Preparation of a Nitrogen-Doped Reduced Graphene Oxide-Modified Graphite Felt Electrode for VO<sup>2+</sup>/VO<sub>2</sub><sup>+</sup> Reaction by Freeze-Drying and Pyrolysis Method

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Samples</td><td class="align_center">Coulombic efficiency (%)</td><td class="align_center">Voltage efficiency (%)</td><td class="align_center">Energy efficiency (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Air-heated GF</td><td class="align_center">92.62</td><td class="align_center">81.43</td><td class="align_center">75.42</td></tr><tr><td class="align_left">N-rGO-500/GF</td><td class="align_center">93.07</td><td class="align_center">80.98</td><td class="align_center">75.37</td></tr><tr><td class="align_left">N-rGO-700/GF</td><td class="align_center">91.90</td><td class="align_center">80.07</td><td class="align_center">73.59</td></tr><tr><td class="align_left">N-rGO-900/GF</td><td class="align_center">92.09</td><td class="align_center">82.62</td><td class="align_center">76.08</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Efficiency of cells equipped with different electrodes.</div>

Journal of Chemistry

tab6

Table 6

Table 6: Preparation of a Nitrogen-Doped Reduced Graphene Oxide-Modified Graphite Felt Electrode for VO<sup>2+</sup>/VO<sub>2</sub><sup>+</sup> Reaction by Freeze-Drying and Pyrolysis Method 

Table 6 | Preparation of a Nitrogen-Doped Reduced Graphene Oxide-Modified Graphite Felt Electrode for VO2+/VO2+ Reaction by Freeze-Drying and Pyrolysis Method 