钠离子电池用钠离子超导体型 NaFe(PO )中 Fe/Fe 氧化还原对的可逆性得到改善。
Improved Reversibility of Fe /Fe Redox Couple in Sodium Super Ion Conductor Type Na Fe (PO ) for Sodium-Ion Batteries.
机构信息
Center for Programmable Materials, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.
Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW, 2522, Australia.
出版信息
Adv Mater. 2017 Mar;29(12). doi: 10.1002/adma.201605694. Epub 2017 Jan 23.
The methodology employed here utilizes the sodium super ion conductor type sodium iron phosphate wrapped with conducting carbon network to generate a stable Fe /Fe redox couple, thereby exhibiting higher operating voltage and energy density of sodium-ion batteries. This new class of sodium iron phosphate wrapped by carbon also displays a cycling stability with >96% capacity retention after 200 cycles.
这里采用的方法学利用了钠离子超离子导体型的磷酸铁钠包裹导电碳网络，以生成稳定的 Fe/Fe 氧化还原对，从而展现出更高的工作电压和能量密度的钠离子电池。这种新型的碳包裹的磷酸铁钠还表现出循环稳定性，在 200 次循环后具有 >96%的容量保持率。
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