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引用次数: 0
摘要
本文制备了纳米MnO2/石墨烯基阴极材料，并对其性能进行了研究。利用制备的二氧化镁纳米颗粒和传统的二氧化锰体系，研究了石墨烯原电池对镁/二氧化锰的改性。纳米二氧化锰-石墨烯基正极材料的存储容量和能量密度分别从2.6 mAh g-1和3.5 Wh kg-1增加到7.5 mAh g-1和10 Wh kg-1。纳米mno2 /石墨烯基阴极的放电时间比传统的微米mno2基阴极提高到5200 s左右。因此，本研究开辟了未来使用二氧化锰/石墨烯纳米颗粒作为镁原电池正极材料的新途径。
Nano Mg/MnO2-graphene storage cell for enhanced performance
In this present study, a nano-MnO2/graphene based cathode was prepared and its characteristics were studied for Mg/MnO2 primary battery applications. A modified magnesium/manganese dioxide (Mg/MnO2) with graphene primary cell was investigated using the prepared MnO2-graphene nanoparticles and conventional MnO2 system. The storage capacity and energy density of the nano-MnO2-graphene based cathode materials increased respectively, from 2.6 to 7.5 mAh g-1 and 3.5 to 10 Wh kg-1. The discharge time of nano-MnO2/graphene based cathode increased to approximately 5200 s than that of conventional micron-MnO2-based cathode. Thus, this study opens up a new approach to use MnO2/graphene nanoparticles as a cathode material for magnesium primary batteries in future.
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