CN101504987A - Nano silica gel body electrolyte of high capacity lead acid cell for electric automobile - Google Patents
Nano silica gel body electrolyte of high capacity lead acid cell for electric automobile Download PDFInfo
- Publication number
- CN101504987A CN101504987A CNA200910010619XA CN200910010619A CN101504987A CN 101504987 A CN101504987 A CN 101504987A CN A200910010619X A CNA200910010619X A CN A200910010619XA CN 200910010619 A CN200910010619 A CN 200910010619A CN 101504987 A CN101504987 A CN 101504987A
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- Prior art keywords
- colloid
- silica gel
- electrolyte
- polyacrylamide
- nanometer silicon
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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 invention discloses a process for producing a nanometer silicon colloidal electrolyte product of a high-capacity colloidal airproof maintenance-free lead-acid battery for an electric automobile; and the process is characterized by comprising the following compositions: nanometer silicon dioxide, analytic pure sulphuric acid, polyacrylamide, sodium silicate, sodium sulfate, absolute ethyl alcohol and high-purity water. The introduction of an organic substance and a catalyst improves the speed for ion transfer to form a nanometer silicon colloidal electrolyte with high performance; silicon-oxygen bonds of nanometer silicon dioxide form a frame; the small molecular effect of the frame forms a dimensional or multidimensional ion transfer passage to achieve the effects of reducing internal resistance and improving the capacity. After the sodium silicate used in the process is processed by the special process, the particle diameter of the silicon dioxide is controlled to be between 1 and 100 nanometers; the gelatinizing time of colloid can be controlled manually according to requirement so as to avoid the disadvantage that the perfusion is difficult to exert the property of the colloid after the gelatinization; and the inclusiveness of the colloid solves the problem that the delamination of the electrolyte influences the service life of a storage cell, and strengthens the performances of temperature change resistance and deep discharge resistance, thereby prolonging the cycle life of the storage cell.
Description
Technical field
The present invention relates to be used for the high power capacity colloid sealed lead-acid accumulator free from maintenance of electric automobile, be particularly useful for assembling the colloidal electrolyte production technology of a kind of used for electric vehicle sealed lead-acid accumulator free from maintenance of tubular plate, AGM dividing plate.
Background technology
In recent years, the sealed lead-acid accumulator free from maintenance technical development is rapid, and it is widely used in emergency power supply, UPS, solar energy storage battery, wind power generation energy-storage battery, mine lamp, electric tool, Moped Scooter, electric automobile etc.Especially electric automobile series of products, want that cube is little, capacity is big, the charging interval is short, discharge time is long, dark circulation depth of discharge required at 80% o'clock, the discharge cycles number of times reaches 〉=and 400 times, people's problems such as custom, charging modes, motor operating efficiency of driving in addition, the accumulators industry is had higher requirement, and the generation of high power capacity sealed lead-acid (colloid) battery technology becomes a reality the realization of above target.
But existing sealing maintenance-free lead acid (colloid) battery technology, no matter be to adopt sodium metasilicate or aerosil to do raw material (sulfuric acid solidifier), have all that internal resistance is big, capacity is low, discharge performance decline, thermal runaway, the distortion of battery charge bulging, blast, cycle life has only about 300 times (standard 〉=400 time) to wait deficiency.This colloidal electrolyte can not satisfy the requirement of accumulator of electric car, more is not suitable for using on the storage battery of tubular plate, the assembling of AGM dividing plate.
Summary of the invention
The objective of the invention is to have above-mentioned deficiency at existing colloidal electrolyte, a kind of novel nano colloidal silica electrolyte of used for electric vehicle high power capacity colloid sealed lead-acid accumulator free from maintenance is provided, be fit to use tubular plate and be coated with cream pole plate, AGM dividing plate assembling high power capacity sealing maintenance-free lead acid (colloid) storage battery, internal resistance is little, discharge performance improves, battery capacity is big, have extended cycle life.
Nano silica gel body electrolyte provided by the invention is characterized in that component is as follows:
Nano silicon, analytical pure sulfuric acid, polyacrylamide, sodium metasilicate, sodium sulphate, absolute ethyl alcohol and high purity water.
The weight percent of said components is as follows:
Nano silicon 0.01～5%
Analytical pure sulfuric acid (H
2SO
4) 30～55%
Polyacrylamide (C
3H
5NO) 0.5～5%
Sodium metasilicate (Na
2SiO
3) 0.02～25%
Sodium sulphate (Na
2SO
4) 0.01～12%
Absolute ethyl alcohol (CH
3CH
2OH) 0.01～5%
High purity water (H
2O) 33～69%.
Production method:
1, above-mentioned sulfuric acid is added high purity water dilution add catalyst (sodium sulphate) transfer mix stand-by;
2, above-mentioned sodium metasilicate is added high purity water dilution add catalyst (polyacrylamide, absolute ethyl alcohol) transfer mix stand-by;
3, above-mentioned two kinds of liquid equal-volumes are mixed the nano silica gel body electrolyte that can obtain a kind of high performance used for electric vehicle high power capacity sealing maintenance-free lead acid (colloid) storage battery.
Advantage of the present invention: be fit to use tubular plate and be coated with cream pole plate, AGM dividing plate assembling high power capacity sealing maintenance-free lead acid (colloid) storage battery, internal resistance is little, discharge performance improves, battery capacity is big, have extended cycle life.Use the performance index of the 6-DGJ-120 type storage battery of nano silica gel body electrolyte perfusion of the present invention, cycle-index is in (QC/T742--2006 used for electric vehicle lead acid accumulator standard 〉=400 times) more than 1000 times under 25 ℃ of normal operating positions.
Embodiment
Embodiment one
Nano silicon (SIO
2) 0.25%
Analytical pure sulfuric acid (H
2SO
4) 30.6%
Polyacrylamide (C
3H
5NO) 3.6%
Sodium metasilicate (Na
2SiO
3) 19%
Sodium sulphate (Na
2SO
4) 0.05%
Absolute ethyl alcohol (CH
3CH
2OH) 1.3%
High purity water (H
2O) 45.2%.
Production method:
1, above-mentioned sulfuric acid is added 18% high purity water dilution add catalyst (sodium sulphate) transfer mix stand-by;
2, above-mentioned sodium metasilicate is added 27.2% high purity water dilution add catalyst (polyacrylamide, absolute ethyl alcohol) transfer mix stand-by;
3, above-mentioned two kinds of liquid equal-volumes are mixed the nano silica gel body electrolyte that can obtain a kind of high performance used for electric vehicle high power capacity sealing maintenance-free lead acid (colloid) storage battery.
Embodiment two
Nano silicon (SIO
2) 0.7%
Analytical pure sulfuric acid (H
2SO
4) 36.8%
Polyacrylamide (C
3H
5NO) 1.1%
Sodium metasilicate (Na
2SiO
3) 10.2%
Sodium sulphate (Na
2SO
4) 5%
Absolute ethyl alcohol (CH
3CH
2OH) 3.5%
High purity water (H
2O) 42.7%
Production method is with embodiment 1.
Embodiment three
Nano silicon (SIO
2) 1.5%
Analytical pure sulfuric acid (H
2SO
4) 41.9%
Polyacrylamide (C
3H
5NO) 0.5%
Sodium metasilicate (Na
2SiO
3) 3.0%
Sodium sulphate (Na
2SO
4) 1.9%
Absolute ethyl alcohol (CH
3CH
2OH) 0.6%
High purity water (H
2O) 50.6%
Production method is with embodiment 1.
Embodiment four
Nano silicon (SIO
2) 5%
Analytical pure sulfuric acid (H
2SO
4) 34.2%
Polyacrylamide (C
3H
5NO) 0.6%
Sodium metasilicate (Na
2SiO
3) 0.8%
Sodium sulphate (Na
2SO
4) 3.3%
Absolute ethyl alcohol (CH
3CH
2OH) 0.68%
High purity water (H
2O) 55.42%
Production method is with embodiment 1.
Embodiment five
Nano silicon (SIO
2) 4.5%
Analytical pure sulfuric acid (H
2SO
4) 46.62%
Polyacrylamide (C
3H
5NO) 1%
Sodium metasilicate (Na
2SiO
3) 0.06%
Sodium sulphate (Na
2SO
4) 1.39%
Absolute ethyl alcohol (CH
3CH
2OH) 1.03%
High purity water (H
2O) 45.4%
Production method is with embodiment 1.
Embodiment six
Nano silicon (SIO
2) 3%
Analytical pure sulfuric acid (H
2SO
4) 39%
Polyacrylamide (C
3H
5NO) 2.2%
Sodium metasilicate (Na
2SiO
3) 1.6%
Sodium sulphate (Na
2SO
4) 0.27%
Absolute ethyl alcohol (CH
3CH
2OH) 1.53%
High purity water (H
2O) 52.4%
Production method is with embodiment 1.
Embodiment seven
Nano silicon (SIO
2) 2%
Analytical pure sulfuric acid (H
2SO
4) 36%
Polyacrylamide (C
3H
5NO) 1.3%
Sodium metasilicate (Na
2SiO
3) 6.7%
Sodium sulphate (Na
2SO
4) 8.1%
Absolute ethyl alcohol (CH
3CH
2OH) 3.5%
High purity water (H
2O) 42.4%
Production method is with embodiment 1.
Embodiment eight
Nano silicon (SIO
2) 2.8%
Analytical pure sulfuric acid (H
2SO
4) 40.2%
Polyacrylamide (C
3H
5NO) 2.9%
Sodium metasilicate (Na
2SiO
3) 11.5%
Sodium sulphate (Na
2SO
4) 0.3%
Absolute ethyl alcohol (CH
3CH
2OH) 0.8%
High purity water (H
2O) 41.5%
Production method is with embodiment 1.
Claims (2)
1, a kind of nano silica gel body electrolyte of used for electric vehicle lead acid accumulator is characterized in that component is as follows:
Nano silicon, analytical pure sulfuric acid, polyacrylamide, sodium metasilicate, sodium sulphate, absolute ethyl alcohol and high purity water.
2, the nano silica gel body electrolyte of used for electric vehicle lead acid accumulator according to claim 1 is characterized in that the weight percent of component is as follows:
Nano silicon 0.01～5%
Analytical pure sulfuric acid 30～55%
Polyacrylamide 0.5～5%
Sodium metasilicate 0.02～25%
Sodium sulphate 0.01～12%
Absolute ethyl alcohol 0.01～5%
High purity water 33～69%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910010619XA CN101504987A (en) | 2009-03-10 | 2009-03-10 | Nano silica gel body electrolyte of high capacity lead acid cell for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910010619XA CN101504987A (en) | 2009-03-10 | 2009-03-10 | Nano silica gel body electrolyte of high capacity lead acid cell for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101504987A true CN101504987A (en) | 2009-08-12 |
Family
ID=40977147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200910010619XA Pending CN101504987A (en) | 2009-03-10 | 2009-03-10 | Nano silica gel body electrolyte of high capacity lead acid cell for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101504987A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800896A (en) * | 2012-08-03 | 2012-11-28 | 上海锦众信息科技有限公司 | Preparation method for lead acid battery electrolyte |
| CN102832414A (en) * | 2011-06-13 | 2012-12-19 | 山东瑞宇蓄电池有限公司 | Mixing apparatus for colloidal electrolyte, colloidal electrolyte and preparation method thereof |
-
2009
- 2009-03-10 CN CNA200910010619XA patent/CN101504987A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832414A (en) * | 2011-06-13 | 2012-12-19 | 山东瑞宇蓄电池有限公司 | Mixing apparatus for colloidal electrolyte, colloidal electrolyte and preparation method thereof |
| CN102832414B (en) * | 2011-06-13 | 2015-07-29 | 山东瑞宇蓄电池有限公司 | Colloidal electrolyte mixing arrangement, colloidal electrolyte and preparation method thereof |
| CN102800896A (en) * | 2012-08-03 | 2012-11-28 | 上海锦众信息科技有限公司 | Preparation method for lead acid battery electrolyte |
| CN102800896B (en) * | 2012-08-03 | 2016-08-31 | 上海锦众信息科技有限公司 | A kind of preparation method of lead-acid battery electrolyte |
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Open date: 20090812 |