WO2015065044A1 - Cadre pour batterie secondaire, et module de batterie comprenant ledit cadre - Google Patents

Cadre pour batterie secondaire, et module de batterie comprenant ledit cadre Download PDF

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Publication number
WO2015065044A1
WO2015065044A1 PCT/KR2014/010253 KR2014010253W WO2015065044A1 WO 2015065044 A1 WO2015065044 A1 WO 2015065044A1 KR 2014010253 W KR2014010253 W KR 2014010253W WO 2015065044 A1 WO2015065044 A1 WO 2015065044A1
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WO
WIPO (PCT)
Prior art keywords
cooling plate
frame
secondary battery
support member
present
Prior art date
Application number
PCT/KR2014/010253
Other languages
English (en)
Korean (ko)
Inventor
김기연
성준엽
엄영섭
유성천
강달모
Original Assignee
주식회사 엘지화학
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to US15/028,764 priority Critical patent/US10026937B2/en
Priority to CN201480059273.1A priority patent/CN105900259B/zh
Priority to PL14859138T priority patent/PL3062361T3/pl
Priority to EP14859138.1A priority patent/EP3062361B1/fr
Priority claimed from KR1020140148143A external-priority patent/KR101658594B1/ko
Publication of WO2015065044A1 publication Critical patent/WO2015065044A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0486—Frames for plates or membranes
    • 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
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
    • 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
    • H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
    • 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
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • 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
    • 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
    • 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 a battery, and more particularly, to a frame for a secondary battery used when constructing a battery module including a plurality of secondary batteries and a battery module including the same.
  • водородн ⁇ е ⁇ е ⁇ ество Commercially available secondary batteries include nickel cadmium batteries, nickel hydride batteries, nickel zinc batteries, and lithium secondary batteries. Among them, lithium secondary batteries have almost no memory effect compared to nickel-based secondary batteries, and thus are free of charge and discharge. The self-discharge rate is very low and the energy density is high.
  • Such lithium secondary batteries mainly use lithium-based oxides and carbon materials as positive electrode active materials and negative electrode active materials, respectively.
  • the lithium secondary battery includes an electrode assembly in which a positive electrode plate and a negative electrode plate coated with such a positive electrode active material and a negative electrode active material are disposed with a separator interposed therebetween, and a packaging material for sealing and storing the electrode assembly together with an electrolyte, that is, a battery case.
  • a lithium secondary battery may be classified into a can type secondary battery in which an electrode assembly is embedded in a metal can and a pouch type secondary battery in which an electrode assembly is embedded in a pouch of an aluminum laminate sheet, depending on the shape of the exterior material.
  • secondary batteries are widely used not only in small devices such as portable electronic devices but also in medium and large devices such as automobiles and power storage devices.
  • medium and large devices such as automobiles and power storage devices.
  • a large number of secondary batteries are electrically connected to increase capacity and output.
  • a pouch type secondary battery is widely used in such a medium-large size device because of its easy lamination.
  • the pouch type secondary battery is generally packaged in a battery case of a laminate sheet of aluminum and a polymer resin, so the mechanical rigidity is not large. Therefore, when constructing a battery module including a large number of pouch type secondary batteries, a frame is often used to protect the secondary battery from external shocks, to prevent the flow thereof, and to facilitate lamination.
  • the frame may be replaced with various other terms such as a cartridge.
  • the frame may be formed in a rectangular plate shape in which the center part is empty. In this case, four side parts are configured to surround the outer circumference of the pouch type secondary battery.
  • the frame is used in the form of a plurality of stacked to form a battery module, the secondary battery may be located in the inner empty space generated when the frame is stacked.
  • cooling fins in a plate form may be interposed between the secondary batteries.
  • the secondary battery may be used in a high temperature environment such as summer, and heat may also be generated in the secondary battery itself.
  • the temperature of the secondary battery may be further increased. If the temperature is higher than an appropriate temperature, the performance of the secondary battery may be degraded, and in severe cases, there is a risk of explosion or fire. Therefore, when the battery module is configured, a configuration in which a cooling fin is interposed between the secondary batteries to prevent the temperature rise of the secondary battery through the cooling fins is often used.
  • the secondary battery can be cooled in various forms and manners.
  • the air-cooling type to lower the temperature of the secondary battery through heat exchange between the cooling plate and the air by allowing external air to flow around the cooling plate is widely used.
  • the present invention has been made to solve the above problems, the secondary battery frame and battery module, battery pack and the like that can ensure a stable flow path around the cooling plate to improve the cooling efficiency of the secondary battery and
  • the purpose is to provide a car.
  • the upper cooling plate and the lower cooling plate are configured in the form of a plate and are spaced apart from each other by a predetermined distance from each other;
  • a main frame having four sides and surrounding the outer circumferences of the upper cooling plate and the lower cooling plate and seated on an outer circumference of the pouch type secondary battery, and configured to stack two or more;
  • a support member provided between the upper cooling plate and the lower cooling plate to support the two cooling plates.
  • the main frame has an opening formed at a side thereof so that at least a part of the empty space between the upper cooling plate and the lower cooling plate is opened.
  • the main frame may be configured such that one pouch type secondary battery is seated on an upper portion of the upper cooling plate, and another pouch type secondary battery is seated on a lower portion of the lower cooling plate.
  • the support member is configured to maintain a distance between the upper cooling plate and the lower cooling plate within a predetermined range.
  • the support member is fastened by the upper cooling plate, the lower cooling plate and the fastening member.
  • the support member includes a protrusion and a hole is formed in the upper cooling plate and the lower cooling plate, and the protrusion is inserted into and fastened to the upper cooling plate and the lower cooling plate and the support member. Is fixed to be combined.
  • the support member is made of a metal material or a plastic material.
  • the support member is provided with two or more.
  • the support member is formed to extend in one direction.
  • the support member is provided at least partly on the outer circumference of the cooling plate in which the main frame is located.
  • At least one of the upper cooling plate and the lower cooling plate may have a bead formed to protrude in the direction of the other cooling plate.
  • the upper cooling plate and the lower cooling plate may be made of aluminum.
  • the support member, the upper surface and the lower surface may be formed in a flat shape.
  • the support member may further include an upper support part in contact with a lower surface of the upper cooling plate, a lower support part in contact with an upper surface of the lower cooling plate, and an interconnection between the upper support part and the lower support part and thinner than the upper support part and the lower support part. It may be provided with a connecting portion having a thickness.
  • the battery module according to the present invention for achieving the above object includes a secondary battery frame according to the present invention.
  • the battery pack according to the present invention for achieving the above object includes a secondary battery frame according to the present invention.
  • the vehicle according to the present invention for achieving the above object includes a secondary battery frame according to the present invention.
  • the cooling plate is provided on the frame itself, and only the secondary battery stacking frame needs to be laminated when the battery module is constructed, and there is no need for a separate structure or process for interposing the cooling plates between the secondary batteries. .
  • the battery module configuration using the laminated frame for the secondary battery can be more easily performed, the battery module structure can be simpler.
  • two secondary batteries are accommodated in one secondary battery stacking frame, and two cooling plates are positioned between the two secondary batteries. Therefore, since one cooling plate is provided for each secondary battery, the cooling efficiency of the secondary battery can be improved.
  • a flow path through which a fluid such as air can flow is formed between two cooling plates, and the support member is provided in the flow path, thereby preventing the flow path from narrowing and cooling by contraction of the secondary battery frame.
  • the cooling performance of the battery module can be secured stably.
  • FIG. 1 is a perspective view schematically showing the configuration of a frame for a secondary battery according to an embodiment of the present invention.
  • FIG. 2 is a right side view of the configuration of FIG. 1.
  • FIG. 2 is a right side view of the configuration of FIG. 1.
  • FIG 3 is a cross-sectional view showing a fastening structure of a support member and a cooling plate according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view showing a fastening structure between a support member and a cooling plate according to another embodiment of the present invention.
  • FIG. 5 to 7 are cross-sectional views showing a fastening structure of a support member and a cooling plate according to still another embodiment of the present invention.
  • FIG. 8 is a view schematically showing the configuration and arrangement of the support member according to an embodiment of the present invention.
  • FIG. 9 is a view schematically showing the configuration and arrangement of a support member according to another embodiment of the present invention.
  • FIG. 10 is a view schematically showing the configuration and arrangement of a support member according to still another embodiment of the present invention.
  • FIG. 11 is a view schematically illustrating a configuration method of a battery module according to an embodiment of the present invention.
  • the secondary battery frame according to the present invention is used when a battery module is constructed by stacking and packaging a plurality of secondary batteries.
  • the secondary battery frame may hold the secondary batteries to prevent the flow thereof and guide assembly of the secondary batteries.
  • FIG. 1 is a perspective view schematically illustrating a configuration of a frame 1000 for a secondary battery according to an exemplary embodiment of the present invention
  • FIG. 2 is a right side view of the configuration of FIG. 1.
  • a portion of the upper cooling plate 110 is shown in a cut form.
  • the secondary battery frame 1000 includes an upper cooling plate 110, a lower cooling plate 120, a main frame 200, and a support member 300.
  • the upper cooling plate 110 is configured in the form of a wide plate, and is disposed in a form in which a wide side is faced up and down.
  • the upper cooling plate 110 may be formed in the form of a square plate.
  • the lower cooling plate 120 like the upper cooling plate 110 is configured in the form of a plate, corresponding to the shape of the upper cooling plate 110, for example, to be formed in the same shape as the upper cooling plate 110. Can be.
  • the lower cooling plate 120 may be disposed under the upper cooling plate 110 in such a manner that a wide surface thereof faces the wide surface of the upper cooling plate 110.
  • the lower cooling plate 120 may be disposed to be spaced apart from the upper cooling plate 110 by a predetermined distance.
  • the lower cooling plate 120 may be arranged to be parallel to the upper cooling plate 110 in the horizontal direction.
  • the upper cooling plate 110 and the lower cooling plate 120 may be made of a material that is thermally conductive so as to exchange heat with secondary batteries positioned at the upper and lower portions, respectively.
  • the two cooling plates may be made of an aluminum material that is excellent in thermal conductivity and easy to form and light in weight.
  • the present invention is not necessarily limited to such a cooling plate material, and the cooling plate may be made of various materials such as metal other than aluminum.
  • the main frame 200 may have four sides and may be configured to surround the outer circumferential portions of the upper cooling plate 110 and the lower cooling plate 120.
  • the main frame 200 may be formed in a rectangular ring shape in which the shape of the main frame 200 viewed from the top to the bottom direction is empty.
  • the upper cooling plate 110 may be exposed in an empty center portion of the main frame 200 in an upper direction, and the lower cooling plate 120 may be exposed in a lower direction.
  • the main frame 200 may be manufactured by injection molding in a state where the upper cooling plate 110 and the lower cooling plate 120 are interposed, but the present invention is not necessarily limited to this manufacturing method.
  • the main frame 200 may be configured to mount a pouch type secondary battery.
  • the main frame 200 may be configured to be mounted on the outer peripheral portion of the pouch type secondary battery.
  • the main frame 200 may be configured of four unit frames, and both ends of each unit frame may be connected to adjacent unit frames. Therefore, four sides of the quadrangular pouch type secondary battery may be seated on the four unit frames.
  • the outer periphery of the pouch-type secondary battery having four sides is configured such that all four sides are seated on the main frame 200, or some of the four sides, for example, two sides are seated on the main frame 200. May be
  • two main pouch type secondary batteries may be mounted on the main frame 200. That is, in the main frame 200, the upper cooling plate 110 and the lower cooling plate 120 may be located at the center portion in the vertical direction, and the two pouch type secondary batteries may be the upper cooling plate in the main frame 200.
  • the upper and lower cooling plates 120 of 110 may be located at the bottom, respectively. Therefore, in this case, when a plurality of secondary battery frames are stacked in the vertical direction, two secondary batteries can be stored for each one of the secondary battery frames.
  • the main frame 200 may be configured such that two or more may be stacked, and thus, two or more secondary battery frames may be stacked. That is, with respect to the main frame 200 shown in FIG. 2, different main frames 200 may be stacked on the upper and lower portions, respectively. As such, when two or more secondary battery frames are stacked, the main frame 200 is disposed on the outer circumference of the secondary battery, and the cooling plate is disposed above or below.
  • the main frame 200 may be provided with a protrusion protruding in the vertical direction and the insertion groove of the shape corresponding to the protrusion in order to facilitate the stacking of two or more.
  • the main frame 200 may include a protrusion protruding upward in an upper direction with respect to at least one unit frame among four unit frames, as indicated by P in FIG. 2.
  • the main frame 200 may have a shape corresponding to the shape of the protrusion, and as shown by G in FIG. 2, an insertion groove having a concave shape may be formed under the corresponding unit frame.
  • the protrusion of the main frame 200 located in the lower layer may be inserted into the insertion groove of the main frame 200 located in the upper layer.
  • the lamination process can be easily performed by guiding the protrusions and the insertion grooves of the main frame 200, that is, the stacking of the secondary battery frame, and the lamination state due to the coupling force of the protrusions and the insertion grooves after lamination. Can be kept stable.
  • the main frame 200 may have an opening at a side surface, as indicated by O in FIGS. 1 and 2.
  • the opening may be configured to penetrate the main frame 200 in the horizontal direction, so that at least a portion of the empty space between the upper cooling plate 110 and the lower cooling plate 120 may be exposed to the outside. That is, in the laminated frame for a secondary battery according to the present invention, an empty space is formed between the upper cooling plate 110 and the lower cooling plate 120 so that the empty space may function as a flow path, and the openings may be The flow path formed between the cooling plates is exposed to the outer space of the main frame 200. Therefore, air or the like outside the main frame 200 may flow in and out into a flow path formed between two cooling plates through the opening.
  • At least two openings O may be formed in the main frame 200.
  • at least one opening may function as an inlet and the remaining opening may function as an outlet.
  • FIG. 1 when the main frame 200 is composed of four unit frames and each unit frame is positioned in the horizontal direction before, after, left and right, respectively, Openings may be formed in the right frame, respectively.
  • the opening formed in the right frame may function as the inlet
  • the opening formed in the left frame may function as the outlet. Therefore, as indicated by the arrow by the dotted line in FIG. 1, the outside air introduced into the opening of the right frame flows along the flow path between the two cooling plates, thereby performing heat exchange with the secondary battery through the cooling plate.
  • the air that has undergone heat exchange with the cooling plate may flow out to the outer space of the main frame 200 through the opening of the left frame.
  • the configuration in which two or more openings are formed in the main frame 200 as described above it is preferable that at least two openings are located on opposite sides of each other.
  • two openings may be formed in the left frame and the right frame, respectively, or two openings may be formed in the front frame and the rear frame, respectively.
  • the inlet and the outlet of the flow path are formed in the opposite direction, the flow of fluid flowing along the flow path can be formed in a straight direction. Therefore, in such a configuration, the inflow and outflow of the fluid can be made more smoothly and quickly, the fluid can flow in the entire section of the flow path formed between the cooling plate can be further improved cooling efficiency.
  • the support member 300 is provided between two cooling plates to support two cooling plates. That is, the support member 300 is provided in the empty space between the upper cooling plate 110 and the lower cooling plate 120, as shown in Figure 2, the upper end of the lower cooling plate 110 The lower end contacts the upper part of the lower cooling plate 120. Therefore, the support member 300 may support the upper cooling plate 110 in the upward direction and the lower cooling plate 120 in the downward direction.
  • the support member 300 may be configured to maintain a distance between the upper cooling plate 110 and the lower cooling plate 120 within a predetermined range.
  • the support member 300 may keep the distance between the upper cooling plate 110 and the lower cooling plate 120 constant. Therefore, according to this configuration of the present invention, the flow of the fluid through the flow path is reduced because the phenomenon that the flow path is reduced or blocked due to the close space between the upper cooling plate 110 and the lower cooling plate 120 is close. It can be made smoothly.
  • the cooling plate due to the distance between the upper cooling plate 110 and the lower cooling plate 120, the cooling plate is applied to the secondary battery, the assembly configuration of the secondary battery in the battery module is disturbed. Can prevent losing.
  • the support member 300 is a structure for supporting the upper cooling plate 110 and the lower cooling plate 120, it is preferably made of a material having a mechanical strength of a predetermined level or more.
  • the support member 300 may be made of a metal or plastic material such as steel.
  • the support member 300 may be configured to be engaged with at least one of the two cooling plates to be fixed without moving between the upper cooling plate 110 and the lower cooling plate 120.
  • FIG. 3 is a cross-sectional view showing a fastening structure of the support member 300 and the cooling plate according to an embodiment of the present invention.
  • the structure of FIG. 3 can be said to be one form of the cross section with respect to the part A of FIG.
  • the support member 300 may be fastened by the upper cooling plate 110, the lower cooling plate 120, and the fastening member 400.
  • the fastening member 400 may be used for various types of coupling members capable of coupling two members, such as rivets or bolts.
  • the support member 300 may be coupled to the cooling plate by two fastening members 400.
  • one fastening member 400 may be inserted and fastened to the upper portion of the support member 300 in a state of penetrating the upper cooling plate 110, and the other fastening member 400 is the lower cooling plate 120. It can be inserted into the lower portion of the support member 300 in a state penetrating.
  • the shape of the flow path can be stably maintained. Can be.
  • FIG. 4 is a cross-sectional view showing a fastening structure between the support member 300 and the cooling plate according to another embodiment of the present invention.
  • the configuration of FIG. 4 can be said to be another form of the cross section for the portion A of FIG. 1.
  • the support member 300 includes protrusions protruding upward and downward in the upper and / or lower portions, and the upper cooling plate 110 and the lower cooling plate 120 include: As indicated by H, holes may be formed. In addition, the protrusion of the support member 300 may be inserted into and fastened to the hole of the cooling plate, such that the upper cooling plate 110, the lower cooling plate 120, and the support member 300 may be fixedly coupled to each other.
  • the support member 300 may have a flat surface in contact with the upper cooling plate 110 and / or the lower cooling plate 120.
  • the support member 300 may have an upper surface contacting a lower portion of the upper cooling plate 110 and a lower surface contacting an upper portion of the lower cooling plate 120.
  • the support member 300 may include the lower surface of the upper cooling plate 110 and the lower cooling plate 120.
  • both the upper and lower surfaces may be configured in a flat form.
  • the support member 300 is in surface contact with the cooling plate, whereby the contact area of the support member 300 to the cooling plate can be widened. Therefore, the support member 300 can support a wider portion more stably with respect to the upper cooling plate 110 and the lower cooling plate 120, so that the fixing force of the support member 300 and the deformation preventing effect of the cooling plate are improved. Can be improved.
  • 5 to 7 are cross-sectional views showing the fastening structure of the support member 300 and the cooling plate according to another embodiment of the present invention.
  • the support member 300 may include an upper support part 310 contacting a lower surface of the upper cooling plate 110, a lower support part 320 contacting an upper surface of the lower cooling plate 120, and A connection part connecting between the upper support part 310 and the lower support part 320 may be provided.
  • the upper support portion 310 and the lower support portion 320, the upper surface and the lower surface in contact with the cooling plate may be formed in a flat shape, respectively.
  • the upper support part 310 and the lower support part 320 may be configured in the form of a flat plate on both the upper and lower surfaces.
  • connection part may support them between the upper support part 310 or the lower support part 320 and maintain a constant gap therebetween.
  • the connecting portion may have a thickness (length in the left and right directions in the drawing) smaller than the upper support portion 310 or the lower support portion 320.
  • the contact between the support member 300 and the cooling plate by the upper support portion 310 and the lower support portion 320 having a wide thickness is made stable and wide area, while having a thin thickness
  • the cooling passage can be secured more widely. Therefore, the cooling channel can be kept wide and stable by the support member 300.
  • connection part of the support member 300 may be positioned at the center portion of the upper support part 310 and the lower support part 320 in a horizontal direction (left and right directions of the drawing).
  • the support member 300 may have a shape substantially like "I".
  • the upper support portion 310 and the lower support portion 320 can be supported relatively uniformly and stably with respect to the entire portion by the connecting portion.
  • connection may be located in other places.
  • the connection portion may be located at the left end or the right end of the upper support 310 and the lower support 320.
  • the fastening member 400 such as rivets or bolts
  • the fastening member 400 can be secured to the upper support 310 and the lower support 320, a fastening process by these It may be easier and the tightening force may be improved.
  • connection portion, the coupling portion between the upper support portion 310 and the lower support portion 320 may be formed thicker than the other portion.
  • a portion coupled to the upper support portion 310 is formed to be thick, and the lower support portion is configured to become thinner and wider from the center portion as it descends to the center portion.
  • the portion combined with the 320 may be formed thick again.
  • the support member 300 may be configured such that the upper and lower portions are formed thickest, and become thinner closer to the central portion from the upper and lower portions.
  • the connection portion is formed thin in the center portion to secure a wide cooling flow path, while the upper and lower portions are formed relatively thick to increase the support for the upper support portion 310 and the lower support portion 320.
  • the support member 300 may be provided with two or more.
  • the plurality of support members 300 may be configured to be spaced apart from each other by a predetermined distance in a horizontal direction in a space between two cooling plates.
  • the upper cooling plate 110 and the lower cooling plate 120 can be stably supported over the entire portion due to the plurality of support members 300.
  • the distances between the support members 300 may be equally arranged. According to this embodiment, since the entire portions of the upper cooling plate 110 and the lower cooling plate 120 are uniformly supported, the deformation preventing effect of the cooling plate by the support member 300 may be further improved.
  • FIG. 8 is a view schematically showing the configuration and arrangement of the support member 300 according to an embodiment of the present invention.
  • the supporting member 300 positioned below the upper cooling plate 110 is indicated by a dotted line.
  • the support member 300 may be formed to extend in one direction.
  • the supporting member 300 can be arrange
  • the support member 300 may be arranged such that its longitudinal direction coincides with the direction of the flow path, that is, the flow direction of the fluid.
  • the flow paths are formed in the left and right directions, and the support member 300 is formed such that its length direction coincides with the direction of the flow path. It may be formed in a shape extending in the left and right directions.
  • the support member 300 is formed to elongate along the flow direction of the fluid in the flow path, not only the flow of the fluid is not disturbed by the support member 300, but also the flow of the fluid. Guided by the support member 300 can be made more smoothly.
  • a plurality of supporting members 300 extending in one direction may be included, and the plurality of supporting members 300 may be disposed in a direction perpendicular to the direction of the flow path.
  • each supporting member 300 is predetermined in a direction perpendicular to the direction of the flow path, that is, in the front-rear direction. The distances can be arranged.
  • the support member 300 may be configured such that at least a portion of the support member 300 is provided at an outer circumferential portion of the cooling plate on which the main frame 200 is located.
  • the support member 300 is located near the outer periphery of the upper cooling plate 110 and the lower cooling plate 120, such as the portion indicated by C in the configuration of FIG. 8, such that the main frame 200 is upper and lower portions. It can be provided in the part located in.
  • the upper cooling plate 110 and the lower cooling plate 120 tend to be deformed at the outer circumferential portion, i.e., near the edge.
  • the support member 300 is located near the edge of the cooling plate. Since it is supported by, the deformation near the edge of the cooling plate can be prevented, and thus problems such as clogging of the flow path can be prevented.
  • FIG. 9 is a view schematically showing the configuration and arrangement of the support member 300 according to another embodiment of the present invention. 9, the support member 300 is shown with the dotted line like FIG.
  • the configuration different from the configuration of FIG. 8 among the components of FIG. 9 will be mainly described, and detailed descriptions of parts to which the configuration of FIG. 8 may be similarly applied will be omitted.
  • the support member 300 may be configured such that the front and rear lengths and the left and right lengths have a similar length without being formed to extend in a specific direction.
  • the support member 300 may be arranged to be spaced apart from each other by a predetermined distance so as to support the entire portion of the cooling plate.
  • the support member 300 may be arranged not only in the direction perpendicular to the direction of the flow path, but also in the same direction as the direction of the flow path. That is, in the embodiment of FIG.
  • the plurality of supporting members 300 are not only arranged at a predetermined distance apart in the front-back direction perpendicular to the direction of the flow path, but also spaced at a predetermined distance in the left-right direction which is the same direction as the direction of the flow path. Can be arranged.
  • FIG. 10 is a view schematically showing the configuration and arrangement of the support member 300 according to another embodiment of the present invention.
  • the support member 300 is indicated by a dotted line, and description will be given based on the difference.
  • beads may be formed in the upper cooling plate 110, as indicated by letter D.
  • FIG. although not shown in FIG. 10, beads may be formed in the lower cooling plate 120 in a shape corresponding to that of the upper cooling plate 110.
  • the bead (D) may be configured to protrude in a different cooling plate direction. That is, the beads formed on the upper cooling plate 110 may be formed to protrude in the lower direction, and the beads formed on the lower cooling plate 120 may be formed to protrude in the upper direction. In this case, the beads formed on the upper cooling plate 110 and the beads formed on the lower cooling plate 120 may be configured to contact each other.
  • such a bead may be formed in a form extending in one direction, the length direction may be configured to be a direction parallel to the direction of the flow path.
  • a plurality of beads may be formed in the upper cooling plate 110 and / or the lower cooling plate 120.
  • the beads may be arranged to be spaced apart from each other by a predetermined distance in a horizontal direction, particularly in a direction perpendicular to the direction of the flow path.
  • the support member 300 may be disposed at a portion where the beads are not formed.
  • the support member 300 may be disposed to be spaced apart from each end of the bead extending in one direction by a predetermined distance in the direction of the flow path.
  • the battery module according to the present invention includes a plurality of the above-described secondary battery frames.
  • FIG. 11 is a view schematically illustrating a configuration method of a battery module according to an embodiment of the present invention.
  • a battery module according to the present invention may include a plurality of secondary battery frames 1000 together with a plurality of pouch-type secondary batteries 10.
  • the secondary battery frame 1000 may be stacked in a vertical direction, and the pouch type secondary battery 10 may be accommodated in an internal space formed by the stacking of the secondary battery frame 1000.
  • the battery module according to the present invention may be configured to accommodate two pouch-type secondary batteries 10 per one secondary battery frame 1000.
  • the battery pack according to the present invention may include one or more battery modules according to the present invention.
  • the battery module may include a plurality of secondary battery frames according to the present invention.
  • the battery pack according to the present invention in addition to such a battery module, a case for accommodating the battery module, various devices for controlling the charge and discharge of the battery module, such as BMS (Battery Management System), current sensors, fuses, etc. It may be further included.
  • BMS Battery Management System
  • the frame for secondary batteries according to the present invention can be applied to an automobile such as an electric vehicle or a hybrid vehicle. That is, the vehicle according to the present invention may include the battery pack according to the present invention, and the battery pack may include the frame for the secondary battery according to the present invention.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne un cadre pour batterie secondaire permettant d'améliorer l'efficacité de refroidissement d'une batterie secondaire en fixant de manière stable un chemin de circulation autour d'une plaque de refroidissement, ainsi qu'un module de batterie et un bloc-batteries comprenant un cadre pour batterie secondaire. Le cadre pour batterie secondaire selon la présente invention comprend : une plaque de refroidissement supérieure et une plaque de refroidissement inférieure, formées en forme de plaques et agencées en étant opposées et séparées l'une de l'autre à une distance spécifique ; un cadre principal comprenant quatre côtés entourant la périphérie externe de la plaque de refroidissement supérieure et de la plaque de refroidissement inférieure, et configuré de façon à recevoir la partie de périphérie externe d'une batterie secondaire de type sachet et de façon à pouvoir empiler au moins deux cadres ; et un élément de support disposé entre la plaque de refroidissement supérieure et la plaque de refroidissement inférieure pour supporter les deux plaques de refroidissement.
PCT/KR2014/010253 2013-10-31 2014-10-29 Cadre pour batterie secondaire, et module de batterie comprenant ledit cadre WO2015065044A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US15/028,764 US10026937B2 (en) 2013-10-31 2014-10-29 Frame for secondary battery and battery module comprising the same
CN201480059273.1A CN105900259B (zh) 2013-10-31 2014-10-29 用于二次电池的框架和包括该框架的电池模块
PL14859138T PL3062361T3 (pl) 2013-10-31 2014-10-29 Ramka dla baterii akumulatorowej i zawierający ją moduł akumulatorowy
EP14859138.1A EP3062361B1 (fr) 2013-10-31 2014-10-29 Cadre pour batterie secondaire, et module de batterie le comprenant

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20130131169 2013-10-31
KR10-2013-0131169 2013-10-31
KR10-2014-0148143 2014-10-29
KR1020140148143A KR101658594B1 (ko) 2013-10-31 2014-10-29 이차 전지용 프레임 및 이를 포함하는 배터리 모듈

Publications (1)

Publication Number Publication Date
WO2015065044A1 true WO2015065044A1 (fr) 2015-05-07

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PCT/KR2014/010253 WO2015065044A1 (fr) 2013-10-31 2014-10-29 Cadre pour batterie secondaire, et module de batterie comprenant ledit cadre

Country Status (1)

Country Link
WO (1) WO2015065044A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060072922A (ko) * 2004-12-24 2006-06-28 주식회사 엘지화학 신규한 구조의 전지 카트리지와 그것을 포함하고 있는개방형 전지 모듈
KR20070110565A (ko) * 2006-05-15 2007-11-20 주식회사 엘지화학 중대형 전지모듈
JP2011014519A (ja) * 2009-06-04 2011-01-20 Honda Motor Co Ltd 燃料電池スタック
KR20110026048A (ko) * 2009-09-07 2011-03-15 현대자동차주식회사 배터리 팩
KR20110126764A (ko) * 2010-05-18 2011-11-24 주식회사 엘지화학 콤팩트하고 안정성이 우수한 냉각부재와 이를 포함하는 전지모듈

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060072922A (ko) * 2004-12-24 2006-06-28 주식회사 엘지화학 신규한 구조의 전지 카트리지와 그것을 포함하고 있는개방형 전지 모듈
KR20070110565A (ko) * 2006-05-15 2007-11-20 주식회사 엘지화학 중대형 전지모듈
JP2011014519A (ja) * 2009-06-04 2011-01-20 Honda Motor Co Ltd 燃料電池スタック
KR20110026048A (ko) * 2009-09-07 2011-03-15 현대자동차주식회사 배터리 팩
KR20110126764A (ko) * 2010-05-18 2011-11-24 주식회사 엘지화학 콤팩트하고 안정성이 우수한 냉각부재와 이를 포함하는 전지모듈

Non-Patent Citations (1)

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Title
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