|Title||Improving the Capacity of Sodium Ion Battery Using a Virus-Templated Nanostructured Composite Cathode|
|Publication Type||Journal Article|
|Year of Publication||2015|
|Authors||Moradi, M, Li, Z, Qi, J, Xing, W, Xiang, K, Chiang, YM, Belcher, AM|
|Pagination||2917 - 2921|
In this work we investigated an energy-efficient biotemplated route to synthesize nanostructured FePO4 for sodium-based batteries. Self-assembled M13 viruses and single wall carbon nanotubes (SWCNTs) have been used as a template to grow amorphous FePO4 nanoparticles at room temperature (the active composite is denoted as Bio-FePO4-CNT) to enhance the electronic conductivity of the active material. Preliminary tests demonstrate a discharge capacity as high as 166 mAh/g at C/10 rate, corresponding to composition Na0.9FePO4, which along with higher C-rate tests show this material to have the highest capacity and power performance reported for amorphous FePO4 electrodes to date.