CN101587967B - Valve-regulated lead acid battery electrolyte and manufacturing method thereof - Google Patents
Valve-regulated lead acid battery electrolyte and manufacturing method thereof Download PDFInfo
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- CN101587967B CN101587967B CN2009100628217A CN200910062821A CN101587967B CN 101587967 B CN101587967 B CN 101587967B CN 2009100628217 A CN2009100628217 A CN 2009100628217A CN 200910062821 A CN200910062821 A CN 200910062821A CN 101587967 B CN101587967 B CN 101587967B
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- Y02E60/10—Energy storage using batteries
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Abstract
The invention relates to the field of valve-regulated lead acid battery, more particularly to an AGM valve-regulated lead acid battery electrolyte, which has differences of: components thereof comprising 14 parts of sulfuric acid and 0.5-3 parts of silica sol based on weight ratio, wherein, the sulfuric acid has the concentration of 30%-40%(Wt), the silica sol has the content of silicon dioxide of 10%-35%(Wt). A manufacturing method of the AGM valve-regulated lead acid battery electrolyte comprises the following steps in turn: 1, using deionized water and analytic reagent concentrated sulfuric acid to formulate sulfuric acid solution having the concentration of 30%-40%(Wt); 2, adding 0.5-3 parts of the silica sol having the content of silicon dioxide of 10%-35%(Wt) into the well-formulated sulfuric acid solution, and after premixing, introducing the sulfuric acid solution into the AGM valve-regulated lead acid battery. The AGM valve-regulated lead acid battery to which the inventive AGM valve-regulated lead acid battery electrolyte is applied has outstanding performances.
Description
Technical field
The present invention relates to valve-regulated lead-acid battery electrolyte, particularly a kind of AGM valve-regulated lead acid battery electrolyte and preparation method thereof.
Technical background
In recent years, valve-regulated lead-acid battery has developed into a kind of widely used energy storage device.Valve-regulated lead-acid battery is divided into AGM (superfine glass fibre partition board) valve-regulated lead-acid battery and GEL (colloid) valve-regulated lead-acid battery again.Characteristics such as the AGM valve-regulated lead-acid battery has that internal resistance is little, initial performance and heavy-current discharge characteristic are good; The GEL valve-regulated lead-acid battery has characteristics such as deep-circulating performance is good, and self discharge is little.
As everybody knows, the AGM valve-regulated lead-acid battery uses aqueous sulfuric acid to make electrolyte, and its big portion is present in the glass fibre separator, and dividing plate keep having an appointment 10% hole is not occupied by electrolyte simultaneously, and the oxygen of separating out for positive pole provides passage to the negative pole migration.If these holes are blocked, it is compound to negative pole migration and oxygen then can to influence the oxygen that positive pole separates out, and causes dehydration and battery end of life.And the silicon gel in the GEL valve-regulated lead-acid battery is with SiO
2The three-dimensional porous network structure that particle constitutes as skeleton, in the inside, gel the crack occurs through between the positive/negative plate simultaneously with electrolyte Bao Zhi for it, and the oxygen of separating out to positive pole provides the passage that arrives negative pole.
Summary of the invention
One of purpose of the present invention is in order to bring into play the overall merit of AGM valve-regulated lead-acid battery and GEL valve-regulated lead-acid battery, a kind of AGM valve-regulated lead acid battery electrolyte to be provided.
Two of purpose of the present invention is in order to bring into play the overall merit of AGM valve-regulated lead-acid battery and GEL valve-regulated lead-acid battery, a kind of manufacture method of AGM valve-regulated lead acid battery electrolyte to be provided.
The objective of the invention is to be achieved through the following technical solutions: a kind of AGM valve-regulated lead acid battery electrolyte, its difference is: its composition comprises sulfuric acid, Ludox, be by weight: 14 parts in sulfuric acid, 0.5～3 part of Ludox, wherein sulfuric acid concentration is 30%～40%Wt, and the dioxide-containing silica of Ludox is 10%～15%Wt.
By above scheme, also comprise 0.08～0.12 part of anhydrous sodium sulfate.
A kind of manufacture method of AGM valve-regulated lead acid battery electrolyte, its difference is: its steps in sequence is:
The first step: with deionized water and sulfuric acid solution that to analyze pure concentrated sulfuric acid compound concentration be 30%～40%Wt;
Second step: in the above-mentioned sulfuric acid solution that configures, add dioxide-containing silica and be 0.5～3 part of the Ludox of 10%～15%Wt, after premixed, inject in the AGM valve-regulated lead-acid battery.
By above scheme, further comprising the steps of in the first step of above-mentioned electrolyte manufacture method: concentration be in the sulfuric acid solution of 30%～40%Wt earlier the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step.
By above scheme, described ionized water and to analyze the pure concentrated sulfuric acid be that to come compound concentration by stirred tank be the sulfuric acid solution of 30%～40%Wt.
The present invention compared with prior art, have following characteristics: the AGM valve-regulated lead-acid battery that 1, adds electrolyte of the present invention still adopts the AGM dividing plate to keep electrolyte and the oxygen migrating channels is provided, characteristics such as keep simultaneously that internal resistance is little, initial performance and heavy-current discharge characteristic are good; 2, the silicon gel of the present invention's formation does not stop up the hole in the glass fibre separator, and battery oxygen combined efficiency (being sealed reaction efficient) satisfies standard-required (〉=95%); 3, battery recycles the life-span and significantly improves, and reduces unit interval battery use amount, has to economize on resources and the effect of environmental protection.4, this electrolyte can keep original advantage of AGM valve-regulated lead-acid battery, significantly improves the AGM valve-regulated lead-acid battery and recycles the life-span, avoids the dehydration that causes owing to the hole in the gel blocking glass fibre separator simultaneously again.
Embodiment
Embodiment 1:
Get 78 12V100Ah and do not change into the AGM valve-regulated lead-acid battery, wherein 6 electrolyte do not add Ludox (being called the A group), and other 72 add electrolyte of the present invention (being called the B group), carrying out battery then changes into, battery is measured battery capacity after making and finishing, and is qualified stand-by.The B group storage battery is divided into 12 groups by electrolyte component weight ratio difference to be tested respectively, and wherein, electrolyte does not contain storage battery 6 groups of anhydrous sodium sulfate component, and the storage battery that electrolyte contains the anhydrous sodium sulfate component also is 6 groups, and every group is 6 storage batterys.The concrete component weight ratio of B group storage battery electrolyte sees the following form:
| Component | Sulfuric acid | Ludox | Anhydrous sodium sulfate (optional) |
| The 1st group's weight ratio (concentration ratio) | 14 parts (31%) | Part 0.5 (12%) | 0.09 part |
| The 2nd group's weight ratio (concentration ratio) | 14 parts (31%) | Part 0.5 (15%) | 0.08 part |
| The 3rd group's weight ratio (concentration ratio) | 14 parts (31%) | Part 0.5 (18%) | 0.09 part |
| The 4th group's weight ratio (concentration ratio) | 14 parts (31%) | Part 0.5 (25%) | 0.10 part |
| The 5th group's weight ratio (concentration ratio) | 14 parts (31%) | Part 0.5 (30%) | 0.12 part |
| The 6th group's weight ratio (concentration ratio) | 14 parts (31%) | Part 0.5 (35%) | 0.11 part |
The manufacture method of AGM valve-regulated lead acid battery electrolyte is as follows:
The first step: in stirred tank with deionized water and analyze the pure concentrated sulfuric acid on request the ratio compound concentration be the sulfuric acid of 31%Wt;
Second step: in the mixed liquor that the above-mentioned first step prepares, add each 0.5 part of the Ludox that concentration is respectively 12%Wt, 15%Wt, 18%Wt, 25%Wt, 30%Wt, 35%Wt, after premixed, inject respectively in the AGM valve-regulated lead-acid battery.
Better embodiment can also the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step in the sulfuric acid that the above-mentioned first step configures.
A gets 1 battery, B organizes each group and respectively gets 1 battery and measure the cell sealing reaction efficiency respectively, all reaches more than 95%, shows that silica dioxide gel does not stop up pore in the superfine glass fibre partition board among the present invention, do not influence oxygen migration and compound, guarantee that the negative electrode of oxygen absorbs.
Remaining battery is done 100%DOD (depth of discharge) loop test, and test result shows that each group's 100%DOD cycle-index of B Battery pack is A Battery pack cycle-index more than 2 times.
Embodiment 2:
Get 78 12V100Ah and do not change into the AGM valve-regulated lead-acid battery, wherein 6 electrolyte do not add Ludox (being called the A group), and other 36 add electrolyte of the present invention (being called the B group), carrying out battery then changes into, battery is measured battery capacity after making and finishing, and is qualified stand-by.The B group storage battery is divided into 12 groups by electrolyte component weight ratio difference to be tested respectively, and wherein, electrolyte does not contain storage battery 6 groups of anhydrous sodium sulfate component, and the storage battery that electrolyte contains the anhydrous sodium sulfate component also is 6 groups, and every group is 6 storage batterys.The concrete component weight ratio of B group storage battery sees the following form:
| Component | Sulfuric acid | Ludox | Anhydrous sodium sulfate (optional) |
| The 1st group's weight ratio (concentration ratio) | 14 parts (31%) | 1 part (12%) | 0.09 part |
| The 2nd group's weight ratio (concentration ratio) | 14 parts (31%) | 1 part (15%) | 0.08 part |
| The 3rd group's weight ratio (concentration ratio) | 14 parts (31%) | 1 part (18%) | 0.09 part |
| The 4th group's weight ratio (concentration ratio) | 14 parts (31%) | 1 part (25%) | 0.10 part |
| The 5th group's weight ratio (concentration ratio) | 14 parts (31%) | 1 part (30%) | 0.12 part |
| The 6th group's weight ratio (concentration ratio) | 14 parts (31%) | 1 part (35%) | 0.11 part |
The manufacture method of AGM valve-regulated lead acid battery electrolyte is as follows:
The first step: in stirred tank with deionized water and analyze the pure concentrated sulfuric acid on request the ratio compound concentration be the sulfuric acid of 31%Wt.
Second step: in the mixed liquor that the above-mentioned first step prepares, add each 1 part of the Ludox that concentration is respectively 12%Wt, 15%Wt, 18%Wt, 25%Wt, 30%Wt, 35%Wt, after premixed, inject respectively in the AGM valve-regulated lead-acid battery.
Better embodiment can also the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step in the sulfuric acid that the above-mentioned first step configures.
A gets 1 battery, B organizes each group and respectively gets 1 battery and measure the cell sealing reaction efficiency respectively, all reaches more than 95%, shows that silica dioxide gel does not stop up pore in the superfine glass fibre partition board among the present invention, do not influence oxygen migration and compound, guarantee that the negative electrode of oxygen absorbs.
Remaining battery is done 100%DOD (depth of discharge) loop test, and test result shows that each group's 100%DOD cycle-index of B Battery pack is A Battery pack cycle-index more than 2 times.
Embodiment 3:
Get 78 12V100Ah and do not change into the AGM valve-regulated lead-acid battery, wherein 6 electrolyte do not add Ludox (being called the A group), and other 36 add electrolyte of the present invention (being called the B group), carrying out battery then changes into, battery is measured battery capacity after making and finishing, and is qualified stand-by.The B group storage battery is divided into 12 groups by electrolyte component weight ratio difference to be tested respectively, and wherein, electrolyte does not contain storage battery 6 groups of anhydrous sodium sulfate component, and the storage battery that electrolyte contains the anhydrous sodium sulfate component also is 6 groups, and every group is 6 storage batterys.The concrete component weight ratio of B group storage battery sees the following form:
| Component | Sulfuric acid | Ludox | Anhydrous sodium sulfate (optional) |
| The 1st group's weight ratio (concentration ratio) | 14 parts (31%) | 2 parts (12%) | 0.09 part |
| The 2nd group's weight ratio (concentration ratio) | 14 parts (31%) | 2 parts (15%) | 0.08 part |
| The 3rd group's weight ratio (concentration ratio) | 14 parts (31%) | 2 parts (18%) | 0.09 part |
| The 4th group's weight ratio (concentration ratio) | 14 parts (31%) | 2 parts (25%) | 0.10 part |
| The 5th group's weight ratio (concentration ratio) | 14 parts (31%) | 2 parts (30%) | 0.12 part |
| The 6th group's weight ratio (concentration ratio) | 14 parts (31%) | 2 parts (35%) | 0.11 part |
The manufacture method of AGM valve-regulated lead acid battery electrolyte is as follows:
The first step: in stirred tank with deionized water and analyze the pure concentrated sulfuric acid on request the ratio compound concentration be the sulfuric acid of 31%Wt.
Second step: in the mixed liquor that the above-mentioned first step prepares, add each 2 parts of the Ludox that concentration is respectively 12%Wt, 15%Wt, 18%Wt, 25%Wt, 30%Wt, 35%Wt, after premixed, inject respectively in the AGM valve-regulated lead-acid battery.
Better embodiment can also the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step in the sulfuric acid that the above-mentioned first step configures.
A gets 1 battery, B organizes each group and respectively gets 1 battery and measure the cell sealing reaction efficiency respectively, all reaches more than 95%, shows that silica dioxide gel does not stop up pore in the superfine glass fibre partition board among the present invention, do not influence oxygen migration and compound, guarantee that the negative electrode of oxygen absorbs.
Remaining battery is done 100%DOD (depth of discharge) loop test, and test result shows that each group's 100%DOD cycle-index of B Battery pack is A Battery pack cycle-index more than 2 times.
Embodiment 4:
Get 78 12V100Ah and do not change into the AGM valve-regulated lead-acid battery, wherein 6 electrolyte do not add Ludox (being called the A group), and other 36 add electrolyte of the present invention (being called the B group), carrying out battery then changes into, battery is measured battery capacity after making and finishing, and is qualified stand-by.The B group storage battery is divided into 12 groups by electrolyte component weight ratio difference to be tested respectively, and wherein, electrolyte does not contain storage battery 6 groups of anhydrous sodium sulfate component, and the storage battery that electrolyte contains the anhydrous sodium sulfate component also is 6 groups, and every group is 6 storage batterys.The concrete component weight ratio of B group storage battery sees the following form:
| Component | Sulfuric acid | Ludox | Anhydrous sodium sulfate (optional) |
| The 1st group's weight ratio (concentration ratio) | 14 parts (31%) | 3 parts (12%) | 0.09 part |
| The 2nd group's weight ratio (concentration ratio) | 14 parts (31%) | 3 parts (15%) | 0.08 part |
| The 3rd group's weight ratio (concentration ratio) | 14 parts (31%) | 3 parts (18%) | 0.09 part |
| The 4th group's weight ratio (concentration ratio) | 14 parts (31%) | 3 parts (25%) | 0.10 part |
| The 5th group's weight ratio (concentration ratio) | 14 parts (31%) | 3 parts (30%) | 0.12 part |
| The 6th group's weight ratio (concentration ratio) | 14 parts (31%) | 3 parts (35%) | 0.11 part |
The manufacture method of AGM valve-regulated lead acid battery electrolyte is as follows:
The first step: in stirred tank with deionized water and analyze the pure concentrated sulfuric acid on request the ratio compound concentration be the sulfuric acid of 31%Wt.
Second step: in the mixed liquor that the above-mentioned first step prepares, add each 3 parts of the Ludox that concentration is respectively 12%Wt, 15%Wt, 18%Wt, 25%Wt, 30%Wt, 35%Wt, after premixed, inject respectively in the AGM valve-regulated lead-acid battery.
Better embodiment can also the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step in the sulfuric acid that the above-mentioned first step configures.
A gets 1 battery, B organizes each group and respectively gets 1 battery and measure the cell sealing reaction efficiency respectively, all reaches more than 95%, shows that silica dioxide gel does not stop up pore in the superfine glass fibre partition board among the present invention, do not influence oxygen migration and compound, guarantee that the negative electrode of oxygen absorbs.
Remaining battery is done 100%DOD (depth of discharge) loop test, and test result shows that each group's 100%DOD cycle-index of B Battery pack is A Battery pack cycle-index more than 2 times.
Embodiment 5:
Get 78 12V100Ah and do not change into the AGM valve-regulated lead-acid battery, wherein 6 electrolyte do not add Ludox (being called the A group), and other 36 add electrolyte of the present invention (being called the B group), carrying out battery then changes into, battery is measured battery capacity after making and finishing, and is qualified stand-by.The B group storage battery is divided into 12 groups by electrolyte component weight ratio difference to be tested respectively, and wherein, electrolyte does not contain storage battery 6 groups of anhydrous sodium sulfate component, and the storage battery that electrolyte contains the anhydrous sodium sulfate component also is 6 groups, and every group is 6 storage batterys.The concrete component weight ratio of B group storage battery sees the following form:
| Component | Sulfuric acid | Ludox | Anhydrous sodium sulfate (optional) |
| The 1st group's weight ratio (concentration ratio) | 14 parts (35%) | Part 0.5 (12%) | 0.09 part |
| The 2nd group's weight ratio (concentration ratio) | 14 parts (35%) | Part 0.5 (15%) | 0.08 part |
| The 3rd group's weight ratio (concentration ratio) | 14 parts (35%) | Part 0.5 (18%) | 0.09 part |
| The 4th group's weight ratio (concentration ratio) | 14 parts (35%) | Part 0.5 (25%) | 0.10 part |
| The 5th group's weight ratio (concentration ratio) | 14 parts (35%) | Part 0.5 (30%) | 0.12 part |
| The 6th group's weight ratio (concentration ratio) | 14 parts (35%) | Part 0.5 (35%) | 0.11 part |
The manufacture method of AGM valve-regulated lead acid battery electrolyte is as follows:
The first step: in stirred tank with deionized water and analyze the pure concentrated sulfuric acid on request the ratio compound concentration be the sulfuric acid of 35%Wt.
Second step: in the mixed liquor that the above-mentioned first step prepares, add each 0.5 part of the Ludox that concentration is respectively 12%Wt, 15%Wt, 18%Wt, 25%Wt, 30%Wt, 35%Wt, after premixed, inject respectively in the AGM valve-regulated lead-acid battery.
Better embodiment can also the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step in the sulfuric acid that the above-mentioned first step configures.
A gets 1 battery, B organizes each group and respectively gets 1 battery and measure the cell sealing reaction efficiency respectively, all reaches more than 95%, shows that silica dioxide gel does not stop up pore in the superfine glass fibre partition board among the present invention, do not influence oxygen migration and compound, guarantee that the negative electrode of oxygen absorbs.
Remaining battery is done 100%DOD (depth of discharge) loop test, and test result shows that each group's 100%DOD cycle-index of B Battery pack is A Battery pack cycle-index more than 2 times.
Embodiment 6:
Get 78 12V100Ah and do not change into the AGM valve-regulated lead-acid battery, wherein 6 electrolyte do not add Ludox (being called the A group), and other 36 add electrolyte of the present invention (being called the B group), carrying out battery then changes into, battery is measured battery capacity after making and finishing, and is qualified stand-by.The B group storage battery is divided into 12 groups by electrolyte component weight ratio difference to be tested respectively, and wherein, electrolyte does not contain storage battery 6 groups of anhydrous sodium sulfate component, and the storage battery that electrolyte contains the anhydrous sodium sulfate component also is 6 groups, and every group is 6 storage batterys.The concrete component weight ratio of B group storage battery sees the following form:
| Component | Sulfuric acid | Ludox | Anhydrous sodium sulfate (optional) |
| The 1st group's weight ratio (concentration ratio) | 14 parts (35%) | 1 part (12%) | 0.09 part |
| The 2nd group's weight ratio (concentration ratio) | 14 parts (35%) | 1 part (15%) | 0.08 part |
| The 3rd group's weight ratio (concentration ratio) | 14 parts (35%) | 1 part (18%) | 0.09 part |
| The 4th group's weight ratio (concentration ratio) | 14 parts (35%) | 1 part (25%) | 0.10 part |
| The 5th group's weight ratio (concentration ratio) | 14 parts (35%) | 1 part (30%) | 0.12 part |
| The 6th group's weight ratio (concentration ratio) | 14 parts (35%) | 1 part (35%) | 0.11 part |
The manufacture method of AGM valve-regulated lead acid battery electrolyte is as follows:
The first step: in stirred tank with deionized water and analyze the pure concentrated sulfuric acid on request the ratio compound concentration be the sulfuric acid of 35%Wt.
Second step: in the mixed liquor that the above-mentioned first step prepares, add each 1 part of the Ludox that concentration is respectively 12%Wt, 15%Wt, 18%Wt, 25%Wt, 30%Wt, 35%Wt, after premixed, inject respectively in the AGM valve-regulated lead-acid battery.
Better embodiment can also the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step in the sulfuric acid that the above-mentioned first step configures.
A gets 1 battery, B organizes each group and respectively gets 1 battery and measure the cell sealing reaction efficiency respectively, all reaches more than 95%, shows that silica dioxide gel does not stop up pore in the superfine glass fibre partition board among the present invention, do not influence oxygen migration and compound, guarantee that the negative electrode of oxygen absorbs.
Remaining battery is done 100%DOD (depth of discharge) loop test, and test result shows that each group's 100%DOD cycle-index of B Battery pack is A Battery pack cycle-index more than 2 times.
Embodiment 7:
Get 78 12V100Ah and do not change into the AGM valve-regulated lead-acid battery, wherein 6 electrolyte do not add Ludox (being called the A group), and other 36 add electrolyte of the present invention (being called the B group), carrying out battery then changes into, battery is measured battery capacity after making and finishing, and is qualified stand-by.The B group storage battery is divided into 12 groups by electrolyte component weight ratio difference to be tested respectively, and wherein, electrolyte does not contain storage battery 6 groups of anhydrous sodium sulfate component, and the storage battery that electrolyte contains the anhydrous sodium sulfate component also is 6 groups, and every group is 6 storage batterys.The concrete component weight ratio of B group storage battery sees the following form:
| Component | Sulfuric acid | Ludox | Anhydrous sodium sulfate (optional) |
| The 1st group's weight ratio (concentration ratio) | 14 parts (35%) | 2 parts (12%) | 0.09 part |
| The 2nd group's weight ratio (concentration ratio) | 14 parts (35%) | 2 parts (15%) | 0.08 part |
| The 3rd group's weight ratio (concentration ratio) | 14 parts (35%) | 2 parts (18%) | 0.09 part |
| The 4th group's weight ratio (concentration ratio) | 14 parts (35%) | 2 parts (25%) | 0.10 part |
| The 5th group's weight ratio (concentration ratio) | 14 parts (35%) | 2 parts (30%) | 0.12 part |
| The 6th group's weight ratio (concentration ratio) | 14 parts (35%) | 2 parts (35%) | 0.11 part |
The manufacture method of AGM valve-regulated lead acid battery electrolyte is as follows:
The first step: in stirred tank with deionized water and analyze the pure concentrated sulfuric acid on request the ratio compound concentration be the sulfuric acid of 35%Wt.
Second step: in the mixed liquor that the above-mentioned first step prepares, add each 2 parts of the Ludox that concentration is respectively 12%Wt, 15%Wt, 18%Wt, 25%Wt, 30%Wt, 35%Wt, after premixed, inject respectively in the AGM valve-regulated lead-acid battery.
Better embodiment can also the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step in the sulfuric acid that the above-mentioned first step configures.
A gets 1 battery, B organizes each group and respectively gets 1 battery and measure the cell sealing reaction efficiency respectively, all reaches more than 95%, shows that silica dioxide gel does not stop up pore in the superfine glass fibre partition board among the present invention, do not influence oxygen migration and compound, guarantee that the negative electrode of oxygen absorbs.
Remaining battery is done 100%DOD (depth of discharge) loop test, and test result shows that each group's 100%DOD cycle-index of B Battery pack is A Battery pack cycle-index more than 2 times.
Embodiment 8:
Get 78 12V100Ah and do not change into the AGM valve-regulated lead-acid battery, wherein 6 electrolyte do not add Ludox (being called the A group), and other 36 add electrolyte of the present invention (being called the B group), carrying out battery then changes into, battery is measured battery capacity after making and finishing, and is qualified stand-by.The B group storage battery is divided into 12 groups by electrolyte component weight ratio difference to be tested respectively, and wherein, electrolyte does not contain storage battery 6 groups of anhydrous sodium sulfate component, and the storage battery that electrolyte contains the anhydrous sodium sulfate component also is 6 groups, and every group is 6 storage batterys.The concrete component weight ratio of B group storage battery sees the following form:
| Component | Sulfuric acid | Ludox | Anhydrous sodium sulfate (optional) |
| The 1st group's weight ratio (concentration ratio) | 14 parts (35%) | 3 parts (12%) | 0.09 part |
| The 2nd group's weight ratio (concentration ratio) | 14 parts (35%) | 3 parts (15%) | 0.08 part |
| The 3rd group's weight ratio (concentration ratio) | 14 parts (35%) | 3 parts (18%) | 0.09 part |
| The 4th group's weight ratio (concentration ratio) | 14 parts (35%) | 3 parts (25%) | 0.10 part |
| The 5th group's weight ratio (concentration ratio) | 14 parts (35%) | 3 parts (30%) | 0.12 part |
| The 6th group's weight ratio (concentration ratio) | 14 parts (35%) | 3 parts (35%) | 0.11 part |
The manufacture method of AGM valve-regulated lead acid battery electrolyte is as follows:
The first step: in stirred tank with deionized water and analyze the pure concentrated sulfuric acid on request the ratio compound concentration be the sulfuric acid of 35%Wt.
Second step: in the mixed liquor that the above-mentioned first step prepares, add each 3 parts of the Ludox that concentration is respectively 12%Wt, 15%Wt, 18%Wt, 25%Wt, 30%Wt, 35%Wt, after premixed, inject respectively in the AGM valve-regulated lead-acid battery.
Better embodiment can also the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step in the sulfuric acid that the above-mentioned first step configures.
A gets 1 battery, B organizes each group and respectively gets 1 battery and measure the cell sealing reaction efficiency respectively, all reaches more than 95%, shows that silica dioxide gel does not stop up pore in the superfine glass fibre partition board among the present invention, do not influence oxygen migration and compound, guarantee that the negative electrode of oxygen absorbs.
Remaining battery is done 100%DOD (depth of discharge) loop test, and test result shows that each group's 100%DOD cycle-index of B Battery pack is A Battery pack cycle-index more than 2 times.
Embodiment 9:
Get 78 12V100Ah and do not change into the AGM valve-regulated lead-acid battery, wherein 6 electrolyte do not add Ludox (being called the A group), and other 36 add electrolyte of the present invention (being called the B group), carrying out battery then changes into, battery is measured battery capacity after making and finishing, and is qualified stand-by.The B group storage battery is divided into 12 groups by electrolyte component weight ratio difference to be tested respectively, and wherein, electrolyte does not contain storage battery 6 groups of anhydrous sodium sulfate component, and the storage battery that electrolyte contains the anhydrous sodium sulfate component also is 6 groups, and every group is 6 storage batterys.The concrete component weight ratio of B group storage battery sees the following form:
| Component | Sulfuric acid | Ludox | Anhydrous sodium sulfate (optional) |
| The 1st group's weight ratio (concentration ratio) | 14 parts (40%) | Part 0.5 (12%) | 0.09 part |
| The 2nd group's weight ratio (concentration ratio) | 14 parts (40%) | Part 0.5 (15%) | 0.08 part |
| The 3rd group's weight ratio (concentration ratio) | 14 parts (40%) | Part 0.5 (18%) | 0.09 part |
| The 4th group's weight ratio (concentration ratio) | 14 parts (40%) | Part 0.5 (25%) | 0.10 part |
| The 5th group's weight ratio (concentration ratio) | 14 parts (40%) | Part 0.5 (30%) | 0.12 part |
| The 6th group's weight ratio (concentration ratio) | 14 parts (40%) | Part 0.5 (35%) | 0.11 part |
The manufacture method of AGM valve-regulated lead acid battery electrolyte is as follows:
The first step: in stirred tank with deionized water and analyze the pure concentrated sulfuric acid on request the ratio compound concentration be the sulfuric acid of 40%Wt.
Second step: in the mixed liquor that the above-mentioned first step prepares, add each 0.5 part of the Ludox that concentration is respectively 12%Wt, 15%Wt, 18%Wt, 25%Wt, 30%Wt, 35%Wt, after premixed, inject respectively in the AGM valve-regulated lead-acid battery.
Better embodiment can also the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step in the sulfuric acid that the above-mentioned first step configures.
A gets 1 battery, B organizes each group and respectively gets 1 battery and measure the cell sealing reaction efficiency respectively, all reaches more than 95%, shows that silica dioxide gel does not stop up pore in the superfine glass fibre partition board among the present invention, do not influence oxygen migration and compound, guarantee that the negative electrode of oxygen absorbs.
Remaining battery is done 100%DOD (depth of discharge) loop test, and test result shows that each group's 100%DOD cycle-index of B Battery pack is A Battery pack cycle-index more than 2 times.
Embodiment 10:
Get 78 12V100Ah and do not change into the AGM valve-regulated lead-acid battery, wherein 6 electrolyte do not add Ludox (being called the A group), and other 36 add electrolyte of the present invention (being called the B group), carrying out battery then changes into, battery is measured battery capacity after making and finishing, and is qualified stand-by.The B group storage battery is divided into 12 groups by electrolyte component weight ratio difference to be tested respectively, and wherein, electrolyte does not contain storage battery 6 groups of anhydrous sodium sulfate component, and the storage battery that electrolyte contains the anhydrous sodium sulfate component also is 6 groups, and every group is 6 storage batterys.The concrete component weight ratio of B group storage battery sees the following form:
| Component | Sulfuric acid | Ludox | Anhydrous sodium sulfate (optional) |
| The 1st group's weight ratio (concentration ratio) | 14 parts (40%) | 1 part (12%) | 0.09 part |
| The 2nd group's weight ratio (concentration ratio) | 14 parts (40%) | 1 part (15%) | 0.08 part |
| The 3rd group's weight ratio (concentration ratio) | 14 parts (40%) | 1 part (18%) | 0.09 part |
| The 4th group's weight ratio (concentration ratio) | 14 parts (40%) | 1 part (25%) | 0.10 part |
| The 5th group's weight ratio (concentration ratio) | 14 parts (40%) | 1 part (30%) | 0.12 part |
| The 6th group's weight ratio (concentration ratio) | 14 parts (40%) | 1 part (35%) | 0.11 part |
The manufacture method of AGM valve-regulated lead acid battery electrolyte is as follows:
The first step: in stirred tank with deionized water and analyze the pure concentrated sulfuric acid on request the ratio compound concentration be the sulfuric acid of 40%Wt.
Second step: in the mixed liquor that the above-mentioned first step prepares, add each 1 part of the Ludox that concentration is respectively 12%Wt, 15%Wt, 18%Wt, 25%Wt, 30%Wt, 35%Wt, after premixed, inject respectively in the AGM valve-regulated lead-acid battery.
Better embodiment can also the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step in the sulfuric acid that the above-mentioned first step configures.
A gets 1 battery, B organizes each group and respectively gets 1 battery and measure the cell sealing reaction efficiency respectively, all reaches more than 95%, shows that silica dioxide gel does not stop up pore in the superfine glass fibre partition board among the present invention, do not influence oxygen migration and compound, guarantee that the negative electrode of oxygen absorbs.
Remaining battery is done 100%DOD (depth of discharge) loop test, and test result shows that each group's 100%DOD cycle-index of B Battery pack is A Battery pack cycle-index more than 2 times.
Embodiment 11:
Get 78 12V100Ah and do not change into the AGM valve-regulated lead-acid battery, wherein 6 electrolyte do not add Ludox (being called the A group), and other 36 add electrolyte of the present invention (being called the B group), carrying out battery then changes into, battery is measured battery capacity after making and finishing, and is qualified stand-by.The B group storage battery is divided into 12 groups by electrolyte component weight ratio difference to be tested respectively, and wherein, electrolyte does not contain storage battery 6 groups of anhydrous sodium sulfate component, and the storage battery that electrolyte contains the anhydrous sodium sulfate component also is 6 groups, and every group is 6 storage batterys.The concrete component weight ratio of B group storage battery sees the following form:
| Component | Sulfuric acid | Ludox | Anhydrous sodium sulfate (optional) |
| The 1st group's weight ratio (concentration ratio) | 14 parts (40%) | 2 parts (12%) | 0.09 part |
| The 2nd group's weight ratio (concentration ratio) | 14 parts (40%) | 2 parts (15%) | 0.08 part |
| The 3rd group's weight ratio (concentration ratio) | 14 parts (40%) | 2 parts (18%) | 0.09 part |
| The 4th group's weight ratio (concentration ratio) | 14 parts (40%) | 2 parts (25%) | 0.10 part |
| The 5th group's weight ratio (concentration ratio) | 14 parts (40%) | 2 parts (30%) | 0.12 part |
| The 6th group's weight ratio (concentration ratio) | 14 parts (40%) | 2 parts (35%) | 0.11 part |
The manufacture method of AGM valve-regulated lead acid battery electrolyte is as follows:
The first step: in stirred tank with deionized water and analyze the pure concentrated sulfuric acid on request the ratio compound concentration be the sulfuric acid of 40%Wt.
Second step: in the mixed liquor that the above-mentioned first step prepares, add each 2 parts of the Ludox that concentration is respectively 12%Wt, 15%Wt, 18%Wt, 25%Wt, 30%Wt, 35%Wt, after premixed, inject respectively in the AGM valve-regulated lead-acid battery.
Better embodiment can also the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step in the sulfuric acid that the above-mentioned first step configures.
A gets 1 battery, B organizes each group and respectively gets 1 battery and measure the cell sealing reaction efficiency respectively, all reaches more than 95%, shows that silica dioxide gel does not stop up pore in the superfine glass fibre partition board among the present invention, do not influence oxygen migration and compound, guarantee that the negative electrode of oxygen absorbs.
Remaining battery is done 100%DOD (depth of discharge) loop test, and test result shows that each group's 100%DOD cycle-index of B Battery pack is A Battery pack cycle-index more than 2 times.
Embodiment 12:
Get 78 12V100Ah and do not change into the AGM valve-regulated lead-acid battery, wherein 6 electrolyte do not add Ludox (being called the A group), and other 36 add electrolyte of the present invention (being called the B group), carrying out battery then changes into, battery is measured battery capacity after making and finishing, and is qualified stand-by.The B group storage battery is divided into 12 groups by electrolyte component weight ratio difference to be tested respectively, and wherein, electrolyte does not contain storage battery 6 groups of anhydrous sodium sulfate component, and the storage battery that electrolyte contains the anhydrous sodium sulfate component also is 6 groups, and every group is 6 storage batterys.The concrete component weight ratio of B group storage battery sees the following form:
| Component | Sulfuric acid | Ludox | Anhydrous sodium sulfate (optional) |
| The 1st group's weight ratio (concentration ratio) | 14 parts (40%) | 3 parts (12%) | 0.09 part |
| The 2nd group's weight ratio (concentration ratio) | 14 parts (40%) | 3 parts (15%) | 0.08 part |
| The 3rd group's weight ratio (concentration ratio) | 14 parts (40%) | 3 parts (18%) | 0.09 part |
| The 4th group's weight ratio (concentration ratio) | 14 parts (40%) | 3 parts (25%) | 0.10 part |
| The 5th group's weight ratio (concentration ratio) | 14 parts (40%) | 3 parts (30%) | 0.12 part |
| The 6th group's weight ratio (concentration ratio) | 14 parts (40%) | 3 parts (35%) | 0.11 part |
The manufacture method of AGM valve-regulated lead acid battery electrolyte is as follows:
The first step: in stirred tank with deionized water and analyze the pure concentrated sulfuric acid on request the ratio compound concentration be the sulfuric acid of 40%Wt.
Second step: in the mixed liquor that the above-mentioned first step prepares, add each 3 parts of the Ludox that concentration is respectively 12%Wt, 15%Wt, 18%Wt, 25%Wt, 30%Wt, 35%Wt, after premixed, inject respectively in the AGM valve-regulated lead-acid battery.
Better embodiment can also the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step in the sulfuric acid that the above-mentioned first step configures.
A gets 1 battery, B organizes each group and respectively gets 1 battery and measure the cell sealing reaction efficiency respectively, all reaches more than 95%, shows that silica dioxide gel does not stop up pore in the superfine glass fibre partition board among the present invention, do not influence oxygen migration and compound, guarantee that the negative electrode of oxygen absorbs.
Remaining battery is done 100%DOD (depth of discharge) loop test, and test result shows that each group's 100%DOD cycle-index of B Battery pack is A Battery pack cycle-index more than 2 times.
Every foundation technological essence of the present invention all still belongs in protection scope of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1. AGM valve-regulated lead acid battery electrolyte, it is characterized in that: its composition comprises sulfuric acid, Ludox, is by weight: 14 parts in sulfuric acid, 0.5～3 part of Ludox, wherein sulfuric acid concentration is 30%～40%Wt, and the dioxide-containing silica of Ludox is 10%～15%Wt.
2. AGM valve-regulated lead acid battery electrolyte as claimed in claim 1 is characterized in that: also comprise 0.08～0.12 part of anhydrous sodium sulfate.
3. the manufacture method of an AGM valve-regulated lead acid battery electrolyte as claimed in claim 1, it is characterized in that: its steps in sequence is:
The first step: with deionized water and sulfuric acid solution that to analyze pure concentrated sulfuric acid compound concentration be 30%～40%Wt;
Second step: in the above-mentioned sulfuric acid solution that configures, add dioxide-containing silica and be 0.5～3 part of the Ludox of 10%～15%Wt, after premixed, inject in the AGM valve-regulated lead-acid battery.
4. the manufacture method of AGM valve-regulated lead acid battery electrolyte as claimed in claim 3, it is characterized in that: further comprising the steps of in the first step of above-mentioned electrolyte manufacture method: concentration be in the sulfuric acid solution of 30%～40%Wt earlier the weight ratio by 14 parts of sulfuric acid solutions, 0.08～0.12 part of anhydrous sodium sulfate add anhydrous sodium sulfate, and then carry out the step in above-mentioned second step.
5. as the manufacture method of the AGM valve-regulated lead acid battery electrolyte of claim 3 or 4, it is characterized in that: described ionized water and to analyze the pure concentrated sulfuric acid be that to come compound concentration by stirred tank be the sulfuric acid solution of 30%～40%Wt.
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| CN2009100628217A CN101587967B (en) | 2009-06-23 | 2009-06-23 | Valve-regulated lead acid battery electrolyte and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100628217A CN101587967B (en) | 2009-06-23 | 2009-06-23 | Valve-regulated lead acid battery electrolyte and manufacturing method thereof |
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| CN102290609A (en) * | 2011-07-22 | 2011-12-21 | 浙江天能电池(江苏)有限公司 | Electrolyte for energy-storing lead-acid storage batteries and preparation method thereof |
| CN102569903A (en) * | 2012-03-08 | 2012-07-11 | 山东圣阳电源科技有限公司 | Formulation of power battery electrolyte and preparation method thereof |
| CN104091969A (en) * | 2014-07-14 | 2014-10-08 | 浙江南都电源动力股份有限公司 | Valve-controlled sealing lead-acid storage battery for starting and stopping of automobiles |
| CN106532139A (en) * | 2016-12-29 | 2017-03-22 | 安徽力普拉斯电源技术有限公司 | Lead-acid storage battery and silica gel for filling in lead-acid storage battery |
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