• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    apparatus and methods for storing one and several objects with top and bottom ends and container. it is a device that stores at least one object with at least one upper end and at least one lower end. the apparatus includes a container configured to store at least one object and a pouch containing a liquid. the pouch is configured to substantially cover at least an upper end of at least one object when stored within the container. the pouch is configured to make contact with at least one upper end of at least one object and open when contacting contents ejected from at least one object due to thermal runaway.
    公开号:BR112013033087B1
    申请号:R112013033087-2
    申请日:2012-07-06
    公开日:2021-08-24
    发明作者:Mark Richard Petzinger
    申请人:Federal Express Corporation；
    IPC主号:
    专利说明:

    DESCRIPTIVE REPORT Priority
    [001] This Order claims the benefit of United States Interim Order No. 61/505,401, filed on July 7, 2011, which is incorporated by reference into this document in its entirety. Field
    [002] In general terms, the present invention relates to a cooling method and system, and more specifically, to a method and system for cooling a stack. Background
    [003] Batteries such as lithium or lithium ion batteries may suffer thermal leakage under certain conditions, for example when defective, damaged, overheated, etc. When a pile experiences thermal leakage, its temperature rises until it releases hot, pressurized gases (for example, at about 450 to 500 degrees Fahrenheit). While releasing gas, the temperature of the heap continues to increase (for example, up to about 1,000 to 1,050 degrees Fahrenheit). Jets of flaming materials (eg flaming liquid electrolyte) and/or smoke may also be produced and released from the stack. Heat, gases and/or flames can be produced in sufficient quantities to lead to combustion and destruction of materials in close proximity to the pile, such as the packaging that surrounds it.
    [004] It is common to store and pack multiple stacks together in a single package for shipping and/or other applications. However, when a pile in the package experiences thermal leakage, the high heat, gases and/or flames produced by it can heat up and/or come into contact with adjacent cells in the same package, causing them to also overheat and suffer thermal leakage . A chain reaction can occur as each stack experiencing thermal runaway can cause adjacent stacks to runaway as well. Therefore, if a battery experiencing thermal runaway is surrounded by one or more other cells in a package, a single case of thermal runaway can lead to thermal runaway from several cells, which in turn can lead to further collateral damage. For example, the packaging containing the batteries can be destroyed, and when multiple batteries experience thermal leakage, temperatures can reach up to about 2,500 degrees Fahrenheit. As such, thermal runaway is a concern as a single incident in a pile can lead to significant property damage and, in some circumstances, bodily injury or even death.
    [005] The disclosed method and system aim to overcome one or more of the problems defined above. SUMMARY
    [006] According to an example, an apparatus for storing at least one object with at least one upper end and at least one lower end includes a container configured to store at least one object. The apparatus also includes a pouch that contains a liquid and is configured to substantially cover at least an upper end of at least one object when stored within the container. The pouch is configured to make contact with at least one upper end of at least one object and open when it comes into contact with contents expelled by at least one object due to thermal leakage.
    [007] According to another example, a method for storing at least one object with at least one top end and at least one bottom end includes inserting at least one object into a container. The method also includes arranging a pouch containing a liquid over at least one top end of at least one object such that the pouch substantially covers at least one top end of at least one object. The pouch includes a layer configured to make contact with at least one top edge of at least one object and made of a material with a melting point less than about 400 degrees Fahrenheit.
    [008] According to another example, a method for storing multiple objects with top ends and bottom ends includes inserting the various objects into a container. The various objects are arranged in parallel such that their upper ends line up and their lower ends come into contact with a surface of the container. The method also includes arranging a pouch containing a liquid over the upper ends of the various objects such that the pouch substantially covers the various objects. The pouch is configured to make contact with the upper edges of the various objects and open when it comes into contact with contents expelled by at least one of the various objects due to thermal runaway.
    [009] According to yet another example, a container that defines a cavity and is configured to transport objects includes a fluid and at least one sealed enclosure. The sealed housing is configured to (i) contain the fluid, (ii) substantially cover the top end of at least one object in the container, (iii) make contact with the top end of at least one object, and (iv) release the fluid when a content is expelled from the at least object.
    [0010] It should be understood that both the foregoing general description and the detailed description below are merely explanatory and do not limit the invention. BRIEF DESCRIPTION OF THE DRAWINGS
    [0011] FIG. 1 illustrates a perspective view of the structure of a container that includes a pouch and several stacks according to an exemplary embodiment;
    [0012] FIG. 2 illustrates a cross-sectional view of the container of Fig. 1;
    [0013] FIG. 3 illustrates a cross-sectional view of the container of Fig. 1 with a leaking pile;
    [0014] FIG. 4 illustrates a cross-sectional view of the container of Fig. 1 in which the pouch is open;
    [0015] FIG. 5 illustrates a cross-sectional view of a pouch made of sheet material encapsulating air pockets according to an exemplary embodiment;
    [0016] FIG. 6 illustrates a cross-sectional view of a container that includes a waterproof layer according to an exemplary embodiment;
    [0017] FIG. 7 illustrates a perspective view of a container according to another exemplary embodiment with a closed lid;
    [0018] FIG. 8 illustrates a perspective view of the container of Fig. 7 with the lid open and including a pouch and several batteries; and
    [0019] FIG. 9 illustrates a perspective view of the container of Fig. 7 with the lid open and the pouch removed.
    Hereinafter, reference will be made in detail to the exemplary embodiments illustrated in the accompanying drawings. Wherever possible, like reference numerals are used throughout the drawings to indicate like or similar parts.
    Figs. 1 to 4 illustrate an exemplary container 10 for storing one or more stacks 20, for example, during transport or for other applications. Container 10 may include at least one sidewall 12 and a bottom surface 14 which define a space in which to store stacks 20. In the exemplary embodiment illustrated in Fig. 1, container 10 is a rectangular prism with four sidewalls 12, but the number of side walls 12 may vary depending on the shape of the container 10. In addition, the container 10 may have at least a partially open top (i.e., no lid) or include a closure lid.
    [0022] The container 10 can be made of various types of material. In the exemplary embodiment illustrated in Figs. from 14, the container 10 is made of corrugated cardboard. Alternatively, container 10 can be made from other materials commonly used as packaging material such as other types of cardboard, paper, plastic and/or other substantially rigid and/or foldable materials. Materials can be treated with wax, polymers, waterproof substances, oil proof substances etc., as is known in the art.
    [0023] Batteries 20 can include any type of battery. For example, the batteries 20 can include any of a number of different chemistries and configurations including, but not limited to, lithium batteries, lithium ions (i.e., lithium iron phosphate, lithium cobalt oxide, other lithium metal oxides, etc.). ), lithium ion polymers, nickel metal hydride, nickel cadmium, nickel hydrogen, nickel zinc, silver zinc, alkaline or other battery type/configuration. Furthermore, the cells 20 can include any combination of cells of various different chemistries.
    [0024] Any number of stacks 20 can be stored in container 10, for example, depending on the size of the container. In the exemplary embodiment illustrated in Figs. from 1 to 4, multiple stacks 20 are stored in container 10. Alternatively, any number of stacks 20 from 1 to more than 1,000 can be stored in container 10. Also, when container 10 stores multiple stacks 20, stacks 20 can be stored side by side and in contact with each other, as illustrated in Figs. 1 through 4. Alternatively, one or more spacers 13 (Figs. 8 and 9) may be included to separate the stacks 20 from each other and/or from the side walls 12. The stacks 20 can be arranged in various known configurations to store batteries 20.
    [0025] Each stack 20 may include an upper end 22 and a lower end 24. For example, as illustrated in Figs. 1-4, the upper end 22 may include a positive terminal, for example in the form of a cylindrical protrusion (knob) 26 extending from the battery housing 20 and a leak or discharge port (not shown), as is known in the art. The stacks 20 may be disposed within the container 10 such that their lower ends 24 contact and rest on the lower surface 14 of the container 10, as illustrated in Figs. 2 through 4. Top ends 22 of stacks 20 can also be aligned with each other.
    [0026] A pouch 40 can be disposed over the stacks 20 in the container 10 and make contact and rest on them. For example, as illustrated in Figs. from 1 to 4, pouch 40 is disposed and rests on top ends 22 of stacks 20. Pouch 40 may be sized (i.e., length and width) to substantially cover stacks 20 or to substantially cover at least the majority. of the upper ends 22 of the stacks 20. In one embodiment, the pouch 40 is substantially the same length and the same width (or somewhat smaller) as the space formed by the container 10 and can be disposed within the container 10 along with the stacks 20 Although the size of the bag 40 depends on the size of the stacks 20, the size of the bag 40 can range, for example, from about three inches by about three inches to about two feet by about two feet. Alternatively, the length and/or width of the pocket 40 can be shorter or longer.
    [0027] The height of the bag 40 may depend on its contents, as described below. For example, the height can be around one to two inches. Alternatively, the height of the bag 40 can be made smaller or larger.
    The pouch 40 includes a sealed cavity defined within a film or layer 42 of material. The sealed cavity formed in pouch 40 contains a fluid 44. For example, pouch 40 can be a flexible container that can be closed or sealed (i.e., using a heat sealer) to retain, store or transport fluid 44. The layer 42 can be made from any material used to manufacture plastic bags or other types of flexible bag known in the art such as polyethylene, polystyrene, polypropylene, polyurethane, multi-row bags, polyvinyl acetate (PVA), polyvinylidene chloride (e.g., film plastic), nylon etc.
    [0029] Layer 42 can be made of a material with a relatively low melting point. For example, layer 42 can melt at temperatures within the range, for example, of less than about 400 degrees Fahrenheit, less than about 300 degrees Fahrenheit, less than about 200 degrees Fahrenheit, less than about 180 degrees Fahrenheit, any range between these temperatures, etc. In addition, the thickness of layer 42 can be similar to the thickness of a layer used to make plastic bags or other types of flexible bag known in the art, such as a thickness in the range of about 0.0005 inches to about 0.005 inches.
    [0030] The fluid 44 can be a gas (eg air etc.) and/or a liquid (eg water etc.). In one exemplary embodiment, pouch 40 contains about 100% water. In another exemplary embodiment, pouch 40 contains about 95% to about 98% water or other liquid, and the other about 2% to about 5% includes another substance. Other substances can be used to increase the viscosity, evaporation time, cooling and/or fire extinguishing or flame retardant characteristics of the fluid 44. These other substances can include a gel, polymer, etc. For example, sodium polyacrylate is a powder that absorbs water to form a gel that acts as a thickening agent.
    [0031] The layer 42 of the bag 40 serves as a barrier between the fluid 44 in the bag 40 and the upper ends 22 of the stacks 20 and opens when it comes into contact with contents expelled by any of the stacks 20. For example, Fig. 2 illustrates three of the stacks 20 stored in the container 10 of the exemplary embodiment with the pouch 40 located thereon. The three piles 20 include a first pile 30 and two piles 32 adjacent to the first pile 30.
    [0032] The first stack 30 can suffer thermal leakage, thus causing, among other things, the first stack 30 to increase in temperature and/or expel or release contents 50 from within it, such as flames and/or jets of fluids (by example, gases or liquids such as liquid electrolyte). Fig. 3 illustrates the first stack 30 releasing contents 50 from within it.
    [0033] Due to thermal leakage, the first stack 30 and/or the released contents 50 can reach a temperature approximately equal to or greater than the melting point of the material that constitutes layer 42 of bag 40, the temperature of fluid 44 in the bag 40 may increase enough to cause the pressure within pouch 40 to rupture layer 42 and/or the released contents 50 may be expelled with sufficient force to rupture layer 42. Due to the melting and/or rupture described above, a or more openings 46 can form in layer 42 of pouch 40, thus causing fluid 44 to leak therefrom.
    [0034] Fig. 4 illustrates fluid 44 released from pouch 40 through openings 46 formed in layer 42. Openings 46 can be located broadly over first stack 30. As shown in Fig. 4, openings 46 can also be located broadly over other piles 32 adjacent to the first pile 30 and/or within the container 10. As such, the fluid 44 can substantially coat and cool the first pile 30 and/or the remaining piles, for example, by evaporation. Fluid 44 flows into the first stack 30, around stacks 30 and 32 and then evaporates. Therefore, the fluid 44 cools the first pile 30 undergoing thermal leakage and/or the other piles 32 in order to decrease the heat and/or combustion that occur due to the thermal leakage of the first pile 30 and/or to help prevent that the remaining 32 cells suffer thermal leakage, which could lead to a chain reaction.
    [0035] As noted above, in one example, the amount of fluid 44 contained in bag 40 depends on the size and number of stacks 20 positioned under bag 40, and/or the amount of fluid provided to sufficiently cool the first stack 30 and/or the remaining cells 32 and/or help prevent a chain reaction. Similarly, the height of pouch 40 may depend on the amount of fluid 44 contained in pouch 40.
    [0036] Furthermore, as noted above, in one example, the composition of fluid 44 includes substances to increase the resistance to flow of fluid 44 (e.g., a gel, a gel-forming substance, other thickening agents, etc.). As a result, fluid 44 flows over stacks 20 more slowly, which helps to cool stacks 20 more efficiently, rather than passing through stacks 20 relatively quickly. Fluid 44 may also have a low enough flow resistance to allow it to flow enough around stacks 20.
    [0037] Fig. 5 illustrates a pouch 40a that includes layer 42 and fluid 44 described above. Pouch 40a may also be made of sheet material with air pockets 60 according to another exemplary embodiment. For example, the bag 40a can be made using sheet material commonly called "bubble wrap", in which the bubbles of the bubble wrap are formed by layers 62 that encapsulate the air pockets 60. The layers 62 can be similar (by example, with regard to thickness and material) to layer 42 described above. The bubble wrap can be sealed at the edges of layer 42 to form pouch 40a and can contain fluid 44. Thus, air pockets 60 can be formed between layers 42 and 62. Pouch 40a can be positioned over stacks 20 such that fluid 44 is separated from stacks 20 by a barrier composed of layers 42 and 62 and air pockets 48. Alternatively, instead of multiple air pockets 60, pocket 40a can be formed with a single pocket. of air 60 separating fluid 44 from cells 20.
    [0038] In this configuration, when the pile that experiences thermal leakage (for example, the first pile 30) heats up, its heat is transferred first to the air bags 60 instead of directly to the fluid 44. Then, the pile that suffers thermal runaway reaches a temperature that causes it to expel the contents 50 and/or melts layers 42 and 62 enough to form opening 46, which releases fluid 44 to coat stacks 20.
    [0039] Fig. 6 illustrates the container 10 with a waterproof layer 16 according to another exemplary embodiment. For example, the waterproof layer 16 can be a coating, such as a plasticized coating, applied to the inner surfaces of the side walls 12 and/or the bottom surface 14 of the container 10. Alternatively, the waterproof layer 16 it can be in the form of a tray, such as a plastic tray shaped substantially corresponding to the shape of the inner surfaces of the side walls 12 and/or the bottom surface 14 of the container 10. The plastic tray can be inserted into the container 10 before inserting the cells 20 and the bag 40 in it.
    [0040] The waterproof layer 16 can prevent the fluid 44 released from the bag 40 from being absorbed into the container 10. When the fluid 44 is absorbed into the container 10, it is possible that it does not cover the batteries 20 for a long time. enough to cool them down enough. Furthermore, the waterproof layer 16 prevents the container 10 from being damaged and/or weakened, from leaking fluid 44 into the surrounding environment, etc.
    [0041] Furthermore, in another exemplary embodiment, container 10 may include one or more components 70 and one or more sensors 72 connected to pouch 40, such as layer 42 of pouch 40 or another part of pouch 40 in contact with the batteries 20. In the exemplary embodiment illustrated in Fig. 6, a plurality of components 70 and sensors 72 form a continuous layer attached to the lower surface of layer 42 of pouch 40. Alternatively, one or more components 70 and one or more sensors 72 may be spaced apart from one another. of the others on the lower surface of layer 42 of pouch 40. For example, the spacing and number of components 70 and/or sensors 72 may depend on the size and/or number of stacks 20 stored under pouch 40 such that at least one component 70 and at least one sensor 72 can be located, as a rule, close to each stack 20. According to another alternative, the one or more components 70 and/or the one or more sensors 72 can be formed inside bag 40, ok 1 as in an upper surface of layer 42 such that layer 42 forms a barrier between stacks 20 and one or more components 70 and/or one or more sensors 72.
    [0042] Sensors 72 detect the thermal runaway. For example, sensors 72 detect a temperature change above a predetermined threshold, such as 180 degrees Fahrenheit, 200 degrees Fahrenheit, 300 degrees Fahrenheit, 400 degrees Fahrenheit, or another temperature threshold. Alternatively, sensors 72 detect a predetermined amount of a substance expelled by a battery undergoing thermal leakage, such as a gas or liquid expelled from the battery (eg, electrolyte, carbon dioxide, hydrogen gas, carbon monoxide, methane, ethane, ethylene etc.). According to another alternative, sensors 72 detect a predetermined amount of force transmitted from content 50 released by a battery undergoing thermal leakage.
    [0043] When sensors 72 detect thermal leakage, components 70 release the fluid 44 contained in pouch 40. For example, components 70 can erupt or form a hole or other opening in layer 42 or other part of pouch 40. For example , components 70 may include a valve or other device configured to open and/or close when actuated.
    Figs. 7-9 illustrate a container 10a with a lid 11 according to another exemplary embodiment. Fig. 7 illustrates container 10a with lid 11 closed. Fig. 8 illustrates container 10a with lid 11 open and pouch 40 and batteries 20 stored within container 10a. Fig. 9 illustrates container 10a with lid 11 open and pouch 40 removed from container 10a. As an option, the stacks 20 can be arranged in a separate container 10b more tightly within the container 10a. In addition, spacer 13 can be included to provide a tighter fit within container 10a, thus keeping stacks 20 parallel, side by side and/or upright, as illustrated in Fig. 9.
    [0045] The containers 10 and 10a described above allow one or more batteries 20 to be transported and/or stored with less risk of damage to property and/or personal injury. If one of the piles 20 experiences thermal leakage, that pile, as well as the adjacent piles, is cooled in order to decrease the heat and minimize the damage caused by the contents expelled by the pile that suffered thermal leakage, decreasing the risk of creating a chair reaction on the other stacks etc.
    [0046] It will be evident to those skilled in the art that various modifications and variations can be made to the methods and systems described above. Other embodiments will appear to those skilled in the art when taking into account the Descriptive Report and the practice of the disclosed methods and systems. The Descriptive Report and the examples are intended to be considered merely by way of example, the true scope of the invention being indicated by the following Claims and their equivalents.
    权利要求:
    Claims (17)
    [0001]
    1. Apparatus For Storing At Least One Object With At Least One Top and At Least One Bottom, the apparatus comprising: a container configured to store at least one object; a pouch that contains a liquid and is configured to cover at least one end top of at least one object, when stored within the container, the pouch being configured to make contact with at least one top end of at least one object and to open when in contact with contents expelled from at least one object, due to the thermal leakage, allowing liquid to flow from the pouch towards at least an upper end of at least one object, characterized in that the pouch includes at least one air pouch located between and separating the liquid and at least one object.
    [0002]
    2. Apparatus for Storing At Least One Object with At Least One Top and At Least One Bottom, in accordance with Claim 1, characterized in that: at least one object is at least one stack; and the container includes at least one sidewall and a bottom surface, which define a space configured to store at least one stack, such that the bottom surface of the container is configured to make contact with at least a lower end of at least one. cell and at least one upper end of the at least one cell includes a positive terminal.
    [0003]
    An apparatus for storing at least one object with at least one upper and at least one lower end, according to Claim 2, characterized in that an inner surface of the side wall and the lower surface includes a waterproof layer.
    [0004]
    Apparatus for storing at least one object with at least one upper and at least one lower end, according to Claim 3, characterized in that the waterproof layer is formed by a plasticized coating on the lower surface of the container.
    [0005]
    Apparatus For Storing At Least One Object With At Least One Upper and At Least One Lower End, according to Claim 3, characterized in that the waterproof layer is formed by a tray located on the lower surface of the container.
    [0006]
    Apparatus for storing at least one object with at least one upper and at least one lower end, according to Claim 1, characterized in that the liquid includes water and gel.
    [0007]
    Apparatus for storing at least one object with at least one upper and at least one lower end, according to claim 6, characterized in that the gel is made of sodium polyacrylate.
    [0008]
    8. Apparatus for storing at least one object with at least one upper and at least one lower end, according to claim 1, characterized in that the liquid has a viscosity greater than water.
    [0009]
    9. Apparatus for storing at least one object with at least one upper and at least one lower end, according to Claim 1, characterized in that the pouch is made of plastic.
    [0010]
    Apparatus for Storing At Least One Object with At Least One Top and At Least One Bottom, according to Claim 1, characterized in that the pouch is made of a material having a melting point of 180 to 400 degrees Fahrenheit.
    [0011]
    Apparatus for storing at least one object with at least one upper and at least one lower end, according to Claim 1, characterized in that the pouch is made of a material with a melting point of less than 400 degrees Fahrenheit.
    [0012]
    Apparatus for storing at least one object with at least one upper end and at least one lower end, according to Claim 1, characterized in that the pouch includes a layer separating liquid from at least one upper end of at least one object and the layer has a thickness of 0.0005 inches to 0.005 inches.
    [0013]
    Apparatus for storing at least one object with at least one upper and at least one lower end, according to Claim 1, characterized in that the bag is made of sheet plastic material with at least one air bag.
    [0014]
    Apparatus for storing at least one object with at least one upper and at least one lower end, according to Claim 1, further comprising: a sensor configured to detect the amount of a substance; and a component configured to open the pouch when the sensor detects an amount of the substance above a predetermined amount.
    [0015]
    15. Apparatus for storing at least one object with at least one upper and at least one lower end, according to Claim 14, characterized in that the substance includes at least one of electrolyte, carbon dioxide, hydrogen gas, carbon monoxide , methane, ethane and ethylene.
    [0016]
    An apparatus for storing at least one object with at least one upper and at least one lower end, according to Claim 1, characterized in that it further comprises: a sensor configured to detect a force directed at the sensor; and a component configured to open the pouch when the sensor detects a force above a predetermined force.
    [0017]
    17. Apparatus for storing at least one object with at least one upper and at least one lower end, according to Claim 1, characterized in that the bag further contains a substance to increase at least one of the viscosity, the evaporation time , cooling, a fire extinguishing feature or a fire retardant feature of the liquid.
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    法律状态:
    2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-06-23| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-06-29| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-08-24| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 06/07/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    2021-08-24| B350| Update of information on the portal [chapter 15.35 patent gazette]|
    优先权:
    申请号 | 申请日 | 专利标题
    US201161505401P| true| 2011-07-07|2011-07-07|
    US61/505,401|2011-07-07|
    US13/542,527|US9406917B2|2011-07-07|2012-07-05|Battery cooling method and system|
    US13/542,527|2012-07-05|
    PCT/US2012/045768|WO2013006796A1|2011-07-07|2012-07-06|Battery cooling method and system|
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