CN114335453A - Lead-acid storage battery positive electrode lead paste and preparation method thereof - Google Patents
Lead-acid storage battery positive electrode lead paste and preparation method thereof Download PDFInfo
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- CN114335453A CN114335453A CN202111387607.6A CN202111387607A CN114335453A CN 114335453 A CN114335453 A CN 114335453A CN 202111387607 A CN202111387607 A CN 202111387607A CN 114335453 A CN114335453 A CN 114335453A
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Abstract
The positive lead plaster of the lead-acid storage battery comprises the following components in percentage by weight: 70 to 90 percent of lead powder, 0.01 to 0.15 percent of short fiber, 0.5 to 5 percent of tetrabasic lead sulfate, 0.05 to 0.5 percent of stannous sulfate, 0.05 to 0.5 percent of colloidal graphite, 0.01 to 0.5 percent of graphene slurry, 5 to 15 percent of deionized water, 2 to 10 percent of dilute sulfuric acid and 0.01 to 1 percent of polytetrafluoroethylene. According to the invention, a proper amount of additive is added in the preparation process of the positive lead plaster, the preparation process of the positive lead plaster is improved, auxiliary materials are pre-configured, and the higher plaster mixing temperature and the apparent density of the lead plaster are controlled; the invention makes the lead-acid battery have excellent low-voltage quick charging performance and cycle life.
Description
Technical Field
The invention belongs to the technical field of lead-acid storage batteries, and particularly relates to positive lead plaster of a lead-acid storage battery and a preparation method thereof.
Background
The flooded battery for golf cart is a high-performance lead-acid battery for power specially designed for electric vehicles such as golf cart; with the rapid development of new energy industry, various countries gradually push new energy automobiles to replace fuel vehicles, and the demand of the power type lead-acid storage battery used as vehicle power is greatly increased; according to market research, customers expect that existing flooded golf car batteries will improve on low voltage fast charge performance and cycle life. In addition, the lead-carbon battery in the market is a novel super battery, integrates a lead-acid battery and a super capacitor, not only exerts the advantage of instantaneous high-capacity charging of the super capacitor, but also exerts the advantage of specific energy of the lead-acid battery, has very good charging and discharging performance, and prolongs the service life of the battery; customers expect improvements in the discharge capacity of existing flooded golf car batteries.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a lead-acid storage battery anode lead plaster and a preparation method thereof, and the specific technical scheme is as follows:
the positive lead plaster of the lead-acid storage battery comprises the following components in percentage by weight:
70 to 90 percent of lead powder, 0.01 to 0.15 percent of short fiber, 0.5 to 5 percent of tetrabasic lead sulfate, 0.05 to 0.5 percent of stannous sulfate, 0.05 to 0.5 percent of colloidal graphite, 0.01 to 0.5 percent of graphene slurry, 5 to 15 percent of deionized water, 2 to 10 percent of dilute sulfuric acid and 0.01 to 1 percent of polytetrafluoroethylene.
A preparation method of lead paste of a lead-acid storage battery positive electrode comprises the following steps:
step S1: uniformly mixing short fibers, tetrabasic lead sulfate, stannous sulfate and colloidal graphite in advance, and preparing in advance to form dry auxiliary materials;
step S2: applying lead powder, then sequentially adding the dry auxiliary material prepared in the step S1 and graphene slurry, and dry-mixing for 1-10 min;
step S3: adding deionized water and wet mixing for 5-15 min;
step S4: adding dilute sulphuric acid and mixing for 5-20 min;
step S5: adding polytetrafluoroethylene and continuously mixing for 1-10 min to prepare the positive lead plaster.
Further, the apparent density of the lead paste is controlled to be 4.2-4.8 g/cm3。
Further, in the whole preparation process of the positive lead plaster, the temperature of the lead plaster is controlled to be 60-85 ℃.
The invention has the beneficial effects that:
in the invention, a proper amount of short fiber and polytetrafluoroethylene are added in the preparation process of the lead plaster, and the apparent density of the lead plaster is higher, so that the strength of the polar plate can be enhanced, the polar plate is prevented from softening and falling off, and the cycle life of the storage battery is improved; the addition of a proper amount of tetrabasic lead sulfate and the control of higher paste mixing temperature can obtain an ideal positive plate active material framework, thereby ensuring that the storage battery has longer cycle life; proper amounts of graphene slurry, colloidal graphite and stannous sulfate are added, so that the conductivity of the polar plate can be improved, and the low-voltage quick charging performance, the discharging performance and the cycle life of the storage battery are improved; lead powder, deionized water and dilute sulfuric acid provide main active substances and proper active substance porosity, and the storage battery is ensured to have higher discharge capacity.
Drawings
Fig. 1 shows a process flow diagram of the preparation method of the lead-acid battery positive electrode lead paste of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The lead-acid storage battery positive electrode lead plaster comprises the following components in percentage by weight:
70 to 90 percent of lead powder, 0.01 to 0.15 percent of short fiber, 0.5 to 5 percent of tetrabasic lead sulfate, 0.05 to 0.5 percent of stannous sulfate, 0.05 to 0.5 percent of colloidal graphite, 0.01 to 0.5 percent of graphene slurry, 5 to 15 percent of deionized water, 2 to 10 percent of dilute sulfuric acid and 0.01 to 1 percent of polytetrafluoroethylene.
As shown in fig. 1, a method for preparing a lead paste for a positive electrode of a lead-acid storage battery comprises the following steps:
step S1: uniformly mixing short fibers, tetrabasic lead sulfate, stannous sulfate and colloidal graphite in advance, and preparing in advance to form dry auxiliary materials;
step S2: applying lead powder, then sequentially adding the dry auxiliary material prepared in the step S1 and graphene slurry, and dry-mixing for 1-10 min;
step S3: adding deionized water and wet mixing for 5-15 min;
step S4: adding dilute sulphuric acid and mixing for 5-20 min;
step S5: adding polytetrafluoroethylene and continuously mixing for 1-10 min to prepare the positive lead plaster.
Wherein the apparent density of the lead paste is controlled to be 4.2-4.8 g/cm3(ii) a In the whole preparation process of the anode lead plaster, the temperature of the lead plaster is controlled to be 60-85 ℃.
And (3) performance testing:
by adopting the positive lead plaster formula and the preparation method thereof and the common positive lead plaster formula and the preparation method thereof, 6V210Ah (C) are prepared20Capacity) liquid-rich golf cart batteries were tested in comparison, and the test results are shown in table one below:
table one:
from the test data in Table I, it can be seen that 6V210Ah (C) was prepared using the positive electrode lead paste formulation and preparation method of the present invention20Capacity) of the battery, the cycle life of the battery is remarkably prolonged, and the charging performance is effectively improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The lead-acid storage battery positive lead plaster is characterized in that the positive lead plaster comprises the following components in percentage by weight:
70 to 90 percent of lead powder, 0.01 to 0.15 percent of short fiber, 0.5 to 5 percent of tetrabasic lead sulfate, 0.05 to 0.5 percent of stannous sulfate, 0.05 to 0.5 percent of colloidal graphite, 0.01 to 0.5 percent of graphene slurry, 5 to 15 percent of deionized water, 2 to 10 percent of dilute sulfuric acid and 0.01 to 1 percent of polytetrafluoroethylene.
2. The method for preparing the positive lead paste of the lead-acid storage battery according to claim 1, characterized by comprising the following steps:
step S1: uniformly mixing short fibers, tetrabasic lead sulfate, stannous sulfate and colloidal graphite in advance, and preparing in advance to form dry auxiliary materials;
step S2: applying lead powder, then sequentially adding the dry auxiliary material prepared in the step S1 and graphene slurry, and dry-mixing for 1-10 min;
step S3: adding deionized water and wet mixing for 5-15 min;
step S4: adding dilute sulphuric acid and mixing for 5-20 min;
step S5: adding polytetrafluoroethylene and continuously mixing for 1-10 min to prepare the positive lead plaster.
3. The preparation method of the lead-acid storage battery positive electrode lead paste according to claim 2, characterized by comprising the following steps: controlling the apparent density of the lead paste to be 4.2-4.8 g/cm3。
4. The preparation method of the lead-acid storage battery positive electrode lead paste according to claim 2, characterized by comprising the following steps: in the whole preparation process of the anode lead plaster, the temperature of the lead plaster is controlled to be 60-85 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111387607.6A CN114335453A (en) | 2021-11-22 | 2021-11-22 | Lead-acid storage battery positive electrode lead paste and preparation method thereof |
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| CN202111387607.6A CN114335453A (en) | 2021-11-22 | 2021-11-22 | Lead-acid storage battery positive electrode lead paste and preparation method thereof |
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| CN114335453A true CN114335453A (en) | 2022-04-12 |
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| JP2006107984A (en) * | 2004-10-07 | 2006-04-20 | Matsushita Electric Ind Co Ltd | Manufacturing method of positive electrode plate for lead-acid battery and lead-acid battery using this positive electrode plate |
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| CN102646832A (en) * | 2012-05-10 | 2012-08-22 | 山东瑞宇蓄电池有限公司 | Lead plaster composition for manufacturing positive plate of lead-acid storage battery, positive plate of lead-acid storage battery and lead-acid storage battery |
| CN103035923A (en) * | 2012-12-18 | 2013-04-10 | 超威电源有限公司 | Low-temperature-resistant storage battery internally formed lead plaster |
| CN103066295A (en) * | 2012-12-18 | 2013-04-24 | 超威电源有限公司 | Internally formed lead plaster of storage battery suitable for high temperature area |
| CN106129357A (en) * | 2016-07-14 | 2016-11-16 | 安徽轰达电源有限公司 | The solid lead carbon battery lead plaster of deep glue-type spy |
| CN106784639A (en) * | 2016-08-19 | 2017-05-31 | 宋海城 | A kind of high-energy long service life head-acid accumulator positive/negative plate of carbon film coated |
| CN106876666A (en) * | 2015-12-11 | 2017-06-20 | 杨春晓 | lead-acid battery electrode active material |
| CN109256560A (en) * | 2018-08-29 | 2019-01-22 | 骆驼集团蓄电池研究院有限公司 | Improve the anode diachylon and preparation method thereof of lead-acid accumulator high-temperature cycle life |
| CN110190204A (en) * | 2019-05-15 | 2019-08-30 | 佛山赛能新能源有限公司 | A kind of production method of hot-resistant valve control lead-acid battery and its positive plate |
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2021
- 2021-11-22 CN CN202111387607.6A patent/CN114335453A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006107984A (en) * | 2004-10-07 | 2006-04-20 | Matsushita Electric Ind Co Ltd | Manufacturing method of positive electrode plate for lead-acid battery and lead-acid battery using this positive electrode plate |
| CN102354751A (en) * | 2011-08-24 | 2012-02-15 | 天能电池集团（安徽）有限公司 | Formula and preparation method of high energy storage lead-acid battery lead paste |
| CN102646832A (en) * | 2012-05-10 | 2012-08-22 | 山东瑞宇蓄电池有限公司 | Lead plaster composition for manufacturing positive plate of lead-acid storage battery, positive plate of lead-acid storage battery and lead-acid storage battery |
| CN103035923A (en) * | 2012-12-18 | 2013-04-10 | 超威电源有限公司 | Low-temperature-resistant storage battery internally formed lead plaster |
| CN103066295A (en) * | 2012-12-18 | 2013-04-24 | 超威电源有限公司 | Internally formed lead plaster of storage battery suitable for high temperature area |
| CN106876666A (en) * | 2015-12-11 | 2017-06-20 | 杨春晓 | lead-acid battery electrode active material |
| CN106129357A (en) * | 2016-07-14 | 2016-11-16 | 安徽轰达电源有限公司 | The solid lead carbon battery lead plaster of deep glue-type spy |
| CN106784639A (en) * | 2016-08-19 | 2017-05-31 | 宋海城 | A kind of high-energy long service life head-acid accumulator positive/negative plate of carbon film coated |
| CN109256560A (en) * | 2018-08-29 | 2019-01-22 | 骆驼集团蓄电池研究院有限公司 | Improve the anode diachylon and preparation method thereof of lead-acid accumulator high-temperature cycle life |
| CN110190204A (en) * | 2019-05-15 | 2019-08-30 | 佛山赛能新能源有限公司 | A kind of production method of hot-resistant valve control lead-acid battery and its positive plate |
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