CN1292506C - 铅酸蓄电池正极用深循环板栅合金 - Google Patents
铅酸蓄电池正极用深循环板栅合金 Download PDFInfo
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- CN1292506C CN1292506C CNB02138102XA CN02138102A CN1292506C CN 1292506 C CN1292506 C CN 1292506C CN B02138102X A CNB02138102X A CN B02138102XA CN 02138102 A CN02138102 A CN 02138102A CN 1292506 C CN1292506 C CN 1292506C
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- Prior art keywords
- lead
- alloy
- positive electrode
- cerium
- storage battery
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- 239000002253 acid Substances 0.000 title claims abstract description 15
- 239000001999 grid alloy Substances 0.000 title claims abstract description 8
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 12
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 12
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 5
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 8
- 239000011575 calcium Substances 0.000 claims description 8
- 229910052791 calcium Inorganic materials 0.000 claims description 8
- 239000011133 lead Substances 0.000 claims description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052718 tin Inorganic materials 0.000 claims description 7
- 239000011135 tin Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910000838 Al alloy Inorganic materials 0.000 abstract 1
- 230000002028 premature Effects 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 229910018725 Sn—Al Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- 239000002142 lead-calcium alloy Substances 0.000 description 2
- 229910001245 Sb alloy Inorganic materials 0.000 description 1
- 239000002140 antimony alloy Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000002141 low-antimony alloy Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Images
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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- Cell Electrode Carriers And Collectors (AREA)
Abstract
一种铅酸蓄电池正极用深循环板栅合金，其特征在于铅钙锡铝合金中添加金属钇和金属铈等稀土金属，钇含量0.06%～1.2%，铈含量0.06%～0.15%，本发明中由于少量稀土金属的添加使板栅合金的晶体结构发生变化，耐腐蚀性增强、导电性增强、电化学稳定性强，从而使铅酸蓄电池深循环寿命明显提高。
Description
技术领域
本发明涉及一种铅酸蓄电池正极用板栅合金，特别是加入稀土金属的深循环板栅合金，属铅酸蓄电池领域。
背景技术
目前铅酸蓄电池为了实现密封和免维护要求，其正极板栅普遍采用铅钙合金或低锑合金。铅钙合金虽然析氧过电位高、析气量小，但由于钙所形成的腐蚀膜导电性差等原因，产生的无锑效应使铅酸电池易出现早期容量衰减和寿命提前终止等；铅锑合金板栅由于锑含量的降低，使合金腐蚀层性能变差，带来铅酸电池在深循环应用时容量减少、寿命提前终止。目前，市场上的铅酸蓄电池普遍存在早期容量衰减和深循环寿命差的现象，使铅酸电池寿命从理论上的十几年减少到现在的3到5年，因此，板栅合金大大限制了铅酸蓄电池的使用寿命。
发明内容
本发明的目的是提供一种耐腐蚀、电阻小、电化学稳定性强，能够延长铅酸电池使用寿命的铅酸蓄电池正极用深循环板栅合金。
本发明的技术方案是：在含有铅、钙、锡、铝的合金中添加稀土金属钇和铈，合金中所含各成分的重量百分比为：钙0.8％～1％、锡0.4％～0.8％、铝0.01％～0.12％、钇0.06％～1.2％、铈0.06％～0.15％，其余为铅。
采用以上技术方案，铅钙锡铝合金中添加稀土金属钇、铈后改变了合金晶体结构，比不加金属钇、铈的腐蚀失重小，欧姆内阻降低明显，在硫酸溶液中稳定性强，能使活性物质容易发生电化学反应，进而使板栅耐腐蚀性能以及活性物质的放电性能有所提高，从而减少了铅酸蓄电池早期容量衰减和寿命提前终止的现象。
附图说明
附图为采用铅钙锡铝合金板栅添加0.07％金属钇和0.08％金属铈前后制成电池的循环寿命试验曲线示意图，其中：曲线1-添加前；曲线2-添加后。
具体实施方式
例1：选取各成分按如下重量百分比为：钙含量0.8％、锡含量0.8％、铝含量0.01％、钇含量0.07％、铈含量0.08％，其余为铅，制作板栅和装配组成电池进行实验，从附图可以看出，由于板栅腐蚀量、板栅腐蚀膜阻抗明显减小，合金的电化学稳定性明显增强，导致电池深循环寿命从400～800次提高到1200次以上。
例2：选取各成分按如下重量百分比：钙1％、锡0.5％、铝0.1％、钇0.1％、铈0.12％，其余为铅，制作板栅和装配组成电池，试验后循环寿命有明显提高。
例3：选取各成分按如下重量百分比：钙0.9％、锡0.4％、铝0.12％、钇1％、铈0.06％，其余为铅，制作板栅和装配组成电池，试验后循环寿命有明显提高。
Claims (1)
1、一种铅酸蓄电池正极用深循环板栅合金，含有铅、钙、锡、铝成分，其特征是该合金中添加稀土金属钇和铈，合金中所含各成分的重量百分比为：钙0.8％～1％、锡0.4％～0.8％、铝0.01％～0.12％、钇0.06％～1.2％、铈0.06％～0.15％，其余为铅。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02138102XA CN1292506C (zh) | 2002-08-13 | 2002-08-13 | 铅酸蓄电池正极用深循环板栅合金 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02138102XA CN1292506C (zh) | 2002-08-13 | 2002-08-13 | 铅酸蓄电池正极用深循环板栅合金 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1476118A CN1476118A (zh) | 2004-02-18 |
| CN1292506C true CN1292506C (zh) | 2006-12-27 |
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| CNB02138102XA Expired - Fee Related CN1292506C (zh) | 2002-08-13 | 2002-08-13 | 铅酸蓄电池正极用深循环板栅合金 |
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| CN (1) | CN1292506C (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388469B (zh) * | 2007-09-11 | 2010-04-14 | 戴志强 | 阀控式免维护膜铅酸蓄电池 |
| CN107841653A (zh) * | 2017-11-29 | 2018-03-27 | 河南超威电源有限公司 | 一种阀控铅酸蓄电池用正极板栅合金及其制备方法 |
| PL3604576T3 (pl) * | 2018-07-31 | 2021-06-28 | Hoppecke Batterien Gmbh & Co. Kg. | Stop ołowiu, elektroda i akumulator |
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- 2002-08-13 CN CNB02138102XA patent/CN1292506C/zh not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1476118A (zh) | 2004-02-18 |
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Assignee: Jiangsu Shuangde Group Co., Ltd. Assignor: Longyuan Shuangdeng Power Supply co., Ltd., Jiangsu Contract fulfillment period: 2009.3.1 to 2019.3.1 contract change Contract record no.: 2009320000348 Denomination of invention: Deep circulation plato grid alloy formulation for lead acid battery positive electrode Granted publication date: 20061227 License type: Exclusive license Record date: 2009.3.13 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.3.1 TO 2019.3.1; CHANGE OF CONTRACT Name of requester: JIANGSU SHUANGDENG GROUP CO.,LTD. Effective date: 20090313 |
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Granted publication date: 20061227 Termination date: 20110813 |