【摘要】 锂-空气二次电池具有高出锂离子电池5~10倍的理论比能量,因而有望成为下一代高性能化学电源.本文简要介绍了4种锂-空气电池的结构与发展,认为其中非水系锂-空气电池最具发展潜力,进而阐述了非水系锂-空气电池的反应机理;介绍了空气电极中的碳材料、非碳材料和催化剂,以及电解液的发展概况.同时指出,发展一种稳定的电解液、设计合理的非碳正极以及研发高性能催化剂将是科研工作者所面临的重大挑战.更多还原

【Abstract】 Due to the 5–10 times the theoretical specific-energy of lithium-ion battery, the lithium-air battery is expected to be next-generation electrochemical-power source with high performance. The structure and development of four different kinds of lithium-air battery is introduced briefly. We believe the non-aqueous electrolyte system will play a great role in this field, and reaction mechanism of non-aqueous lithium-air battery, oxygen cathode materials including carbon, non-carbon materials and catalysts applied in current lithium-air battery, and advancement of electrolyte are discussed in detail. Furthermore, we look forward to the future development in lithium-air battery and believe the great challenge confronting the scientific researchers is to find a stable electrolyte, design a reasonable non-carbon cathode, and discover an effective catalyst.更多还原