CN2446667Y - Nickel-isolating bag type high-multiplying power alkaline accumulator - Google Patents
Nickel-isolating bag type high-multiplying power alkaline accumulator Download PDFInfo
- Publication number
- CN2446667Y CN2446667Y CN00254940U CN00254940U CN2446667Y CN 2446667 Y CN2446667 Y CN 2446667Y CN 00254940 U CN00254940 U CN 00254940U CN 00254940 U CN00254940 U CN 00254940U CN 2446667 Y CN2446667 Y CN 2446667Y
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- CN
- China
- Prior art keywords
- cadmium
- nickel
- type high
- rate
- storage battery
- 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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- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 238000003487 electrochemical reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 150000002500 ions Chemical class 0.000 abstract description 2
- 230000005012 migration Effects 0.000 abstract description 2
- 238000013508 migration Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Classifications
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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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- Secondary Cells (AREA)
Abstract
本实用新型公开了一种镉镍袋式高倍率碱性蓄电池,它包括一个镉镍袋式碱性蓄电池,其特征在于:在镉镍袋式碱性蓄电池的极板钢带上的孔为圆孔,孔率为24—36%,并可把蓄电池壳体内各极板间的间距变为7.4—5毫米。从而增大了电化学反应的有效面积,缩短了放电过程中正、负离子的迁移距离,达到提高电化学反应速率,提高电池倍率放电性能的目的。
The utility model discloses a cadmium-nickel bag-type high-rate alkaline storage battery, which includes a cadmium-nickel bag-type alkaline storage battery, characterized in that the holes on the pole plate steel strip of the cadmium-nickel bag-type alkaline storage battery are round holes with a porosity of 24-36%, and the spacing between the pole plates in the battery shell can be changed to 7.4-5 mm. Thus, the effective area of the electrochemical reaction is increased, the migration distance of the positive and negative ions in the discharge process is shortened, and the purpose of increasing the electrochemical reaction rate and improving the battery rate discharge performance is achieved.
Description
本实用新型涉及蓄电池，特别是一种适用于铁路、交通、邮电、电力等行业作为启动、合闸、备用直流电源系统使用的镉镍袋式高倍率碱性蓄电池。The utility model relates to a storage battery, in particular to a cadmium-nickel bag-type high-rate alkaline storage battery suitable for starting, closing and backup DC power supply systems in industries such as railways, transportation, post and telecommunications, and electric power.
我国现有的镉镍袋式中、低倍率碱性蓄电池，是将孔率为10-23％钢带内装入活性物质作极板，再由多片极板按照12.5-7.5毫米的间距联接成为正负极组，装好隔极物安装在蓄电池的壳体内，即可进行充放电，做为直流电源使用。这种镉镍袋式中、低倍率碱性蓄电池，因其极板钢带受到孔形、孔径和工艺的制约，孔率低，而且极板之间的间距大，电流密度大，内阻高，因此放电倍率低，不能够进行大电流放电。The existing cadmium-nickel bag-type medium and low-rate alkaline storage batteries in my country are filled with active materials in steel strips with a porosity of 10-23% as plates, and then connected by multiple plates at a distance of 12.5-7.5 mm to form The positive and negative electrode groups are installed in the shell of the battery after installing the separators, so that they can be charged and discharged, and used as a DC power supply. This kind of cadmium-nickel bag-type medium and low rate alkaline storage battery has low porosity because of the plate steel belt is restricted by hole shape, pore diameter and process, and the distance between the plates is large, the current density is high, and the internal resistance is high. , so the discharge rate is low, and high current discharge cannot be performed.
本实用新型的目的是提供一种孔率高、极板间距小、能够放出较高电流的镉镍袋式高倍率碱性蓄电池。The purpose of the utility model is to provide a cadmium-nickel bag-type high-rate alkaline storage battery with high porosity, small distance between pole plates and high current discharge.
本实用新型的任务是这样实现的，这种镉镍袋式高倍率碱性蓄电池，它包括一个镉镍袋式碱性蓄电池，其特征在于：在镉镍袋式碱性蓄电池的极板钢带上的孔为圆孔，孔率为24-36％，各极板间的间距变为7.4-5毫米。The task of the present utility model is achieved in that this cadmium-nickel bag-type high-rate alkaline storage battery comprises a cadmium-nickel bag-type alkaline storage battery, and is characterized in that: The holes on the top are round holes with a porosity of 24-36%, and the distance between the pole plates becomes 7.4-5 millimeters.
本实用新型由于增大了极板钢带的孔率，增大了电化学反应的有效面积，提高反应速率，改善大电流放电性能，同时减小极板间距，可缩短放电过程中正、负离子的迁移距离，降低电池内阻，提高倍率放电性能。Because the utility model increases the porosity of the pole plate steel strip, the effective area of the electrochemical reaction is increased, the reaction rate is increased, the large current discharge performance is improved, and the distance between the pole plates is reduced at the same time, so that the positive and negative ions in the discharge process can be shortened. Migration distance, reduce battery internal resistance, improve rate discharge performance.
图1为本实用新型的正面局部剖示图；Fig. 1 is the front partial sectional view of the utility model;
图2为本实用新型的侧面局部剖示图；Fig. 2 is a side partial sectional view of the utility model;
图3为极板钢带的局部开成圆孔时的情况示意图。Fig. 3 is a schematic diagram of the situation when a part of the pole plate steel strip is opened into a circular hole.
图面说明；1．正极板组2．装配气塞3．负极板组4．隔极物5．电池壳体D为极板间距。Description of drawings; 1.
本实用新型镉镍袋式高倍率碱性蓄电池，是在镉镍袋式中、低倍率碱性蓄电池的基础上进行了改进，主要改进之处是将镉镍袋式碱性蓄电池的极板钢带上的微孔由长形孔改为圆形孔，有效地增加了开孔面积，使开孔率达到24-36％之间，并相应将极板和隔极物变薄，使电池壳体内各极板间的间距缩小为7.4-5毫米，在有限的空间内可增加极板片数，加大反应面积，提高放电倍率。The utility model of the cadmium-nickel bag-type high-rate alkaline storage battery is improved on the basis of the cadmium-nickel bag-type medium and low-rate alkaline storage battery. The micro-holes on the belt are changed from elongated holes to circular holes, which effectively increases the opening area, making the opening rate reach between 24-36%, and correspondingly thinning the pole plates and separators to make the battery shell The distance between the plates in the body is reduced to 7.4-5 mm, the number of plates can be increased in a limited space, the reaction area can be enlarged, and the discharge rate can be increased.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00254940U CN2446667Y (en) | 2000-09-15 | 2000-09-15 | Nickel-isolating bag type high-multiplying power alkaline accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00254940U CN2446667Y (en) | 2000-09-15 | 2000-09-15 | Nickel-isolating bag type high-multiplying power alkaline accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2446667Y true CN2446667Y (en) | 2001-09-05 |
Family
ID=33612073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00254940U Expired - Fee Related CN2446667Y (en) | 2000-09-15 | 2000-09-15 | Nickel-isolating bag type high-multiplying power alkaline accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2446667Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326263C (en) * | 2005-07-30 | 2007-07-11 | 四川长虹电源有限责任公司 | Method for manufacturing package type plate of pocket type Nickel-cadmium alkaline storage battery |
-
2000
- 2000-09-15 CN CN00254940U patent/CN2446667Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326263C (en) * | 2005-07-30 | 2007-07-11 | 四川长虹电源有限责任公司 | Method for manufacturing package type plate of pocket type Nickel-cadmium alkaline storage battery |
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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 |