CN2556797Y - Nickel metal hydride alkaline cell - Google Patents
Nickel metal hydride alkaline cell Download PDFInfo
- Publication number
- CN2556797Y CN2556797Y CN01264333U CN01264333U CN2556797Y CN 2556797 Y CN2556797 Y CN 2556797Y CN 01264333 U CN01264333 U CN 01264333U CN 01264333 U CN01264333 U CN 01264333U CN 2556797 Y CN2556797 Y CN 2556797Y
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- CN
- China
- Prior art keywords
- metal hydride
- nickel metal
- battery
- hydride alkaline
- alkaline battery
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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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- Y02E60/124—
Abstract
The utility model discloses a nickel metal hydride alkaline battery 10, comprising a battery shell 1, inside which a positive electrode 3 and a negative electrode 5 are arranged, a sepiment 4 is arranged between the positive electrode 3 and the negative electrode 5. The battery shell 1 of the battery 10 is provided with an explosion prevention safety device 20 to assure that the inner pressure and heat of the battery can be effectively released when accidental events or urgent or unsafe factors appear, thus accidents can be avoided.
Description
Technical field
The utility model relates to a kind of nickel metal hydride alkaline battery, particularly a kind of can be with the high-power nickel metal hydride alkaline battery that DC power supply is provided to using electricity system.
Background technology
In the prior art, the professional has proposed the nickel metal hydride alkaline battery as DC power supply, and still, this nickel metal hydride alkaline battery also needs to improve, so that this battery can provide the output of high power high power capacity, and improve the security performance of battery.For this reason, require the nickel metal hydride alkaline battery to have the tabular positive electrode of further improvement and the project organization of negative electrode, the internal resistance when exporting to reduce high power.In the design of safeguard construction, need the rising of regulating cell internal pressure, so that when inner pressure of battery is too high, in time discharge gas rapidly, guarantee battery operated safety.And, to guarantee to run into incident at battery, when perhaps meeting urgent unsafe factor, can discharge cell internal pressure and heat effectively, thereby avoid occurring contingency.
The utility model content
The purpose of this utility model is the defective that exists in the prior art in order to solve, and a kind of nickel metal hydride alkaline battery is provided, and it comprises battery case.In battery case, be provided with positive electrode and negative electrode.Between positive electrode and negative electrode, be provided with barrier film.On the battery case of battery, be provided with anti-explosion safety device.
In the another kind of nickel metal hydride alkaline battery that the utility model provides, described anti-explosion safety device by valve body and in valve body longitudinally spool, spring and the regulating element installed successively of axis constitute.The adjustment of anti-explosion safety device is lost heart gauge pressure at 0.05～0.8MPa.
In the another kind of nickel metal hydride alkaline battery that the utility model provides, described valve body interconnects by the internal thread of external screw thread and battery case.The external screw thread of regulating element and the internal thread of valve body cooperatively interact.
In the another kind of nickel metal hydride alkaline battery that the utility model provides, make the tabular positive electrode by nickel powder through the substrate that sintering makes the high strength porous, make active material wet method slurry by alloyed powder and make the tabular negative electrode, make plate diaphragm by polypropylene film.
In the another kind of nickel metal hydride alkaline battery that the utility model provides, positive terminal connects positive electrode, negative terminal connects negative electrode, with positive terminal with negative terminal is fastening is installed in the battery case of being made by ABS plastic, between positive terminal or negative terminal and battery case, seal and packing ring are installed respectively.
In the another kind of nickel metal hydride alkaline battery that the utility model provides, comprise KOH, NaOH, LiOH ternary electrolyte attached to the electrolyte in the barrier film.
In the another kind of nickel metal hydride alkaline battery that the utility model provides, the cross section of described nickel metal hydride alkaline battery is rectangular.
In the another kind of nickel metal hydride alkaline battery that the utility model provides, described positive terminal, negative terminal and anti-explosion safety device are arranged on the top of battery case.
The nickel metal hydride alkaline battery that the cross section that employing provides at the utility model is rectangular can improve the capacity of nickel metal hydride alkaline battery, and the ultra-high magnifications discharge performance is good, discharge curve is steady, memory-less effect, the specific energy height, volume is little, in light weight, internal resistance is little.And, have can bear certain overcharge, advantage such as overdischarge.Specific energy reaches 40wh/Kg and 86wh/L, is the twice of ickel-cadmium cell.Owing to adopted the secondary explosion relief valve, under certain inner pressure of battery, discharge gas, use safety and reliability, and the maintenance cost minimizing, can not cause environmental pollution.The rectangular nickel metal hydride alkaline battery of cross section can provide DC power supply to using electricity system with bigger power.And, can replace ickel-cadmium cell, be applied to electric power system switch cubicle divide-shut brake power supply, and in the engine in vehicle, boats and ships, aircraft field, for starter-generator and emergency service provide power supply.
Description of drawings
Fig. 1 is the front view of the nickel metal hydride alkaline battery that provides of the utility model.
Fig. 2 is the end view of nickel metal hydride alkaline battery shown in Figure 1.
Fig. 3 is the cutaway view of the detailed structure of the explosion relief valve 20 in the alkaline battery of nickel metal hydride shown in Fig. 2.
Embodiment
As illustrated in fig. 1 and 2, wherein described the rectangular nickel metal hydride alkaline battery 10 of a kind of cross section, it comprises battery case 1.In battery case 1, be provided with positive electrode 3 and negative electrode 5.Positive electrode 3 and negative electrode 5 are alternately repeatedly put, and form the plate group of positive electrode 3 and negative electrode 5.Between positive electrode 3 and negative electrode 5, be provided with barrier film 4.
On the battery case 1 of battery 10, be provided with anti-explosion safety device 20, this anti-explosion safety device 20 by valve body 21 and in valve body 21 longitudinally spool 22, spring 23 and the regulating element 24 installed successively of axis 25 constitute, wherein spool 22 is made by elastomeric material.Described valve body 21 interconnects by the internal thread of external screw thread and battery case 1.The internal thread of the external screw thread of regulating element 24 and valve body 21 cooperatively interacts.By the displacement of regulating element 24 with respect to valve body 21, adjustment spring 23 is applied to the pressure on the spool 22, thereby, make the adjustment of anti-explosion safety device 20 lose heart gauge pressure at 0.05～0.8MPa.
In a preferred embodiment, make tabular positive electrode 3 through the substrate that sintering makes the high strength porous, make active material wet method slurry by alloyed powder and make tabular negative electrode 5, make plate diaphragm 4 by polypropylene film by nickel powder.Comprise KOH, NaOH, LiOH ternary electrolyte attached to the electrolyte in the barrier film 4.
As illustrated in fig. 1 and 2, positive terminal 9 connects positive electrode 3, and negative terminal 7 connects negative electrode 5.With positive terminal 9 and negative terminal 7 fastening being installed in the battery case of making by ABS plastic 1, between positive terminal 9 or negative terminal 7 and battery case 1, seal 6 and packing ring 8 are installed respectively.
Described positive terminal 9, negative terminal 7 and anti-explosion safety device 20 are arranged on the top of battery case 1.
Example
The cross section of manufacturing capacity 40 ampere-hours is the nickel metal hydride alkaline battery of rectangle:
1, make positive electrode:
Proportioning: 255# nickel powder, 250 order hickelous nydroxides;
The CMC masking liquid, additive=1: 0.2: 1.2: 0.05～0.01
(1) make matrix,
(2) sintering parameter: 950 ℃～1000 ℃ of temperature, walking speed 1.0～1.3m/min
(3) the anodal vacuum of nickel is filled active material:
Nickel nitrate solution: density 1.70～1.80g/cm
380～100 ℃ of temperature
Acidity PH1～4 free acids, 1～3g/L
Sodium hydroxide solution: density 1.16～1.25g/cm
370～90 ℃ of temperature
Pass through vacuum impregnation, alkalize, fill out fair active material, repeat three to five times, make activity substance filling amount reach 1.8～2.0g/cm
3, the positive electrode plate capacity reaches 550mAh/cm
3
2, make negative electrode:
Proportioning: alloyed powder: 255# nickel powder: CMC masking liquid, additive=1: 0.01: 0.425: (0.005～0.03)
Finishing nickel powder: CMC masking liquid: conducting resinl: water=0.05: 1: (05～1＞: 2
3, electrolyte: KOH: NaOH: LiOH=1: 1: (0.05～1)
4, battery positive electrode size: 70 * 140 * 0.70
Negative electrode size: 70 * 140 * 0.35
Barrier film: 2590 * 155 * 0.16
Anodal: negative pole=17: 18
5, battery performance: rated capacity 40AH
(1) size 81 * 32.5 * 240mm
(2) weight≤2000g.
Embodiment recited above describes the nickel metal hydride alkaline battery that the utility model provides, and is not that the utility model is limited, and design that the utility model is asked for protection and scope are documented in claims of the present utility model.
Claims (8)
1. a nickel metal hydride alkaline battery (10), it comprises battery case (1), in battery case (1), be provided with positive electrode (3) and negative electrode (5), between positive electrode (3) and negative electrode (5), be provided with barrier film (4), it is characterized in that: on the battery case (1) of battery (10), be provided with anti-explosion safety device (20).
2. according to the described nickel metal hydride alkaline battery of claim 1, it is characterized in that: described anti-explosion safety device (20) by valve body (21) and in valve body (21) longitudinally the spool (22) installed successively of axis (25), spring (23) and regulating element (24) constitute, the adjustment of described anti-explosion safety device (20) is lost heart gauge pressure at 0.05～0.8MPa.
3. according to the described nickel metal hydride alkaline battery of claim 2, it is characterized in that: described valve body (21) interconnects by the internal thread of external screw thread and battery case (1), and the internal thread of the external screw thread of regulating element (24) and valve body (21) cooperatively interacts.
4. according to the described nickel metal hydride alkaline battery of claim 1, it is characterized in that: make tabular positive electrode (3) through the substrate that sintering makes the high strength porous by nickel powder, make active material wet method slurry by alloyed powder and make tabular negative electrode (5), make plate diaphragm (4) by polypropylene film.
5. according to the described nickel metal hydride alkaline battery of claim 1, it is characterized in that: positive terminal (9) connects positive electrode (3), negative terminal (7) connects negative electrode (5), with positive terminal (9) with negative terminal (7) is fastening is installed in the battery case of being made by ABS plastic (1), between positive terminal (9) or negative terminal (7) and battery case (1), seal (6) and packing ring (8) are installed respectively.
6. according to the described nickel metal hydride alkaline battery of claim 3, it is characterized in that: comprise KOH, NaOH, LiOH ternary electrolyte attached to the electrolyte in the barrier film (4).
7. according to the described nickel metal hydride alkaline battery of claim 1, it is characterized in that: the cross section of described nickel metal hydride alkaline battery (10) is rectangular.
8. according to claim 2 or 5 described nickel metal hydride alkaline batterys, it is characterized in that: described positive terminal (9), negative terminal (7) and anti-explosion safety device (20) are arranged on the top of battery case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01264333U CN2556797Y (en) | 2001-09-28 | 2001-09-28 | Nickel metal hydride alkaline cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01264333U CN2556797Y (en) | 2001-09-28 | 2001-09-28 | Nickel metal hydride alkaline cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2556797Y true CN2556797Y (en) | 2003-06-18 |
Family
ID=33671659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01264333U Expired - Fee Related CN2556797Y (en) | 2001-09-28 | 2001-09-28 | Nickel metal hydride alkaline cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2556797Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544455A (en) * | 2010-10-09 | 2012-07-04 | 荷贝克电池系统股份有限公司 | Method for producing a positive nickel-hydroxide electrode for a nickel-metal hydrid or nickel-cadmium battery |
| CN102593435A (en) * | 2012-02-24 | 2012-07-18 | 深圳市力可兴电池有限公司 | Nickel-hydrogen battery capable of being used in low-temperature environment and preparation method thereof |
| CN103872272A (en) * | 2014-03-27 | 2014-06-18 | 河南新太行电源有限公司 | Alkaline storage battery of high-speed train |
-
2001
- 2001-09-28 CN CN01264333U patent/CN2556797Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544455A (en) * | 2010-10-09 | 2012-07-04 | 荷贝克电池系统股份有限公司 | Method for producing a positive nickel-hydroxide electrode for a nickel-metal hydrid or nickel-cadmium battery |
| CN102593435A (en) * | 2012-02-24 | 2012-07-18 | 深圳市力可兴电池有限公司 | Nickel-hydrogen battery capable of being used in low-temperature environment and preparation method thereof |
| CN103872272A (en) * | 2014-03-27 | 2014-06-18 | 河南新太行电源有限公司 | Alkaline storage battery of high-speed train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |