CN106226705B - 一种铅酸蓄电池电极电位检测方法 - Google Patents

一种铅酸蓄电池电极电位检测方法 Download PDF

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CN106226705B
CN106226705B CN201610757518.9A CN201610757518A CN106226705B CN 106226705 B CN106226705 B CN 106226705B CN 201610757518 A CN201610757518 A CN 201610757518A CN 106226705 B CN106226705 B CN 106226705B
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negative
battery
lead
positive
pressure
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CN106226705A (zh
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张泽波
张森
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Chaowei Power Group Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
    • G01R31/379—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator for lead-acid batteries
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385—Arrangements for measuring battery or accumulator variables
    • G01R31/387—Determining ampere-hour charge capacity or SoC
    • G01R31/388—Determining ampere-hour charge capacity or SoC involving voltage measurements

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  • General Physics & Mathematics (AREA)
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Abstract

本发明涉及铅酸蓄电池领域，尤其涉及一种铅酸蓄电池电极电位检测方法,首先铅酸电池在放电过程中，用万用表负极笔接触电池单格正负汇流排中间的隔板；其次，用万用表正极笔测电池正汇流排和负汇流排，测得电池正隔压和负隔压；再次，将负隔压数值乘上负1,以纵坐标电压及横坐标放电时间作图，绘制正负隔压电能下降趋势曲线；最后，判断电池是正极还是负极先失效。通过采用以上方法,克服了用参比电极、无参比电极的麻烦,同时也减少了重金属污染问题。

Description

一种铅酸蓄电池电极电位检测方法
技术领域
本发明涉及铅酸蓄电池领域，尤其涉及一种阀控式铅酸蓄电池电极电位检测方法。
背景技术
铅酸蓄电池电极点位的检测大多采用镉电极、盐类电极这些参比电极进行检测，这些参比电极在使用、携带及保养都不方便，很多还有重金属污染，。经常出现没准备参比电极而不能测定的情况。本发明是用万用表直接测电池隔板电极电位。克服了用参比电极、无参比电极的麻烦。同时也减少了重金属污染问题。
发明内容
为了解决上述技术问题，本发明提供了一种铅酸蓄电池隔板电极电位检测方法,其特征在于，首先铅酸电池在放电过程中，用万用表负极笔接触电池单格正负汇流排中间的隔板；其次，用万用表正极笔测电池正汇流排和负汇流排，测得电池正隔压和负隔压；再次，将负隔压数值乘上负1，以纵坐标电压及横坐标放电时间作图，绘制正负隔压电能下降趋势曲线；最后，判断电池是正极还是负极先失效。
进一步地，电池单格放电电压低于1.85v后测量正负隔电压。
进一步地，通过电能下降趋势曲线斜率，判断电池是正极还是负极先失效。
本发明铅酸蓄电池电极电位检测方法克服了用参比电极、无参比电极的麻烦,同时也减少了重金属污染问题。
附图说明
图1是本发明隔板电极电位法与镉电极电位法的对比图；
图2是本发明隔板电极电位法与镉电极电位法电能下降斜率对比图。
具体实施方式
下面结合附图具体实施例对本发明作进一步说明。
本发明的一种铅酸蓄电池电极电位检测方法：铅酸电池在放电过程中，用万用表负极笔良好接触电池单格正负汇流排中间的隔板，从电池放电到电池放电结束过程(特别是电池单格放电电压在1.85v以下)，用万用表正极笔测电池正汇流排和负汇流排，测得电池正隔压和负隔压，再将负隔压数值乘上负1，使负隔压上升趋势变为下降趋势(下降趋势线定义为负极电能线)。而正隔压本身是下降趋势(也可以叫正极电能线)。以纵坐标电压及横坐标放电时间作图。绘制正负隔压电能下降趋势曲线。根据斜率判断电池是正极还是负极先失效。再将每条电能下降趋势线的起始点移动在一起，每条线的斜率都很直观地判断。
一种铅酸蓄电池电极电位检测方法同步跟镉电极法进行对比。如下(见图1、2):
1、镉电极检测法和隔板电极-电位检测法在电池放电测量时，两种方法测得单格电压都比较一致。
2、镉电极检测法和隔板电极-电位检测法在电池放电测量过程，单格电压差值均值差异小。
3、正镉电位与正隔板-电极电位差值均值小；负镉电位与负隔板-电极电位差值均值也小；正镉电位与正隔板-电极电位差值同负镉电位与负隔板-电极电位差值比较接近。
4、测量过程稳定
以上内容是结合具体验证数据所作的详细说明，不能认定本发明的具体实施仅限于这些说明。对于本发明所属技术领域的技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明保护的范围。

Claims (2)

1.一种铅酸蓄电池电极电位检测方法,其特征在于，首先铅酸电池在放电过程中，用万用表负极笔接触电池单格正负汇流排中间的隔板；其次，从电池放电到电池放电结束过程，用万用表正极笔测电池正汇流排和负汇流排，测得电池正隔压和负隔压；再次，将负隔压数值乘上负1，以纵坐标电压及横坐标放电时间作图，绘制正负隔压电能下降趋势曲线；最后，绘制正负隔压电能下降趋势曲线，根据斜率判断电池是正极还是负极先失效。
2.如权利要求1所述的铅酸蓄电池电极电位检测方法,其特征在于，电池单格放电电压低于1.85v。
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CN107966665A (zh) * 2016-10-20 2018-04-27 超威电源有限公司 一种铅酸蓄电池电极电位检测方法
CN107621608B (zh) * 2017-08-30 2020-10-09 国家电网公司 一种2v阀控式铅酸蓄电池极板硫酸盐化检测方法
CN112034363B (zh) * 2020-09-04 2023-04-14 超威电源集团有限公司 密封铅酸蓄电池单格落后检测方法

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CN101803105A (zh) * 2007-09-18 2010-08-11 丰田自动车株式会社 二次电池的状态检测装置
CN104330451A (zh) * 2014-08-28 2015-02-04 天能集团江苏科技有限公司 一种低温环境使用的盐桥制作方法
CN104614678A (zh) * 2015-01-21 2015-05-13 哈尔滨工业大学 一种铅酸蓄电池内化成过程电池电极电位的在线检测装置及方法
CN104947118A (zh) * 2015-06-17 2015-09-30 中国石油天然气股份有限公司 一种柔性阳极断点检测方法

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WO2015019482A1 (ja) * 2013-08-09 2015-02-12 株式会社日立製作所 リチウムイオン二次電池用正極材料

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Publication number Priority date Publication date Assignee Title
CN101803105A (zh) * 2007-09-18 2010-08-11 丰田自动车株式会社 二次电池的状态检测装置
CN104330451A (zh) * 2014-08-28 2015-02-04 天能集团江苏科技有限公司 一种低温环境使用的盐桥制作方法
CN104614678A (zh) * 2015-01-21 2015-05-13 哈尔滨工业大学 一种铅酸蓄电池内化成过程电池电极电位的在线检测装置及方法
CN104947118A (zh) * 2015-06-17 2015-09-30 中国石油天然气股份有限公司 一种柔性阳极断点检测方法

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