CN2583817Y - Chargeable zinc-air cell - Google Patents
Chargeable zinc-air cell Download PDFInfo
- Publication number
- CN2583817Y CN2583817Y CN 02286536 CN02286536U CN2583817Y CN 2583817 Y CN2583817 Y CN 2583817Y CN 02286536 CN02286536 CN 02286536 CN 02286536 U CN02286536 U CN 02286536U CN 2583817 Y CN2583817 Y CN 2583817Y
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- CN
- China
- Prior art keywords
- battery
- electrode
- cathode
- cell
- zinc
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- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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- Y02E60/128—
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- Hybrid Cells (AREA)
Abstract
The utility model relates to a chargeable zinc and air cell in the technical field of a storage cell. The zinc and air cell is designed, aiming at the condition that a publicly known zinc and air cell can only be used once, and a mechanical charging cell can realize charging by replacing the cathode. The utility model has the essential design that metallic zinc arranged in the electrolyte of potassium hydroxide aqueous solution is the cell cathode, and air (oxygen) is the cell anode; a third electrode of the cell is additionally arranged to charge, the prerequisite that the cell anode is irreversible and is unable to be directly charged is converted into the fact that a chargeable electrode is replaced by the third electrode of the cell; a method that an effective reaction area of the electrode cathode is increased to reduce the current density of the electrode cathode in the charging process is used for controlling the formation of zinc dendrite. The utility model solves the problem of electrode polarity change in the process of cell charging and discharging, the metallic zinc of the cell cathode is recovered and used, and the environment pollution is reduced. The utility model has the characteristics of high capacity, smooth operating voltage, proper high-current discharge and obvious technological improvement.
Description
Technical Field
The utility model relates to a battery technical field.
Background
At present, zinc-air batteries are disposable and mechanically charged (negative electrode replacement type), the former belongs to an environment-friendly battery and has the defect that the zinc-air battery can only be used once, and the latter can be charged for a plurality of times and is inconvenient to operate, and if secondary charging is required, the zinc-air battery can be realized only by an auxiliary means because the positive electrode of the zinc-air battery is irreversible.
Disclosure of Invention
The utility model aims at providing a chargeable formula zinc-air battery to this field to solve the anodal irreversible of zinc-air battery, problem that can not directly charge. The design scheme is that a third electrode (auxiliary electrode) is additionally arranged between the positive electrode and the negative electrode, so that the electric polarity in the charging and discharging process is changed, the discharging reaction of the battery is carried out between the air electrode and the negative electrode, the reaction is carried out between the third electrode and the negative electrode during charging, and the air electrode does not participate in the reaction at the moment. The irreversibility of the positive electrode is overcome by the auxiliary means. The battery which takes metal zinc as the cathode of the battery, an air (oxygen) electrode as the anode of the battery and potassium hydroxide aqueous solution as the chemical power source of the electrolyte becomes an alternative high-efficiency energy-saving renewable energy source.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Number and name in the figure: 1. the battery comprises a negative electrode pole, 2, a positive electrode pole, 3, a battery cover, 4, a battery shell, 5, a battery diaphragm, 6, a battery positive electrode, 7, a battery third electrode pole, 8, a battery third electrode, 9, electrolyte, 10, a battery diaphragm, 11, a battery negative electrode, 12 and a negative electrode current collecting net.
Now referring to the above schematic drawings, the characteristics are described as follows: chargeable formula zinc-air battery, including negative pole utmost point post, anodal utmost point post, battery cover, battery casing, battery diaphragm, battery positive pole, battery third electrode utmost point post, battery third electrode, electrolyte, battery diaphragm, battery negative pole, negative pole current collection net, characterized by:
the metal zinc is used as an electrode cathode 11, the air (oxygen) is used as a battery anode 6, the potassium hydroxide aqueous solution is used as electrolyte, the electrode cathode 11 is arranged in the electrolyte 9, a cathode current collecting net 12 is arranged in the battery cathode of the battery shell 4, and the cathode current collecting net is connected with the cathode pole 1.
The periphery of the battery anode 6 is embedded in the wall of the battery shell 4.
The battery diaphragm 5 is connected with the battery diaphragm 10, the battery diaphragm 5 is arranged between the battery cathode 11 and the battery anode 6, and the battery anode is connected with the anode pole 2 on the battery cover 3 through a lead outside the battery diaphragm 5; outside the battery diaphragm 10, the battery third electrode is connected with the battery third electrode post 7 on the battery cover through a lead.
The third electrode 8 of the battery is indirectly connected with the positive electrode 6 of the battery, namely, the third electrode and the positive electrode are automatically switched through a special electronic element to perform charging and discharging.
The battery case 4 is connected with the battery positive electrode 6 to form a sealed whole, and a battery cover 3 is arranged in the top of the sealed whole.
The single rechargeable zinc-air battery can be combined into a combined type, namely a serial connection type, a parallel connection type and a serial and parallel connection type.
The working principle of the rechargeable zinc-air battery is as follows:
the battery discharge reaction is as follows:
and (3) positive electrode:
negative electrode:
the total reaction of battery discharge:
the battery charging reaction is as follows:
a third electrode:
negative electrode:
battery charging overall reaction:
Detailed Description
Taking the assembly shown in fig. 1 as an example, a battery shell is formed by embedding plastic on the periphery of a battery anode, the battery anode is made of conductive materials, a connecting wire at the outlet end of the upper part of the battery anode is connected with a battery third electrode through a special electronic element, a battery diaphragm 10 has the functions of ① isolating the electrodes, namely isolating the battery anode, the battery cathode and the battery third electrode, ② keeping a good ion channel among the electrodes and preventing an active substance from migrating to the electrodes, a cathode current collecting net 12 has the function of collecting current, the battery anode at the output end of a charger is connected with the battery third electrode, and the cathode pole at the output end of the charger is connected with the battery cathode during charging.
Claims (2)
1. The utility model provides a can fill formula zinc-air battery, is including negative pole utmost point post, anodal utmost point post, battery cover, battery case, battery diaphragm, battery positive pole, battery third electrode utmost point post, battery third electrode, electrolyte, battery diaphragm, battery negative pole, negative pole current collection net, characterized by:
a) the metal zinc is used as an electrode cathode (11), the air (oxygen) is used asa battery anode (6), the potassium hydroxide aqueous solution is used as electrolyte, the electrode cathode (11) is arranged in the electrolyte (9), a cathode current collecting net (12) is arranged in the battery cathode of the battery shell (4), and the cathode current collecting net is connected with a cathode pole (1);
b) the periphery of the battery anode (6) is embedded in the wall of the battery shell (4);
c) the battery diaphragm (5) is connected with the battery diaphragm (10), the battery diaphragm (5) is arranged between a battery cathode (11) and a battery anode (6), and the battery anode is connected with an anode pole (2) on the battery cover (3) through a lead outside the battery diaphragm (5); outside the battery diaphragm (10), a third electrode of the battery is connected with a third electrode pole (7) of the battery on the battery cover through a lead;
d) the third electrode (8) of the battery is indirectly connected with the positive electrode (6) of the battery, namely, the third electrode and the positive electrode are automatically switched through a special electronic element to perform charging and discharging.
2. The rechargeable zinc-air battery of claim 1, wherein the individual rechargeable zinc-air batteries can be combined into a combined rechargeable zinc-air battery pack.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02286536 CN2583817Y (en) | 2002-12-04 | 2002-12-04 | Chargeable zinc-air cell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02286536 CN2583817Y (en) | 2002-12-04 | 2002-12-04 | Chargeable zinc-air cell |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2583817Y true CN2583817Y (en) | 2003-10-29 |
Family
ID=33747213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02286536 Expired - Fee Related CN2583817Y (en) | 2002-12-04 | 2002-12-04 | Chargeable zinc-air cell |
Country Status (1)
Country | Link |
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CN (1) | CN2583817Y (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006114034A1 (en) * | 2005-04-28 | 2006-11-02 | Huang, Hao | An electrochemical method for producing and storing hydrogen by the redox of zinc and water |
CN101533935A (en) * | 2009-04-14 | 2009-09-16 | 黄穗阳 | A high-energy safe rechargeable lithium-oxygen battery |
CN101702454B (en) * | 2009-10-29 | 2011-06-01 | 黑龙江慧能绿色能源科技开发有限公司 | Zinc ion battery and manufacturing method thereof |
CN105098292A (en) * | 2015-07-28 | 2015-11-25 | 清华大学 | Horizontal three-electrode electrochemical rechargeable zinc-air battery |
CN114843528A (en) * | 2022-06-02 | 2022-08-02 | 何金立 | Depolarization method of metal fuel cell, three-electrode metal fuel cell and application |
-
2002
- 2002-12-04 CN CN 02286536 patent/CN2583817Y/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006114034A1 (en) * | 2005-04-28 | 2006-11-02 | Huang, Hao | An electrochemical method for producing and storing hydrogen by the redox of zinc and water |
CN101533935A (en) * | 2009-04-14 | 2009-09-16 | 黄穗阳 | A high-energy safe rechargeable lithium-oxygen battery |
CN101702454B (en) * | 2009-10-29 | 2011-06-01 | 黑龙江慧能绿色能源科技开发有限公司 | Zinc ion battery and manufacturing method thereof |
CN105098292A (en) * | 2015-07-28 | 2015-11-25 | 清华大学 | Horizontal three-electrode electrochemical rechargeable zinc-air battery |
CN114843528A (en) * | 2022-06-02 | 2022-08-02 | 何金立 | Depolarization method of metal fuel cell, three-electrode metal fuel cell and application |
CN114843528B (en) * | 2022-06-02 | 2024-01-26 | 何金立 | Depolarization method of metal fuel cell, three-electrode metal fuel cell and application |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |