The small current of the slow pulse could efficiently decrease the ionic concentration polarization and increase the charging efficiency.
慢脉冲中的小电流有效地控制了离子浓差极化，提高了充电效率。
The current efficiency during charging is important for the seal of nickel-metal hydride secondary battery and the saving of energy.
镍氢电池负极用贮氢合金电极材料的充电电流效率对电池的密封以及能源节约都具有重要的意义。
Through the choice of the materials and the optimization of ratio and formulae, the invention can meet the requirements of small current, high charging efficiency and long lifetime.
本发明通过上述材料的选择及配比、配方的优化，达到高温环境下小电流高充 电效率、长寿命的要求。
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