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Facile synthesis of MoP-Ru2P on porous N, P co-doped carbon for efficiently electrocatalytic hydrogen evolution reaction in full pH range
Applied Catalysis B: Environment and Energy ( IF 22.1 ) Pub Date : 2021-11-02 , DOI: 10.1016/j.apcatb.2021.120879
Yuxiao Gao 1 , Zhi Chen 1 , Ying Zhao 1 , Wenli Yu 1 , Xianliang Jiang 1 , Maoshuai He 1 , Zhenjiang Li 2 , Tianyi Ma 3 , Zexing Wu 1 , Lei Wang 1
Affiliation  

Developing efficient, novel and pH-universal electrocatalysts toward hydrogen evolution reaction (HER) is a challenging and meaningful task for the large-scale and practical hydrogen application via electrocatalytic overall water-splitting. Herein, we propose one-pot strategy to prepare MoP and Ru2P nanoparticles supported on N, P co-doped carbon (MoP-Ru2P/NPC) with porous nanostructures. Benefiting from overly specific characters, the synthetical MoP-Ru2P/NPC displays low overpotentials of 47 mV, 126 mV and 82 mV to obtain 10 mA cm−2 in alkaline, neutral and acid electrolytes as well as remarkable stability. Moreover, a low cell voltage (1.49 V) is required to spur 10 mA cm−2 for full water-splitting in 1 M KOH with the MoP-Ru2P/NPC and commercial NiFe foam as the cathode and anode, respectively. Remarkably, the intermittent sustainable energies, including wind, solar and thermal energies, can drive hydrogen generation directly and then stored them accordingly.



中文翻译:

在多孔 N、P 共掺杂碳上轻松合成 MoP-Ru2P,可在全 pH 范围内有效地进行电催化析氢反应

开发用于析氢反应(HER)的高效、新颖和 pH 值通用的电催化剂对于通过电催化整体水分解进行大规模和实际的氢应用是一项具有挑战性和意义的任务。在此,我们提出了一锅法来制备负载在具有多孔纳米结构的N, P 共掺杂碳 (MoP-Ru 2 P/NPC)上的MoP 和 Ru 2 P 纳米粒子。受益于过于特殊的特性,合成的 MoP-Ru 2 P/NPC在碱性、中性和酸性电解质中显示出 47 mV、126 mV 和 82 mV 的低过电位,以获得 10 mA cm -2以及显着的稳定性。此外,需要低电池电压 (1.49 V) 来刺激 10 mA cm -2分别以 MoP-Ru 2 P/NPC 和商用 NiFe 泡沫作为阴极和阳极,在 1 M KOH 中进行完全水分解。值得注意的是,间歇性可持续能源,包括风能、太阳能和热能,可以直接驱动氢气产生,然后相应地存储它们。

更新日期:2021-11-16
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