专利汇可以提供Lead-acid battery system专利检索,专利查询,专利分析的服务。并且PURPOSE:To prevent overcharge of a battery and lengthen the life by detecting terminal voltage of two or more cells, and evolving hydrogen gas from an electrode immersed in the lower part of electrolyte, when stratification of electrolyte is increased, to stir the electrolyte. CONSTITUTION:Normally, a lead-acid battery is charged at a current of 5-20HR. When about 90% of discharged capacity is charged, terminal voltage becomes about 2.5V/cell, and the concentration difference in electrolyte in upper and lower parts is maximized. Terminal voltage of two cells is detected with a controller 8, and when the voltage is 5V or higher, current is made to flow between a positive plate 1 and an electrode 9 to evolve hydrogen gas from the electrode 9. Since hydrogen gas evolves as much as twice oxygen gas in an equal amount of electricity and the electrode is arranged in the lower part of the electrolyte, stratification of the electrolyte is effectively eliminated. Although the positive plate is overcharged compared with a negative plate corresponding to the evolution of hydrogen gas, that is preferable because charging efficiency of the positive plate is poor compared with the negative plate. In addition, since the electrode 9 is polarized negatively, its corrosion is prevented and the life is lengthened.,下面是Lead-acid battery system专利的具体信息内容。
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