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    • 46. 发明公开
    • 리튬공기 배터리 장치
    • 锂离子电池装置
    • KR1020130053818A
    • 2013-05-24
    • KR1020110119483
    • 2011-11-16
    • 현대자동차주식회사
    • 김동희이호택류경한
    • H01M12/08H01M12/06B60L11/18
    • Y02E60/128Y02T10/7011
    • PURPOSE: A lithium air battery device is provided to prevent outflow of internal electrolyte, thereby preventing decrease of battery lifetime due to shortage of electrolyte during repeating charging and discharging. CONSTITUTION: A lithium air battery device comprises a lithium metal negative electrode(3); an air positive electrode consisting of carbon, catalyst, and binder; electrolyte which transfers lithium ions generated from the lithium metal negative electrode to the air positive electrode; and a hydrophobic permeable film(10) which selectively transmits external air, supplies the same to the air positive electrode, and blocks the inflow of external impurities and outflow of electrolyte. The hydrophobic permeable film consists of one or a copolymer thereof selected from fluorinated ethylene propylene, hexafluoropropylene, polytetrafluoroethylene, polyethylene, polypropylene, polyvinylidene fluoride, polystyrene, polyvinyl chloride, and polyvinyl acetate.
    • 目的:提供锂空气电池装置,以防止内部电解质的流出,从而防止由于在重复充放电期间电解质不足而导致的电池寿命降低。 构成:锂空气电池装置包括锂金属负极(3); 由碳,催化剂和粘合剂组成的空气正极; 将从锂金属负极产生的锂离子转移到空气正极的电解质; 和选择性地透过外部空气的疏水性渗透膜(10),将其供给到空气正极,阻止外部杂质的流入和电解液的流出。 疏水性可渗透膜由选自氟化乙烯丙烯,六氟丙烯,聚四氟乙烯,聚乙烯,聚丙烯,聚偏二氟乙烯,聚苯乙烯,聚氯乙烯和聚乙酸乙烯酯的一种或其共聚物组成。