CN101908650B - Gel electrolyte of power lead-acid storage battery - Google Patents
Gel electrolyte of power lead-acid storage battery Download PDFInfo
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- CN101908650B CN101908650B CN2010102467833A CN201010246783A CN101908650B CN 101908650 B CN101908650 B CN 101908650B CN 2010102467833 A CN2010102467833 A CN 2010102467833A CN 201010246783 A CN201010246783 A CN 201010246783A CN 101908650 B CN101908650 B CN 101908650B
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- storage battery
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- power lead
- acid storage
- gel electrolyte
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a gel electrolyte of a power lead-acid storage battery, which comprises the following raw materials in percentage by weight: 40-46 percent of H2SO4, 0.2-0.5 percent of SiO2, 0.1-0.5 percent of SnSO4, 0.8-1.2 percent of Na2SO4, 0.01-0.15 percent of PEG (Polyethylene Glycol), 0.01-0.5 percent of PAM (Polyacrylamide) and 47-57 percent of deionized water. The invention also discloses a method for preparing the gel electrolyte of a lead-acid storage battery. The invention has lower silicon dioxide content compared with the traditional electrolyte and no larger change on gelatinous performance and thixotropy, the ohmic resistance of the storage battery prepared by the invention is about 50 percent lower than that of the storage battery made of the traditional electrolyte, and the charging performance is improved by 15 percent or so.
Description
Technical field
The present invention relates to the Lead-acid Battery Technology field, relate in particular to a kind of colloidal electrolyte that is applicable to power lead-acid storage battery.
Background technology
The chief component of power lead-acid storage battery is: positive and negative pole plate, glass fibre separator, cell jar, battery cap, electrolyte (dilute sulfuric acid), leading-out terminal, safety valve etc.Wherein the effect of electrolyte is to remain the ion transduction between positive/negative plate and participate in electrochemical reaction, the battery liquid of prior art is easily sulfuric acid concentration layering in use, poor polarization is enlarged, thereby polarization impedance, reduced the utilance of active material, cause battery capacity to reduce, cycle life shortens.And the electrolyte serviceability temperature narrow range of the storage battery of prior art, thermal runaway easily occurs when using under hot conditions and cause battery-heating to expand, end-of-life, and when under cryogenic conditions, using, because the conductivity of electrolyte reduces, and capacity is significantly descended.
Chinese patent 200510060856.9 discloses a kind of colloidal electrolyte of lead acid accumulator, and its component is by nanometer grade silica (SiO
2), sodium cellulose glycolate salt (CMC), stannous sulfate (SnSO
4), sulfuric acid (H
2SO
4) and the water composition.Each component proportion is as follows: nanometer grade silica (SiO
2) 0.5～5%, sodium cellulose glycolate salt (CMC) 0.01～0.3%, stannous sulfate (SnSO
4) 0.05～0.6%, sulfuric acid (H
2SO
4) 35～45%, water 49.1～64.74%.The advantage of this invention is to improve colloidal electrolyte, improves charge acceptance, improves battery capacity.
Summary of the invention
The invention provides the high performance colloidal electrolyte of a kind of power lead-acid storage battery that improves battery capacity, increases the service life,
A kind of gel electrolyte of power lead-acid storage battery, raw material weight percentage consists of:
H
2SO
4 40～46％
SiO
2 0.2～0.5％
SnSO
4 0.1～0.5％
Na
2SO
4 0.8～1.2％
Polyethylene glycol 0.01～0.15%
Polyacrylamide 0.01～0.5%
Deionized water 47～57%.
Preferred raw material weight percentage is:
H
2SO
4 41.9％
SiO
2 0.5％
SnSO
4 0.25％
Na
2SO
4 0.8％
Polyethylene glycol 0.03%
Polyacrylamide 0.12%
Deionized water 56.3%.
Another preferred raw material weight percentage is:
H
2SO
4 44.35％
SiO
2 0.2％
SnSO
4 0.15％
Na
2SO
4 1.2％
Polyethylene glycol 0.1%
Polyacrylamide 0.3%
Deionized water 53.7%.
Preferably, the SiO of this gel electrolyte of power lead-acid storage battery
2Be gas phase SiO
2, the good dispersion of this material, gelation and thixotropy exceed 10～15% than common.
Preferably, the polyethylene glycol of this gel electrolyte of power lead-acid storage battery (PEG) molecular weight is less than 1,500,000.This material thickening property and dispersed high.
Preferably, the molecular weight of the polyacrylamide of this gel electrolyte of power lead-acid storage battery (PAM) is less than 1,500,000, nonionic.This material is strong to the inhibition ability of glue segregation phenomenon, and good dispersion.
The invention also discloses the preparation method of above-mentioned gel electrolyte of power lead-acid storage battery, may further comprise the steps:
(1) polyethylene glycol and polyacrylamide are dissolved with suitable quantity of water, add deionized water after leaving standstill 30～100min, be warming up to 40～70 ℃, stir 10～20min with the 1000-1200r/min rotating speed, be cooled to room temperature, obtain solution A;
(2) solution A and deionized water are mixed, with linear speed shear agitation 3～10min of 4000～6000r/min rotating speed and 15～30m/s, then add while stirring SiO
2, 10～30min was stirred in continuation after interpolation was finished, and obtained solution B;
(3) rotating speed with 100～1000r/min stirs solution B, adds successively sulfuric acid, SnSO in the whipping process
4And Na
2SO
4, 30～90min was stirred in continuation after interpolation was finished, and namely made electrolyte.
The more existing electrolyte of dioxide-containing silica is lower in the electrolyte of the present invention, and the not larger change of its gelation and thixotropy, so that the storage battery that the storage battery ohmage of being made by the present invention is made than existing electrolyte is low by about 50%, and discharge performance has improved about 15%.
Embodiment
Embodiment 1
(1) polyethylene glycol and the 12g polyacrylamide with 3g dissolves with suitable quantity of water, adds deionized water after leaving standstill 30min, is warming up to 40 ℃, stirs 20min with the 1000r/min rotating speed, is cooled to room temperature, obtains solution A, and used deionized water is 2.82kg altogether.
(2) 2.835kg solution A and 2.82kg deionized water are mixed, with the linear speed shear agitation 10min of 4000r/min rotating speed and 15m/s, then add while stirring the gas phase SiO of 50g
2, 30min was stirred in continuation after interpolation was finished, and obtained solution B;
(3) rotating speed with 100r/min stirs solution B, adds successively the sulfuric acid of 4.19kg, the SnSO of 25g in the whipping process
4Na with 80g
2SO
4, 90min was stirred in continuation after interpolation was finished, and namely was worth electrolyte.
To storage battery (6-DZM-20), detecting this accumulator internal resistance is 12m Ω with above-mentioned electrolyte filling, and first two hour rate capacity discharge is 136min, circulate 50 times, capacity discharge 128min circulates 100 times, capacity discharge 122min circulates 200 times, capacity discharge 114min.
Embodiment 2
(1) 10 polyethylene glycol and 30g polyacrylamide are dissolved with suitable quantity of water, add deionized water after leaving standstill 100min, be warming up to 70 ℃, stir 10min with the 1200r/min rotating speed, be cooled to room temperature, obtain solution A, used deionized water is 2.685kg altogether;
(2) 2.725kg solution A and 2.685kg deionized water are mixed, with the linear speed shear agitation 3min of 6000r/min rotating speed and 30m/s, then add while stirring the gas phase SiO of 20g
2, 10min was stirred in continuation after interpolation was finished, and obtained solution B;
(3) rotating speed with 600r/min stirs solution B, adds successively the sulfuric acid of 4.4.35kg, the SnSO of 15g in the whipping process
4Na with 120g
2SO
4, 90min was stirred in continuation after interpolation was finished, and namely was worth electrolyte.
To storage battery (6-DZM-20), detecting this accumulator internal resistance is 10m Ω with above-mentioned electrolyte filling, and first two hour rate capacity discharge is 135min, circulate 50 times, capacity discharge 130min circulates 100 times, capacity discharge 125min circulates 200 times, capacity discharge 115min.
Embodiment 3
(1) polyethylene glycol and the 20g polyacrylamide with 10g dissolves with suitable quantity of water, adds deionized water after leaving standstill 30min, is warming up to 60 ℃, stirs 20min with the 1000r/min rotating speed, is cooled to room temperature, obtains solution A, and used deionized water is 2.63kg altogether.
(2) 2.66kg solution A and 2.63kg deionized water are mixed, with the linear speed shear agitation 20min of 5000r/min rotating speed and 20m/s, then add while stirring the gas phase SiO of 40g
2, 20min was stirred in continuation after interpolation was finished, and obtained solution B;
(3) rotating speed with 1000r/min stirs solution B, adds successively the sulfuric acid of 4.5kg, the SnSO of 50g in the whipping process
4Na with 120g
2SO
4, 70min was stirred in continuation after interpolation was finished, and namely was worth electrolyte.
To storage battery (6-DZM-20), detecting this accumulator internal resistance is 11m Ω with above-mentioned electrolyte filling, and first two hour rate capacity discharge is 130min, circulate 50 times, capacity discharge 120min circulates 100 times, capacity discharge 115min circulates 200 times, capacity discharge 110min.
And with 200510060856.9 embodiment, 1 disclosed electrolyte filling to 6-DZM-20, detect this accumulator internal resistance 19m Ω, first two hour rate capacity discharge is 137min, circulate 50 times, capacity discharge 116min circulates 100 times, capacity discharge 102min, circulate capacity discharge 86min 200 times.
Claims (3)
1. gel electrolyte of power lead-acid storage battery, it is characterized in that: raw material weight percentage consists of:
The percentage by weight sum of all raw materials equals 100%;
Described SiO
2Be gas phase SiO
2Described molecular weight polyethylene glycol is less than 1,500,000; The molecular weight of described polyacrylamide is less than 1,500,000;
Described gel electrolyte of power lead-acid storage battery prepares by the following method:
(1) polyethylene glycol and polyacrylamide are dissolved with suitable quantity of water, add deionized water after leaving standstill 30 ~ 100min, be warming up to 40 ~ 70 ℃, stir 10 ~ 20min with the 1000-1200r/min rotating speed, be cooled to room temperature, obtain solution A;
(2) solution A and deionized water are mixed, with linear speed shear agitation 3 ~ 10min of 4000 ~ 6000r/min rotating speed and 15 ~ 30m/s, then add while stirring SiO
2, 10 ~ 30min was stirred in continuation after interpolation was finished, and obtained solution B;
(3) rotating speed with 100 ~ 1000r/min stirs solution B, adds successively sulfuric acid, SnSO in the whipping process
4And Na
2SO
4, 30 ~ 90min was stirred in continuation after interpolation was finished, and namely made electrolyte.
2. gel electrolyte of power lead-acid storage battery according to claim 1 is characterized in that, raw material weight percentage is:
3. gel electrolyte of power lead-acid storage battery according to claim 1 is characterized in that, raw material weight percentage is:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102467833A CN101908650B (en) | 2010-08-06 | 2010-08-06 | Gel electrolyte of power lead-acid storage battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102467833A CN101908650B (en) | 2010-08-06 | 2010-08-06 | Gel electrolyte of power lead-acid storage battery |
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|---|---|
| CN101908650A CN101908650A (en) | 2010-12-08 |
| CN101908650B true CN101908650B (en) | 2013-03-13 |
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|---|---|---|---|
| CN2010102467833A Active CN101908650B (en) | 2010-08-06 | 2010-08-06 | Gel electrolyte of power lead-acid storage battery |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199308A (en) * | 2013-03-25 | 2013-07-10 | 超威电源有限公司 | Gel feeding process of AGM (Glass Fiber Separator) storage battery |
| CN103219547B (en) * | 2013-04-23 | 2015-05-20 | 河南省中正电源股份有限公司 | Novel electrolyte for storage battery |
| CN103456999A (en) * | 2013-09-13 | 2013-12-18 | 仇金生 | Electrolyte solution for manufacturing microcrystal storage battery and preparation method of electrolyte solution |
| CN104091968A (en) * | 2014-07-31 | 2014-10-08 | 浙江天能电池江苏新能源有限公司 | Gel electrolyte capable of prolonging service life of lead-acid battery |
| CN104218262B (en) * | 2014-09-12 | 2016-07-06 | 浙江宝仕电源有限公司 | A kind of high-activity nano silicon dispersion colloid and the application on lead-acid accumulator thereof |
| CN104485484B (en) * | 2014-11-28 | 2017-06-16 | 浙江长兴铁鹰电气有限公司 | A kind of nano silicon oxide base rubber build electrolyte and colloid type battery |
| CN105680101A (en) * | 2015-12-31 | 2016-06-15 | 天能电池集团有限公司 | Gel electrolyte for lead-acid storage battery and preparation method of gel electrolyte |
| CN106025381B (en) * | 2016-08-03 | 2019-06-04 | 湖北双登润阳新能源有限公司 | Lead carbon colloid battery colloidal electrolyte formula and preparation method thereof |
| CN108336422B (en) * | 2018-03-15 | 2020-03-31 | 天能电池集团股份有限公司 | Low-temperature-resistant storage battery electrolyte and preparation method thereof |
| CN113555611B (en) * | 2021-06-30 | 2022-11-01 | 河南超威电源有限公司 | Nano-colloid electrolyte for lead-acid battery and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384558A (en) * | 2002-06-05 | 2002-12-11 | 郑洁洪 | Silicon-free colloidal electrolyte |
| CN1750312A (en) * | 2005-09-23 | 2006-03-22 | 周明明 | Colloidal electrolyte of lead acid accumulator |
| CN101136491A (en) * | 2006-11-28 | 2008-03-05 | 创新能源技术（深圳）有限公司 | Colloidal electrolyte formula and its confecting technique for lead acid accumulator |
| CN101286570A (en) * | 2008-05-21 | 2008-10-15 | 蒲生波 | Colloid accumulator and process for manufacturing the same |
| CN101499536A (en) * | 2008-12-05 | 2009-08-05 | 晋江华威电源有限公司 | Auxiliary additive for gelled-electrolyte |
-
2010
- 2010-08-06 CN CN2010102467833A patent/CN101908650B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384558A (en) * | 2002-06-05 | 2002-12-11 | 郑洁洪 | Silicon-free colloidal electrolyte |
| CN1750312A (en) * | 2005-09-23 | 2006-03-22 | 周明明 | Colloidal electrolyte of lead acid accumulator |
| CN101136491A (en) * | 2006-11-28 | 2008-03-05 | 创新能源技术（深圳）有限公司 | Colloidal electrolyte formula and its confecting technique for lead acid accumulator |
| CN101286570A (en) * | 2008-05-21 | 2008-10-15 | 蒲生波 | Colloid accumulator and process for manufacturing the same |
| CN101499536A (en) * | 2008-12-05 | 2009-08-05 | 晋江华威电源有限公司 | Auxiliary additive for gelled-electrolyte |
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| CN101908650A (en) | 2010-12-08 |
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Address after: 313117 Meishan Industrial Zone, Changxing County, Huzhou City, Zhejiang Province Patentee after: Tianneng Battery Group Co., Ltd. Address before: 313117 Meishan Industrial Zone, Changxing County, Huzhou City, Zhejiang Province Patentee before: Tianneng Battery Group Co., Ltd. |
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