Battery device and combustion suppression method thereof

Abstract

To provide a battery device and a method for suppressing combustion thereof which can effectively reduce the possibility that apparatuses or persons in outside spaces are damaged after combustion.SOLUTION: A battery device 100 includes a housing 110, a cell module 120, a catalytic converter 130. The housing 110 has an inner space 111. The cell module 120 is arranged in the inner space 111. The catalytic converter 130 is arranged in the inner space 111 and divides the cell module 120 from an outside space 10 from the inner space 111. There is also provided a method for suppressing combustion of the battery device 100.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a battery device and a combustion suppression method thereof. [Background technology]

[0002] Generally, when a battery fails, it may catch fire, generating flames and high concentrations of flammable gases (carbon monoxide (CO), hydrocarbons (HC), etc.). If the battery cannot be effectively controlled, it is likely to have a negative impact on the equipment around the battery and may also raise safety concerns for people around the battery. Summary of the Invention [Problem to be solved by the invention]

[0003] The present invention provides a battery device and a combustion suppression method thereof that can effectively reduce the possibility of damage to equipment and personnel in the external space after combustion. [Means for solving the problem]

[0004] The battery device of the present invention includes a housing, a cell module, and a catalytic converter. The housing has an interior space. The cell module is disposed in the interior space. The catalytic converter is disposed in the interior space and separates the cell module from an exterior space relative to the interior space.

[0005] In one embodiment of the present invention, the catalytic converter comprises a cubic pore structure or a honeycomb pore structure.

[0006] In one embodiment of the present invention, the catalytic converter includes a two-way catalyst or a three-way catalyst.

[0007] In one embodiment of the present invention, the catalytic converter material comprises a ceramic coated with a precious metal.

[0008] In one embodiment of the present invention, the cell module includes a lithium ternary cell module or a lithium iron phosphate cell module.

[0009] In one embodiment of the present invention, the housing has an inlet end and an outlet end, and the catalytic converter includes a first catalytic converter and a second catalytic converter, the first catalytic converter being disposed between the cell module and the inlet end, and the second catalytic converter being disposed between the cell module and the outlet end.

[0010] In one embodiment of the present invention, the first catalytic converter is in direct contact with the housings on both sides thereof, and the second catalytic converter is in direct contact with the housings on both sides thereof, forming an enclosed space surrounding the cell module.

[0011] In one embodiment of the present invention, the housing has no opening. The catalytic converter has a closed ring structure and forms a sealed space surrounding the cell module.

[0012] In one embodiment of the present invention, the catalytic converter does not contact the housing.

[0013] The method for suppressing combustion in a battery device of the present invention includes at least the following steps: a flame and flammable gas are generated by operation of the battery device, the battery device comprising a housing, a cell module, and a catalytic converter; the housing having an interior space; the cell module being disposed in the interior space; the catalytic converter being disposed in the interior space and separating the cell module from an exterior space relative to the interior space; and the flame and flammable gas passing through the catalytic converter. [Effects of the Invention]

[0014] Based on the above, the catalytic converter in the battery device of the present invention can simultaneously function as a flame blocking element and a gas conversion element, thereby effectively controlling and suppressing the flame and flammable gas generated by the combustion of the cell module, thereby effectively reducing the possibility of damage to equipment and personnel in the external space after combustion. [Brief explanation of the drawings]

[0015] [Figure 1] 1 is a schematic configuration diagram of a battery device according to an embodiment of the present invention; [Figure 2] FIG. 2 is an enlarged schematic view of the catalytic converter of FIG. 1. [Figure 3] FIG. 10 is a schematic configuration diagram of a battery device according to another embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0016] In the following detailed description, for purposes of explanation and not limitation, exemplary embodiments disclosing specific details are set forth in order to provide a thorough understanding of various principles of the present invention. However, it will be apparent to one skilled in the art having the benefit of this disclosure that the present invention may be practiced in other embodiments that depart from the specific details disclosed herein. Moreover, descriptions of well-known devices, methods, and materials may be omitted so as not to obscure various principles of the present invention.

[0017]

[0023] Exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and should not be construed as being limited to the embodiments described herein. The thickness, size, or dimensions of layers or regions in the drawings may be exaggerated for clarity. The same or similar reference numerals denote the same or similar components and will not be repeated one by one in the following paragraphs.

[0018] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0019] FIG. 1 is a schematic diagram of a battery device according to one embodiment of the present invention. FIG. 2 is an enlarged schematic diagram of the catalytic converter of FIG. 1. Referring to FIGS. 1 and 2, the battery device 100 of this embodiment includes a housing 110, a cell module 12, and a catalytic converter 130. Here, the housing 110 has an internal space 111, and the cell module 120 is disposed in the internal space 111. Furthermore, the catalytic converter 130 is disposed in the internal space 111 and separates the cell module 120 from the external space 10 relative to the internal space 111. Therefore, the catalytic converter 130 in the battery device 100 of this embodiment can simultaneously function as a flame blocking element and a gas conversion element. In this way, the flame and flammable gas 120 (as indicated by the arrows in FIG. 1) generated by the combustion of the cell module can be effectively controlled to achieve a suppression effect, effectively reducing the risk of damage to equipment and personnel (not shown) in the external space 10 after combustion. Here, the internal space 111 and the external space 10 are physically separated from the housing 110.

[0020] For example, as shown in FIG. 2, the catalytic converter 130 may have a porous structure with multiple pores 132 formed on a substrate 131, and the surfaces of the pores 132 are coated with a catalytic metal. In this way, when a flame passes through the catalytic converter 130, the flame structure is destroyed, causing discontinuity in the airflow, thereby weakening the flame or extinguishing it. Therefore, it can be used as a flame-blocking element. Meanwhile, when combustible gas passes through the catalytic converter 130, the combustible gas produced by the internal chemical reaction can be converted using a catalytic mechanism. For example, hydrocarbons (HC) and carbon monoxide (CO) are converted into carbon dioxide (CO2) and water (H2O), reducing the concentration of combustible gases and preventing the spread of fire. Therefore, it can be used as a gas conversion element. In this way, the catalytic converter 130 can suppress combustion in many ways (such as by creating a physical barrier or chemical catalysis), and the water produced in the process can also achieve a cooling effect on the internal space 111.

[0021] In some embodiments, the catalytic converter 130 has a cubic pore structure, as shown in Figure 2, although the invention is not limited thereto. The catalytic converter 130 may also have a honeycomb pore structure or a porous structure formed in any other suitable shape.

[0022] In some embodiments, the catalytic converter 130 is a two-way catalyst (oxidation catalyst) or a three-way catalyst. These materials can be obtained by recycling discarded catalytic converters installed in the exhaust systems of automobiles and motorcycles and through any refining process known to those skilled in the art. Therefore, the catalytic converter 130 can be considered a regenerated catalyst. In this way, the battery device 100 using recycled catalysts can further protect the environment. However, the present invention does not limit the specific material composition and structure of the catalytic converter 130. That is, they can be determined based on actual discarded catalytic converters collected from the exhaust systems of automobiles and motorcycles or actual design applications. As long as the functions of flame protection and gas conversion can be achieved by separating the cell module 120 from the external space 10, it is within the scope of protection of the present invention.

[0023] For example, the catalytic converter 130 may be made of a ceramic coated with a precious metal, where the ceramic may be silicon oxide, aluminum oxide, cerium oxide, or a combination thereof, and the precious metal may be palladium (Pd), platinum (Pt), rhodium (Rh), or a combination thereof. The ceramic may be used as a support, and the precious metal may be used as an active catalyst. For example, platinum and palladium are oxidation catalysts, and rhodium is a reduction catalyst that effectively converts combustible gases, but the present invention is not limited thereto. Other suitable materials that are porous and capable of converting combustible gases may also be used for the catalytic converter 130.

[0024] In some embodiments, cell module 120 is a module composed of multiple cells connected in series. Cell module 120 may be of a type prone to internal combustion. For example, cell module 120 may include a lithium ternary cell module or a lithium iron phosphate cell module, but the present invention is not limited thereto. Cell module 120 may also be other batteries or electrical energy storage devices that pose a risk of combustion (potential for thermal runaway). Furthermore, enclosure 110 may be selected according to the needs of the actual application. Note that the present invention does not limit the number of series-connected cells in a cell module. For example, FIG. 1 schematically illustrates cell module 120 including eight cells, and FIG. 3 schematically illustrates cell module 220 including six cells.

[0025] For example, a lithium ternary cell is a ternary polymer whose cathode material includes lithium nickel cobalt manganate, lithium nickel cobalt aluminate, etc., where "ternary" refers to a polymer containing any three metallic elements including nickel, cobalt, manganese, and aluminum. Also, a lithium iron phosphate cell uses lithium iron phosphate (LiFePO4) as the cathode material, but the invention is not limited thereto.

[0026] 1, the housing 110 has an inlet end 112 and an outlet end 113, and the catalytic converter 130 includes a first catalytic converter 131 and a second catalytic converter 132. Here, the first catalytic converter 131 is disposed between the cell module 120 and the inlet end 112, and the second catalytic converter 132 is disposed between the cell module 120 and the outlet end 113. Because the airflow flows in the direction of low pressure, the generated flame and combustible gases are naturally driven to pass through the first catalytic converter 131 and the second catalytic converter 132 at the inlet end 112 and the outlet end 113, thereby achieving the effects of flame blocking and gas conversion.

[0027] In some embodiments, in order to effectively prevent flames from leaking through gaps in the housing 110 connected to the outside world, the first catalytic converter 131 is in direct contact with both sides of the housing 110, and the second catalytic converter 132 is in direct contact with both sides of the housing 110, forming an enclosed space 20 surrounding the cell module 120. Here, the volume of the enclosed space 20 is smaller than the volume of the internal space 111, that is, the enclosed space 20 is included in the internal space 111, but the present invention is not limited thereto.

[0028] In the following embodiments, the numbers of the components and some of the contents of the embodiments are followed, the same or similar elements are denoted by the same or similar reference numerals, and the same technical contents are omitted. For the omitted parts, the previous embodiments can be referred to, and the following embodiments will not be repeated.

[0029] 3, compared with the battery device 100 of FIG. 1, the housing 210 of the battery device 200 of this embodiment does not have an opening (like the external structure of a suitable mobile power source), and the catalytic converter 230 has a closed-ring structure, forming an enclosed space 20 surrounding the cell module 220. Therefore, the catalytic converter 230 of the battery device 200 of this embodiment can function as a flame blocking element and a gas conversion element at the same time. In this way, the flame and flammable gas (indicated by the arrows in FIG. 2) generated by the combustion of the cell module 220 can be effectively controlled to achieve a suppression effect, and the risk of damage to equipment and personnel (not shown) in the external space 10 after combustion can be effectively reduced.

[0030] In this embodiment, the catalytic converter 130 does not contact the housing 110. In other words, the catalytic converter 130 is housed within the housing 110, but the present invention is not limited to this.

[0031] In summary, the catalytic converter in the battery device of the present invention can simultaneously function as a flame-blocking element and a gas-conversion element. This effectively controls and suppresses the flame and flammable gases generated by the combustion of the cell modules, thereby effectively reducing the risk of damage to equipment and personnel in the exterior space after combustion.

[0032] Although the present invention has been disclosed with reference to the above embodiments, the present invention is not limited thereto. Those skilled in the art may make some modifications and improvements within the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims. [Industrial Applicability]

[0033] The battery device using the catalytic converter and the combustion suppression method of the present invention can be used to reduce the possibility of damage to equipment and personnel in the exterior space after a combustion. [Explanation of symbols]

[0034] 10: Exterior Space 20: Closed space 100: Battery device 110: Housing 111: Interior Space 112: Entrance end 113: Outlet end 120: Cell module 130: Catalytic converter 131: First catalytic converter 132: Second catalytic converter 200: Battery device 210: Housing 220: Cell module 230: Catalytic converter

Claims

1. a housing having an internal space; a cell module disposed in the internal space; a catalytic converter disposed in the interior space and separating the cell module from an exterior space relative to the interior space; Including, the housing has an inlet end and an outlet end, the catalytic converter includes a first catalytic converter and a second catalytic converter, the first catalytic converter is disposed between the cell module and the inlet end, and the second catalytic converter is disposed between the cell module and the outlet end; or or The battery device, wherein the housing has no opening and the catalytic converter has a closed ring structure, thereby forming an enclosed space surrounding the cell module.

2. The catalytic converter comprises a cubic pore structure or a honeycomb pore structure. The battery device according to claim 1 .

3. The catalytic converter includes a two-way catalyst or a three-way catalyst. The battery device according to claim 1 .

4. The catalytic converter material includes a ceramic coated with a precious metal. The battery device according to claim 1 .

5. The cell module includes a lithium ternary cell module or a lithium iron phosphate cell module. The battery device according to claim 1 .

6. When the housing has an inlet end and an outlet end, the first catalytic converter is in direct contact with the housing on both sides thereof, and the second catalytic converter is in direct contact with the housing on both sides thereof, forming a sealed space surrounding the cell module; The battery device according to claim 1 .

7. If the housing does not have an opening, The catalytic converter does not contact the housing. The battery device according to claim 1 .

8. 1. A method for suppressing combustion in a battery device, the method comprising: generating a flame and a flammable gas by operation of the battery device; The battery device is a housing having an internal space; a cell module disposed in the internal space; a catalytic converter disposed in the interior space and separating the cell module from an exterior space relative to the interior space; Including, the flame and the combustible gases pass through the catalytic converter; the housing has an inlet end and an outlet end, the catalytic converter includes a first catalytic converter and a second catalytic converter, the first catalytic converter is disposed between the cell module and the inlet end, and the second catalytic converter is disposed between the cell module and the outlet end; or or The housing has no opening, and the catalytic converter has a closed ring structure, thereby forming an enclosed space surrounding the cell module. A method for suppressing combustion in a battery device.

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