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The γ-MnO2@CNT catalyst was prepared by in situ solid phase synthesis and first applied into sodium-air batteries (SABs). The initial discharge specific capacity of SABs with γ-MnO2@CNT catalyst can reach… Click to show full abstract
The γ-MnO2@CNT catalyst was prepared by in situ solid phase synthesis and first applied into sodium-air batteries (SABs). The initial discharge specific capacity of SABs with γ-MnO2@CNT catalyst can reach 8804 mA h g−1 and the overpotential gap is only 140 mV, which is better than the batteries that is catalyzed by α-MnO2@CNT and pure CNT. Besides, the batteries also exhibit excellent cycle performance, which can keep relatively stable for 246 cycles at 500 mA g−1 and 140 cycles at 1000 mA g−1.
Keywords:
mno2 cnt;
sodium air;
air batteries;
cnt;
catalyst
Journal Title: Science China Chemistry
Year Published: 2019
Link to full text (if available)
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Journal Title: Science China Chemistry
Year Published: 2019
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!