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Adv. Funct. Mater.最新综述:钠离子电池 Sodium-Ion Batteries
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最新上线的AFM发表了以Sodium-Ion Batteries为题的介绍钠离子电池的特征论文,对钠离子电池的发展现状做了综述,分别从能量密度,阴极材料,阳极材料,电解液方面做了详尽的总结。最近这方面文章非常多,也足以反映出这个领域的发展前景。文章12页,引文92篇。 The status of ambient temperature sodium ion batteries is reviewed in light of recent developments in anode, electrolyte and cathode materials. These devices, although early in their stage of development, are promising for large-scale grid storage applications due to the abundance and very low cost of sodium-containing precursors used to make the components. The engineering knowledge developed recently for highly successful Li ion batteries can be leveraged to ensure rapid progress in this area, although different electrode materials and electrolytes will be required for dual intercalation systems based on sodium. In particular, new anode materials need to be identifi ed, since the graphite anode, commonly used in lithium systems, does not intercalate sodium to any appreciable extent. A wider array of choices is available for cathodes, including high performance layered transition metal oxides and polyanionic compounds. Recent developments in electrodes are encouraging, but a great deal of research is necessary, particularly in new electrolytes, and the understanding of the SEI fi lms. The engineering modeling calculations of Na-ion battery energy density indicate that 210 Wh kg − 1 in gravimetric energy is possible for Na-ion batteries compared to existing Li-ion technology if a cathode capacity of 200 mAh g − 1 and a 500 mAh g − 1 anode can be discovered with an average cell potential of 3.3 V. 。[ 来自科研家族 材料家族 ] |
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2012-05-21 23:31:29, 1.36 M
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