S-Doped three-dimensional graphene (S-3DG): a metal-free electrocatalyst for the electrochemical synthesis of ammonia under ambient conditions

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S-Doped three-dimensional graphene (S-3DG): a metal-free electrocatalyst for the electrochemical synthesis of ammonia under ambient conditions

机译：S掺杂的三维石墨烯（S-3DG）：在环境条件下，用于电化学合成氨的无金属电催化剂

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In this study, we report sulfur-doped three-dimensional graphene (S-3DG) as a metal-free electrocatalyst for N-2 reduction reaction (NRR) under ambient conditions. Due to the high electron transport capacity and stable physicochemical properties of 3DG, it was utilized to improve the NRR catalytic performance dramatically. Hence, in 0.05 M H2SO4 the S-3DG achieved a remarkably large NH3 yield of 38.81 mu g(NH3) mg(cat)(-1) h(-1) and a high faradaic efficiency of 7.72% at -0.6 V versus a reversible hydrogen electrode (RHE), which is superior to most non-metal catalysts. Notably, it shows such outstanding selectivity that no hydrazine by-products were detected and the electrochemical stability passed a long-term durability test.

机译：在该研究中，在环境条件下，我们将硫掺杂的三维石墨烯（S-3DG）作为无金属电催化剂进行N-2还原反应（NRR）。由于高电子传输能力和3DG的物理化学性质，利用它显着提高了NRR催化性能。因此，在0.05μmH2SO4中，S-3DG实现了38.81μg（NH 3）Mg（CAT）（ - 1）H（-1）的显着大的NH 3产率，并且在-0.6V的高7.72％的高射线效率与a 可逆氢电极（RHE）优于大多数非金属催化剂。值得注意的是，它显示出这样的优异选择性，即没有检测到肼副产物并且电化学稳定性通过了长期耐久性测试。

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《Dalton transactions: An international journal of inorganic chemistry》 |2020年第7期|共6页
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中图分类化学;无机化学;
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1. S-Doped three-dimensional graphene (S-3DG): a metal-free electrocatalyst for the electrochemical synthesis of ammonia under ambient conditions [J] . Dalton transactions: An international journal of inorganic chemistry . 2020,第7期

机译：S掺杂的三维石墨烯（S-3DG）：在环境条件下，用于电化学合成氨的无金属电催化剂
2. Top-down synthesis of S-doped graphene nanosheets by electrochemical exfoliation of graphite: Metal-free bifunctional catalysts for oxygen reduction and evolution reactions [J] . Lee Jinheui, Noh Sunguk, Nhan Duy Pham, Electrochimica Acta . 2019,第期

机译：通过石墨的电化学剥离自上而下的S-掺杂石墨烯纳米片的整体合成：无金属双官能催化剂用于氧还原和进化反应
3. Three-dimensional phosphorus-doped graphene as an efficient metal-free electrocatalyst for electrochemical sensing [J] . Ye Tian, Zhen Wei, Kehui Zhang, Sensors and Actuators . 2017,第mara期

机译：三维磷掺杂石墨烯作为电化学传感的高效无金属电催化剂
4. ELECTROCHEMICAL SYNTHESIS OF AMMONIA UNDER AMBIENT CONDITIONS USING NOVEL SOLVENTS WITH HIGH NITROGEN SOLUBILITY AND WIDE ELECTROCHEMICAL WINDOW [C] . Kwiyong Kim, Hyung Chul Yoon, Jong-In Han ACS National Meeting Exhibition . 2016

机译：具有高氮溶解度和宽电化学窗口的新型溶剂在环境条件下氨的电化学合成
5. Impact of Substrate on the Chemical Reactivity of Graphene and Synthesis of Three-Dimensional Graphene-Mnox Catalyst Composite [D] . Yang, Xiaojian. 2020

机译：基材对石墨烯化学反应性的影响及三维石墨烯-MNOX催化剂复合材料的化学反应性
6. High-performance artificial nitrogen fixation at ambient conditions using a metal-free electrocatalyst [O] . Weibin Qiu, Xiao-Ying Xie, Jianding Qiu, -1

机译：使用无金属的电催化剂在环境条件下进行高性能人工固氮
7. Enhancing the rate of electrochemical nitrogen reduction reaction for ammonia synthesis under ambient conditions using hollow gold nanocages [O] . Mohammadreza Nazemi, Sajanlal R. Panikkanvalappil, Mostafa A. El-Sayed 2018

机译：使用中空金纳纳米物质在环境条件下提高氨合成的电化学氮还原反应速率
8. BCN Graphene as Efficient Metal-Free Electrocatalyst for the Oxygen Reduction Reaction. [R] . Wang, S., Zhang, L., Xia, Z., 2012

机译：BCN石墨烯作为氧还原反应的高效无金属电催化剂。

S-Doped three-dimensional graphene (S-3DG): a metal-free electrocatalyst for the electrochemical synthesis of ammonia under ambient conditions

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