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Anode lead paste for power lead-acid storage battery and preparation method of anode lead paste

A lead-acid battery, negative lead paste technology, applied in lead-acid batteries, battery electrodes, circuits, etc., can solve problems such as short cycle life, and achieve the effects of improved cycle life, low temperature capacity, and high specific energy

Active Publication Date: 2015-12-09
ANHUI CHAOWEI POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the deficiencies of the prior art, and provides a lead paste for the negative pole of a power lead-acid battery and a preparation method thereof, thereby effectively improving the low-temperature performance of the power lead-acid battery and solving the problem of short cycle life in a low-temperature state.

Method used

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  • Anode lead paste for power lead-acid storage battery and preparation method of anode lead paste

Examples

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Effect test

specific Embodiment 1

[0022] Step 1, accurately refer to the following components: 0.6 copies of synthetic fibers, 20 sulfate, 0.5 parts of lignin, 1.5 sulfate tin, 1.5 sodium sulfate, 15 copies of polyiline;The synthetic fiber is one or more mixture of polyester fiber, proparior fiber and polyester fiber, which is 2 to 4mm in length of the synthetic fiber.

[0023] Step 2: Mix the components called step -one, then add it to the pipe machine together, accurately collect 1,000 lead powder with lead powder transportation pipes and add it to the pipe machine.The paste, stirred dry for 5 to 12 minutes to mix it evenly; the oxidation of the lead powder is 70%to 80%.

[0024] Step 3, add 90 copies of ionic water in two times: slowly add 40%to 70%of exfoliating water in 1 to 3 minutes, stir for 1 to 3 minutes, and then add the remaining amount of exfoliating ion ions for 1 to 3 minutes.Water, stir for 2 to 6 minutes; the conductivity of ionic water is less than 2us / cm.

[0025] Step 4. Slowly add a sulfuric a...

specific Embodiment 2

[0030] Step 2: Mix the components called step -one, then add it to the pipe machine together, accurately collect 1,000 lead powder with lead powder transportation pipes and add it to the pipe machine.The paste, stirred dry for 5 to 12 minutes to mix it evenly; the oxidation of the lead powder is 70%to 80%.

[0031] Step 3, add 110 copies of ion water in the quality of 110 copies: slowly add 40%to 70%of de -ion water in 1 to 3 minutes, stir for 1 to 3 minutes, and then add the remaining amount of exfoliating ion ions for 1 to 3 minutes.Water, stir for 2 to 6 minutes; the conductivity of ionic water is less than 2us / cm.

[0032] Step 4. Slowly add a sulfuric acid solution with a mass of 50%percentage. The mass of the sulfate solution is 80 copies, and the sulfuric acid solution is stirred for 15-25 minutes while adding the sulfate solution.

[0033] Step 5. Adjust the density of the lead cream from 4.4 ~ 4.6g / cm3.

[0034] The control temperature of the entire preparation process is...

specific Embodiment 3

[0038] Step 3, add 100 copies of ion water in the quality twice: slowly add 40%to 70%of de -ion water in 1 to 3 minutes, stir for 1 to 3 minutes, and then add the remaining amount of exfoliating ion ions for 1 to 3 minutes.Water, stir for 2 to 6 minutes; the conductivity of ionic water is less than 2us / cm.

[0039] Step 4. Slowly add a sulfuric acid solution with a mass of 50%percentage. The quality of the sulfuric acid solution is 100 copies, and the sulfuric acid solution is stirred for 15-25 minutes while adding the sulfate solution.

[0040] Step 5. Adjust the density of the lead cream from 4.4 ~ 4.6g / cm3.

[0041] The control temperature of the entire preparation process is not higher than 65 ° C.

[0042] project Example 1 Example 2 Example 3 2HR capacity (AH) 22.5 22.5 22.6 Charging Acceptance (A) 2.13 2.14 2.13 -15 ℃ Low temperature capacity (AH) 17.2 17.1 17.2 36A large current discharge (min) 29.8 29.7 29.9 Capacity preservatio...

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Abstract

The invention discloses an anode lead paste for a power lead-acid storage battery. The anode lead paste comprises the following constituents by mass: 1,000 parts of lead powder, 90-110 parts of deionized water, 70-100 parts of sulfuric acid solution with mass percentage of 50%, 0.6-0.9 part of synthetic fiber, 10-30 parts of barium sulfate, 0.5-3 parts of lignin, 0.5-2 parts of tin sulfate, 0.5-3 parts of lignin sulfonic acid and 5-20 parts of polyaniline. The invention simultaneously discloses a preparation method of the anode lead paste for the power lead-acid storage battery. By the anode lead paste for the power lead-acid storage battery and the preparation method thereof, the low-temperature performance of the power lead-acid storage battery can be effectively improved, and the problem of a short cycle life at a low-temperature state is solved.

Description

Technical field [0001] The present invention involves a dynamic lead -acid battery negative leading cream and its preparation method, which belongs to the field of power lead -acid battery manufacturing technology. Background technique [0002] According to the information released by the China Bicycle Association in 2012, the number of electric vehicles in my country has increased to 142 million, and the residents of developed cities have exceeded 30 electric vehicles per 100 households. The survey shows that more than 95%of electric vehicle power energy uses lead -acid batteries. EssenceLead -dynamic power batteries are used as the "heart" of electric vehicles and become the focus of attention to the electric vehicle industry. There are problems with the safety problems and cost -effectiveness of lithium batteries.The status of power source. [0003] Dynamic lead -acid battery is a lead -acid battery with a high -power discharge recycling, harsh environment, and diverse use. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/36H01M4/57H01M10/06
CPCH01M4/364H01M4/57H01M10/06Y02E60/10
Inventor 舒红群赵古龙潘志刚夏冬念向九五
Owner ANHUI CHAOWEI POWER
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