Li Fei, Zou Yang, Wang Shaoyang, Fang Lei, Lutkenhaus Jodie L
Artie McFerrin Department of Chemical Engineering and Department of Materials Science and Engineering, Texas A&M University, College Station, TX, 77843-3122, USA.
Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA.
Macromol Rapid Commun. 2017 Sep;38(18). doi: 10.1002/marc.201700067. Epub 2017 Apr 7.
In this study, the authors report the highly efficient, multigram-scale synthesis of an ester-functionalized, poly(aniline-co-fluorene) polymer. The excellent solubility and film-forming ability of this polymer facilitate its application as a reversible battery cathode. Electrochemical quartz crystal microbalance with dissipation monitoring confirms a multi-electron transfer process, resulting in a specific discharge capacity of 51 mAh g and a high reversible doping level of 0.69. Galvanostatic cycling at 1 C demonstrates excellent electrode stability with a capacity retention of 95.2% after 100 cycles. Therefore, this work demonstrates a novel electroactive polymer that exemplifies how chemical functionality may be used to properly balance processability and electroactivity of macromolecular battery cathodes.
在本研究中，作者报道了一种酯官能化的聚（苯胺 - 芴）聚合物的高效、多克规模合成。这种聚合物优异的溶解性和成膜能力有利于其作为可逆电池阴极的应用。带有耗散监测的电化学石英晶体微天平证实了多电子转移过程，产生了51 mAh g的比放电容量和0.69的高可逆掺杂水平。在1 C下的恒电流循环显示出优异的电极稳定性，100次循环后容量保持率为95.2%。因此，这项工作展示了一种新型的电活性聚合物，例证了如何利用化学官能度来恰当地平衡高分子电池阴极的可加工性和电活性。
