【摘 要】
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Room temperature sodium-based batteries are thought to be one of the most promising energy storage systems beyond lithium ion batteries due to the abundant reserve of sodium in nature and its low cost
【机 构】
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高性能陶瓷和超微结构国家重点实验室,中国科学院上海硅酸盐研究所,上海200050 大连清洁能源国家
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Room temperature sodium-based batteries are thought to be one of the most promising energy storage systems beyond lithium ion batteries due to the abundant reserve of sodium in nature and its low cost.As the ion radius (1.02 (A)) of Na+ is by 34 ％larger than that (0.76 (A)) of Li+,Na transport and storage are quite sluggish in most of the Li-insertable host structures.Recently open framework strategy (e.g.bronze,pyrochlore) has proved to be successful to construct kinetically favorable Na-ion channels with increased size and dimension.[1,2] However the reversible capacity is still limited in view of the preservation of structure integrity.
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