formed of a resin having electrical insulation.
- the holding spacer 1 3 0 is arranged in the gap between the battery modules 1 1 0 to hold the battery module '1 1 0, and between the battery module 1 1 0 and the holding spacer 1 3 0.
- a cooling path through which the cooling medium flows is formed.
- the holding spacer 1 30 has a substantially plate-like spacer body 1 3 1 that is directly interposed in the gap between the battery modules 1 10.
- One end of the spacer body 1 3 1 in the vertical direction Z (the upper end in FIGS. 1 and 2) is the first supporting the short side surface 1 1 0 c of the adjacent battery module 1 1 0 c.
- 1Module support parts 1 3 3 are provided (9 on one side, total 18). These first module 'support portions 1 3 3 project in the module row direction Y and have a plate shape perpendicular to the vertical direction Z.
- the other side of the spacer body 1 3 1 in the vertical direction Z (the lower end in FIGS.
- the battery module 1 1 0 attached to the holding spacer 1 3 0 is arranged between the first module support part 1 3 3 and the second module support part 1 3 5 so that the vertical direction Movement to z is restricted.
- These third module support portions 1 37 protrude in the module row direction Y, respectively.
- a plurality of fourth module support parts 1 3 9 for supporting e or 110 f (two on one side, a total of four) are provided.
- These fourth joule support portions 1 3 9 also project in the module row direction Y, respectively.
- the battery module 1 1 0 attached to the holding spacer 1 3 0 is disposed between the third module support portion 1 3 7 and the fourth module support portion 1 3 9, thereby Movement in row direction X is restricted.
- the spacer main body 1 3 1 includes a number of cooling path configurations in order to form a cooling path through which a cooling medium flows between the long side surfaces 1 1 0 a and 1 1 0 b of adjacent battery modules.
- Protrusions 1 4 1 are provided. These cooling path constituting protrusions 14 1 protrude in the module row direction Y and extend linearly in the vertical direction Z.
- the long side surfaces 1 1 0 a and 1 1 1 0 b of the electron module 1 1 0 attached to the holding spacer 1 3 0 are in contact with the cooling path constituent protrusions 1 4 1
- a cooling path is formed between 1 1 0 a and 1 1 0 b and the spacer body 1 3 1. '
- one end of the spacer body 1 3 1 in the vertical direction Z is a first elastic member that abuts against the first spacer support member 160.
- a plurality of members (first elastic portion) 1 4 3 are provided (two locations). These first elastic members 1 4 3 have a flat octagonal cylindrical shape, and are inserted into protrusions (not shown) on the upper end side of the spacer body 1 3 1 so that the spacer body 1 3 1 Fixed and protrudes in the vertical direction Z.
- the first elastic member 1 4 3 is entirely made of rubber and can be elastically deformed in the vertical direction Z.
- the spacer body 1 3 1 has a second spacer abutting against the second spacer support member 170 at the other end in the vertical direction Z (the lower end in FIGS. 1 and 2).
- Elastic member (second inertia part) 1 4 '5 is provided in plural (2 places).
- These second elastic members 1 45 also have a flat octagonal cylindrical shape, and are fixed to the spacer main body 1 3 1 by being inserted into a protrusion (not shown) on the lower end side of the spacer main body 1 3 1. Projecting in the vertical direction Z.
- Second elastic member 1 4 5 The whole is made of rubber and can be elastically deformed in the vertical direction Z.
- the holding spacer 1 30 is the first spacer in a state where the first elastic member 14 3 is elastically deformed (elastically compressed) in the vertical direction Z.
- the spacer holding member 1600 is elastically pressed against the spacer, and the second elastic member 145 is elastically deformed (elastically compressed) in the vertical direction Z. Press.
- the holding spacer 13 30 is elastically held between the first spacer holding member 160 and the second spacer holding member 170. Therefore, the holding spacer 1 3 0 is more effectively suppressed for a long time than in the past, especially when the holding spacer 1 3 0 is moved in the vertical direction Z. it can.
- first elastic member 14 3 and the second elastic member 1 4 5 are made of rubber, they can stably maintain elasticity over a long period of time as compared to metals and resins. Therefore, the anti-sliding effect of the holding spacer 1 30 can be maintained for a long time.
- first elastic member 14 3 and the second elastic member 1 45 are made of rubber, so that the friction of the contact portion between the first elastic member 14 3 and the first spacer support member 160 Since the frictional force at the contact portion between the second elastic member 1 45 and the second spacer support member 1 70 is increased, the holding spacer 1 3 0 is perpendicular to the vertical direction Z. (For example, the movement in the cell arrangement direction X and the module arrangement direction Y) can be effectively suppressed.
- the spacer main body 1 3 1 is provided with a plurality of plate-like rubber members 1 4 7 (2 on each side, 4 in total).
- This plate-like rubber member 1 4 7 has a rectangular shape that is long in the vertical direction Z, and has a shape in which the long side protruding portion (third elastic portion) 1 4 7 c protrudes in the module row direction Y ing.
- the plate-like rubber member 1 4 7 is fixed to the spacer main body 1 31 by being fitted into a rectangular through-hole formed in the spacer main body 1 3 1.
- the plate-like rubber member 14 7 is entirely made of rubber, and can be elastically deformed in the module arrangement direction Y at the long side protruding portion 1 4 7 c.
- the battery module 1 1 0 attached to the holding spacer 1 3 0 is a battery module in which these plate-like rubber members 1 4 7 (long side protrusions 1 4 7 c) are elastically deformed in the module arrangement direction Y.
- the battery module 110 is elastically held by the holding spacer 130. Accordingly, it is possible to prevent the battery module 110 from floating in the assembled battery 100, particularly moving in the module arrangement direction Y.
- the plate-like rubber member 14 7 (long-side protruding portion 1 4 7 c) ′ is made of rubber, it can stably maintain elasticity over a long period of time as compared with metal or resin. Therefore, the anti-slip effect of the battery module 110 can be maintained for a long time.
- the plate-like rubber member 14 7 (long-side protrusion 1 4 7 c) is made of rubber so that the long-side protrusion 1 4 7 c and the long side surface 1 1 0 a of the battery module 1 1 0 a, Since the frictional force at the contact point with 1 1 0 b increases, the battery module '1 1 0 moves in a direction perpendicular to the module arrangement direction Y (for example, the cell arrangement direction X or the vertical direction Z). Can also be effectively suppressed.
- the plate-like rubber member 14 7 (long-side protruding portion 1 4 7 c) has the first elastic member 14 3 and the second elastic member 1 4 5 in the unit cell arrangement direction X. And in the vertical direction Z, it is arranged at the center between the first elastic member 14 3 and the second elastic member 14 45. For this reason, the plate-like rubber member 14 7 (long-side protrusion 1 4 7 c) is held by the holding spacer 1 30 by the first and second spacer support members 1 60 and 1 70. Hold the battery module 1 1 0 Therefore, in particular, the battery module 110 can be securely held.
- the outer surface of the battery module 110 of this embodiment is covered with the film 12 1.
- the film 12 1 the outer surface of the battery module 110 of this embodiment.
- the assembled battery 100 is manufactured as follows. That is, the cells 11 1 1 manufactured by a known method are connected in series and arranged in a line (see FIG. 3). Thereafter, the upper cover member 1 1 3, the negative electrode side cover member 1 1 5, and the positive electrode side cover member 1 1 7 are respectively arranged at predetermined positions, covered and sealed with the film 1 2 1, and the battery module 1 1 0 Make. On the other hand, a holding spacer 1 30 is prepared (see FIGS. 1 and 2).
- the holding spacer 1 3 0 has a resin-made spacer main body 1 3 1 and a first inertia member 1 4 3 made of rubber, a second elastic member 1 4 5 and a plate-like rubber member 1 4 7 respectively. Just install it in position.
- the battery modules 110 are arranged in a row, and holding spacers 130 are interposed in the gaps. After that, the battery module 1 1 0 and the holding spacer 1 3 0 are totally restrained from the outside by the end plate 1 80 and the restraining port 1 8 5 to be integrated. (Refer to Fig. 7). Furthermore, if the battery module 1 1 0 and the holding spacer 1 3 0 are held by the first spacer support member 1 60 and the second spacer support member 1 7 0, the assembled battery 1 0 0 becomes Complete.
- FIG. 10 shows a battery module 2 10 constituting the assembled battery 2 0 0 of the second embodiment.
- the cell placement direction X of the cells 11 1 when the assembled battery is completed is the cell placement direction X
- the cell placement direction of the battery modules 210 is the module placement direction Y
- the direction perpendicular thereto Is the vertical direction Z.
- the battery module 1 1 0 is composed of eight unit cells 1 1 1, but the assembled battery 2 0 0 of Embodiment 2 is the battery module 2 1 0.
- Force S 1 The difference is that it is composed of two single cells 1 1 1.
- the form of the battery module 210 is different, the form of the holding spacer 23 30 for holding it and other parts are also slightly different.
- the configuration of the assembled battery 20 0 is the same as that of the assembled battery 1 0 0 of the first embodiment.
- each battery module 2 1 0 has two long side surfaces 2 1 0 a and 2 1 0 b facing each other, and two short side surfaces 2 1 0 c and 2 1 facing each other. It has a substantially rectangular parallelepiped shape having 0 d and two end faces 2 1 0 e and 2 1 0 f facing each other.
- the battery module 2 1 0 includes 12 single cells 1 1 1 arranged in a line from the left front to the right rear in FIG. Each unit cell 1 1 1 is connected in series with a safety valve (not shown) facing the short side face 2 1 0 c (upward in FIG. 10).
- the upper cover member 2 1 3 having a U-shaped cross section is formed as in the first embodiment.
- a negative electrode side cover member 2 15 is disposed on the end face 2 1 0 e side (left front in FIG. 10) of the unit cells 1 1 1 arranged in a row, and the end face 2 1 0 f side
- a positive electrode side cover member 2 17 is disposed on the right rear side in FIG. In the approximate center of the negative electrode side cover member 2 15, an external negative electrode terminal 2 16 that protrudes outside the module is disposed.
- an external positive terminal 2 1 8 that protrudes outside the module is disposed substantially at the center of the positive side cover member 2 17. Furthermore, the upper part of the positive side cover member 2 1 7 has a gas exhaust passage and An exhaust port 2 1 9 that communicates is provided. Also, out of the outer surface of this battery module 2 1 0, the long side surfaces 2 1 0 a, 2 1 0 b and the short side surfaces 2 1 0 c, 2 1 0 d except for the end surfaces 2 1 0 e and 2 1 0 f And is covered with film 2 2 1.
- the holding spacer 2 30 has a substantially plate-like spacer body 2 3 1 that is directly interposed in the gap between the battery modules 2 10.
- the spacer body 2 3 1 has one end in the vertical direction Z (the upper end in FIGS. 8 and 9) supporting the short side surface 2 1 0 c of the adjacent battery module 2 1 0 1st module
- a plurality of support parts 2 3 3 are provided (13 on one side, a total of 26). These first module 'support portions 2 3 3 protrude in the module arrangement direction Y and have a plate shape perpendicular to the vertical direction Z.
- the other side of the spacer body 2 3 1 in the vertical direction Z (the lower end in FIGS.
- one end of the cell body 2 3 1 in the cell arrangement direction X is the end face 2 1 0 e or 2 of the adjacent battery module '2 1 0
- Multiple third module supports 2 3 7 that support 1 0 f (2 on each side, 4 in total) are provided. These third module support portions 2 37 protrude in the module row direction Y, respectively.
- These fourth joule support portions 2 3 9 also project in the module row direction Y, respectively.
- the battery module 2 1 0 attached to the holding spacer 2 3 0 is arranged between the third module support part 2 3 7 and the fourth module support part 2 3 9 so that the cell array Movement in the installation direction X is restricted.
- the spacer main body 2 3 1 is provided with a number of cooling path constituting protrusions 2 4 1 as in the first embodiment. These cooling path constituting protrusions 2 41 protrude in the module row direction Y and extend linearly in the vertical direction Z. Retain spacer 2 to 3 0 The long side surfaces 2 1 0 a and 2 1 0 b of the installed battery module 2 1 0 are in contact with the cooling path constituting protrusions 2 4 1 and the long side surfaces 2 1 0 a and 2 1 0 b, respectively. A cooling path is formed between the main body 2 3 1 and the spacer.
- first elastic members 2 4 3 to be brought into contact with the first spacer support member (not shown) are provided.
- These first elastic members 2 4 3 have a cylindrical shape, and are fixed to the spacer main body 2 3 1 by inserting it into a protrusion (not shown) on the upper end side of the spacer body 2 3 1 so that it is vertical. Projects in direction Z.
- the first elastic member 2 4 3 is entirely made of rubber and can be elastically deformed in the vertical direction Z.
- the other end in the vertical direction Z (the lower end in FIGS. 8 and 9) is connected to the second spacer support member 1 700 of the first embodiment.
- a plurality of (three locations) second elastic members (second elastic portions) 2 45 that are brought into contact with similar second spacer support members (not shown) are provided.
- These second elastic members 2 45 also have a cylindrical shape and are fixed to the spacer main body 2 3 1 by being inserted into a protrusion (not shown) on the lower end side of the spacer main body 2 3 1. Projects in the vertical direction Z.
- the second elastic member 2 45 is also made entirely of rubber and can be elastically deformed in the vertical direction Z.
- the holding spacer 2 3 0 is elastic to the first spacer holding member in a state where the first elastic member 2 4 3 is elastically deformed (elastically compressed) in the vertical direction Z.
- the second elastic member 245 is elastically pressed against the second spacer holding member in a state where the second elastic member 245 is elastically deformed (elastically compressed) in the vertical direction Z.
- the holding spacer 2 30 is elastically held between the first and second spacer holding members. Therefore, it is possible to effectively suppress the holding spacer 2 30 from moving in the assembled battery 2 0 0, in particular, the movement of the holding spacer 2 3 0 in the vertical direction Z for a longer period of time than before.
- the spacer main body 2 3 1 is provided with a plurality of plate-like rubber members 2 4 7 (3 on each side, 6 in total).
- This plate-like rubber member 2 47 is the same as the plate-like rubber member 1 47 of the first embodiment, has a long rectangular shape in the vertical direction Z, and has a long side protrusion (third elastic portion) 2 4 7 c has a shape protruding in the module row direction Y.
- the battery module 2 1 0 attached to the holding spacer 2 3 0 has these plate-like rubber members 2 4 7
- FIG. 11 shows a holding spacer 3 30 constituting the assembled battery 3 0 0 according to the third embodiment.
- the direction from the upper left to the lower right is the cell arrangement direction X
- the direction from the upper right to the lower left is the module arrangement direction Y
- the direction perpendicular to these is the vertical direction ⁇ .
- the assembled battery 3 0 0 of this embodiment is different from the holding spacers 1 3 0 and 2 3 0 in the form of the holding spacer 3 3 0 in the assembled batteries 1 0 0 and the like in the first and second embodiments.
- the rest is basically the same as the first embodiment.
- the holding spacer 3 30 has a substantially plate-like spacer main body 3 31 directly interposed in the gap between the battery modules 110.
- the spacer body 3 3 1 one end (upper end in FIG. 11) in the vertical direction ⁇ is used instead of the first module ′ support portion 1 3 3, 2 3 3 in the first and second embodiments.
- a plurality of first module pressing portions 3 3 3 are provided for elastically pressing the short side surface 1 1 0 c of the battery module 1 ′ 1 0 in the vertical direction Z. These first module pressing portions 3 3 3 protrude in the module row direction Y and have a plate shape perpendicular to the vertical direction Z.
- the spacer main bodies 3 3 1 the other end in the vertical direction Z (the lower end in FIG.
- a second module 'supporting portion 3 3 5 for supporting d in the vertical direction Z is provided. These second module support portions 3 3 5 also project in the module row direction Y, and have a plate shape perpendicular to the vertical direction Z.
- the first module pressing portion 3 3 3 is disposed at a base end of a first elastic member (first elastic portion) 3 4 3 to be described later, and is accompanied by elastic deformation in the vertical direction Z of the first elastic member 3 4 3. Deflection and elastically press the short side face 1 1 0 c of the battery module 1 1 0 in the vertical direction Z.
- the battery module 1 1 0 has the first module pressing portion 3 3 3 in a state where the first module pressing portion 3 3 3 3 elastically presses the short side surface 1 1 0 c of the battery module 1 1 0 c in the vertical direction Z.
- Three And the second module support portion 3 3 5 are elastically sandwiched between them.
- the battery module 110 is inertially held between the first module pressing portion 3 33 and the second module support portion 3 35. Therefore, it is possible to effectively suppress the battery module '110 from floating in the assembled battery 300, in particular, the battery module 110 from moving in the vertical direction Z.
- a plurality of third module support sections and fourth module support sections are provided at both ends of the cell body 3 3 1 in the unit cell arrangement direction X, as in the first embodiment. ing. Then, the battery module 110 is arranged between the third module support part and the fourth module support part, so that the movement in the cell arrangement direction X is restricted.
- the spacer main body 3 3 1 has a cooling path through which a cooling medium flows between the long side surfaces 1 1 0 a and 1 1 0 b of the battery module, as in the first embodiment. A number of cooling path constituting protrusions 3 4 1 are provided.
- first elastic portions 3 4 3 are provided. These first elastic members 3 4 3 protrude in the vertical direction Z from the tips of the first module pressing portions 3 3 3.
- the first elastic member 3 4 3 has a semi-cylindrical shape, and forms a substantially cylindrical protrusion by facing the corresponding first elastic member 3 4 3 of the adjacent holding spacer 3 3 0. To do.
- the entire first elastic member 3 4 3 is made of rubber, and is elastically deformable in the vertical direction Z.
- the holding spacer 3 3 0 is the first spacer member 3 4 3 in the state in which the first spacer member 3 4 3 is elastically deformed in the vertical direction Z and elastically pressed against the first spacer holding member 1 60. It is elastically held between the holding member 160 and the second spacer holding member 170. For this reason, the holding spacer 3 30 is elastically held between the first spacer support member 160 and the second spacer support member 170. Therefore, it is effective that the holding spacer 3 3 0 moves in the assembled battery 3 0 0, particularly that the holding spacer 3 3 0 moves in the vertical direction Z for a long period of time compared to the conventional case. Can be suppressed.
- FIG. 12 shows the set according to the fourth embodiment.
- a holding spacer 4 3 0 constituting the battery 4 0 0 is shown.
- the cell arrangement direction X is from the upper left to the lower right
- the module arrangement direction Y is from the upper right to the lower left
- the direction perpendicular to these is the vertical direction ⁇ .
- the assembled battery 4 0 0 of the fourth embodiment has the same configuration as that of the holding spacer 4 3 0, but the holding spacer 1 3 0, 2 3 0, 3 3 Different from 0.
- the rest is basically the same as the first embodiment.
- the holding spacer 4 30 has a substantially plate-shaped spacer body 4 31 directly interposed in the gap between the battery modules 110.
- the short side surface 1 1 0 c of the battery module 1 1 0 c is attached to one end (upper end in FIG. 12) of the vertical direction ⁇ ⁇ as in the third embodiment.
- the spacer main body 4 3 1 the other end of the vertical direction ⁇ (the lower end in FIG.
- the first module pressing portion 4 3 3 is disposed at the base end of a first elastic portion 4 4 3 to be described later, and 'bends due to elastic deformation in the vertical direction Z of the first elastic portion 4 4 3, battery module 1 1 0 Short side 1 1 0 c is elastically pressed in the vertical direction Z. Then, the battery module '1 1 0 has the first module pressing portion 4 3 3 in a state where the short side surface 1 1 0 c of the battery module 1 1 0 is elastically pressed in the vertical direction Z. It is elastically held between the part 4 3 3 and the second module support part 4 3 5. For this reason, the battery module '1 10 is elastically held between the first module' pressing part 4 3 3 and the second module support part 4 3 5. Therefore, it is possible to effectively suppress the battery module 110 from floating in the assembled battery 400, particularly the battery module 110 from moving in the vertical direction Z.
- the spacer main body 4 3 1 a plurality of third module support portions and a plurality of fourth module support portions (not shown) are provided at both ends of the unit cell arrangement direction X, as in the first embodiment. It has been. Further, the battery module '110 is disposed between the third module support portion and the fourth module support portion, so that the movement in the unit cell arrangement direction X is restricted.
- the spacer main body 4 3 1 is configured to form a cooling path through which a cooling medium flows between the long side surfaces 1 1 0 a and 1 1 0 b of the battery module. As in Embodiment 1 and the like, a large number of cooling path constituting protrusions 4 4 1 are provided.
- one end in the vertical direction Z (the upper end in FIG. 1 2) has a first elastic portion 4 4 3 that contacts the first spacer support member 160.
- These first elastic parts 4 4 3 protrude from the tip of the first module pressing part 4 3 3 in the vertical direction Z.
- the first elastic parts 4 4 3 Cross section is substantially C-shaped, and the spacer body 4 3
- Z is elastically deformable.
- the holding spacer 4 3 0 is in a state in which the first spacer 4 4 3 is elastically deformed in the vertical direction Z and is in inertial pressure contact with the first spacer holding member 1 60.
- the holding member 1 6 0 and the second spacer holding member 1 70 are sandwiched by inertia. Therefore, the holding spacer 4 30 is elastically held between the first spacer support member 160 and the second spacer support member 170. Therefore, the holding spacer 4 3 0 is more effectively suppressed over a longer period of time than in the past, especially when the holding spacer 4 3 0 moves in the assembled battery 4 0 0 and moves in the vertical direction Z. it can.
- FIG. 13 shows a holding spacer 5 30 constituting the assembled battery 5 0 0 according to the fifth embodiment.
- the cell arrangement direction X is from the upper left to the lower right
- the module arrangement direction Y is from the upper right to the lower left
- the direction perpendicular to these is the vertical direction ⁇ .
- the assembled battery 5 0 0 of this embodiment is configured such that the holding spacer 5 3 0 is in the form of the holding spacer 1 3 0, 2 3 0, 3 3 0 , 4 3 0 and different.
- the rest is basically the same as the first embodiment.
- the holding spacer 5 30 according to the fifth embodiment is similar to the holding spacer 3 30 according to the third embodiment, and the spacer main body 3 3 1 directly interposed in the gap between the battery modules 1 10.
- the spacer main body 3 3 1 has In the spacer main body 3 3 1, one end of the vertical ridge (upper end in FIG. 13) is provided with a plurality of first module pressing portions 3 3 3 as in the third embodiment. ing.
- the spacer body 3 3 1 the other end of the vertical direction ⁇ (the lower end in Fig. 1 3)
- a plurality of second module pressing portions 5 3 5 that elastically press the short side surface 1 1 0 d of the battery module 1 1 0 in the vertical direction Z are provided. It has been.
- These second module pressing parts 5 35 like the first module pressing parts 3 3 3, respectively project in the module row direction Y and have a plate shape perpendicular to the vertical direction Z.
- the first module pressing portion 3 3 3 is disposed at the base end of the first elastic member (first elastic portion) 3 4 3, and is perpendicular to the first elastic member 3 4 3. Bends along with the elastic deformation in Z, and the short side surface 1 1 0 c of the battery module 110 is positively pressed in the vertical direction Z.
- the second module pressing portion 5 3 5 is disposed at the base end of a second elastic member (second elastic portion) 5 45 described later, and is used for elastic deformation in the vertical direction Z of the second elastic member 5 45.
- the short side surface 1 1 0 d of the battery module '1 1 0 is positively pressed in the vertical direction Z.
- the first module pressing portion 3 3 3 and the second module pressing portion 5 3 5 elastically connect the short side surface 1 1 0 c, 1 1 0 d of the battery module 1 1 0 In the state of being pressed in the vertical direction Z, the first module pressing part 3 3 3 and the second module pressing part 5
- the battery module 110 is inertially held between the first module pressing part 33 3 and the second module pressing part 5 35. Therefore, it is possible to more effectively suppress the battery module 110 from floating in the assembled battery 50 0, in particular, the battery module 110 moving in the vertical direction Z more effectively than in the case of the third embodiment. I can control.
- one end in the vertical direction Z is similar to the third embodiment in that the first spacer support member 1 6 0 (6th).
- first spacer support member 1 6 0 (6th
- first elastic members 3 4 3 that come into contact with
- the other end in the vertical direction Z (the lower end in FIG. 13) is different from the third embodiment in that the second spacer support member 1 7 0 (first A plurality of second elastic members (second elastic portions) 5 4 5 are provided in contact with each other. These second elastic members 5
- each second elastic member 5 4 5 protrudes in the vertical direction Z from the tip of the second module pressing portion 5 3 5.
- each second elastic member 5 4 5 has a semi-cylindrical shape and faces the corresponding second elastic member 5 4 5 of the adjacent holding spacer 5 3 0. Thus, a substantially columnar protrusion is formed.
- the second elastic member 5 4 5 is connected to the first elastic portion 3 4 3 Similarly, the whole is made of rubber and can be elastically deformed in the vertical direction Z.
- the holding spacer 5 3 0 includes the first elastic holding member 3 4 3 and the second inertia member 5 4 5 that are elastically deformed in the vertical direction Z, and the first spacer holding member 1 6 0 and the second spacer holding
- the elastic member is elastically held between the first spacer holding member 160 and the second spacer holding member 170 in a state in which the member 170 is elastically pressed. Therefore, the holding spacer 5 30 is elastically held between the first spacer support member 160 and the second spacer support member 170. Therefore, the holding spacer 5 3 0 is allowed to float in the assembled battery 5 0 0, in particular, the holding spacer 5 3 0 is moved in the vertical direction Z for a longer period than in the case of the third embodiment. Can be effectively suppressed.
- FIG. 14 shows a holding spacer 6 30 constituting the assembled battery 6 0 0 according to the sixth embodiment.
- the direction from the upper left to the lower right is the cell arrangement direction X
- the direction from the upper right to the lower left is the module arrangement direction Y
- the direction perpendicular to these is the vertical direction ⁇ .
- the shape of the holding spacer 6 3 0 is the holding spacer 1 3 0, 2 3 0, 3 3 0 of the assembled battery 1 0 0 etc. of Embodiments 1 to 5 above. , 4 3 0, and 5 3 0.
- the rest is basically the same as the first embodiment.
- the holding spacer 6 30 according to the sixth embodiment is similar to the holding spacer 4 30 according to the fourth embodiment.
- the spacer main body 4 3 1 directly interposed in the gap between the battery modules 1 10. Have And, in the spacer main body 4 3 1, one end of the vertical direction (upper end in FIG. 14) is provided with a plurality of first module pressing portions 4 3 3 as in the fourth embodiment. It has been.
- the spacer main body 4 3 1 the other end (the lower end in FIG. 14) of the vertical direction ⁇ is replaced with the battery module 1 in place of the second module support portion 4 3 5 of Embodiment 4 above.
- a plurality of second module pressing portions 6 3 5 that elastically press the 10 0 short side surface 1 1 0 d in the vertical direction ⁇ are provided.
- These second module pressing parts 6 3 5, like the first module pressing parts 4 3 3, project in the module row direction Y and are perpendicular to the vertical direction Z. Shape.
- the first module pressing portion 4 3 3 is disposed at the base end of the first elastic portion 4 4 3, and is accompanied by elastic deformation in the vertical direction Z of the first inertia portion 4 4 3. Bending, elastically pressing the short side surface 1 1 0 c of the battery module 1 1 0 in the vertical direction Z.
- the second module pressing portion 6 3 5 is disposed at the base end of a second elastic portion 6 45 described later, and bends along with inertial deformation in the vertical direction Z of the second elastic portion 6 45 5, The short side surface 1 1 0 d of module 1 1 0 is elastically pressed in the vertical direction Z.
- the first module pressing portion 4 3 3 and the second module pressing portion 6 3 5 elastically connect the short side surfaces 1 1 0 c, 1 1 0 d of the battery module 1 1 0
- the first module pressing part 4 3 3 and the second module pressing part 6 while being pressed in the vertical direction Z
- the battery module 110 is inertially held between the first module pressing portion 433 and the second module pressing portion 635. Accordingly, it is possible to more effectively suppress the battery module 110 from floating in the assembled battery 600, in particular, the battery module 110 moving in the vertical direction Z more effectively than in the case of the fourth embodiment. I can control. '
- one end in the vertical direction Z is similar to the first embodiment in that the first spacer support member 1 6 0 (the sixth There are a plurality of first elastic portions 4 4 3 that abut against (see the figure).
- the other end in the vertical direction Z differs from the fourth embodiment in that the second spacer support member 1 7 0 (first There are provided a plurality of second elastic portions 6 45 that abut against (see FIG. 6). These second elastic portions 6 45 are projected in the vertical direction Z from the tips of the second module pressing portions 6 35 5.
- This second elastic portion 6 45 like the first elastic part 4 43, has a substantially C-shaped cross section and is formed integrally with the spacer body 4 31 and is entirely made of resin.
- This second elastic portion 6 45 can also be elastically deformed in the vertical direction Z.
- the holding spacer 6 3 0 has the first spacer holding member 16 0 and the second spacer holding by the first elastic portion 4 4 3 and the second elastic portion 6 45 being elastically deformed in the vertical direction Z.
- the first spacer holding member 160 and the second spacer holding member 170 are elastically held between the first spacer holding member 160 and the member 170 in an elastically pressed manner. Therefore, the holding spacer 6 30 is inertially held between the first spacer support member 160 and the second spacer support member 170. Therefore, protection
- the holding spacer 6 3 0 is allowed to move freely with the assembled battery 6 0 0, and in particular, the holding spacer 6 3 0 is moved in the vertical direction Z over a longer period of time than in the case of the fourth embodiment. It can be effectively suppressed.
- the holding spacers 3 3 0 and 4 3 0 are provided with the first 1 ”raw parts 3 4 3 and 4 4 3 that are elastically deformed in the vertical direction Z.
- the lower ends of the holding spacers 3 30 and 4 30 are also elastically deformed in the vertical direction Z. 2 It is possible to provide the elastic portions 5 4 5 and 6 4 5. In this way, the movement of the holding spacers 3 30 and 3 40 can be more effectively suppressed.
- the second module is pressed by elastic deformation in the vertical direction Z and elastically pressed against the battery module 110. Portions 5 3 5 and 6 3 5 can be provided. In this way, the movement of the battery module 110 can be further effectively suppressed.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims
Priority Applications (3)
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JP2007503629A JP4702360B2 (ja) | 2005-02-18 | 2006-02-02 | 組電池 |
EP06713363.7A EP1852924B1 (en) | 2005-02-18 | 2006-02-02 | Battery pack |
US11/884,616 US8557429B2 (en) | 2005-02-18 | 2006-02-02 | Battery pack having battery modules held by holding spacers |
Applications Claiming Priority (2)
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JP2005042742 | 2005-02-18 | ||
JP2005-042742 | 2005-02-18 |
Publications (1)
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WO2006087962A1 true WO2006087962A1 (ja) | 2006-08-24 |
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PCT/JP2006/302220 WO2006087962A1 (ja) | 2005-02-18 | 2006-02-02 | 組電池 |
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US (1) | US8557429B2 (ja) |
EP (1) | EP1852924B1 (ja) |
JP (1) | JP4702360B2 (ja) |
CN (1) | CN100561773C (ja) |
WO (1) | WO2006087962A1 (ja) |
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Cited By (21)
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JP2007299544A (ja) * | 2006-04-27 | 2007-11-15 | Sanyo Electric Co Ltd | パック電池 |
JP2008053072A (ja) * | 2006-08-25 | 2008-03-06 | Toyota Motor Corp | 蓄電モジュール |
US9099714B2 (en) | 2006-09-01 | 2015-08-04 | Johnson Controls Hybrid And Recycling Gmbh | Electrical storage battery having spring damping element |
US7955729B2 (en) | 2006-09-06 | 2011-06-07 | Hitachi Vehicle Energy, Ltd. | Vibration resistant secondary battery module |
JP2009266653A (ja) * | 2008-04-25 | 2009-11-12 | Nissan Motor Co Ltd | 電池パック |
US8163419B2 (en) | 2008-12-17 | 2012-04-24 | Panasonic Ev Energy Co., Ltd. | Battery pack |
JP2010287408A (ja) * | 2009-06-11 | 2010-12-24 | Sanyo Electric Co Ltd | 角形電池及びこれを用いた組電池 |
KR101217072B1 (ko) * | 2009-11-05 | 2012-12-31 | 로베르트 보쉬 게엠베하 | 전지 팩 |
US8734978B2 (en) | 2009-11-05 | 2014-05-27 | Samsung Sdi Co., Ltd. | Battery pack |
KR101117687B1 (ko) | 2009-11-19 | 2012-03-05 | 에스비리모티브 주식회사 | 배터리 팩 |
US9214658B2 (en) | 2009-11-19 | 2015-12-15 | Samsung Sdi Co., Ltd. | Battery pack |
WO2012057322A1 (ja) * | 2010-10-30 | 2012-05-03 | 三洋電機株式会社 | 組電池及びこれを用いた車両 |
WO2013080338A1 (ja) * | 2011-11-30 | 2013-06-06 | 日立ビークルエナジー株式会社 | 電池ブロック及びそれを有する電池モジュール |
JP2013196826A (ja) * | 2012-03-16 | 2013-09-30 | Honda Motor Co Ltd | バッテリモジュール |
JP2016540342A (ja) * | 2013-10-16 | 2016-12-22 | ブルー ソリューションズ | 電気的エネルギ貯蔵装置及び電気的エネルギ貯蔵装置の組立て方法 |
JP2015159123A (ja) * | 2015-04-23 | 2015-09-03 | 三洋電機株式会社 | 組電池及びこれを装備する電動車両 |
JP2017076632A (ja) * | 2017-02-03 | 2017-04-20 | 株式会社豊田自動織機 | 電池パック |
US11721851B2 (en) | 2017-12-12 | 2023-08-08 | Samsung Sdi Co., Ltd. | Battery pack |
US11641037B2 (en) | 2018-12-23 | 2023-05-02 | Contemporary Amperex Technology Co., Limited | Battery module |
JP2021018879A (ja) * | 2019-07-18 | 2021-02-15 | 本田技研工業株式会社 | バッテリパック |
JP7149232B2 (ja) | 2019-07-18 | 2022-10-06 | 本田技研工業株式会社 | バッテリパック |
Also Published As
Publication number | Publication date |
---|---|
JP4702360B2 (ja) | 2011-06-15 |
JPWO2006087962A1 (ja) | 2008-07-03 |
US20080124622A1 (en) | 2008-05-29 |
EP1852924A1 (en) | 2007-11-07 |
CN101116198A (zh) | 2008-01-30 |
CN100561773C (zh) | 2009-11-18 |
EP1852924A4 (en) | 2013-02-27 |
US8557429B2 (en) | 2013-10-15 |
EP1852924B1 (en) | 2014-06-11 |
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