CN104124474A - 一种含高碳负极板的铅碳电池 - Google Patents

一种含高碳负极板的铅碳电池 Download PDF

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Publication number
CN104124474A
CN104124474A CN201310144881.XA CN201310144881A CN104124474A CN 104124474 A CN104124474 A CN 104124474A CN 201310144881 A CN201310144881 A CN 201310144881A CN 104124474 A CN104124474 A CN 104124474A
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negative plate
carbon
lead
carbon battery
battery
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陈步高
赵杰权
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JIANGSU HANGHONG POWER SUPPLY CO Ltd
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JIANGSU HANGHONG POWER SUPPLY CO Ltd
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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
    • 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
    • H01M4/14—Electrodes for lead-acid accumulators
    • 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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/56—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead
    • H01M4/57—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead of "grey lead", i.e. powders containing lead and lead oxide
    • 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
    • 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
    • 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

本发明提供一种含高碳负极板的铅碳电池，传统铅碳电池负极板析氢现象严重、铅碳电池循环寿命差。本发明负极板膏体由55％～60％铅，35％～38％高比表面积炭、0.6％～2％添加剂组成。将和好的膏体涂在板栅两面，浸入硫酸混合固化，将固化后的负极板在硫酸中外化成。制得的负极板再与PbO2正极，组装成铅碳电池。本发明炭材料的比表面积大大提高，使得负极板的表面形成良好的导电网络，极板循环寿命得到较大提高。

Description

一种含高碳负极板的铅碳电池
技术领域
本发明涉及一种铅碳电池，尤其涉及一种新能源车辆的动力电池，属于电化学动力技术领域。
背景技术
近年来，铅碳电池运用于新能源车辆，如混合动力汽车、电动自行车等领域，简化了动力电池的电路。所谓铅碳电池，是将非对称超级电容器与铅酸电池采用内并联方式结合的一种既具有电容特性又具有电池特性的双功能储能电池，由具有电容特性的炭材料释放或接收电流，抑制传统铅酸电池的“负极硫酸盐化”。
可见普通的铅碳电池，碳材料的添加量为0.2％～2％时，还不具有超级电容的效果，碳材料的加入会加剧负极析氢问题，使蓄电池失水严重，减少铅碳电池的循环寿命。业界期待一种具有较长循环寿命的铅碳电池的问世。
发明内容
针对现有技术的不足，本发明提供一种负极板含碳量较高的铅碳电池，以解决负极板析氢现象严重、铅碳电池循环寿命差的问题。
为实现上述目的，本发明提供一种含高碳负极板的铅碳电池，负极板膏体由55％～60％铅，35％～38％高比表面积炭、0.6％～2％添加剂组成。将和好的膏体涂在板栅两面，浸入硫酸混合固化，将固化后的负极板在硫酸中外化成。制得的负极板再与PbO2正极，组装成铅碳电池。
优选用2％导电炭黑XC72作为负极板的添加剂。
具体实施方式
1、本发明及其负极板的制备
将60％铅，38％高比表面积炭、2％导电炭黑XC72混合，将和好的膏体利用手工涂板的方式涂在板栅两面，浸入密度1.26g/cm3的硫酸在一定的工艺条件下混合固化，将固化完成的所有负极板在1.06g/cm3的硫酸中外化成18h。制成铅碳电池的负极板。
制得的负极板再与PbO2正极，按照工厂工艺组装成6V4.5Ah铅碳电池。
2、本发明整体性能测试
(1)充电接受能力测试
本实验采用的充电接受能力测试程序如下：
(a)完全充电的蓄电池在25+5℃的条件下，以Ia电流放电5h(Ia＝Ca/10(A))；Ca是容量试验中的最大值；
(b)放电结束后，立即将蓄电池放入温度为0±1℃的低温室内20～25h；
(c)蓄电池从低温室内取出1min内，以恒定电压14.4+0.1V充电，经10min后，记录充电电流值In；
(d)充电电流In与放电电流Ia的比值应不小于2.0。
其测试结果显示，添加到负极活性物质中的炭黑能够在铅/硫酸铅颗粒中形成较好的导电网络，从而可以改善电池的充电接受能力。
(2)循环寿命测试
恒流2.5C，终止电压为4.8V，在25℃下进行循环寿命测试。从可以看出，铅碳电池循环寿命达到1200次，可见本发明将普通铅碳电池负极板中炭黑含量提高到基本用量的3倍和10倍时，负极板析氢现象得到有效缓解。
本发明炭材料的比表面积大大提高，使得负极板的表面形成良好的导电网络，极板循环寿命得到较大提高。

Claims (2)

1.一种含高碳负极板的铅碳电池，其特征在于负极板膏体由55％～60％铅，35％～38％高比表面积炭、0.6％～2％添加剂组成；将和好的膏体涂在板栅两面，浸入硫酸混合固化，将固化后的负极板在硫酸中外化成；制得的负极板再与PbO2正极，组装成铅碳电池。
2.根据权利要求1所述的一种含高碳负极板的铅碳电池，其特征在于：添加剂为2％导电炭黑XC72。
CN201310144881.XA 2013-04-25 2013-04-25 一种含高碳负极板的铅碳电池 Pending CN104124474A (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105591163A (zh) * 2016-01-28 2016-05-18 超威电源有限公司 一种新型阀控密封铅酸蓄电池生产工艺
TWI550940B (zh) * 2015-08-12 2016-09-21 廣隆光電科技股份有限公司 鉛炭電池的負極鉛膏、負極板及鉛炭電池
CN106654284A (zh) * 2016-11-14 2017-05-10 江苏富威能源有限公司 一种基于新型板栅的铅碳电池
CN111261842A (zh) * 2018-11-30 2020-06-09 中国科学院大连化学物理研究所 一种低温使用的铅炭电池及其制备和应用

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI550940B (zh) * 2015-08-12 2016-09-21 廣隆光電科技股份有限公司 鉛炭電池的負極鉛膏、負極板及鉛炭電池
CN105591163A (zh) * 2016-01-28 2016-05-18 超威电源有限公司 一种新型阀控密封铅酸蓄电池生产工艺
CN105591163B (zh) * 2016-01-28 2018-12-07 超威电源有限公司 一种阀控密封铅酸蓄电池生产工艺
CN106654284A (zh) * 2016-11-14 2017-05-10 江苏富威能源有限公司 一种基于新型板栅的铅碳电池
CN111261842A (zh) * 2018-11-30 2020-06-09 中国科学院大连化学物理研究所 一种低温使用的铅炭电池及其制备和应用
CN111261842B (zh) * 2018-11-30 2021-01-05 中国科学院大连化学物理研究所 一种低温使用的铅炭电池及其制备和应用

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Application publication date: 20141029