CN111477851A - Lead-carbon negative electrode additive formula of lead storage battery - Google Patents
Lead-carbon negative electrode additive formula of lead storage battery Download PDFInfo
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- CN111477851A CN111477851A CN202010292685.7A CN202010292685A CN111477851A CN 111477851 A CN111477851 A CN 111477851A CN 202010292685 A CN202010292685 A CN 202010292685A CN 111477851 A CN111477851 A CN 111477851A
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- Prior art keywords
- lead
- stirring
- polyester fiber
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- negative electrode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
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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
Abstract
The invention discloses a lead carbon negative electrode additive formula of a lead storage battery, and relates to the technical field of storage batteries. The formula comprises carbon black: 12-15 wt%, barium sulfate: 48-50 wt%, lignin: 10-12 wt%, vanillic element: 0.05 to 0.1 wt%, polyester fiber: 0.5-0.6 wt%; the length of the polyester fiber is 1-3 um; the formula of the invention improves the cold start capability of the storage battery, the conductivity of the negative active material and the initial charging capability of the battery, and promotes the oxygen absorption effect of the negative plate, thereby effectively improving the charge acceptance capability of the battery and prolonging the service life of the battery.
Description
Technical Field
The invention belongs to the technical field of lead storage batteries, and particularly relates to a lead carbon negative electrode additive formula of a lead storage battery.
Background
The lead accumulator is the accumulator which is used most widely at present, especially the development of the maintenance-free and valve-controlled lead accumulator expands its application field, the lead accumulator has the advantages of abundant raw materials, convenient production, mature technology, low price and stable electrical property, but the mass ratio energy of the lead accumulator is low, which is mainly caused by the low utilization rate of the active substances of the positive and negative plates, one of the effective ways to solve the problems is to use the additive in the active substances, but the understanding of the action and mechanism of the additive is not clear and has little effect, therefore, the formula of the additive is very important to improve the utilization rate of the active substances.
Disclosure of Invention
The invention aims to provide a lead-carbon negative electrode additive formula of a lead storage battery, which solves the problems of low charging capacity and short service life of the lead storage battery.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a lead-carbon negative electrode additive formula of a lead storage battery, which comprises the following components in percentage by weight:
carbon black: 12-15 wt%;
barium sulfate: 48 to 50 weight percent;
lignin: 10-12 wt%;
vanillic element: 0.05-0.1 wt%;
polyester fiber: 0.5-0.6 wt%;
the preparation method comprises the following steps:
the method comprises the following steps: weighing the required components, mixing lignin and vanillin, and grinding until the gap between powders is 0.01-0.05mm to obtain ingredient I;
step two: respectively drying carbon black and barium sulfate for 1h, removing water, stirring and mixing together, and performing ball milling to obtain a material II;
step three: and mixing and stirring the ingredient I and the ingredient II, adding polyester fiber in the stirring process, and performing ultrasonic optimization after stirring to prepare the cathode additive.
Further, the additive formula comprises the following components in percentage by weight:
carbon black: 13 wt%;
barium sulfate: 50 wt%;
lignin: 11 wt%;
vanillic element: 0.08 wt%;
polyester fiber: 0.56 wt%;
the preparation method comprises the following steps:
the method comprises the following steps: weighing the required components, mixing lignin and vanillin, and grinding until the gap between the powders is 0.01-0.05mm to obtain a mixture I;
step two: respectively drying carbon black and barium sulfate for 1h, removing water, stirring and mixing together, and performing ball milling to obtain a material II;
step three: and mixing and stirring the ingredient I and the ingredient II, adding polyester fiber in the stirring process, and performing ultrasonic optimization after stirring to prepare the cathode additive.
Further, the length of the polyester fiber is 1-3 um.
The invention has the following beneficial effects:
according to the invention, the formula of the carbon black, the lignin, the barium sulfate, the vanillic element and the polyester fiber is adopted, the carbon black improves the conductivity of the negative active substance and the initial charging capacity of the battery, and the barium sulfate further promotes the oxygen absorption effect of the negative plate, so that the charging acceptance capacity of the battery is effectively improved, and the service life of the battery is effectively prolonged.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
In the description of the present invention, it is to be understood that the terms "percentage," "content," "lower," "length," and the like, indicate an orientation or positional relationship merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.
Example (b):
the embodiment provides a lead-carbon negative electrode additive formula of a lead storage battery, which comprises the following components in percentage by weight:
carbon black: 13 wt%;
barium sulfate: 50 wt%;
lignin: 11 wt%;
vanillic element: 0.08 wt%;
polyester fiber: 0.56 wt%;
the length of the polyester fiber is 3um, the carbon black adopts PRINTEX AC4 model, and the barium sulfate adopts precipitated barium sulfate (6000 meshes).
The preparation method of the additive in the above example is as follows:
the method comprises the following steps: weighing the required components, mixing lignin and vanillin, and grinding until the gap between the powders is 0.01-0.05mm to obtain a mixture I;
step two: respectively drying carbon black and barium sulfate for 1h, removing water, stirring and mixing together, and performing ball milling to obtain a material II;
step three: and mixing and stirring the ingredient I and the ingredient II, adding polyester fiber in the stirring process, and performing ultrasonic optimization after stirring to prepare the cathode additive.
Comparative example:
carbon black: 10 wt%;
barium sulfate: 52 wt%;
lignin: 13 wt%;
polyester fiber: 0.48 wt%;
the length of the polyester fiber is 3um, the carbon black adopts PRINTEX AC4 model, the barium sulfate adopts precipitated barium sulfate (6000 meshes);
the same preparation method was used for the comparative examples;
negative plates with the same specification are prepared according to the formulas of the examples and the comparative examples, then the negative plates are assembled into batteries with the same specification, and the detection data are as the following table 1:
| item | Charge acceptance capability | Low temperature performance | Number of cycles |
| Examples of the experiments | 2.21 | 90 | 380 |
| Comparative example | 2.07 | 84 | 360 |
| Lifting of | 6.76％ | 7.14％ | 5.56％ |
By adopting the formula of the invention, the charging capacity of the battery is improved from 2.07 to 2.21 by 6.76 percent, the low-temperature performance is improved from 84 to 90 by 7.14 percent, and the cycle number of the battery is improved from 360 to 380 by 5.56 percent.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. The formula of the lead-carbon negative electrode additive of the lead storage battery is characterized in that: the formula comprises the following components in percentage by weight:
carbon black: 12-15 wt%;
barium sulfate: 48 to 50 weight percent;
lignin: 10-12 wt%;
vanillic element: 0.05-0.1 wt%;
polyester fiber: 0.5-0.6 wt%;
the preparation method comprises the following steps:
the method comprises the following steps: weighing the required components, mixing lignin and vanillin, and grinding until the gap between powders is 0.01-0.05mm to obtain ingredient I;
step two: respectively drying carbon black and barium sulfate for 1h, removing water, stirring and mixing together, and performing ball milling to obtain a material II;
step three: and mixing and stirring the ingredient I and the ingredient II, adding polyester fiber in the stirring process, and performing ultrasonic optimization after stirring to prepare the cathode additive.
2. The lead-carbon negative electrode additive formula of the lead storage battery as claimed in claim 1, wherein the formula comprises the following components in percentage by weight:
carbon black: 13 wt%;
barium sulfate: 50 wt%;
lignin: 11 wt%;
vanillic element: 0.08 wt%;
polyester fiber: 0.56 wt%;
the preparation method comprises the following steps:
the method comprises the following steps: weighing the required components, mixing lignin and vanillin, and grinding until the gap between the powders is 0.01-0.05mm to obtain a mixture I;
step two: respectively drying carbon black and barium sulfate for 1h, removing water, stirring and mixing together, and performing ball milling to obtain a material II;
step three: and mixing and stirring the ingredient I and the ingredient II, adding polyester fiber in the stirring process, and performing ultrasonic optimization after stirring to prepare the cathode additive.
3. The lead-carbon negative electrode additive formulation for lead-acid batteries according to claim 1 or 2, wherein the length of the polyester fiber is 1-3 um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010292685.7A CN111477851A (en) | 2020-04-15 | 2020-04-15 | Lead-carbon negative electrode additive formula of lead storage battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010292685.7A CN111477851A (en) | 2020-04-15 | 2020-04-15 | Lead-carbon negative electrode additive formula of lead storage battery |
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| CN111477851A true CN111477851A (en) | 2020-07-31 |
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| CN202010292685.7A Pending CN111477851A (en) | 2020-04-15 | 2020-04-15 | Lead-carbon negative electrode additive formula of lead storage battery |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000173643A (en) * | 1998-12-04 | 2000-06-23 | Shin Kobe Electric Mach Co Ltd | Lead-acid battery |
| CN1859979A (en) * | 2002-03-25 | 2006-11-08 | 伊万奈特纤维公司 | Methods of modifying fibers |
| JP2012199026A (en) * | 2011-03-18 | 2012-10-18 | Gs Yuasa Corp | Negative electrode active material paste, lead acid battery and method for manufacturing lead acid battery |
| CN103413976A (en) * | 2013-08-23 | 2013-11-27 | 天能集团江苏科技有限公司 | High-performance power accumulator and preparation method thereof |
| CN105406031A (en) * | 2015-12-08 | 2016-03-16 | 超威电源有限公司 | Negative electrode lead paste of lead-acid accumulator |
| CN109686977A (en) * | 2018-11-16 | 2019-04-26 | 超威电源有限公司 | A kind of acid accumulator negative pole lead material inhibiting liberation of hydrogen |
| US20190148735A1 (en) * | 2017-11-14 | 2019-05-16 | Johns Manville | Polymer fiber-containing mats with additives for improved performance of lead acid batteries |
| CN110165220A (en) * | 2019-06-21 | 2019-08-23 | 天能电池(芜湖)有限公司 | A kind of additive inhibiting lead-acid battery cathode liberation of hydrogen |
-
2020
- 2020-04-15 CN CN202010292685.7A patent/CN111477851A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000173643A (en) * | 1998-12-04 | 2000-06-23 | Shin Kobe Electric Mach Co Ltd | Lead-acid battery |
| CN1859979A (en) * | 2002-03-25 | 2006-11-08 | 伊万奈特纤维公司 | Methods of modifying fibers |
| JP2012199026A (en) * | 2011-03-18 | 2012-10-18 | Gs Yuasa Corp | Negative electrode active material paste, lead acid battery and method for manufacturing lead acid battery |
| CN103413976A (en) * | 2013-08-23 | 2013-11-27 | 天能集团江苏科技有限公司 | High-performance power accumulator and preparation method thereof |
| CN105406031A (en) * | 2015-12-08 | 2016-03-16 | 超威电源有限公司 | Negative electrode lead paste of lead-acid accumulator |
| US20190148735A1 (en) * | 2017-11-14 | 2019-05-16 | Johns Manville | Polymer fiber-containing mats with additives for improved performance of lead acid batteries |
| CN109686977A (en) * | 2018-11-16 | 2019-04-26 | 超威电源有限公司 | A kind of acid accumulator negative pole lead material inhibiting liberation of hydrogen |
| CN110165220A (en) * | 2019-06-21 | 2019-08-23 | 天能电池(芜湖)有限公司 | A kind of additive inhibiting lead-acid battery cathode liberation of hydrogen |
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Application publication date: 20200731 |