CN1031652C - Alloy used for plate railings of anode and cathode in sealed maintenance-free lead acid battery - Google Patents
Alloy used for plate railings of anode and cathode in sealed maintenance-free lead acid battery Download PDFInfo
- Publication number
- CN1031652C CN1031652C CN92100597A CN92100597A CN1031652C CN 1031652 C CN1031652 C CN 1031652C CN 92100597 A CN92100597 A CN 92100597A CN 92100597 A CN92100597 A CN 92100597A CN 1031652 C CN1031652 C CN 1031652C
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- Prior art keywords
- alloy
- accumulator
- anode
- cathode
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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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Abstract
The present invention relates to an alloy used for the slab lattice of the positive and the negative plates of a closed maintenance-free lead-acid accumulator. The alloy is composed of 0.08 to 0.12% Pb, 0.05 to 0.1% Ca and In. the erosion products of the slab lattice of an accumulator made of the alloy are PbO-[2] without PbSO-[4] via the proof of X-rays and XPS detection, and thus, the disadvantage that the capacity of the accumulator is easy to lower early is overcome. The alloy has favorable mechanical properties, a hardness value of HB=14.5Kg/ cm +[2] and Sb=5.14Kg/ cm +[2] and favorable casting performance and conductive performance. The deep cyclic life of a vehicular closed maintenance-free accumulator assembled by the present invention is longer than that of an ordinary maintenance-free accumulator.
Description
The present invention relates to a kind of accumulated plate bar alloy material, particularly a kind of alloy material of the plate railings of anode and cathode in sealed maintenance-free lead acid battery based on lead-calcium alloy.
Lead acid cell has more than 100 year history, and grid material was wherein developed a kind of lead-calcium alloy Pb-Ca-Sn-AL alloy again in the last few years except traditional Pb-Sb alloy, be widely used in sealed maintenance-free lead acid battery.Yet the physical strength of this alloy is lower, has any problem the expansion that often deforms of the grid of making doing when large-scale enclosed cell uses; In addition, its anode plate grid surface corrosion product is PbSO
4, easily cause the early stage capacity of battery to descend.
The purpose of this invention is to provide a kind of with the alloy of In as additive, thereby intensity, erosion resistance and the life-span of improving lead-calcium alloy, to overcome weak point of the prior art.
The objective of the invention is to realize by following proposal.
The alloy material of plate railings of anode and cathode in sealed maintenance-free lead acid battery is by Pb, Ca, and In forms.Wherein Ca accounts for 0.08～0.14% of gross weight, and In accounts for 0.05～0.1% of gross weight, and all the other are Pb.
This alloy material since Ca in the time of 300 ℃, the solubleness in Pb only is 0.07%, at room temperature approaches zero, therefore dissolves in the reduction of the calcium of lead base body along with temperature, with Pb
3The form of Ca is separated out, and disperse is in crystal boundary, phase boundary.Because the effect of dispersion-strengthened, make the intensity of lead-calcium alloy reach the requirement of battery.In addition, the acid-resistant stability of In element itself is very high, after In dissolves in the lead base body, has changed the condition of surface of lead base body, and surperficial potential energy is improved, and has suppressed PbO
2To PbO
4Transformation, the anodic corrosion product that makes anode plate grid is PbO
2Simultaneously, part In is dissolved in the crystal formation sosoloid of Pb, and part In is scattered in crystal boundary, phase boundary, and the intensity of activation of separating out of Ca is raise, the Ca diffusion hindered, and the Pb3Ca particle of formation diminishes, and has played better dispersion-strengthened action.
The anode plate grid that alloy of the present invention is made, its corrosion product are through X ray, and " XPS " detects and prove PBO
2, do not contain PbSO4, because the surface corrosion product is PbO
2Thereby, overcome the shortcoming that the early stage capacity of battery descends.And this alloy has the favorable mechanical performance, its hardness value HB=142.1N/mm
2, 6b=50.37N/mm
2And have good casting properties and conductivity, be higher than common maintenance-free battery with its dark cycle life as the automobile-used sealed maintenance-free lead acid battery of 12V50Ah of positive and negative electrode grid assembling.
The present invention can have multiple embodiments, for example:
1, Ca0.08%, In0.1%, Pb surplus;
Alloy is melted under 500-520 ℃ of temperature, cast the positive and negative electrode grid and get final product.
2, Ca0.12%, In0.05% and Pb surplus; Alloy deposited under 500 ℃ of-510 ℃ of temperature melt, be cast into the 12V100Ah plate railings of anode and cathode and get final product, be assembled into the fully-closed store battery.
3, Ca0.10%, In0.08% and Pb surplus, alloy melts under 480-500 ℃ of temperature, be cast into the 12V80Ah plate railings of anode and cathode is assembled into the fully-closed store battery.
Claims (1)
1, a kind of alloy material of plate railings of anode and cathode in sealed maintenance-free lead acid battery is characterized in that chemical ingredients is Ca0.08-0.14%, In0.05-0.1%, Pb surplus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92100597A CN1031652C (en) | 1992-01-31 | 1992-01-31 | Alloy used for plate railings of anode and cathode in sealed maintenance-free lead acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92100597A CN1031652C (en) | 1992-01-31 | 1992-01-31 | Alloy used for plate railings of anode and cathode in sealed maintenance-free lead acid battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1063127A CN1063127A (en) | 1992-07-29 |
| CN1031652C true CN1031652C (en) | 1996-04-24 |
Family
ID=4938702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92100597A Expired - Fee Related CN1031652C (en) | 1992-01-31 | 1992-01-31 | Alloy used for plate railings of anode and cathode in sealed maintenance-free lead acid battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1031652C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403510B (en) * | 2011-11-15 | 2017-02-15 | 海安华达石油仪器有限公司 | Lead-acid storage battery positive electrode for electric bicycle |
| CN107579255A (en) * | 2017-07-29 | 2018-01-12 | 黄建平 | A kind of positive electrode grid of lead storage battery alloy and preparation method thereof |
-
1992
- 1992-01-31 CN CN92100597A patent/CN1031652C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1063127A (en) | 1992-07-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 |