WO2021012306A1 - Bloc-batterie à air - Google Patents

Bloc-batterie à air Download PDF

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Publication number
WO2021012306A1
WO2021012306A1 PCT/CN2019/099047 CN2019099047W WO2021012306A1 WO 2021012306 A1 WO2021012306 A1 WO 2021012306A1 CN 2019099047 W CN2019099047 W CN 2019099047W WO 2021012306 A1 WO2021012306 A1 WO 2021012306A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate portion
opening
battery pack
side plate
air battery
Prior art date
Application number
PCT/CN2019/099047
Other languages
English (en)
Chinese (zh)
Inventor
史鹏飞
阙奕鹏
齐敏杰
Original Assignee
超威电源有限公司
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 超威电源有限公司 filed Critical 超威电源有限公司
Publication of WO2021012306A1 publication Critical patent/WO2021012306A1/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
    • H01M12/00—Hybrid cells; Manufacture thereof
    • H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
    • H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
    • H01M12/065—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode with plate-like electrodes or stacks of plate-like electrodes

Definitions

  • the invention relates to the field of batteries, in particular to an air battery pack.
  • the air battery is a new type of battery composed of oxygen in the air as the cathode active material, metal plates as the anode active material, and inorganic electrolyte. Its theoretical specific energy is high, and it also has large capacity, long life, safe use and environment Friendly and other advantages.
  • the air battery needs to continuously mechanically replace the metal electrode as the negative electrode during use.
  • the current replacement process requires complete disassembly of the battery pack, which is relatively cumbersome, time-consuming, labor-intensive, and has a high risk factor.
  • the purpose of the present invention is to provide an air battery pack to solve the problem that the electrode plates in the battery cells are not easy to disassemble and replace.
  • one aspect of the present invention provides an air battery pack, wherein the air battery pack includes a plurality of battery cells arranged in a layered arrangement, and the battery cell includes a housing having a front side plate portion and a rear side plate portion The front side plate portion is provided with an opening and an opening plate portion closed at the opening and capable of pivoting open, and a detachable negative plate corresponding to the opening is provided in the housing.
  • the side of the opening plate portion away from the pivot axis of the opening plate portion is connected to the rear side plate portion of an adjacent battery unit, and a plurality of the battery units can be in a stacking direction Stretch and open each of the opening plates.
  • the opening plate part and the rear side plate part of the other battery unit are hingedly connected by a hinge shaft, and the hinge shaft is parallel to the pivot axis.
  • the outer surface of the opening plate portion is provided with supporting ribs, and the supporting ribs can be supported on the outer surface of the rear side plate portion to keep the opening plate portion and the rear side plate portion spaced apart ,
  • the supporting rib is hinged to the rear side plate part.
  • the air battery pack includes a fastener extending through the casing in the stacking direction, and at least one of the fastener passes through the opening plate portion.
  • a positioning post capable of passing through the negative plate is provided on the inner surface of the rear side plate portion and/or on the inner surface of the opening plate portion.
  • the inner surface of the rear side plate portion and the inner surface of the opening plate portion are respectively provided with occlusal teeth capable of meshing with each other, and the occlusal teeth can clamp the negative plate.
  • a first window is provided on the opening plate portion, a second window corresponding to the first window is provided on the rear side plate portion, and the housing is provided with a block for blocking the first window.
  • the first positive electrode plate of the window and the second positive electrode plate that closes the second window, the negative electrode plate is clamped between the first positive electrode plate and the second positive electrode plate in an insulating manner.
  • a liquid injection port is provided on the top plate of the housing, and an air filter valve is provided in the liquid injection port.
  • the battery unit includes a heat dissipation member disposed through the housing, the heat dissipation member includes a heat dissipation pipe located outside the housing, and the heat dissipation pipes of a plurality of the battery units are aligned along the stacking direction arrangement.
  • a gas-liquid separator is provided in the housing.
  • the battery unit can open the casing by opening the opening plate, which facilitates taking out the negative plate therein, simplifies the disassembly and assembly process of the negative plate, improves the replacement operation of the negative plate, and improves the efficiency.
  • FIG. 1 is a schematic structural diagram of an air battery pack according to an embodiment of the present invention, in which the casing is in a sealed state;
  • FIG. 2 is a schematic diagram of the structure of the air battery pack according to the embodiment of the present invention, in which the casing is in an open state;
  • Fig. 3 is a schematic structural diagram of a battery unit according to an embodiment of the present invention.
  • the present invention provides an air battery pack, wherein the air battery pack includes a plurality of battery cells 1 arranged in layers, and the battery cell 1 includes a housing 2 having a front side plate portion 3 and a rear side plate portion 4,
  • the front side plate portion 3 is provided with an opening and an opening plate portion 5 which is closed at the opening and can be pivotally opened, and a detachable negative plate corresponding to the opening is provided in the housing 2.
  • the air battery pack of the present invention is composed of a plurality of battery cells (air batteries) 1 arranged in an array.
  • the battery cells 1 may be roughly formed in a plate shape and stacked.
  • Each battery cell 1 includes a casing 1, and the casing 1 includes a front side plate portion. 3 and the rear side plate portion 4, wherein, as shown in FIG. 3, an opening is provided on the front side plate portion 3, and an openable opening plate portion 5 is provided at the opening.
  • the casing can be opened or sealed by pivoting the opening plate portion 5 Body 2, in particular, the negative plate in the case 2 is located at the opening. Therefore, by opening the opening plate portion 5, the case 2 can be opened, so that the negative plate can be installed or removed through the opening. It is aluminum plate, zinc plate, magnesium plate, etc. After installing or disassembling the negative electrode plate, the opening plate portion 5 can be closed to seal the casing 1, and the casing 1 can contain components such as electrolyte and electrodes.
  • the casing By arranging an openable opening plate portion on the casing of the battery unit, the casing can be opened more conveniently to take out the negative plate of the air battery, simplifying the replacement operation of the negative plate and improving the efficiency of replacing the negative plate.
  • the side of the opening plate portion 5 away from the pivot axis of the opening plate portion 5 is connected to the rear side plate portion 4 of an adjacent battery unit 1, and a plurality of the battery units 1
  • Each of the opening plate portions 5 can be stretched and opened in the stacking direction.
  • the opening plate portion 5 is pivotally opened with respect to the front side plate portion 3 about a pivot axis, the pivot axis may extend in a horizontal direction or a vertical direction, and the other side of the opening plate portion 5 away from the pivot axis and another battery
  • the rear side plate portion 4 of the unit 1 is connected. In this case, pull the two battery units 1 at both ends along the arrangement direction of the plurality of battery units 1, so that the opening plate portion 5 can be pivotally opened. Referring to FIG.
  • the opening plate 5 and the rear side plate 4 of the group can form a Z-shaped structure, or "folder type" structure, which can be stretched in the stacking direction to open the opening plate 5, and can be contracted in the stacking direction to close the opening plate 5 .
  • the opening plate portion 5 is hingedly connected to the rear side plate portion 4 of the other battery unit 1 by a hinge shaft, and the hinge shaft is parallel to the pivot axis.
  • Figures 1 and 2 do not specifically show the structure of the hinge shaft.
  • the hinge shaft structure can be a hinge.
  • the hinge can hinge the opening plate 5 and the rear side plate 4 together, allowing the opening of the plate 5 It pivots relatively to the rear side plate portion 4, and the hinge axis is parallel to the pivot axis.
  • the outer surface of the opening plate portion 5 is provided with supporting ribs 6, and the supporting ribs 6 can be supported on the outer surface of the rear side plate portion 4 so that the opening plate portion 5 and the rear side plate
  • the part 4 is kept spaced apart, and the supporting rib 6 is hinged to the rear side plate part 4.
  • the battery unit 1 is an air battery and needs to be in full contact with the air. Therefore, the adjacent battery units 1 are kept apart, that is, supporting ribs 6 are provided on the outer surface of the opening plate 5 so that the opening plate 5 and the rear side plate 4 The interval allows air to reach between the opening plate portion 5 and the rear side plate portion 4 more easily.
  • a plurality of supporting ribs 6 may be provided on the opening plate portion 5, wherein the supporting ribs 6 located at the edge of the opening plate portion 5 far away from the pivot axis and the rear side plate portion 4 of the other battery unit 1 pass through a hinge shaft Articulated.
  • the air battery pack includes a fastener 7 extending through the casing 2 in the stacking direction, and at least one of the fastener 7 passes through the opening plate portion 5.
  • the fastener 7 can connect a plurality of battery cells 1, and the fastener 7 can be provided with threads to realize the screw connection with each battery cell 1, wherein at least one fastener 7 passes through the opening plate part 5.
  • the fastener 7 must pass through the rear side plate portion 4, so the opening plate portion 5 can be firmly fixed to prevent the opening plate portion 5 from being separated from the front side plate portion 3 and opened.
  • the inner surface of the rear side plate portion 4 and/or the inner surface of the opening plate portion 5 are provided with positioning posts 8 that can pass through the negative electrode plate.
  • the positioning column 8 can position the negative electrode plate, and the negative plate can be provided with a through hole to facilitate hanging the negative plate on the positioning column 8.
  • the positioning post 8 may be provided on the opening plate part 5 and the rear side plate part 4. According to an embodiment of the present invention, referring to FIG. 3, the positioning post 8 is provided on the inner surface of the rear side plate part 4.
  • the inner surface of the rear side plate portion 4 and the inner surface of the opening plate portion 5 are respectively provided with engaging teeth 9 capable of engaging with each other, and the engaging teeth 9 can clamp the negative electrode plate.
  • the biting teeth 9 can be engaged with each other to bite the negative plate so that the negative plate is stably fixed in the housing 2.
  • the bite teeth 9 may be made of conductive material to facilitate the electrical connection of the negative plate to the corresponding component.
  • a first window 10 is provided on the opening plate portion 5, a second window 11 corresponding to the first window 10 is provided on the rear side plate portion 4, and the housing 2 is provided with The first positive plate blocking the first window 10 and the second positive plate blocking the second window 11 are clamped between the first positive plate and the second positive plate in an insulating manner.
  • a first positive plate is provided at the first window 10 of the opening plate part 5, and a second positive plate is provided at the second window 11 of the rear plate part 4, so that the first positive plate and the second positive plate are in contact with air to generate electricity. chemical reaction.
  • the first positive plate and the second positive plate are connected in parallel with each other while maintaining insulation from the negative plate to avoid short circuit.
  • the negative plate is located between the first positive plate and the second positive plate.
  • Figures 1 to 3 do not show the positive plate and the negative plate, but those skilled in the art can clearly think of how to set the positive plate and the negative plate according to the description of the solution and the drawings.
  • a liquid injection port is provided on the top plate of the housing 2, and an air filter valve 12 is provided in the liquid injection port.
  • the electrolyte can be injected into the housing 2 through the liquid injection port, and then an air filter valve 12 can be provided at the liquid injection port.
  • the air filter valve 12 can prevent the electrolyte from flowing out while allowing the gas generated by electrolysis to be discharged.
  • the battery unit 1 includes a heat sink 13 provided through the housing 2, and the heat sink 13 includes a heat pipe located outside the housing 2. Align them along the stacking direction.
  • the heat sink 13 is partly located in the housing 2 and partly outside the housing 2, that is, the radiating pipe, which conducts the heat inside the housing 2 to the outside through a thermally conductive material, and the radiating pipe is cooled by air or water. By cooling, the temperature inside the housing 2 can be reduced.
  • a gas-liquid separator 14 is provided in the housing 2.
  • the gas-liquid separator 14 may be located in the upper part of the housing 2 to allow the electrolyte to flow downwards, but not to allow the electrolyte to flow upwards, and only allow gas to pass through. Therefore, it can be ensured that the electrolyte is kept in the lower part of the housing 2.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hybrid Cells (AREA)

Abstract

La présente invention concerne le domaine des batteries et porte sur un bloc-batterie à air. Le bloc-batterie à air comprend une pluralité d'unités de batterie (1) qui sont empilées, les unités de batterie (1) comprennent des logements (2) qui sont pourvus de parties de plaque côté avant (3) et des parties de plaque côté arrière (4), les parties de plaque côté avant (3) sont pourvues d'ouvertures et de parties d'ouverture de plaque (5) qui ferment les ouvertures et peuvent pivoter pour s'ouvrir, et les logements (2) sont pourvus intérieurement de plaques d'électrode négative qui correspondent aux ouvertures et sont amovibles. Au moyen de la solution technique décrite, les unités de batterie peuvent ouvrir les parties d'ouverture de plaque pour ouvrir ensuite les boîtiers, qui facilite l'extraction des plaques d'électrode négative à l'intérieur de celles-ci, simplifie les processus de retrait et d'assemblage des plaques d'électrode négative, améliore l'opération de remplacement des plaques d'électrode négative et augmente l'efficacité.
PCT/CN2019/099047 2019-07-24 2019-08-02 Bloc-batterie à air WO2021012306A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910671620.0 2019-07-24
CN201910671620.0A CN110444837B (zh) 2019-07-24 2019-07-24 空气电池组

Publications (1)

Publication Number Publication Date
WO2021012306A1 true WO2021012306A1 (fr) 2021-01-28

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ID=68431399

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/099047 WO2021012306A1 (fr) 2019-07-24 2019-08-02 Bloc-batterie à air

Country Status (2)

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CN (1) CN110444837B (fr)
WO (1) WO2021012306A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1233861A (zh) * 1998-04-24 1999-11-03 电子燃料有限公司 用于金属－空气电池组的电池
CN107146926A (zh) * 2017-05-22 2017-09-08 深圳市航盛新材料技术有限公司 空气电池快速更换的负极端及空气电池

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103165962B (zh) * 2012-12-21 2015-06-17 中国科学院大连化学物理研究所 一种金属空气电池及电堆
CN204577542U (zh) * 2015-05-14 2015-08-19 中国科学院宁波材料技术与工程研究所 金属空气电池堆及其电池单体
CN205543015U (zh) * 2016-01-29 2016-08-31 刘珂 方形锂电池的电极组合夹具以及方形锂电池组

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1233861A (zh) * 1998-04-24 1999-11-03 电子燃料有限公司 用于金属－空气电池组的电池
CN107146926A (zh) * 2017-05-22 2017-09-08 深圳市航盛新材料技术有限公司 空气电池快速更换的负极端及空气电池

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CN110444837A (zh) 2019-11-12
CN110444837B (zh) 2021-01-15

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