Lead-acid storage battery lead paste and preparation method thereof

A lead-acid battery and lead paste technology, which is applied in the direction of lead-acid battery electrodes, battery electrodes, circuits, etc., can solve the problems of over-discharge performance and poor charge acceptance, and achieve improved initial capacity, high cycle life, and improved service life Effect

Inactive Publication Date: 2017-10-03
HEFEI SHANGQIANG ELECTRIC TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a lead-acid battery lead paste and a preparation method thereof, which solves the problems in the above-mentioned background technology. The lead-acid battery lead paste improves the problems of battery over-discharge performance and poor charging acceptance ability, and improves battery life. service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] 本实施例涉及一种铅酸蓄电池铅膏,包括正极铅膏和负极铅膏,所述正极铅膏包括以下重量份的组分:再生铅粉100份、红丹5份、聚四氟乙烯0.05 份、超细四碱式硫酸铅1份、过硼酸钠0.02份、石墨0.2份、聚酯短纤维0.05份、玻璃纤维0.02份、三氧化二锑0.1份、稀硫酸7份、去离子水9 share;

[0033] 所述负极铅膏包括以下重量份的组分:再生铅粉100份、红丹12份、硫酸钡0.4份、硬脂酸钡0.05份、木素磺酸钠0.12份、腐殖酸0.2份、半炭化木屑0.1份、聚酯短纤维0.05份、改性石墨烯0.2份、稀硫酸10份、去离子水12份。

[0034] 其中,所述聚酯纤维与玻璃纤维的尺寸范围为2mm~5mm。

[0035] 其中,所述稀硫酸的溶液浓度为42%。

[0036] 其中,所述改性石墨烯由以下方法制得:将石墨烯浸于浓度为97%的硫酸中,于35℃下超声处理10小时,过滤后依次用去离子水、氢氧化钠溶液、去离子水洗至pH呈中性,即得到改性石墨烯。

[0037] 一种制备所述铅酸蓄电池铅膏的方法,包括如下步骤:

[0038] (1)正极铅膏制备

[0039] a:按上述配方称取再生铅粉、红丹、聚四氟乙烯、超细四碱式硫酸铅、过硼酸钠、石墨、聚酯短纤维、玻璃纤维、三氧化二锑、稀硫酸、去离子水,并将再生铅粉、红丹、超细四碱式硫酸铅、过硼酸钠、石墨、三氧化二锑分别放入球磨机中球磨至200~400目筛;

[0040] b:将红丹、超细四碱式硫酸铅、过硼酸钠、石墨、三氧化二锑混合放入至全自动和膏机中并开启搅拌装置,搅拌10分钟,加入再生铅粉、聚四氟乙烯、聚酯纤维及玻璃纤维,搅拌15分钟,加入去离子水,混合搅拌13分钟,即得铅粉混合物;

[0041] c:边搅拌边以喷淋状向步骤b所得铅粉混合物中加入稀硫酸,得淋酸混合物;

[0042] d:将步骤c所得淋酸混合物快速搅拌均匀,出膏,即得所述正极铅膏;

[0043] (2)负极铅膏制备

[0044] e:按上述配方称取再生铅粉、红丹、硫酸钡、硬脂酸钡、木素磺酸钠、腐殖酸、半炭化木屑、聚酯短纤维、改性石墨烯、稀硫酸、去离子水,备用;

[0045] f:将红丹、硫酸钡、硬脂酸钡、木素磺酸钠、腐殖酸、半炭化木屑、聚酯短纤维、改性石墨烯混合...

Embodiment 2

[0050] This embodiment relates to a lead-acid storage battery lead paste, including positive lead paste and negative lead paste. The positive lead paste includes the following components by weight: 100 parts of recycled lead powder, 10 parts of red lead, 0.1 2 parts, superfine tetrabasic lead sulfate 2 parts, sodium perborate 0.1 part, graphite 0.4 part, polyester staple fiber 0.09 part, glass fiber 0.09 part, antimony trioxide 0.2 part, dilute sulfuric acid 15 parts, deionized water 15 parts share;

[0051] The negative electrode paste includes the following components by weight: 100 parts of regenerated lead powder, 24 parts of red lead, 1 part of barium sulfate, 0.12 part of barium stearate, 0.17 part of sodium lignosulfonate, 0.4 part of humic acid, 0.15 parts of semi-carbonized wood chips, 0.09 parts of polyester staple fiber, 0.4 parts of modified graphene, 15 parts of dilute sulfuric acid, and 17 parts of deionized water.

[0052] Wherein, the size range of the polyest...

Embodiment 3

[0068] This embodiment relates to a kind of lead-acid storage battery lead paste, including positive electrode lead paste and negative electrode lead paste. 1.3 parts of superfine tetrabasic lead sulfate, 0.04 parts of sodium perborate, 0.25 parts of graphite, 0.06 parts of polyester staple fiber, 0.05 parts of glass fiber, 0.12 parts of antimony trioxide, 9 parts of dilute sulfuric acid, 12 parts of deionized water share;

[0069] The negative electrode paste includes the following components by weight: 100 parts of regenerated lead powder, 15 parts of red lead, 0.5 part of barium sulfate, 0.08 part of barium stearate, 0.14 part of sodium lignosulfonate, 0.22 part of humic acid, 0.11 parts of semi-carbonized sawdust, 0.06 parts of polyester staple fiber, 0.26 parts of modified graphene, 11 parts of dilute sulfuric acid, and 14 parts of deionized water.

[0070] Wherein, the size range of the polyester fiber and the glass fiber is 2mm-5mm.

[0071] Wherein, the solution conc...

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Abstract

The invention discloses a lead-acid storage battery lead paste, comprising a positive lead paste and a negative lead paste, wherein the positive lead paste comprises the following components: regenerated lead powder, red lead, polytetrafluoroethylene, ultra-fine tetrabasic lead sulfate, sodium perborate, graphite, polyester staple fiber, glass fiber, antimonous oxide, dilute sulfuric acid and deionized water; and the negative lead paste comprises the following components: regenerated lead powder, red lead, barium sulfate, barium stearate, sodium lignosulfonate, humic acid, semi-carbonized wood chips, polyester staple fiber, modified graphene, dilute sulfuric acid and deionized water. According to the lead-acid storage battery lead paste disclosed by the invention, the problem of poor over-discharge performance and charge acceptance capability of a storage battery can be improved, and the service life of the storage battery can be prolonged.

Description

technical field [0001] 本发明属于蓄电池技术领域,具体涉及一种铅酸蓄电池铅膏及其制备方法。 Background technique [0002] 电动助力车用铅酸蓄电池是应用于电动助力车领域的核心部件,蓄电池的性能和质量直接关系到电动助力车的正常行驶,而铅酸蓄电池的性能和质量主要受铅膏配方的影响。目前,国内电动助力车用铅酸蓄电池的铅膏配方各异,大多直接借用普通阀控铅酸蓄电池的配方,普通阀控蓄电池的配方无法解决蓄电池的耐过放电性能和充电接受能力差的问题。 Contents of the invention [0003] 本发明提供了一种铅酸蓄电池铅膏及其制备方法,解决了上述背景技术中的问题,所述铅酸蓄电池铅膏改善了蓄电池过放电性能和充电接受能力差的问题,提高了蓄电池的使用寿命。 [0004] 为了解决现有技术存在的问题,采用如下技术方案: [0005] 一种铅酸蓄电池铅膏,包括正极铅膏和负极铅膏,所述正极铅膏,包括以下重量份的组分:再生铅粉100份、红丹5~10份、聚四氟乙烯0.05~0.1份、超细四碱式硫酸铅1~2份、过硼酸钠0.02~0.1份、石墨0.2~0.4份、聚酯短纤维0.05~0.09份、玻璃纤维0.02~0.09份、三氧化二锑0.1~0.2份、稀硫酸7~15份、去离子水9~15份; [0006] 所述负极铅膏,包括以下重量份的组分:再生铅粉100份、红丹12~24份、硫酸钡0.4~1份、硬脂酸钡0.05~0.12份、木素磺酸钠0.12~ 0.17份、腐殖酸0.2~0.4份、半炭化木屑0.1~0.15份、聚酯短纤维0.05~0.09份、改性石墨烯0.2~0.4份、稀硫酸10~15份、去离子水12~17 share. [0007] 优选的,所述正极铅膏包括以下重量份的组分:再生铅粉100份、红丹6~8份、聚四氟乙烯0.07~0.09份、超细四碱式硫酸铅1.3~1.8份、过硼酸钠0.04~0.07份、石墨0.25~0.32份、聚酯短纤维0.06~0.08份、玻璃纤维0.05~0.07份、三氧化二锑0.12~0.18份、稀硫酸9~13份、去离子水12~14份; [0008] 所述负极铅膏包括以下重量份的组分:再生铅粉100份、红丹15~20份、硫酸钡0.5~0.9份、硬脂酸...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/16H01M4/56
CPCH01M4/16H01M4/56Y02E60/10
Inventor 程劲松
Owner HEFEI SHANGQIANG ELECTRIC TECH CO LTD
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