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High-performance lead paste composition

A composition and high-performance technology, applied in lead-acid battery electrodes, electrical components, battery electrodes, etc., can solve the problems of poor charging acceptance, inability to solve the over-discharge resistance of batteries, etc., and achieve the improvement of lead paste strength and initial capacity. big, powerful effect

Inactive Publication Date: 2015-03-25
TIANNENG BATTERY GRP ANHUI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the lead paste formulations of lead-acid batteries used in domestic electric mopeds are different, and most of them are directly borrowed from the formulations of ordinary valve-regulated lead-acid batteries.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A high-performance lead paste composition is composed of the following components by mass percentage:

[0014] Lead powder: 81%

[0015] Pure water: 9.5%

[0016] Sulfuric acid (1.4g / mL, 25°C): 7.5%

[0017] Fumed silica colloidal mother liquor: 0.25%

[0018] Antimony trioxide: 0.2%

[0019] Colloidal graphite: 0.35%

[0020] Short fiber: 7%

[0021] 4BS crystal: 0.5%.

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PUM

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Abstract

The invention discloses a high-performance lead paste composition. The high-performance lead paste composition is characterized by comprising the following components in percentage by mass: 80-82% of lead powder, 9-10% of purified water, 7-8% of sulfuric acid, 0.2-0.3% of gas phase silicon dioxide colloid mother liquid, 0.1-0.3% of antimony trioxide, 0.2-0.5% of aquadag, 0.4-1.0% of brief fiber, and 0.3-0.8% of tetrabasic lead sulfate. The high-performance lead paste composition introduces the tetrabasic lead sulfate seed crystal on the basis of the sulfate, the aquadag and the brief fiber; active substances in the lead paste can be high in intensity, and low in formation difficulty; after a battery is assembled, the battery is large in initial capacity, and long in circulating life; the initial capacity is improved by 15%; the circulating life is prolonged by 20%; the lead paste intensity is improved by 15%.

Description

Technical field [0001] The invention relates to the technical field of lead-acid batteries, in particular to a high-performance lead paste composition. Background technique [0002] Lead-acid batteries have a history of 130 years and have the advantages of reliable performance, mature production technology, and lower cost than nickel-hydrogen batteries and lithium batteries. The vast majority of current electric vehicles use sealed lead-acid batteries. Sealed lead-acid batteries are arranged in a battery box with positive and negative plates alternately stacked. The positive and negative plates are separated by insulating separators. When the electrolyte is filled into the battery box, the electrolyte is connected to the positive and negative plates. The lead undergoes a chemical reaction. When the battery is charged, it becomes lead on the positive and negative plates of lead sulfate, and releases the sulfuric acid component fixed in it into the electrolyte, turning into lead ...

Claims

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Application Information

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IPC IPC(8): H01M4/56
CPCH01M4/14H01M4/57Y02E60/10
Inventor 杨新明史伯荣吴标强恒昌黄森肖林王治安
Owner TIANNENG BATTERY GRP ANHUI
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