Dipyridine compound, synthetic method, and symmetric liquid flow battery system thereof

The invention discloses a dipyridine compound, a synthesis method, and a symmetric liquid flow battery system thereof. The synthesis method of the dipyridine compound containing TEMPO comprises the following steps: under a strong alkali condition, reacting a compound A with 4-hydroxyl-2, 2, 6, 6-tetramethylpiperidine-1-oxygen free radicals to obtain a dipyridine compound B containing TEMPO, and the chemical reaction equation is shown as formula (1). The synthesis method of the dipyridine compound containing TEMPO is convenient in operation, and the obtained dipyridine compound containing TEMPOcan be taken as a positive electrode active substance and a negative electrode active substance of flow batteries. 本发明公开了一种联吡啶类化合物、合成方法及其对称性液流电池系统，含TEMPO的联吡啶类化合物的合成方法，包括：在强碱条件下，化合物A与4-羟基-2,2,6,6-四甲基哌啶-1-氧自由基进行反应，得到产物为含TEMPO的联吡啶类化合物B，其化学反应式如式(1)所示：该含TEMPO的联吡啶类化合物的合成方法操作方便，得到的含TEMPO的联吡啶类化合物能够作为液流电池的正极活性物质及负极活性物质。