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基于聚合物脱卤策略绿色合成氧化硼掺杂碳及其高效O2还原制H2O2
密度泛函理论计算模拟表明: 在碳基体中插入B-O物种可以显著提高其通过2e−氧化还原反应(ORR)电化学合成H2O2的催化性能,并且BC2O结构中的B原子表现为最活跃的位点,在吸附O2的氢化过程中获得最低的吉布斯自由能差(ΔG)0.03 eV;而没有与氧原子相连或者与两个氧原子相连的B原子则具有较大的ΔG(分别为0.08和0.10 eV)。
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