CN103487348A - Method used for testing corrosion rate of battery grids - Google Patents
Method used for testing corrosion rate of battery grids Download PDFInfo
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- CN103487348A CN103487348A CN201310305804.8A CN201310305804A CN103487348A CN 103487348 A CN103487348 A CN 103487348A CN 201310305804 A CN201310305804 A CN 201310305804A CN 103487348 A CN103487348 A CN 103487348A
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- battery grid
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Abstract
The invention discloses a method used for testing corrosion rate of battery grids. The method comprises following steps: a diluted sulfuric acid solution is added into a container; a battery grid which is to be tested and is used as an anode and a battery grid which is used as an cathode are placed in the container; a certain time of charging is performed under a preset voltage; after charging, the battery grid to be tested is placed in a treatment solution for immersing so as to dissolve oxide compounds on the surface of the corroded battery grid; the battery grid is taken out from the treatment solution and is dried; weight loss of the battery grid is calculated; and the weight loss is divided by the charging time so as to obtain the corrosion rate of the battery grid. The method is used for calculating the corrosion rate of the battery grid by using the weight loss of the battery grid; is capable of detecting the corrosion rate of different grids rapidly so as to select alloy with higher corrosion resistance for preparation of grids, providing basis for design of lead-acid batteries so as to meet the requirements of different clients for different applications. It only needs 5 to 10 days for testing by using the method, testing time is shortened greatly, and testing efficiency is increased.
Description
Technical field
The application relates to lead-acid accumulator production field, relates in particular to a kind of battery grid corrosion rate method of testing.
Background technology
Grid is the important component part of lead-acid accumulator, and it is carrier and the electric conductor of lead-acid accumulator active substance.Positive negative active material is that the backup plate grid support, and electric energy and the required external electric energy that charges that active substance participation electrochemical reaction is emitted are all the conduction by grid.The corrosion that forms the alloy of grid directly has influence on the serviceable life of battery.In the production run of existing lead-acid accumulator, test battery grid corrosion speed needs assembled battery to carry out loop test, and the test duration is very long, at least needs more than 6 months.
Summary of the invention
The technical matters that the application will solve is for the deficiencies in the prior art, and a kind of battery grid corrosion rate method of testing is provided.
The technical matters that the application will solve is solved by the following technical programs:
A kind of battery grid corrosion rate method of testing comprises:
Dilution heat of sulfuric acid is placed in to container;
To put into respectively described container as anodal mesuring battary grid with as the battery grid of negative pole;
Under predetermined voltage, charge the schedule time;
Described mesuring battary grid after charging is placed in to Treatment Solution and soaks, the oxide on surface of the described mesuring battary grid that is corroded is dissolved;
Take out described mesuring battary grid and carry out drying, calculate the weight that described mesuring battary grid reduces;
The battery grid corrosion rate equals the weight of described mesuring battary grid minimizing divided by the duration of charging.
In said method, described Treatment Solution is NaOH, H
2the mixed solution of O, sweet mellow wine and hydrazine hydrochloride.
In said method, NaOH:H in described Treatment Solution
2o: sweet mellow wine: the weight ratio of hydrazine hydrochloride is (8～12) ︰ (85～90) ︰ (1.5～2.5) ︰ (0.5～1.5).
In said method, NaOH:H in described Treatment Solution
2o: sweet mellow wine: the weight ratio of hydrazine hydrochloride is 10 ︰ 87 ︰ 2 ︰ 1.
In said method, the concentration of described dilution heat of sulfuric acid is 1.270～1.300g/cm
3.
In said method, described predetermined voltage is 2.70～3.00V.
In said method, the described schedule time 120～240h.
In said method, after step will be put into respectively described container as anodal mesuring battary grid with as the battery grid of negative pole, step was charged before the schedule time under predetermined voltage, also comprised and described container was placed in to the water-bath of 70～80 ℃.
Describedly will put into respectively described container as anodal mesuring battary grid with as the battery grid of negative pole, and also comprise and use dividing plate that described mesuring battary grid and described battery grid as negative pole are separated.
Owing to having adopted above technical scheme, the beneficial effect that the application possesses is:
In the application's embodiment, owing to being placed in dilution heat of sulfuric acid as anodal mesuring battary grid, charged, battery grid generation oxidation is answered, and use Treatment Solution to make the oxide dissolution on battery grid surface, the weight reduced by the mesuring battary grid is calculated its corrosion rate, the corrosion rate of the different grids of energy quick test, thereby select corrosion resistance alloy making preferably grid, for the design of lead-acid accumulator provides foundation, to meet different purposes clients' needs, use the application's method, only need can complete test in 5～10 days, greatly shortened the test duration, improved testing efficiency.
The accompanying drawing explanation
The battery grid corrosion rate method of testing process flow diagram in one embodiment that Fig. 1 is the application.
Embodiment
Below by embodiment, by reference to the accompanying drawings the application is described in further detail.
As shown in Figure 1, the application's battery grid corrosion rate method of testing, its a kind of embodiment comprises the following steps:
Step 102: dilution heat of sulfuric acid is placed in to container.Wherein, the concentration of dilution heat of sulfuric acid is 1.270～1.300g/cm
3.
Step 104: will put into respectively container as anodal mesuring battary grid with as the battery grid of negative pole.Can also comprise in this step, use dividing plate to separate using the mesuring battary grid with as the battery grid of negative pole.
In one embodiment, container can also be placed in to the water-bath of 70～80 ℃, or container is placed in to other environment of 70～80 ℃ to be heated, to accelerate the corrosion speed of grid to be measured.
Step 106: charge the schedule time under predetermined voltage.Predetermined voltage can be 2.70～3.00V, and the schedule time can be 120～240h, and in the present embodiment, the schedule time is 168h.
Step 108: the mesuring battary grid after charging is placed in to Treatment Solution and soaks, the oxide on surface of the described mesuring battary grid that is corroded is dissolved.Mesuring battary grid after charging can be placed in to Treatment Solution and soak 1～3h.
Treatment Solution can be NaOH, H
2the mixed solution of O, sweet mellow wine and hydrazine hydrochloride.Wherein, NaOH:H in Treatment Solution
2o: sweet mellow wine: the weight ratio of hydrazine hydrochloride is (8～12) ︰ (85～90) ︰ (1.5～2.5) ︰ (0.5～1.5).In one embodiment, NaOH:H in Treatment Solution
2o: sweet mellow wine: the weight ratio of hydrazine hydrochloride is 10 ︰ 87 ︰ 2 ︰ 1.
Step 110: take out the mesuring battary grid and carry out drying, calculate the weight that the mesuring battary grid reduces;
Step 112: the battery grid corrosion rate equals the weight of mesuring battary grid minimizing divided by the duration of charging.
For the ease of the corrosion rate of the grid of different-alloy manufacturing relatively, in following embodiment, the duration of charging is 168h.
Embodiment mono-:
By concentration, be 1.270g/cm
3dilution heat of sulfuric acid is placed in container, to put into respectively container as anodal mesuring battary grid with as the battery grid of negative pole, the weight of mesuring battary grid is 72.7981g, use dividing plate to separate using the mesuring battary grid with as the battery grid of negative pole, container is placed in to the water-bath of 70 ℃, under 2.70V voltage, charges 168 hours, mesuring battary grid after charging is placed in to Treatment Solution and soaks, the oxide on surface of the mesuring battary grid that is corroded is dissolved.Treatment Solution is NaOH, H
2the mixed solution of O, sweet mellow wine and hydrazine hydrochloride, NaOH:H in Treatment Solution
2o: sweet mellow wine: the weight ratio of hydrazine hydrochloride is 8 ︰ 85 ︰ 1.5 ︰ 0.5.
Take out the mesuring battary grid and carry out drying, claim after experiment the weight of mesuring battary grid be 70.2073g, calculate the weight that the mesuring battary grid reduces and be:
72.7981g－70.2073g＝2.5908g
Battery grid corrosion rate V
rottenequal the weight of mesuring battary grid minimizing divided by the duration of charging,
V
rotten=2.5908g ÷ 168h=1.5421 * 10
-2g/h.
Embodiment bis-:
By concentration, be 1.300g/cm
3dilution heat of sulfuric acid is placed in container, to put into respectively container as anodal mesuring battary grid with as the battery grid of negative pole, the weight of mesuring battary grid is 72.7900g, use dividing plate to separate using the mesuring battary grid with as the battery grid of negative pole, container is placed in to the water-bath of 80 ℃, under voltage 3.00V, charges 168 hours, mesuring battary grid after charging is placed in to Treatment Solution and soaks, the oxide on surface of the mesuring battary grid that is corroded is dissolved.Treatment Solution is NaOH, H
2the mixed solution of O, sweet mellow wine and hydrazine hydrochloride, NaOH:H in Treatment Solution
2o: sweet mellow wine: the weight ratio of hydrazine hydrochloride is 12 ︰ 90 ︰ 2.5 ︰ 1.5.
Take out the mesuring battary grid and carry out drying, claim after experiment the weight of mesuring battary grid be 69.8694g, calculate the weight that the mesuring battary grid reduces and be:
72.7900g－69.8694g＝2.9206g
Battery grid corrosion rate V
rottenequal the weight of mesuring battary grid minimizing divided by the duration of charging,
V
rotten=2.9206g ÷ 168h=1.7385 * 10
-2g/h.
Embodiment tri-:
By concentration, be 1.285g/cm
3dilution heat of sulfuric acid is placed in container, to put into respectively container as anodal mesuring battary grid with as the battery grid of negative pole, the weight of mesuring battary grid is 73.0463g, use dividing plate to separate using the mesuring battary grid with as the battery grid of negative pole, container is placed in to the water-bath of 75 ℃, under voltage 2.85V, charges 168 hours, mesuring battary grid after charging is placed in to Treatment Solution and soaks, the oxide on surface of the mesuring battary grid that is corroded is dissolved.Treatment Solution is NaOH, H
2the mixed solution of O, sweet mellow wine and hydrazine hydrochloride, NaOH:H in Treatment Solution
2o: sweet mellow wine: the weight ratio of hydrazine hydrochloride is 10 ︰ 87 ︰ 2 ︰ 1.
Take out the mesuring battary grid and carry out drying, claim after experiment the weight of mesuring battary grid be 70.3431g, calculate the weight that the mesuring battary grid reduces and be:
73.0463g－70.3431g＝2.7032g
Battery grid corrosion rate V
rottenequal the weight of mesuring battary grid minimizing divided by the duration of charging,
V
rotten=2.7032g ÷ 168h=1.6090 * 10
-2g/h.
Above content is the further description of the application being done in conjunction with concrete embodiment, can not assert that the application's concrete enforcement is confined to these explanations.For the application person of an ordinary skill in the technical field, under the prerequisite that does not break away from the application's design, can also make some simple deduction or replace.
Claims (9)
1. a battery grid corrosion rate method of testing, is characterized in that, comprising:
Dilution heat of sulfuric acid is placed in to container;
To put into respectively described container as anodal mesuring battary grid with as the battery grid of negative pole;
Under predetermined voltage, charge the schedule time;
Described mesuring battary grid after charging is placed in to Treatment Solution and soaks, the oxide on surface of the described mesuring battary grid that is corroded is dissolved;
Take out described mesuring battary grid and carry out drying, calculate the weight that described mesuring battary grid reduces;
The battery grid corrosion rate equals the weight of described mesuring battary grid minimizing divided by the duration of charging.
2. battery grid corrosion rate method of testing as claimed in claim 1, is characterized in that, described Treatment Solution is NaOH, H
2the mixed solution of O, sweet mellow wine and hydrazine hydrochloride.
3. battery grid corrosion rate method of testing as claimed in claim 2, is characterized in that NaOH:H in described Treatment Solution
2o: sweet mellow wine: the weight ratio of hydrazine hydrochloride is (8～12) ︰ (85～90) ︰ (1.5～2.5) ︰ (0.5～1.5).
4. battery grid corrosion rate method of testing as claimed in claim 3, is characterized in that NaOH:H in described Treatment Solution
2o: sweet mellow wine: the weight ratio of hydrazine hydrochloride is 10 ︰ 87 ︰ 2 ︰ 1.
5. battery grid corrosion rate method of testing as claimed in claim 1, is characterized in that, the concentration of described dilution heat of sulfuric acid is 1.270～1.300g/cm
3.
6. battery grid corrosion rate method of testing as claimed in claim 1, is characterized in that, described predetermined voltage is 2.70～3.00V.
7. battery grid corrosion rate method of testing as claimed in claim 1, is characterized in that, the described schedule time 120～240h.
8. battery grid corrosion rate method of testing as claimed in claim 1, it is characterized in that, after step will be put into respectively described container as anodal mesuring battary grid with as the battery grid of negative pole, step was charged before the schedule time under predetermined voltage, also comprised and described container was placed in to the water-bath of 70～80 ℃.
9. battery grid corrosion rate method of testing as claimed in claim 1, it is characterized in that, describedly will put into respectively described container as anodal mesuring battary grid with as the battery grid of negative pole, and also comprise and use dividing plate that described mesuring battary grid and described battery grid as negative pole are separated.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075960A (en) * | 2014-06-27 | 2014-10-01 | 天能集团江苏科技有限公司 | Method for rapidly determining corrosion resistance of storage battery grid alloy |
| CN104122167A (en) * | 2014-08-11 | 2014-10-29 | 艾诺斯（重庆）华达电源系统有限公司 | Method for rapidly detecting corrosion resistance of grid of lead-acid storage battery |
| CN104215545A (en) * | 2014-04-23 | 2014-12-17 | 超威电源有限公司 | Method for testing corrosion resistance of lead acid battery plate grid |
| CN104697923A (en) * | 2015-03-12 | 2015-06-10 | 广东电网有限责任公司电力科学研究院 | Method for detecting corrosion resistance of bus-bar alloy of lead-acid storage battery |
| CN105842146A (en) * | 2016-05-11 | 2016-08-10 | 双登集团股份有限公司 | Heterogeneous anode grid corrosion and creep rate synchronous measuring device of lead-acid batteries |
| CN106323852A (en) * | 2016-08-23 | 2017-01-11 | 天能电池集团有限公司 | Test method for corrosion- resistance performance contrast of lead-acid battery grid |
| CN107219145A (en) * | 2017-04-21 | 2017-09-29 | 超威电源有限公司 | A kind of method for measuring battery grid extent of corrosion |
| CN107748132A (en) * | 2017-09-15 | 2018-03-02 | 超威电源有限公司 | A kind of hot environment grid corrosion method of testing and its device |
| CN107942252A (en) * | 2017-10-23 | 2018-04-20 | 超威电源有限公司 | A kind of test method of lead acid accumulator plate grid voltage's distribiuting |
| CN109238912A (en) * | 2018-09-25 | 2019-01-18 | 河南超威正效电源有限公司 | A kind of test device and test method of battery grid growth corrosion |
| CN109632559A (en) * | 2018-12-06 | 2019-04-16 | 天能电池集团有限公司 | A kind of test method of battery grid corrosion resistance |
| CN109765173A (en) * | 2019-01-16 | 2019-05-17 | 肇庆理士电源技术有限公司 | The method for rapidly testing of grid corrosion resistance |
| CN111505520A (en) * | 2020-04-22 | 2020-08-07 | 中国电力科学研究院有限公司 | Method and system for rapidly verifying corrosion behavior of lead-acid storage battery |
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- 2013-07-19 CN CN201310305804.8A patent/CN103487348A/en active Pending
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215545A (en) * | 2014-04-23 | 2014-12-17 | 超威电源有限公司 | Method for testing corrosion resistance of lead acid battery plate grid |
| CN104075960B (en) * | 2014-06-27 | 2016-05-25 | 天能集团江苏科技有限公司 | A kind of method of Fast Measurement accumulator plate grid alloy decay resistance |
| CN104075960A (en) * | 2014-06-27 | 2014-10-01 | 天能集团江苏科技有限公司 | Method for rapidly determining corrosion resistance of storage battery grid alloy |
| CN104122167A (en) * | 2014-08-11 | 2014-10-29 | 艾诺斯（重庆）华达电源系统有限公司 | Method for rapidly detecting corrosion resistance of grid of lead-acid storage battery |
| CN104697923B (en) * | 2015-03-12 | 2017-10-27 | 广东电网有限责任公司电力科学研究院 | Lead-acid storage battery busbar alloy corrosion resistance energy detection method |
| CN104697923A (en) * | 2015-03-12 | 2015-06-10 | 广东电网有限责任公司电力科学研究院 | Method for detecting corrosion resistance of bus-bar alloy of lead-acid storage battery |
| CN105842146A (en) * | 2016-05-11 | 2016-08-10 | 双登集团股份有限公司 | Heterogeneous anode grid corrosion and creep rate synchronous measuring device of lead-acid batteries |
| CN106323852A (en) * | 2016-08-23 | 2017-01-11 | 天能电池集团有限公司 | Test method for corrosion- resistance performance contrast of lead-acid battery grid |
| CN107219145A (en) * | 2017-04-21 | 2017-09-29 | 超威电源有限公司 | A kind of method for measuring battery grid extent of corrosion |
| CN107748132A (en) * | 2017-09-15 | 2018-03-02 | 超威电源有限公司 | A kind of hot environment grid corrosion method of testing and its device |
| CN107942252A (en) * | 2017-10-23 | 2018-04-20 | 超威电源有限公司 | A kind of test method of lead acid accumulator plate grid voltage's distribiuting |
| CN107942252B (en) * | 2017-10-23 | 2020-02-14 | 超威电源集团有限公司 | Method for testing grid voltage distribution of lead-acid storage battery plate |
| CN109238912A (en) * | 2018-09-25 | 2019-01-18 | 河南超威正效电源有限公司 | A kind of test device and test method of battery grid growth corrosion |
| CN109632559A (en) * | 2018-12-06 | 2019-04-16 | 天能电池集团有限公司 | A kind of test method of battery grid corrosion resistance |
| CN109765173A (en) * | 2019-01-16 | 2019-05-17 | 肇庆理士电源技术有限公司 | The method for rapidly testing of grid corrosion resistance |
| CN111505520A (en) * | 2020-04-22 | 2020-08-07 | 中国电力科学研究院有限公司 | Method and system for rapidly verifying corrosion behavior of lead-acid storage battery |
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Application publication date: 20140101 |