CN114628716B - Zinc-air battery - Google Patents

Zinc-air battery Download PDF

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Publication number
CN114628716B
CN114628716B CN202011461259.8A CN202011461259A CN114628716B CN 114628716 B CN114628716 B CN 114628716B CN 202011461259 A CN202011461259 A CN 202011461259A CN 114628716 B CN114628716 B CN 114628716B
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barrier film
zinc
air
battery
current collector
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CN114628716A (en
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王二东
燕召
孙公权
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Dalian Institute of Chemical Physics of CAS
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Dalian Institute of Chemical Physics of CAS
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0204—Non-porous and characterised by the material
    • H01M8/0221—Organic resins; Organic polymers
    • 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

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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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Hybrid Cells (AREA)

Abstract

The invention belongs to the technical field of zinc-air batteries, and discloses a zinc-air battery which comprises a shell and a current collector arranged vertically to the shell, wherein zinc paste, a battery diaphragm and an air electrode are symmetrically arranged in the shell from inside to outside at two sides of the current collector; in addition, the device also comprises a detachable barrier film; the barrier film is arranged between the battery diaphragm and the air electrode; or between the zinc paste and a battery separator; or the barrier film wraps the zinc paste on two sides of the current collector respectively; or the barrier film wraps the zinc paste and the current collector in a combined way; or the barrier film wraps the zinc paste, the current collector and the battery diaphragm in a combined way; in conclusion, when the zinc-air battery is stored, the air electrode is effectively prevented from being contacted with zinc paste based on the barrier film, so that the problems of electrode hydrophobicity reduction, electrolyte leakage, carbonation and the like are avoided, and the storage time and the service life of the zinc-air battery are prolonged.

Description

Zinc-air battery
Technical Field
The invention belongs to the technical field of zinc-air batteries, and particularly relates to a zinc-air battery.
Background
Because of abundant metal zinc resources and low price, many battery systems use zinc as an electrode, such as a zinc air battery, a zinc-nickel battery, a zinc-silver battery and the like. Among them, zinc-air batteries have been widely studied and paid attention to because of their high specific energy, low price, safety, and the like. For convenience of use, zinc active material, electrolyte, gel, additive, etc. may be mixed into paste, and pre-filled into anode cavity of zinc-air cell for wet storage, and the cell may be discharged directly for use or the paste may be replaced after use.
Wet storage is one of the key problems faced by zinc air batteries. When the cathode is stored in a wet state, the air cathode catalytic layer side is always in contact with electrolyte, and the electrolyte migrates in the air cathode along with the increase of time, so that the hydrophobicity of the cathode is reduced, the problems of electrolyte leakage, carbonation and the like occur gradually, and the cathode structure is destroyed. In addition, soaking in the electrolyte may reduce the electrocatalyst activity. Eventually, the performance of the air cathode is reduced, and the zinc-air battery is disabled.
Disclosure of Invention
In view of the above, it is an object of the present invention to provide a zinc-air battery suitable for long-term wet storage and a method of operating the same.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a zinc-air battery comprises a shell and a current collector which is arranged vertically to the shell, wherein zinc paste, a battery diaphragm and an air electrode are symmetrically arranged in the shell from inside to outside at two sides of the current collector; in addition, the device also comprises a detachable barrier film;
the barrier film is arranged between the battery diaphragm and the air electrode;
or between the zinc paste and a battery separator;
or the barrier film wraps the zinc paste on two sides of the current collector respectively;
or the barrier film wraps the zinc paste and the current collector in a combined way;
or the barrier film wraps the zinc paste, the current collector and the battery separator in a combined way.
Optionally, the barrier film is arranged between the battery diaphragm and the air electrode, or between the zinc paste and the battery diaphragm, a pull rope is embedded in the barrier film, and one end of the pull rope extends out of the bottom of the barrier film and extends to the outer side of the shell.
Further, the zinc-air battery further comprises a rotatable scroll arranged at the top of one side of the shell, one end of the pull rope extending out of the bottom of the barrier film is wound and fixed on the scroll, and at least one end of the scroll is positioned outside the shell.
Optionally, at least one disassembly small hole is formed in the shell, and the barrier film wrapped and arranged can be disassembled and pulled out through the disassembly small hole.
Optionally, the barrier film is a thermal degradation barrier film or a hot melt barrier film.
The thermal degradation temperature of the thermal degradation type barrier film is 40-100 ℃, and the thermal degradation temperature range is 40-60 ℃ preferably; the thermal degradation temperature of the hot-melt type barrier film is 40-80 ℃, and the preferable thermal melting temperature range is 40-60 ℃.
Preferably, the thermal degradation type barrier film comprises one or more of polyethylene, polyethylene wax, polypropylene, ABS, polylactic acid, polyacrylic acid, polycarbonate, polyvinyl chloride and polyurethane.
Preferably, the thermally degradable barrier film may comprise a thermal oxidizer and/or a catalyst as additives.
Preferably, the hot-melt type barrier film comprises one or more of paraffin wax, polyethylene wax, agar, polycaprolactone and fatty acid.
In summary, the invention has the following beneficial effects
Compared with the existing zinc-air battery, the zinc-air battery structure has the advantages that the zinc-air battery structure with the barrier film capable of separating the air electrode and the zinc paste is provided, and the barrier film has the characteristic of being capable of being removed quickly; thus:
when the zinc-air battery is stored, the air electrode is effectively prevented from being contacted with zinc paste based on isolation of the barrier film, so that the problems of electrode hydrophobicity reduction, electrolyte leakage, carbonation and the like are effectively avoided, and the storage time and the service life of the zinc-air battery are further prolonged;
when the zinc-air battery is used, the quick removal of the barrier film is realized based on a plurality of thermal degradation materials, hot melting materials and a plurality of disassembly structures with different structural forms, so that the zinc-air battery can be normally used, and the disassembly structure and the disassembly mode are relatively simple.
Drawings
Fig. 1 is a schematic structural diagram of a zinc-air cell according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a zinc-air cell according to a second embodiment of the present invention;
FIG. 3 is a schematic view showing a first disassembled structure of a barrier film according to the first or second embodiments;
FIG. 4 is a schematic view showing a second disassembled structure of a barrier film according to the first or second embodiment;
fig. 5 is a schematic structural diagram of a zinc-air cell according to a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of a zinc-air cell according to a fourth embodiment of the present invention;
fig. 7 is a schematic structural diagram of a zinc-air cell according to a fifth embodiment of the present invention;
fig. 8 is a schematic structural diagram of a zinc-air cell according to a sixth embodiment of the present invention;
fig. 9 is a schematic view showing a disassembled structure of a barrier film according to any one of the third to sixth embodiments;
FIG. 10 is a graph showing the comparison of discharge performance of zinc-air cells provided by the present invention after 120 days of storage;
FIG. 11 is a graph comparing discharge performance of a prior zinc-air cell before and after storage;
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to make zinc-air batteries suitable for long-term wet storage, the present zinc-air batteries are improved in the present invention;
the structure of the existing zinc-air battery comprises a shell and a current collector arranged in the middle of the shell, wherein zinc paste, a battery diaphragm and an air electrode are symmetrically arranged in the shell from inside to outside at two sides of the current collector;
aiming at the prior zinc-air battery, the improvement proposed in the invention is as follows:
a detachable barrier film is arranged between the battery diaphragm and the air electrode or between the zinc paste and the battery diaphragm,
or the zinc paste at two sides of the current collector is respectively wrapped by a barrier film;
or the barrier film wraps the zinc paste and the current collector in a combined way;
or the zinc paste, the current collector and the battery diaphragm are combined and wrapped by the barrier film.
Wherein, the barrier film sets up between battery diaphragm and air electrode, perhaps when setting up between zinc paste and battery diaphragm, the inside embedding of above-mentioned barrier film sets up the stay cord, just one end of stay cord stretches out from the barrier film bottom, and extends to the outside of casing.
Furthermore, the zinc-air battery provided by the embodiment of the invention further comprises a rotatable scroll arranged at the top of one side of the shell, one end of the pull rope extending out of the bottom of the barrier film is wound and fixed on the scroll, and at least one end of the scroll is positioned outside the shell.
Wherein, offer at least one and dismantle the aperture on above-mentioned casing, the parcel sets up the barrier film accessible dismantle the aperture and dismantle the pull-out.
In the embodiment of the invention, the barrier film is a thermal degradation type barrier film or a hot melt type barrier film.
Specifically, the thermal degradation temperature of the thermal degradation type barrier film is 40-100 ℃, and the thermal degradation temperature range is 40-60 ℃ preferably; the thermal degradation temperature of the hot-melt type barrier film is 40-80 ℃, and the preferable thermal melting temperature range is 40-60 ℃.
In the embodiment of the invention, the thermal degradation type barrier film comprises one or more of polyethylene, polyethylene wax, polypropylene, ABS, polylactic acid, polyacrylic acid, polycarbonate, polyvinyl chloride and polyurethane.
Alternatively, the thermally degradable barrier film may also contain a thermal oxidizer and/or a catalyst as additives.
Or the hot melt type barrier film comprises one or more than two of paraffin wax, polyethylene wax, agar, polycaprolactone and fatty acid.
In particular, the following detailed explanation of specific examples is provided for a removable barrier film.
Example 1
In the embodiment, a zinc-air battery is provided, which comprises a shell 11 and a current collector 12 arranged in the middle of the shell, wherein zinc paste 13, a battery diaphragm 14, a barrier film 15 and an air electrode 16 are symmetrically arranged in the shell 11 from inside to outside at two sides of the current collector 12; as can be seen in particular in fig. 1, a barrier film 15 is provided between the battery separator 14 and the air electrode 16.
Example two
In this embodiment, a zinc-air battery is provided, which includes a housing 21 and a current collector 22 disposed in the middle of the housing, wherein zinc paste 23, a barrier film 24, a battery separator 25, and an air electrode 26 are symmetrically disposed in the housing 21 from inside to outside on both sides of the current collector 22; as can be seen in particular with reference to fig. 2, a barrier film 24 is provided between the zinc paste 23 and the battery separator 25.
For the first or second embodiment
Correspondingly adopts the following two practical disassembly structures
Practical disassembling structure I
Specifically referring to fig. 3, a pull rope a is fixedly embedded in the barrier film 15/24, and one end of the pull rope a extends out from the bottom of the barrier film 15/24 and extends to the outer side of the housing 11/21; the shell 11/21 is movably matched with the stay cord A, so that the stay cord A can be pulled in the shell 11/21.
(A) With reference to fig. 3, in the first detachable structure, the present invention further provides a method for operating a zinc-air battery; specifically, the method comprises the following steps:
a pull rope A is arranged in the barrier film 15/24, and extends out of the bottom of the barrier film 15/24;
assembling a zinc-air battery matrix according to a structure that a current collector 12/22, zinc paste 13/23, a battery diaphragm 14/25, an air electrode 16/26 and a shell 11/21 are sequentially arranged from inside to outside, arranging a barrier film 15 with a pull rope A between the battery diaphragm 14 and the air electrode 16, arranging a barrier film 24 with the pull rope A between the zinc paste 23 and the battery diaphragm 25, and ensuring that the movable end of the pull rope A penetrates out of the shell 11/21 to complete the zinc-air battery assembly;
preserving the assembled zinc-air battery with the barrier film 15/24 and the stay cord A by using a vacuum bag; (the storage time was set to 120 days)
When the zinc-air battery is used, one end of the stay cord A positioned outside the shell 11/21 is pulled to pull up the bottom of the barrier film 15/24; thereby realizing the winding of the barrier film 15/24 from bottom to top, ensuring that the contact between the zinc paste 13/23 and the air electrode 16/26 can be formed, and further ensuring that the whole zinc-air battery is in a usable state.
Practical dismounting structure II
With specific reference to FIG. 4, a pull rope A is embedded and fixed in the barrier film 15/24, and one end of the pull rope A extends out from the bottom of the barrier film 15/24; a rotatable reel B is provided near the top of the housing 11/21, one end of the pull cord A extending from the bottom of the barrier film 15/24 is wound around and fixed to the reel B, and at least one end of the reel B is located outside the housing 11/21, thereby facilitating rotation of the reel B.
(B) With reference to fig. 4, in the present invention, a method for operating a zinc-air battery is further provided for the detachable second structure; specifically, the method comprises the following steps:
a pull rope A is arranged in the barrier film 15/24, and extends out of the bottom of the barrier film 15/24;
a zinc-air battery matrix is assembled according to a structure that a current collector 12/22, a zinc paste 13/23, a battery diaphragm 14/25, an air electrode 16/26 and a shell 11/21 are sequentially arranged from inside to outside, a barrier film 15 with a pull rope A is arranged between the battery diaphragm 14 and the air electrode 16, and a barrier film 24 with the pull rope A is arranged between the zinc paste 23 and the battery diaphragm 25;
a rotatable scroll B is arranged at a position close to the top of the shell 11/21, the movable end of the pull rope A is wound and fixed on the scroll B, at least one end of the scroll B is positioned outside the shell 11/21, and the zinc-air battery is assembled;
preserving the assembled zinc-air battery with the barrier film 15/24, the stay cord A and the scroll B by using a vacuum bag; (the storage time was set to 120 days)
When the zinc-air battery is used, the reel B is rotated, so that the stay cord A and the barrier film 15/24 are wound on the reel B; thereby realizing the winding of the barrier film 15/24 from bottom to top, ensuring that the contact between the zinc paste 13/23 and the air electrode 16/26 can be formed, and further ensuring that the whole zinc-air battery is in a usable state.
Example III
In this embodiment, a zinc-air battery is provided, which includes a housing 31 and a current collector 32 disposed in the middle of the housing, wherein zinc paste 33, a battery separator 34 and an air electrode 35 are symmetrically disposed in the housing 31 from inside to outside on both sides of the current collector 32; in particular, as shown in fig. 5, two symmetrical barrier films 36 are provided in this embodiment, the barrier films 36 are in the form of bags, and the zinc paste 33 on both sides of the current collector 32 is wrapped in the two bag-shaped barrier films 36, respectively.
In the structure of the present embodiment, two bag edges of the bag-shaped barrier film 36 are located between the current collector 32 and the zinc paste 33, and between the zinc paste 33 and the battery separator 34, respectively.
Example IV
In this embodiment, a zinc-air battery is provided, which includes a housing 41 and a current collector 42 disposed in the middle of the housing, wherein zinc paste 43, a battery diaphragm 44 and an air electrode 45 are symmetrically disposed in the housing 41 from inside to outside on both sides of the current collector 42; with specific reference to fig. 6, two barrier films 46 of a symmetrical U-shaped structure are provided in this embodiment, and the zinc paste 43 and the battery separator 44 on both sides of the current collector 42 are respectively wrapped in the two U-shaped barrier films 46.
In the structure of the present embodiment, two bag edges of the bag-shaped barrier film 36 are located between the current collector 32 and the zinc paste 33, and between the battery separator 44 and the air electrode 45, respectively.
Example five
In this embodiment, a zinc-air battery is provided, which includes a housing 51, and a current collector 52 disposed in the middle of the housing, wherein zinc paste 53, a battery separator 54 and an air electrode 55 are symmetrically disposed in the housing 51 from inside to outside on both sides of the current collector 52; referring specifically to fig. 7, in this embodiment, a U-shaped barrier film 56 is provided, and the current collector 52, the zinc paste 53, and the battery separator 54 are all enclosed in the U-shaped barrier film 56.
In the structure of the present embodiment, the two bag sides of the barrier film 36 in the shape of a bag are symmetrically located between the battery separator 44 and the air electrode 45 on both sides of the current collector 52.
Example six
In this embodiment, a zinc-air battery is provided, which includes a housing 61 and a current collector 62 disposed in the middle of the housing, wherein zinc paste 63, a battery separator 64 and an air electrode 65 are symmetrically disposed in the housing 61 from inside to outside on both sides of the current collector 62; referring specifically to fig. 8, in this embodiment, a U-shaped barrier film 66 is provided, and both the current collector 62 and the zinc paste 63 are wrapped in the U-shaped barrier film 66.
In the structure of this embodiment, two bag edges of the barrier film 66 in a bag shape are symmetrically located between the zinc paste 63 and the battery separator 64 on both sides of the current collector 62.
For any one of the above-described embodiments three to six
Correspondingly adopt the following practicable disassembly structure
Practical dismounting structure III
With specific reference to fig. 9 (shown by way of example in the fifth embodiment), at least one detachment aperture C is provided in the housing 31/41/51/61, and the barrier film 36/46/56/66 is detachable through the detachment aperture C.
(C) As shown in fig. 9, in the present invention, there is also provided a method of operating a zinc-air battery with respect to the detachable structure III; specifically, the method comprises the following steps:
the zinc-air battery matrix is assembled according to the structure that the current collector 32/42/52/62, the zinc paste 33/43/53/63, the battery diaphragm 34/44/54/64, the air electrode 35/45/55/65 and the shell 31/41/51/61 are sequentially arranged from inside to outside, and the barrier film 36/46/56/66 with the U-shaped structure is assembled correspondingly according to the structures provided in the third embodiment to the sixth embodiment;
at least one disassembly small hole C is formed in the shell 31/41/51/61, and corresponds to the U-shaped barrier film 36/46/56/66, so that the zinc-air battery is assembled;
preserving the assembled zinc-air battery with the barrier film 36/46/56/66 and the disassembly small hole C by using a vacuum bag; (the storage time was set to 120 days)
When using the zinc-air cell, the U-shaped barrier film 36/46/56/66 is pulled out from the detachment aperture C; the contact between the zinc paste 33/43/53/63 and the air electrode 35/45/55/65 is ensured, and the whole zinc-air battery is further ensured to be in a usable state.
In addition, as for any of the zinc-air cell structures used in the above-described embodiments one to six, the following detachable structures can be used
Practicable disassembly structure IV
The barrier film 15/24/36/46/56/66 is a thermal degradation type barrier film, and the thermal degradation temperature of the thermal degradation type barrier film is 40-60 ℃, and particularly preferably 45 ℃.
(D) Aiming at the detachable structure IV, the invention also provides an operation method of the zinc-air battery; specifically, the method comprises the following steps:
preparing a thermal degradation barrier film 15/24/36/46/56/66 by mixing polyethylene with a thermal oxidizer;
the zinc-air battery of the present invention is assembled according to the structure provided in any one of the first to sixth embodiments;
preserving the assembled zinc-air cell with the barrier film 15/24/36/46/56/66 by a vacuum bag; (the storage time was set to 120 days)
When the zinc-air battery is used, the temperature of the zinc-air battery is increased to 45 ℃ and kept for 5min, and the thermal degradation of the barrier film is completed.
Specifically, for the four operation methods of a/B/C/D, the difference of the discharge performance of the zinc-air battery before and after storage is compared to obtain a performance comparison chart shown in fig. 10, and as can be seen from the graph, the discharge performance of the zinc-air battery provided by the invention is not greatly changed after the zinc-air battery is stored for 120 days.
In addition, a blank comparative example was set for the four operation methods described above:
assembling the existing zinc-air battery without the barrier film, and hermetically storing the existing zinc-air battery by using a vacuum bag; the existing zinc-air battery is stored for different time, and the difference of discharge performance of the existing zinc-air battery before and after storage is compared, so that a performance comparison chart shown in fig. 11 is obtained, and the graph can be seen: when not stored, the discharge voltage of the existing zinc-air battery is about 1.15V on average, and the discharge time is about 17 hours; after 7 days of storage, the discharge voltage is reduced to 1.1V on average, and the discharge time is reduced to 38 hours; after 30 days of storage, the discharge voltage is reduced to 1.0V on average; after 120 days of storage the discharge voltage was reduced to 0.6V on average.
In summary, according to the zinc-air battery structure with the detachable barrier film, the air electrode is effectively prevented from being contacted with zinc paste based on the isolation of the barrier film, so that the problems of electrode hydrophobicity reduction, electrolyte leakage, carbonation and the like are effectively avoided, and the storage time and the service life of the zinc-air battery are further effectively prolonged; in addition, the quick removal of the barrier film is realized based on a plurality of thermal degradation materials, hot-melt materials and a plurality of disassembly structures with different structural forms, so that the zinc-air battery can be normally used, and the disassembly structure and the disassembly mode are relatively simple.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a zinc-air battery, includes the casing, and the electric current collector that sets up perpendicularly with the casing, in the casing, from interior to outside symmetry in the both sides of electric current collector is equipped with zinc cream, battery diaphragm and air electrode, its characterized in that: also comprises a detachable barrier film;
the barrier film is disposed between the battery separator and the air electrode,
or between the zinc paste and a battery separator;
wherein the barrier film wraps the zinc paste at two sides of the current collector respectively,
or the barrier film wraps the zinc paste and the current collector in a combined way,
or the barrier film wraps the zinc paste, the current collector and the battery separator in a combined way.
2. A zinc-air cell according to claim 1, characterized in that: the barrier film is arranged between the battery diaphragm and the air electrode, or between the zinc paste and the battery diaphragm, a pull rope is embedded in the barrier film, and one end of the pull rope extends out of the bottom of the barrier film and extends to the outer side of the shell.
3. The zinc-air cell of claim 2, further comprising a rotatable spool disposed on top of one side of the housing, wherein one end of the pull cord extending from the bottom of the barrier film is secured around the spool, and wherein at least one end of the spool is located outside the housing.
4. A zinc-air cell according to claim 1, characterized in that: at least one disassembly small hole is formed in the shell, and the barrier film wrapped by the shell can be disassembled and pulled out through the disassembly small hole.
5. A zinc-air cell according to any one of claims 1 to 4, characterized in that: the barrier film is a thermal degradation type barrier film or a hot melt type barrier film.
6. The zinc-air cell of claim 5, wherein the thermal degradation temperature of the thermally-degradable barrier film is from 40 ℃ to 100 ℃; the thermal degradation temperature of the hot melt type barrier film is 40-80 ℃.
7. The zinc-air cell of claim 5, wherein the thermal degradation temperature of the thermally-degradable barrier film is 40 ℃ to 60 ℃; the thermal degradation temperature of the hot melt type barrier film is 40-60 ℃.
8. The zinc-air cell according to claim 5, wherein the thermally degradable barrier film is one or more of polyethylene, polyethylene wax, polypropylene, ABS, polylactic acid, polyacrylic acid, polycarbonate, polyvinyl chloride, and polyurethane.
9. The zinc-air cell of claim 5, wherein the thermally degradable barrier film comprises a composition that may include a thermal oxidant and/or a catalyst as an additive.
10. The zinc-air cell according to claim 5, wherein the hot-melt type barrier film comprises one or more of paraffin wax, polyethylene wax, agar, polycaprolactone, and fatty acid.
CN202011461259.8A 2020-12-12 2020-12-12 Zinc-air battery Active CN114628716B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2303390Y (en) * 1997-09-19 1999-01-06 武汉同原电源有限公司 External oxygen type cylindrical zinc-air battery
CN1318877A (en) * 2001-01-07 2001-10-24 华南理工大学 Cylindrical alkaline primary zinc-air battery and manufacturing method thereof
CN101908661A (en) * 2009-06-03 2010-12-08 北京中航长力能源科技有限公司 Novel sealing method of cylindrical zinc-air battery
CN102005578A (en) * 2010-10-15 2011-04-06 南开大学 Cylindrical film air electrode and application thereof in zinc-air battery
CN208368698U (en) * 2018-02-10 2019-01-11 镇江市振兴电力工程有限责任公司 A kind of zinc-air battery

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180366797A1 (en) * 2017-06-14 2018-12-20 Usan Technology Inc. Tri-electrode zinc-air fuel cell

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2303390Y (en) * 1997-09-19 1999-01-06 武汉同原电源有限公司 External oxygen type cylindrical zinc-air battery
CN1318877A (en) * 2001-01-07 2001-10-24 华南理工大学 Cylindrical alkaline primary zinc-air battery and manufacturing method thereof
CN101908661A (en) * 2009-06-03 2010-12-08 北京中航长力能源科技有限公司 Novel sealing method of cylindrical zinc-air battery
CN102005578A (en) * 2010-10-15 2011-04-06 南开大学 Cylindrical film air electrode and application thereof in zinc-air battery
CN208368698U (en) * 2018-02-10 2019-01-11 镇江市振兴电力工程有限责任公司 A kind of zinc-air battery

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