电解液配方对镍氢电池自放电性能的影响

Effect of Electrolyte Formula on the Self-discharge Properties of Nickel-metal Hydride Batteries

摘要: 研究了不同电解液配方对镍氢电池前期、末期自放电性能的影响以及不同温度下不同电解液配方制作成的电池的容量保持率.实验结果表明,随着NaOH密度的增大,镍氢电池容量保持率有增加趋势,且前期容量保持率比后期高.在低温条件下,电解液中NaOH密度的增大对容量保持率不利,即自放电较大;高温条件下,电解液中NaOH密度的增大对容量保持率有利,即自放电较小.

Abstract: The different electrolyte formula effects on self-discharge properties of the nickel-metal hydride batteries in earlier and later periods are stadied.At the same time,the capacity-keeping rate of the battery with different electrolyte formula at different temperatures are researched.The results show that the capacity-keeping rate of the nickel-metal hydride battery has upward trend with the increase of the proportion of NaOH,and the capacity-keeping rate in the earlier period is higher than that...