2021年3月15日，我院黄俊杰教授在化学领域重要期刊《Applied Surface Science》（2020年影响因子IF为6.182）在线发表题为Tetraphenylbiphenyldiamine: Insight into anion storage mechanism as a cathode in dual ion batteries”的学术成果（文章链接 https://doi.org/10.1016/j.apsusc.2020.148581）。
Dual ion batteries (DIBs) that involve the intercalation/deintercalation behavior of cations and anions present considerable application prospect in large-scale energy storage applications. However, the large size of anions has restricted its reversible intercalation in the cathode of DIBs efficiently. Here we propose N,N,N’,N’-tetraphenyl-1,1’-biphenyl-4,4’-diamine (TPB) with large π-electron conjugate system and amino redox groups as the cathode material in DIBs for the first time. TPB displays the reversible capacity of 77.4 and 52 mAh g-1 at the current density of 50 and 1000 mA g-1 respectively, and the capacity retention of 61% after 450 cycles at 50 mA g-1. The PF6- storage mechanism of TPB has been revealed by molecular structure evolution, quantitative kinetics and theoretical calculations, which indicate TPB presents the redox activity to form/break the C=N+ bond for storing PF6- around the N and the C atoms of biphenyl groups reversibly.