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Lead storage cell

A lead-acid battery and overvoltage technology, applied in lead-acid batteries, lead-acid battery electrodes, battery electrodes, etc., can solve the problem of unclear battery composition conditions, and achieve the goal of suppressing global warming, improving battery characteristics, and clarifying active material conditions. Effect

Inactive Publication Date: 2014-05-07
SHIN KOBE ELECTRIC MASCH CO LTD
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  • Claims
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Problems solved by technology

[0019] In the past, regarding the higher charge acceptance performance that is an important proposition of ISS batteries, the essential requirements based on the principle of battery reaction, and the battery composition conditions based on the displayed requirements were not clear

Method used

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Embodiment 1

[0112] The charging acceptance test of the battery in the present invention, that is, the charging current evaluation test conditions are as follows unless otherwise specified. That is, when the charging acceptance test is carried out at a temperature of 25°C, the limiting current of the charging current is 200A, the constant voltage is 14V, and the state of charge SOC (State of Charge) is 90%, the first 5 seconds after the start of constant voltage charging Evaluation of the value of the charging current. The specific gravity of the electrolyte is 1.28.

[0113] The so-called conventional lead storage battery shows the battery characteristics of JIS80D23. That is, the initial charge acceptance performance of JIS80D23 is that the charging current is at the level of 33±2A in the fifth second after the start of 14V constant voltage charging. The essential characteristics of this battery were clarified by the electrochemical measurement shown below. That is, the electrochemica...

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Abstract

An object of the present invention is to clarify what sort of necessary condition based on the principles of cell reaction a charge-receiving performance is configured under, this performance being 1.5 times or more of a conventional lead storage cell, and to determine the necessary cell configuration on the basis of the clarified necessary condition. In a liquid lead storage cell in which charging is performed intermittently in short time intervals and high-rate discharge to the load is performed in a partially charged state, an electrochemical measurement system is configured by placing a reference electrode as a reference point of potential between a negative electrode panel and a positive electrode panel, the relationship between the negative electrode charging overvoltage and the positive electrode charging overvoltage and their corresponding charging currents is plotted to create a current-potential curve, and in an area where the current-potential curve is plotted resembling a straight line from a charging overvoltage of 0, the negative electrode active material of the negative electrode panel satisfies the relationship [negative electrode charging overvoltage / current]<=9.4, and the positive electrode active material of the positive electrode panel satisfies the relationship [positive electrode charging overvoltage / current]<=17.7.

Description

technical field [0001] The present invention relates to a liquid lead storage battery having an electrolyte solution (electrolytic solution) freed from an electrode plate group and a separator in a battery case. Background technique [0002] Since lead storage batteries are characterized by low cost and high reliability, they are used as power sources for driving automobiles, power sources for electric vehicles such as golf carts, and as power sources for industrial equipment such as uninterruptible power supply devices. being widely used. [0003] In recent years, in automobiles, various measures to improve fuel consumption have been studied in order to prevent air pollution and prevent global warming. As a car that has implemented measures to improve fuel consumption, in order to reduce the load on the engine as much as possible, the power generation of the alternator (alternator) is suppressed, and the rotation of the engine is efficiently used for the power generation o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/06H01M2/16H01M4/14H01M4/20H01M4/62H01M50/417H01M50/429
CPCH01M4/14H01M4/20H01M4/624H01M10/06H01M4/625H01M50/44H01M50/429H01M50/417Y02E60/10
Inventor 酒井政则箕浦敏柴原敏夫木暮耕二高桥悟
Owner SHIN KOBE ELECTRIC MASCH CO LTD
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