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Showing 1–2 of 2 results
Advanced filters: Author: "Fan Lu" Clear advanced filters

  • The use of Li or Na as electrodes in Li-Na alloy–O2 batteries creates formidable challenges for both safety and stability because of their oxidative corrosion and the growth of dendrites and cracks on their surface. Now, an aprotic bimetal Li-Na alloy–O2 battery with high cycling stability has been developed using a Li-Na eutectic alloy anode and an electrolyte additive.

    • Jin-ling Ma
    • Fan-lu Meng
    • Qing Jiang
    Research
    Nature Chemistry
    Volume: 11, P: 64-70

  • Oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) are still kinetic barriers of regenerative fuel cell and metal–air batteries, requiring efficient and inexpensive bifunctional electrocatalysts to accelerate the reaction and improve energy efficiency. Herein, we develop Co9S8 particles in situ grown on nitrogen and sulfur co-doped porous carbon (Co9S8/NSPC) to replace the benchmark noble metal catalysts, which shows high catalytic activities including small potential gap, long-term durability and high selectivity. Importantly, the Zn–air battery with Co9S8/NSPC as air electrode displays low discharge/charge overpotential and good cyclic stability, making it the promising bifunctional catalyst for the practical applications.

    • Hai-xia Zhong
    • Kai Li
    • Xin-bo Zhang
    ResearchOpen Access
    NPG Asia Materials
    Volume: 8, P: e308