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由于锂空气电池有很高的理论能量密度,受到了研究人员的广泛关注。该种电池使用纯金属锂作为负极,正极为氧气,不需要在电极中储存,直接来自空气中。然而锂氧电池在实际应用中,仍然有许多的问题需要解决。诸如正极结构的设计、电解质组分的优选、以及充放电过程中电极的放电反应的研究等。综述了锂氧电池研究过程中面临的主要限制因素,并做了相应的阐述。
Due to the high theoretical energy density of lithium-air batteries, researchers have drawn much attention. This type of battery uses pure lithium metal as a negative electrode, positive oxygen, does not need to be stored in the electrode, directly from the air. However, lithium-ion battery in practical applications, there are still many problems to be solved. Such as the design of the positive electrode structure, the optimization of the electrolyte composition, and the discharge reaction of the electrode during charging and discharging, and the like. The main limiting factors in the research of lithium-oxygen battery are summarized and correspondingly elaborated.