CN203910898U - Circular nickel-hydrogen battery - Google Patents
Circular nickel-hydrogen battery Download PDFInfo
- Publication number
- CN203910898U CN203910898U CN201420207643.9U CN201420207643U CN203910898U CN 203910898 U CN203910898 U CN 203910898U CN 201420207643 U CN201420207643 U CN 201420207643U CN 203910898 U CN203910898 U CN 203910898U
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- CN
- China
- Prior art keywords
- sheet
- positive
- negative
- plate
- positive electrode
- Prior art date
- 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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- 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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a circular nickel-hydrogen battery and solves the problems that a conventional circular nickel-hydrogen battery is relatively high in internal resistance, has high probability of electric leakage and is relatively complicated in processing technique. The upper surface of a positive collecting sheet (3) is connected with the lower surface of a positive electrode, a pressure relief rubber sheet (2) is arranged between the positive collecting sheet (3) and the positive electrode (1), foamed nickel of a negative plate is connected with the upper surface of a negative collecting sheet (7), the lower surface of the negative collecting sheet (7) is connected with the upper surface of a discoidal negative electrode (8), the positive electrode (1) and the negative electrode (8) are respectively arranged at the two ends of a cylinder to form a basic battery cell, the basic battery cell is placed in an insulating cylinder (5), and a metal casing (4) is arranged on the outer surface of the insulating cylinder (5). The circular nickel-hydrogen battery has the advantages that the internal resistance is low, electric leakage is less, the processing technique is simple, automatic production can be easily realized, high-capacity batteries can be easily manufactured, and the safety performance is relatively good.
Description
Technical field
The utility model relates to a kind of battery, especially relates to a kind of by positive electrode, release sheet rubber, positive plate, negative plate, positive pole sheet, the negative pole round Ni-MH battery that sheet, diaphragm, insulating cylinder and metal shell form that confluxes that confluxes.
Background technology
At present, a kind of round Ni-MH battery is disclosed on market, its design feature is: comprise the positive electrode that is plate-like, release sheet rubber, positive plate, negative plate, the positive pole sheet that confluxes, the negative pole sheet that confluxes, diaphragm, insulating cylinder and as the metal shell of negative electrode, positive plate and negative plate are and are staggered, between positive plate and negative plate, be provided with diaphragm, and by positive plate, negative plate and diaphragm are curled into cylinder, the positive pole sheet lower surface that confluxes is connected with the nickel foam of positive plate, be provided with in the positive pole sheet center of confluxing the hole of being convenient to the excessive and filling liquid of gas, the nickel foam part of positive plate is connected by spot welding and the positive pole sheet that confluxes, the positive pole sheet that confluxes is convenient to the excessive and compressing tablet lower surface that unloads servicing fluids body opening of gas and is connected with being processed with by brace, on compressing tablet upper surface, be connected with the positive electrode that is plate-like unloading, in the groove in the middle of positive electrode, be provided with release sheet rubber, the lower surface of release sheet rubber can be lived the port lid unloading on compressing tablet, the negative pole that the nickel foam of negative plate is made with the nickel foam sheet that confluxes is connected, by positive plate, negative plate and diaphragm are rolled on columned outer surface and are set with metal shell, metal shell is connected as negative pole and the negative pole sheet that confluxes, metal shell near the inner surface of positive electrode by sealed insulation ring with anodal, unloading compressing tablet and the positive pole sheet that confluxes is connected, on metal shell outer surface, be provided with insulating cylinder.
There is following shortcoming in this structure:
1, conflux sheet and positive electrode close together of positive pole, welding procedure complexity, must adopt brace to be flexible coupling, and easily causes internal resistance larger, has limited High-current output.
2, the negative pole that negative plate is made with the nickel foam sheet that confluxes contacts, and the negative pole that nickel foam the is made sheet that confluxes contacts with box hat, and twice contact of negative pole output all do not welded, and easily causes larger unstable internal resistance.
3, conflux sheet and unload diaphragm is not set between compressing tablet of positive pole, once electrolyte enter by positive pole conflux sheet, unload compressing tablet and the cavity that forms as the metal shell of negative electrode in, be prone to leaky.
4, the more difficult sealing test that carries out after cell sealing, sealing property is difficult to ensure.
Metal shell, as negative electrode, in the time becoming battery pack, adopts heat-shrink tube insulation conventionally, and due to temperature, the impact of external force easily causes insulation damages, causes battery partial short-circuit, therefore, has potential safety hazard.
Summary of the invention
The purpose of this utility model is to provide that a kind of internal resistance is little, little, the processing technology of leaking electricity simply, easily realizes automated production, easily manufacture high capacity cell, the good round Ni-MH battery of security performance.
For achieving the above object, a kind of round Ni-MH battery of the utility model, comprise the positive electrode that is plate-like, release sheet rubber, positive plate, negative plate, the positive pole sheet that confluxes, the negative pole sheet that confluxes, diaphragm, insulating cylinder and metal shell, positive plate and negative plate are and are staggered, between positive plate and negative plate, be provided with diaphragm, and by positive plate, negative plate and diaphragm are curled into cylinder, the positive pole sheet lower surface that confluxes is connected with the nickel foam of positive plate, be provided with in the positive pole sheet center of confluxing the hole of being convenient to the excessive and filling liquid of gas, the described positive pole sheet upper surface that confluxes is connected with positive electrode lower surface, conflux and between sheet and positive electrode, be provided with release sheet rubber at positive pole, the nickel foam of negative plate and the negative pole sheet upper surface that confluxes is connected, the conflux lower surface of sheet of negative pole is connected with the negative electrode upper surface that is plate-like, make positive electrode and negative electrode be separately positioned on cylinder two ends and form basic battery core, basic battery core is placed in insulating cylinder, be provided with metal shell at insulating cylinder outer surface.
Be provided with ring-shaped groove near the metal shell outer surface two ends of positive electrode and negative electrode.
Be provided with flanging at described insulating cylinder two ends, be convenient to positive pole the conflux part of sheet of sheet and negative pole of confluxing to be placed in insulating cylinder.
Be provided with flanging at described metal shell two ends, be convenient to the flanging at insulating cylinder two ends to be placed in metal shell.
Described release sheet rubber is arranged in the positive electrode groove that is plate-like and is placed in positive pole and conflux on the hole of sheet.
On the described positive electrode shirt rim that is plate-like, be provided with at least together radially arrange be convenient to the excessive groove of gas.
Adopt after this structure, because positive electrode and the positive pole sheet that confluxes directly welds, conflux sheet and anodal nickel foam of positive pole directly welded, and negative electrode and the negative pole sheet that confluxes directly welds, and conflux sheet and negative pole nickel foam of negative pole directly welded.Saved brace and unloaded compressing tablet, thereby it is simple to reach processing technology, the object that internal resistance is less.Because metal shell and positive electrode, negative electrode all insulate, reduce leaky again.Show through actual measurement: its internal resistance is than several times to tens times of original minimizings, and its discharging current energy force rate had increased several times to tens times originally.
brief description of the drawingsbelow in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing 1 is the main cross-sectional schematic of a kind of round Ni-MH battery of the utility model.
In figure: 1. positive electrode 2. release sheet rubber 3. positive poles sheet 4. metal shell 5. insulating cylinder 6. diaphragm 7. negative poles sheet 8. negative electrodes that conflux that conflux.
embodimenta kind of round Ni-MH battery of the utility model shown in accompanying drawing 1, comprise the positive electrode 1 that is plate-like, release sheet rubber 2, positive plate, negative plate, the positive pole sheet 3 that confluxes, the negative pole sheet 7 that confluxes, diaphragm 6, insulating cylinder 5 and metal shell 4, positive plate and negative plate are and are staggered, between positive plate and negative plate, be provided with diaphragm 6, and by positive plate, negative plate and diaphragm 6 are curled into cylinder, positive pole sheet 3 lower surfaces that conflux are connected with the nickel foam of positive plate, be provided with in positive pole sheet 3 centers of confluxing the hole of being convenient to the excessive and filling liquid of gas, described positive pole sheet 3 upper surfaces that conflux are connected with positive electrode 1 lower surface, conflux and be provided with release sheet rubber 2 between sheet 3 and positive electrode 1 at positive pole, the nickel foam of negative plate and negative pole sheet 7 upper surfaces that conflux are connected, the conflux lower surface of sheet 7 of negative pole is connected with negative electrode 8 upper surfaces that are plate-like, make positive electrode 1 and negative electrode 8 be separately positioned on cylinder two ends and form basic battery core, basic battery core is placed in insulating cylinder 5, be provided with metal shell 4 at insulating cylinder 5 outer surfaces, be provided with ring-shaped groove near the metal shell 4 outer surface two ends of positive electrode 1 and negative electrode 8, be provided with flanging at described insulating cylinder 5 two ends, be convenient to positive pole the conflux part of sheet 7 of sheet 3 and negative pole of confluxing to be placed in insulating cylinder 5, be provided with flanging at described metal shell 4 two ends, be convenient to the flanging at insulating cylinder 5 two ends to be placed in metal shell 4, described release sheet rubber 2 is arranged in positive electrode 1 groove that is plate-like and is placed in positive pole and conflux on the hole of sheet 3, on described positive electrode 1 shirt rim that is plate-like, be provided with at least together radially arrange be convenient to the excessive groove of gas.
Claims (6)
1. a round Ni-MH battery, comprise the positive electrode that is plate-like, release sheet rubber, positive plate, negative plate, the positive pole sheet that confluxes, the negative pole sheet that confluxes, diaphragm, insulating cylinder and metal shell, positive plate and negative plate are and are staggered, between positive plate and negative plate, be provided with diaphragm, and by positive plate, negative plate and diaphragm are curled into cylinder, the positive pole sheet lower surface that confluxes is connected with the nickel foam of positive plate, be provided with in the positive pole sheet center of confluxing the hole of being convenient to the excessive and filling liquid of gas, it is characterized in that: described positive pole sheet (3) upper surface that confluxes is connected with positive electrode (1) lower surface, conflux and be provided with release sheet rubber (2) between sheet (3) and positive electrode (1) at positive pole, the nickel foam of negative plate and negative pole sheet (7) upper surface that confluxes is connected, the conflux lower surface of sheet (7) of negative pole is connected with negative electrode (8) upper surface that is plate-like, make positive electrode (1) and negative electrode (8) be separately positioned on cylinder two ends and form basic battery core, basic battery core is placed in insulating cylinder (5), be provided with metal shell (4) at insulating cylinder (5) outer surface.
2. the round Ni-MH battery of one according to claim 1, is characterized in that: be provided with ring-shaped groove near metal shell (4) the outer surface two ends of positive electrode (1) and negative electrode (8).
3. the round Ni-MH battery of one according to claim 1, is characterized in that: be provided with flanging at described insulating cylinder (5) two ends, be convenient to positive pole the conflux part of sheet (7) of sheet (3) and negative pole of confluxing to be placed in insulating cylinder (5).
4. the round Ni-MH battery of one according to claim 1, is characterized in that: be provided with flanging at described metal shell (4) two ends, be convenient to the flanging at insulating cylinder (5) two ends to be placed in metal shell (4).
5. the round Ni-MH battery of one according to claim 1, is characterized in that: described release sheet rubber (2) is arranged on to be in positive electrode (1) groove of plate-like and to be placed in positive pole and confluxes on the hole of sheet (3).
6. the round Ni-MH battery of one according to claim 1, is characterized in that: on described positive electrode (1) shirt rim that is plate-like, be provided with at least together radially arrange be convenient to the excessive groove of gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420207643.9U CN203910898U (en) | 2014-04-25 | 2014-04-25 | Circular nickel-hydrogen battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420207643.9U CN203910898U (en) | 2014-04-25 | 2014-04-25 | Circular nickel-hydrogen battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910898U true CN203910898U (en) | 2014-10-29 |
Family
ID=51785148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420207643.9U Expired - Fee Related CN203910898U (en) | 2014-04-25 | 2014-04-25 | Circular nickel-hydrogen battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915655A (en) * | 2014-04-25 | 2014-07-09 | 福建卫东新能源有限公司 | Circular nickel-metal hydride battery and manufacturing method thereof |
| CN105552452A (en) * | 2016-02-23 | 2016-05-04 | 福建牛尔电子技术有限公司 | High-capacity nickel metal hydride cylindrical battery |
-
2014
- 2014-04-25 CN CN201420207643.9U patent/CN203910898U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915655A (en) * | 2014-04-25 | 2014-07-09 | 福建卫东新能源有限公司 | Circular nickel-metal hydride battery and manufacturing method thereof |
| CN105552452A (en) * | 2016-02-23 | 2016-05-04 | 福建牛尔电子技术有限公司 | High-capacity nickel metal hydride cylindrical battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20190425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |