CN114628716A - Zinc-air battery - Google Patents

Zinc-air battery Download PDF

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Publication number
CN114628716A
CN114628716A CN202011461259.8A CN202011461259A CN114628716A CN 114628716 A CN114628716 A CN 114628716A CN 202011461259 A CN202011461259 A CN 202011461259A CN 114628716 A CN114628716 A CN 114628716A
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Prior art keywords
zinc
barrier film
battery
air
current collector
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CN202011461259.8A
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CN114628716B (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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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M12/00Hybrid cells; Manufacture thereof
    • H01M12/04Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
    • H01M12/06Hybrid 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/02Details
    • H01M8/0202Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0204Non-porous and characterised by the material
    • H01M8/0221Organic resins; Organic polymers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy 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, wherein the current collector is vertically arranged with the shell; in addition, the device also comprises a detachable barrier film; the barrier film is disposed between the battery separator and the air electrode; or between the calamine cream and the battery diaphragm; or the barrier film respectively wraps the zinc pastes on the two sides of the current collector; or the barrier film wraps the zinc paste and current collector combination; or the barrier film wraps the zinc paste, the current collector and the battery diaphragm in a combined manner; in conclusion, when the zinc-air battery is stored, the air electrode is effectively prevented from contacting with the 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 resources and low price of metal zinc, many battery systems use zinc as an electrode, such as zinc-air batteries, zinc-nickel batteries, zinc-silver batteries, and the like. Among them, the zinc-air battery has been widely paid attention and researched due to its advantages of high specific energy, low price, safety, etc. For convenience of use, zinc active substances, electrolyte, gelling agents, additives and the like can be mixed into paste, the paste is filled into an anode cavity of the zinc-air battery in advance and stored in a wet state, the discharging can be directly carried out during use, and the battery can be discarded or the paste can be replaced after use.
Wet storage is one of the key problems facing zinc air cells. During wet storage, the catalytic layer side of the air cathode is always in contact with the electrolyte, and the electrolyte migrates in the air cathode along with the increase of time, so that the hydrophobicity of the cathode is reduced, and the problems of electrolyte leakage, carbonation and the like gradually occur, and the cathode structure is damaged. In addition, soaking of the electrolyte may reduce the electrocatalyst activity. Eventually, the performance of the air cathode is reduced and the zinc-air battery fails.
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 for operating the same.
In order to achieve the purpose, the invention provides the following technical scheme:
a zinc-air battery comprises a shell and a current collector which is vertical to the shell, wherein zinc paste, a battery diaphragm and an air electrode are symmetrically arranged in the shell and on two sides of the current collector from inside to outside; in addition, the device also comprises a detachable barrier film;
the barrier film is disposed between the battery separator and the air electrode;
or between the calamine cream and the battery diaphragm;
or the barrier film respectively wraps the zinc pastes on the two sides of the current collector;
or the barrier film wraps the zinc paste and current collector combination;
or the barrier film wraps the zinc paste, the current collector and the battery diaphragm in a combined manner.
Optionally, when the barrier film is disposed 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 outside of the case.
Furthermore, the zinc-air battery also 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, the casing is provided with at least one detachment hole, and the barrier film wrapped around the casing can be detached and pulled out through the detachment hole.
Optionally, the barrier film is a thermal degradation type barrier film or a thermal melting type barrier film.
The thermal degradation temperature of the thermal degradation type barrier film is 40-100 ℃, and the preferred thermal degradation temperature range is 40-60 ℃; the thermal degradation temperature of the hot-melt type barrier film is 40-80 ℃, and the preferred hot-melt 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 thermal degradation type barrier film may include a thermal oxidizer and/or a catalyst as an additive.
Preferably, the hot-melt type barrier film comprises one or more of paraffin, polyethylene wax, agar, polycaprolactone and fatty acid.
In summary, the present invention has the following advantageous effects
Compared with the existing zinc-air battery, the zinc-air battery structure has the advantages that the zinc-air battery structure with the separation film capable of separating the air electrode and the zinc paste is provided, and the separation film has the characteristic of being rapidly removed; thus:
when the zinc-air battery is stored, the air electrode is effectively prevented from contacting with the 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 prolonged;
when the zinc-air battery is used, the barrier film is quickly removed based on various thermal degradation materials, hot melting materials and various 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 simple.
Drawings
Fig. 1 is a schematic structural diagram of a zinc-air battery according to a first embodiment of the invention;
fig. 2 is a schematic structural view of a zinc-air battery according to a second embodiment of the present invention;
FIG. 3 is a schematic view of a first disassembled structure of the barrier film according to the first or second embodiment;
FIG. 4 is a schematic view of a second disassembled structure of the barrier film according to the first or second embodiment;
fig. 5 is a schematic structural view of a zinc-air battery according to a third embodiment of the present invention;
fig. 6 is a schematic structural view of a zinc-air battery according to a fourth embodiment of the present invention;
fig. 7 is a schematic structural view of a zinc-air cell according to a fifth embodiment of the present invention;
fig. 8 is a schematic structural view of a zinc-air battery according to a sixth embodiment of the present invention;
fig. 9 is a schematic view of a disassembled structure of the barrier film according to any one of the third to sixth embodiments;
FIG. 10 is a comparative graph of the discharge performance of the zinc-air battery provided by the invention before and after 120 days of storage;
FIG. 11 is a graph showing a comparison of the discharge performance of a conventional zinc-air battery before and after storage;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the zinc-air battery suitable for long-time wet storage, the existing zinc-air battery is improved in the 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 and on two sides of the current collector from inside to outside;
aiming at the existing zinc-air battery, the improvement provided by 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 pastes on the two sides of the current collector are respectively wrapped by the barrier film;
or the barrier film wraps the zinc paste and the current collector in combination;
or the barrier film wraps the zinc paste, the current collector and the battery diaphragm in a combined manner.
When 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.
Furthermore, the zinc-air battery provided by the embodiment of the invention further comprises a rotatable reel 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 reel, and at least one end of the reel is positioned outside the shell.
The shell is provided with at least one dismounting small hole, and the coated barrier film can be dismounted and pulled out through the dismounting small hole.
In the embodiment of the invention, the barrier film is a thermal degradation type barrier film or a hot melting type barrier film.
Specifically, the thermal degradation temperature of the thermal degradation type barrier film is 40-100 ℃, and the preferred thermal degradation temperature range is 40-60 ℃; the thermal degradation temperature of the hot-melt type diaphragm is 40-80 ℃, and the preferred hot-melt temperature range is 40-60 ℃.
In the embodiment of the invention, the thermal degradation type barrier film comprises one or more than two of polyethylene, polyethylene wax, polypropylene, ABS, polylactic acid, polyacrylic acid, polycarbonate, polyvinyl chloride and polyurethane.
Alternatively, the thermal degradation type barrier film may further contain a thermal oxidizer and/or a catalyst as an additive.
Or the hot-melt type barrier film comprises one or more than two of paraffin, polyethylene wax, agar, polycaprolactone and fatty acid.
In particular, the following specific examples are provided for a detailed explanation of the detachable barrier film.
Example one
In the embodiment, a zinc-air battery is provided, which includes a case 11 and a current collector 12 disposed in the middle of the case, wherein a zinc paste 13, a battery diaphragm 14, a barrier film 15 and an air electrode 16 are symmetrically disposed inside the case 11 and on two sides of the current collector 12 from inside to outside; as can be seen in particular from fig. 1, the barrier film 15 is disposed between the battery separator 14 and the air electrode 16.
Example two
In the present embodiment, a zinc-air battery is provided, which includes a case 21 and a current collector 22 disposed in the middle of the case, wherein a zinc paste 23, a barrier film 24, a battery separator 25, and an air electrode 26 are symmetrically disposed inside the case 21 and on two sides of the current collector 22 from inside to outside; as can be seen in particular from fig. 2, the barrier film 24 is disposed between the zinc paste 23 and the battery separator 25.
In view of the above embodiment one or embodiment two
Correspondingly adopts the following two implementable disassembly structures
Practical dismounting structure one
As shown in fig. 3, a draw string a is fixedly inserted into the barrier film 15/24, and one end of the draw string a extends from the bottom of the barrier film 15/24 and extends to the outside of the housing 11/21; the housing 11/21 is movably engaged with the pull cord A such that the pull cord A can be pulled within the housing 11/21.
(A) With reference to fig. 3, with respect to the first detachable structure, in the present invention, an operation method of a zinc-air battery is also provided; specifically, the method comprises the following steps:
placing a drawstring a within the barrier film 15/24 such that drawstring a extends from 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 arranged in sequence from inside to outside, arranging a barrier film 15 with a pull rope A between a battery diaphragm 14 and an air electrode 16, arranging a barrier film 24 with a pull rope A between 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 assembly of the zinc-air battery;
preserving the assembled zinc-air battery with the barrier film 15/24 and the pull rope A by using a vacuum bag; (storage time was set to 120 days)
When the zinc-air battery is used, one end of the pull rope A outside the shell 11/21 is pulled to pull the bottom of the barrier film 15/24; therefore, the barrier film 15/24 is wound from bottom to top, so that the zinc paste 13/23 and the air electrode 16/26 can be in contact with each other, and the whole zinc-air battery is in a usable state.
Practical dismounting structure two
As shown in fig. 4, a draw string a is fixedly inserted into the barrier film 15/24, and one end of the draw string a extends from the bottom of the barrier film 15/24; a rotatable reel B is provided near the top of the housing 11/21, the end of the cord A extending from the bottom of the barrier film 15/24 is wound around 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 view of the second detachable structure, in the present invention, an operation method of a zinc-air battery is further provided; specifically, the method comprises the following steps:
placing a drawstring a within the barrier film 15/24 such that drawstring a extends from the bottom of the barrier film 15/24;
assembling a zinc-air battery base body in 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 arranged in sequence from inside to outside, arranging a barrier film 15 with a pull rope A between a battery diaphragm 14 and an air electrode 16, and arranging a barrier film 24 with a pull rope A between zinc paste 23 and the battery diaphragm 25;
a rotatable reel B is arranged at a position close to the top of the shell 11/21, and the movable end of the pull rope A is wound and fixed on the reel B, so that at least one end of the reel B is positioned outside the shell 11/21, and the assembly of the zinc-air battery is completed;
preserving the assembled zinc-air battery with the barrier film 15/24, the pull rope A and the reel B by using a vacuum bag; (preservation time is set to 120 days)
When the zinc-air battery is used, the reel B is rotated to wind the rope A and the barrier film 15/24 on the reel B; therefore, the barrier film 15/24 is wound from bottom to top, so that the zinc paste 13/23 and the air electrode 16/26 can be in contact with each other, and the whole zinc-air battery is in a usable state.
EXAMPLE III
In the present embodiment, a zinc-air battery is provided, which includes a case 31 and a current collector 32 disposed in the middle of the case, wherein a zinc paste 33, a battery separator 34 and an air electrode 35 are symmetrically disposed inside the case 31 and on two sides of the current collector 32 from inside to outside; specifically, referring to fig. 5, in the present embodiment, two symmetrical barrier films 36 are provided, the barrier films 36 are in a bag shape, and the zinc paste 33 on two sides of the current collector 32 are respectively wrapped in the two bag-shaped barrier films 36.
In the structure of the present embodiment, the barrier film 36 having a bag shape has two bag edges respectively located between the current collector 32 and the zinc paste 33, and between the zinc paste 33 and the battery separator 34.
Example four
In the present embodiment, a zinc-air battery is provided, which includes a case 41 and a current collector 42 disposed in the middle of the case, wherein a zinc paste 43, a battery separator 44 and an air electrode 45 are symmetrically disposed inside the case 41 and on two sides of the current collector 42 from inside to outside; as shown in fig. 6, in the present embodiment, two barrier films 46 with a symmetrical U-shaped structure are provided, and the zinc paste 43 and the battery separator 44 on two sides of the current collector 42 are respectively wrapped in the two U-shaped barrier films 46.
In the structure of the present embodiment, the barrier film 36 having a bag shape has two bag edges respectively located between the current collector 32 and the zinc paste 33 and between the battery separator 44 and the air electrode 45.
EXAMPLE five
In the present embodiment, a zinc-air battery is provided, which includes a case 51 and a current collector 52 disposed in the middle of the case, wherein a zinc paste 53, a battery separator 54 and an air electrode 55 are symmetrically disposed inside the case 51 and on two sides of the current collector 52 from inside to outside; as shown in fig. 7, in the present embodiment, one barrier film 56 having a U-shaped structure is provided, and the current collector 52, the zinc paste 53, and the battery separator 54 are all wrapped in the U-shaped barrier film 56.
In the structure of the present embodiment, the barrier film 36 having a pouch shape has both pouch edges symmetrically positioned between the battery separator 44 and the air electrode 45 on both sides of the current collector 52.
EXAMPLE six
In the present embodiment, a zinc-air battery is provided, which includes a case 61 and a current collector 62 disposed in the middle of the case, wherein a zinc paste 63, a battery separator 64 and an air electrode 65 are symmetrically disposed inside the case 61 and on two sides of the current collector 62 from inside to outside; as shown in fig. 8, in the present embodiment, one barrier film 66 having a U-shaped structure is provided, and the current collector 62 and the zinc paste 63 are both wrapped in the U-shaped barrier film 66.
In the structure of the present embodiment, the barrier film 66 in the form of a bag has two bag sides symmetrically located between the zinc paste 63 and the battery separator 64 on both sides of the current collector 62.
For any of the third to sixth embodiments
Correspondingly adopts the following implementable disassembly structure
Practical dismounting structure III
Specifically, as shown in fig. 9 (by way of example, the structure of the fifth embodiment), at least one detachment hole C is formed in the case 31/41/51/61, and the barrier film 36/46/56/66 is detachably pulled out through the detachment hole C.
(C) With reference to fig. 9, with respect to the third detachable structure, in the present invention, an operation method of a zinc-air battery is also provided; specifically, the method comprises the following steps:
assembling a zinc-air battery base body according to a structure that a current collector 32/42/52/62, zinc paste 33/43/53/63, a battery diaphragm 34/44/54/64, an air electrode 35/45/55/65 and a shell 31/41/51/61 are arranged from inside to outside in sequence, and assembling a U-shaped barrier film 36/46/56/66 corresponding to the structures provided in the third embodiment to the sixth embodiment;
at least one disassembly pinhole C is arranged on the shell 31/41/51/61, and the disassembly pinhole C corresponds to the U-shaped diaphragm 36/46/56/66, so that the zinc-air battery assembly is completed;
preserving the assembled zinc-air battery with the barrier film 36/46/56/66 and the disassembly small holes C by using a vacuum bag; (preservation time is set to 120 days)
When the zinc-air battery is used, the U-shaped diaphragm 36/46/56/66 is pulled outwards from the small dismounting hole C; contact between the zinc paste 33/43/53/63 and the air electrode 35/45/55/65 can be ensured, and the whole zinc-air battery is further ensured to be in a usable state.
In addition, any of the zinc-air battery structures used in the first to sixth embodiments may be a detachable structure that can be implemented as follows
Practical dismounting structure four
The barrier film 15/24/36/46/56/66 adopts 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:
mixing polyethylene and a thermal oxidant to prepare a thermal degradation type barrier film 15/24/36/46/56/66;
assembling the zinc-air battery according to the present invention according to the structure provided in any one of the first to sixth embodiments;
preserving the assembled zinc-air battery with the barrier film 15/24/36/46/56/66 by using a vacuum bag; (preservation time is set to 120 days)
When the zinc-air battery is used, the temperature of the zinc-air battery is raised to 45 ℃ and kept for 5min, and the thermal degradation of the barrier film is completed.
Specifically, the difference between the discharge performance of the zinc-air battery before and after storage is compared for the four operation methods of a/B/C/D, and a performance comparison graph shown in fig. 10 is obtained, and it can be seen from the graph that the discharge performance of the zinc-air battery provided by the invention does not change much after the zinc-air battery is stored for 120 days.
In addition, a blank comparative example is also set for the four operating methods described above:
assembling the existing zinc-air battery without the barrier film, and sealing and storing the existing zinc-air battery by using a vacuum bag; the conventional zinc-air battery was stored for different periods of time, and the difference in discharge performance before and after storage of the conventional zinc-air battery was compared to obtain a performance comparison graph shown in fig. 11, from which it can be seen that: when the zinc-air battery is not stored, the average discharge voltage of the existing zinc-air battery is about 1.15V, and the discharge time is about 17 h; after 7 days of storage, the discharge voltage is averagely reduced to 1.1V, and the discharge time is reduced to 38 h; the discharge voltage is reduced to 1.0V on average after 30 days of storage; the discharge voltage decreased to 0.6V on average after 120 days of storage.
In summary, based on the zinc-air battery structure with the detachable barrier film provided by the invention, the air electrode is effectively prevented from contacting with the 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 effectively prolonged; moreover, the barrier film is quickly removed based on various thermal degradation materials, hot melt materials and various 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 simple.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a zinc-air battery, includes the casing and the mass flow body of setting perpendicularly with the casing, in the casing, be equipped with calamine cream, battery diaphragm and air electrode, its characterized in that in the both sides from interior to exterior symmetry of mass flow body: also includes a removable barrier film;
the barrier film is disposed between the battery separator and the air electrode;
or between the calamine cream and the battery diaphragm;
or the barrier film respectively wraps the zinc pastes on the two sides of the current collector;
or the barrier film wraps the zinc paste and current collector combination;
or the barrier film wraps the zinc paste, the current collector and the battery diaphragm in a combined manner.
2. A zinc-air cell according to claim 1, wherein: 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 into 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 battery of claim 2, further comprising a rotatable reel disposed at a top of one side of the case, wherein the end of the pull cord extending from the bottom of the barrier film is wound around the reel, and at least one end of the reel is located outside the case.
4. A zinc-air cell according to claim 1, wherein: the shell is provided with at least one dismounting small hole, and the coated barrier film can be dismounted and pulled out through the dismounting small hole.
5. The zinc-air cell of any one of claims 1 to 4, wherein: the barrier film is a thermal degradation type barrier film or a hot melting type barrier film.
6. The zinc-air cell of claim 5, wherein said thermal degradation type barrier film has a thermal degradation temperature of 40 ℃ to 100 ℃, preferably a thermal degradation temperature in the range of 40 ℃ to 60 ℃; the thermal degradation temperature of the hot-melt type diaphragm is 40-80 ℃, and the preferred hot-melt temperature range is 40-60 ℃.
7. The zinc-air battery according to claim 5, wherein the thermal degradation type barrier film comprises one or two or more of polyethylene, polyethylene wax, polypropylene, ABS, polylactic acid, polyacrylic acid, polycarbonate, polyvinyl chloride, and polyurethane.
8. The zinc-air cell of claim 5, wherein the thermal degradation barrier film comprises a composition that includes a thermal oxidizer and/or a catalyst as an additive.
9. The zinc-air battery according to claim 5, wherein the hot-melt type separator comprises one or more of paraffin, 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 (6)

* 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
US20180366797A1 (en) * 2017-06-14 2018-12-20 Usan Technology Inc. Tri-electrode zinc-air fuel cell
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

Patent Citations (6)

* 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
US20180366797A1 (en) * 2017-06-14 2018-12-20 Usan Technology Inc. Tri-electrode zinc-air fuel cell
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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