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Positive lead plaster for lead-acid storage battery and preparation method of positive lead plaster

A lead-acid battery, positive lead paste technology, applied in battery electrodes, circuits, electrical components and other directions, can solve the problems of low initial battery capacity, poor battery low temperature performance and charging acceptance, short battery cycle life, etc. The effect of uniform paste, reducing the difficulty of formation and improving the cycle life

Active Publication Date: 2014-04-30
江苏海宝电池科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the existing lead-acid batteries have the following disadvantages: 1. The initial capacity of the battery is low; 2. The cycle life of the battery is short; 3. The low-temperature performance and charge acceptance of the battery are poor
The main factor leading to the above disadvantages of lead-acid storage is that there are certain technical defects in the positive electrode paste of lead-acid storage batteries and the preparation method.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A kind of positive pole lead paste for lead-acid accumulator, it by weight percentage, positive pole lead paste formula is made up of following raw materials: 1.4g / ml dilute sulfuric acid 7.0%, deionized water 8%, red lead 5%, colloidal graphite 0.4%, 0.1% of stannous sulfate, 0.3% of anhydrous sodium sulfate, 0.5% of 4BS, 0.1% of antimony trioxide, 0.2% of polyester staple fiber, and the rest is lead powder.

[0012] The preparation method of above-mentioned positive lead paste for lead-acid accumulator is that the lead powder of formula quantity is put into the paste machine earlier, then add the red lead of formula quantity, colloidal graphite, 4BS and polyester short fiber, open and paste machine dry Stir for 5 minutes, then add deionized water dissolved in stannous sulfate and anhydrous sodium sulfate, add deionized water into the paste mixer within 0.8min, stir wet for 8min, add 1.4g / ml of antimony trioxide dissolved For dilute sulfuric acid, the acid addition tim...

Embodiment 2

[0015] A kind of positive pole lead paste for lead-acid accumulator, it by weight percentage, positive pole lead paste formula is made up of following raw materials: 1.4g / ml dilute sulfuric acid 10%, deionized water 12%, red lead 20%, colloidal graphite 0.4%, 0.3% stannous sulfate, 0.3% anhydrous sodium sulfate, 0.2% 4BS, 0.3% antimony trioxide, 0.05% polyester staple fiber, and the rest is lead powder.

[0016] The preparation method of above-mentioned positive lead paste for lead-acid accumulator is that the lead powder of formula quantity is put into the paste machine earlier, then add the red lead of formula quantity, colloidal graphite, 4BS and polyester short fiber, open and paste machine dry Stir for 10 minutes, then add deionized water dissolved in stannous sulfate and anhydrous sodium sulfate, add deionized water into the paste mixer within 2 minutes, stir wet for 8 minutes, add 1.4g / ml dilute antimony trioxide dissolved Sulfuric acid, the acid addition time is contro...

Embodiment 3

[0019] A kind of positive pole lead paste for lead-acid accumulator, it is calculated by weight percentage, and positive pole lead paste formula is made up of following raw materials: 1.4g / ml dilute sulfuric acid 9%, deionized water 10%, red lead 10%, colloidal graphite 0.2%, 0.2% stannous sulfate, 0.2% anhydrous sodium sulfate, 0.4% 4BS, 0.2% antimony trioxide, 0.1% polyester staple fiber, and the rest is lead powder.

[0020] The preparation method of above-mentioned positive lead paste for lead-acid accumulator is that the lead powder of formula quantity is put into the paste machine earlier, then add the red lead of formula quantity, colloidal graphite, 4BS and polyester short fiber, open and paste machine dry Stir for 8 minutes, then add deionized water dissolved in stannous sulfate and anhydrous sodium sulfate, add deionized water into the paste machine within 1 minute, stir wet for 6 minutes, add 1.4g / ml dilute antimony trioxide dissolved Sulfuric acid, the acid additio...

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PUM

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Abstract

The invention discloses positive lead plaster for a lead-acid storage battery and a preparation method of the positive lead plaster. The positive lead plaster is characterized by consisting of the following raw materials by weight percent: 7 to 10 percent of 1.4g / ml dilute sulfuric acid, 8 to 12 percent of deionized water, 5 to 20 percent of red lead, 0.1 to 0.4 percent of colloid graphite, 0.1 to 0.3 percent of stannous sulfate, 0.1 to 0.3 percent of anhydrous sodium sulfate, 0.2 to 0.5 percent of 4BS, 0.1 to 0.3 percent of diantimony trioxide, 0.05 to 0.2 percent of polyester short fibers, and the balance being lead powder. After the lead plaster which is prepared by utilizing the formula and the preparation method is prepared into the storage battery, the storage battery has the characteristics of high primary capacity, long service life, good low-temperature performance and good charging capacity.

Description

technical field [0001] The invention relates to a positive electrode paste for lead-acid batteries and a preparation method thereof, belonging to the technical field of lead-acid battery production. Background technique [0002] Most of the existing lead-acid batteries have the following disadvantages: 1. The initial capacity of the battery is low; 2. The cycle life of the battery is short; 3. The low-temperature performance and charge acceptance of the battery are poor. The main factor leading to the above-mentioned disadvantages of lead-acid storage battery is that there are certain technical defects in the positive electrode paste of lead-acid storage battery and the preparation method. For this reason, the present invention provides a new technical solution to solve the above technical problems. Contents of the invention [0003] The purpose of the present invention is to provide a positive lead paste for lead-acid batteries and its preparation method. After the lead ...

Claims

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Application Information

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IPC IPC(8): H01M4/56H01M4/62
CPCH01M4/57H01M4/62Y02E60/10
Inventor 沈维新
Owner 江苏海宝电池科技有限公司
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