CN203859186U - High-power nickel hydride battery - Google Patents
High-power nickel hydride battery Download PDFInfo
- Publication number
- CN203859186U CN203859186U CN201420355227.3U CN201420355227U CN203859186U CN 203859186 U CN203859186 U CN 203859186U CN 201420355227 U CN201420355227 U CN 201420355227U CN 203859186 U CN203859186 U CN 203859186U
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- China
- Prior art keywords
- nickel
- layer
- electrode
- membrane layer
- battery
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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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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model relates to a high-power nickel hydride battery. One end of a nickel electrode is provided with a transition section with a thinner upper part and a thicker lower part, which is arranged on the outermost layer of a rolled winding core; a blowout prevention alkaline liquor device is arranged between the upper end surface of the winding core, and a cover plate, and comprises a PVC surface pad arranged on the winding core and an alkaline liquor absorption sponge arranged on the PVC surface pad; a first diaphragm layer, a second diaphragm layer and a third diaphragm layer are sequentially overlaid to form a diaphragm; the first diaphragm layer and the third diaphragm layer are both polypropylene coatings, and the second diaphragm layer is a modified polytetrafluoroethylene coating; an asphalt insulation layer is arranged between the inner bottom of a shell and the winding core. The high-power nickel hydride battery has the advantage that the technical problem that the hydride battery has the same performance as a nickel-cadmium battery basically when being used in high-current and high-power environment is solved.
Description
Technical field
The utility model relates to battery, relates to the connection of electrode, espespecially a kind of high-capacity nickel-hydrogen battery.
Background technology
The Ni-MH battery industry of one of great industry as 21 century energy field, just in various fields, be widely used---as the electrokinetic cell of electric automobile, automated arm, electrical equipment and tool drives power supply, the energy storage battery of the units such as military affairs, colliery and enterprises and institutions, and the standing power supply of communication commanding system etc.Along with the demand in market, Ni-MH battery is except towards high power, jumbo future development.
Existing Ni-MH battery is to be arranged in housing after adopting positive electrode, negative electrode, membrane coil to be coiled into a cylinder volume core, between its bottom and housing, places an insulation spacer, through slot rolling, spot welding, note electrolyte, seal, change into handling process and make.
This battery has replaced nickel-cadmium cell gradually owing to having high, the non-toxic pollution of energy Ratios, low cost and other advantages, but while using under heavy current, high-power environment, the performance of Ni-MH battery is not as nickel-cadmium cell.Therefore Ni-MH battery fails to replace nickel-cadmium cell always, improves the performance of Ni-MH battery under high power conditions and becomes the main points that those skilled in the art pay close attention to.
Summary of the invention
For the shortcoming of prior art, when the purpose of this utility model is to provide a kind of can use under heavy current, high-power environment, performance is equivalent to the high-capacity nickel-hydrogen battery of nickel-cadmium cell performance substantially.
The utility model solves the technical scheme that its technical problem adopts: a kind of high-capacity nickel-hydrogen battery is provided, comprise nickel electrode, hydrogen electrode, barrier film, electrolyte, housing, sealing ring and block, described block is connected with nickel electrode, described housing is connected with hydrogen electrode, described nickel electrode, hydrogen electrode, membrane winding rolling core are also arranged in described housing, it is characterized in that:
Described nickel electrode one end has one by the changeover portion of thick attenuation, and should after reeling, roll up the outermost layer of core by the changeover portion of thick attenuation, and the Thickness Ratio of the thinnest end of the described changeover portion by thick attenuation and the thickest end is 1:6～1:7;
Between described volume core upper surface and cover plate, be provided with blowout prevention alkali lye device, this blowout prevention alkali lye device comprises the PVC face pad of being located on volume core, and is located at the suction alkali lye sponge on PVC face pad, on described PVC face pad, is provided with uniformly a plurality of relief holes;
Described barrier film is by the first membrane layer, the second membrane layer and the 3rd membrane layer laminating formation that superpose successively, and the first membrane layer and the 3rd membrane layer are polypropylene rete, and the second membrane layer is modified Teflon rete;
In described shell, between the end and described volume core, be provided with bitumen insulation layer, the thickness of described bitumen insulation layer is 0. 1-0. 2mm.
The beneficial effects of the utility model are: comprehensively solved the technical problem that performance when high-capacity nickel-hydrogen battery is used under heavy current, high-power environment is equivalent to nickel-cadmium cell substantially.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model will be further described.
Fig. 1 is structure cross-sectional schematic of the present utility model.
During Fig. 2, nickel electrode structure of the present utility model is launched schematic diagram.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the utility model volume cored structure schematic diagram.
Fig. 5 is barrier film 5 structural representations of the present utility model.
In figure: 1 is that nickel electrode, 2 is that cover plate, 3 is that hydrogen electrode, 4 is that bitumen insulation layer, 5 is that barrier film, 6 is that battery cap, 7 is that housing, 8 is that suction Aral Sea cotton, 9 is PVC face pad.
Embodiment
Referring to accompanying drawing, a kind of high-capacity nickel-hydrogen battery of the utility model, comprise nickel electrode 1, hydrogen electrode 3, barrier film 5, electrolyte, housing 7 and block 6, described block 6 is connected with nickel electrode 1, described housing 7 is connected with hydrogen electrode 3, described nickel electrode 1, hydrogen electrode 3, barrier film 5 coiling cores are also arranged in described housing 7, it is characterized in that:
Described nickel electrode 1 one end has one by the changeover portion 11 of thick attenuation, and by the changeover portion 11 of thick attenuation, after reeling, is rolled up the outermost layer of core, and the thinnest end of the described changeover portion by thick attenuation and the Thickness Ratio of thick end are 1:6～1:7; Such structure can seamlessly transit the outermost layer of the volume core of Ni-MH battery to inferior skin to greatest extent, to improve the space availability ratio of housing, thereby can increase the capacity of Ni-MH battery.
Between described volume core upper surface and cover plate 2, be provided with blowout prevention alkali lye device, this blowout prevention alkali lye device comprises the PVC face pad 9 of being located on volume core, and is located at the suction alkali lye sponge 8 on PVC face pad 9, on described PVC face pad 9, is provided with uniformly a plurality of relief holes; In can making that battery produces, calm the anger body blending alkali lye by by PVC face pad with inhale the continuous blowout prevention forming of Aral Sea and inhale after alkali device, alkali lye all absorbs, and when gas pressure surpasses while blocking a shot pressure release, only has gas to be released, and has solved the leakage problem of alkali lye.
Described barrier film 5 is by the first membrane layer 51, the second membrane layer 52 and the 3rd membrane layer 53 laminating formation that superpose successively, and the first membrane layer 51 and the 3rd membrane layer 53 are polypropylene rete, and the second membrane layer 52 is modified Teflon rete; Three layers of barrier film are used in combination the hot strength that can simultaneously improve small ingot of gold or silver hydrogen battery barrier film and life-span and the charged conservation rate that improves nickel-hydrogen battery separator, reduced the short circuit ratio of barrier film simultaneously, Ni-MH battery composite diaphragm also has the feature that chemical stability is good, oxidation resistance is strong, high temperature resistant and intensity is large, adopted thus above-mentioned Ni-MH battery composite diaphragm, the combination property of Ni-MH battery can obtain larger raising.
Between the interior end of described housing 7 and described volume core, be provided with bitumen insulation layer 4, the thickness of described bitumen insulation layer 4 is 0. 1-0. 2mm.Owing to being provided with bitumen insulation layer between the end in housing and volume core, volume core, after entering housing, dissolves pitch through high temperature, and pitch dissolves with barrier film 5 and is bonded together.Stopped because of the electrode slice work that comes off
Property the material powder short circuit that causes in housing bottom accumulation, be secondly possible moisture content in evaporation barrier film, contribute to note alkali, improve note alkali efficiency.
Claims (1)
1. a high-capacity nickel-hydrogen battery, comprise nickel electrode, hydrogen electrode, barrier film, electrolyte, housing, sealing ring and block, described block is connected with nickel electrode, described housing is connected with hydrogen electrode, described nickel electrode, hydrogen electrode, membrane winding rolling core are also arranged in described housing, it is characterized in that:
Described nickel electrode, hydrogen electrode one end have one by the changeover portion of thick attenuation, and by the changeover portion of thick attenuation, after reeling, are rolled up the outermost layer of core, and the thinnest end of the described changeover portion by thick attenuation and the Thickness Ratio of thick end are 1:6～1:7;
Between described volume core upper surface and cover plate, be provided with blowout prevention alkali lye device, this blowout prevention alkali lye device comprises the PVC face pad of being located on volume core, and is located at the suction alkali lye sponge on PVC face pad, on described PVC face pad, is provided with uniformly a plurality of relief holes;
Described barrier film is by the first membrane layer, the second membrane layer and the 3rd membrane layer laminating formation that superpose successively, and the first membrane layer and the 3rd membrane layer are polypropylene rete, and the second membrane layer is modified Teflon rete;
In described housing, between the end and described volume core, be provided with bitumen insulation layer, the thickness of described bitumen insulation layer is 0. 1-0. 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420355227.3U CN203859186U (en) | 2014-06-30 | 2014-06-30 | High-power nickel hydride battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420355227.3U CN203859186U (en) | 2014-06-30 | 2014-06-30 | High-power nickel hydride battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859186U true CN203859186U (en) | 2014-10-01 |
Family
ID=51609026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420355227.3U Expired - Fee Related CN203859186U (en) | 2014-06-30 | 2014-06-30 | High-power nickel hydride battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203859186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524579A (en) * | 2018-11-15 | 2019-03-26 | 邹平铭波电源有限公司 | Nickel-metal hydride battery and preparation method thereof comprising novel meson |
-
2014
- 2014-06-30 CN CN201420355227.3U patent/CN203859186U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524579A (en) * | 2018-11-15 | 2019-03-26 | 邹平铭波电源有限公司 | Nickel-metal hydride battery and preparation method thereof comprising novel meson |
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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: 20141001 Termination date: 20160630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |