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原位表征技术在水系有机液流电池中的研究进展
张永辉1,2(), 傅杰1, 李先锋2(), 张长昆2()
Research progress on in-situ characterization techniques for aqueous organic flow batteries
Yonghui ZHANG1,2(), Jie FU1, Xianfeng LI2(), Changkun ZHANG2()

图8. EPR谱图。a提出的反应机制。b EPR检测中间态自由基信号。c自由基浓度的倒数和时间的关系图来研究电化学反应产生的自由基[27]。d不同SOC电解液和它们相对应物种的自由基信号谱图。e 50% SOC电解液的自由基信号强度和放置一段时间后的信号强度对比。f 实验测得的和模拟的EPR谱图，根据模拟曲线得到相应的精细裂分常数并推测其可能的自由基离域的结构。g提出分子发生歧化反应的方程式[26]。

Fig.8. EPR images. a Proposed mechanism. b EPR detection for radical. c 1/c(radical) versus t plot to probe the reaction of the electrochemically generated radical anion [27]. d EPR spectra of different SOC electrolyte. e spectra of EPR intensity comparisons among 0 h, 16 h and 24 h. f The experiment and simulation EPR spectra. molecular structure used for the simulation is shown, together with its associated hyperfine coupling constants extracted from the simulation [26].