4 years ago

Commercial Prospects of Existing Cathode Materials for Sodium Ion Storage

Commercial Prospects of Existing Cathode Materials for Sodium Ion Storage
Shu-Lei Chou, Florian Gebert, Wanlin Wang, Chao Han, Shi-Xue Dou, Wei-Jie Li, Xinhe Zhang, Hua-Kun Liu
Sodium ion batteries (SIBs) have recently attracted considerable attention and are considered as an alternative to lithium ion batteries (LIBs), owing to the cheap price and abundance of sodium resources. However, the commercialization of SIBs has so far been impeded by the low energy density and unstable cycle life of electrodes, especially as cathodes. Although some cathode candidates with a stable cycle life and high energy density have been developed using nanotechnologies, the commercial feasibility is seldom taken into account. This research news article provides an insight into the commercial prospects of existing cathode materials for SIBs in terms of environmental friendliness, manufacturing cost, synthesis methods and electrochemical performance. The commercial feasibility of existing cathode materials for sodium ion storage, in terms of environmental friendliness, manufacturing costs, synthetic methods and electrochemical performance, is summarised. As a result, O3-Na0.9[Cu0.22Fe0.30Mn0.48]O2, P2-Na2/3[Fe1/2Mn1/2]O2, Tunnel-Na0.61[Mn0.27Fe0.34Ti0.39]O2, NaxFe[Fe(CN)6], NaxMn[Fe(CN)6], maricite-NaFePO4 and Na4Fe3(PO4)2P2O7 are considered candidates which possess the most realistic commercial prospect for SIBs.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/aenm.201700274

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