Nickel--rhodium (3/1) | 61230-14-6

• 分子结构分类: 无机化合物 - 均相金属化合物 - 均相过渡金属化合物
• 英文名称: Nickel--rhodium (3/1)
• 英文别名: nickel;rhodium
• CAS: 61230-14-6
• 化学式: Ni₃Rh
• 分子量: 278.976
• InChiKey: ZMWJMNRNTMMKBX-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.01
• 重原子数：
  4
• 可旋转键数：
  0
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  0

反应信息

• 作为产物：
  描述：

  rhodium(III) chloride trihydrate 、 nickel(II) chloride hexahydrate 在 sodium tetrahydroborate 作用下， 以 水 为溶剂， 反应 0.25h， 生成 Nickel--rhodium (3/1)
  参考文献：
  名称：

  NiRh nanosponges with highly efficient electrocatalytic performance for hydrogen evolution reaction

  摘要：

  The development of Ni-based nanoalloys has been extensively explored due to their low cost, high activity, and durability in the hydrogen evolution reaction (HER). Structural design of Ni-based nanoalloys is a promising approach to attain excellent electrocatalytic activity as well as stability of these catalysts. This study reports a facile method to prepare NixRhy nanosponges while using NaBH4 as a reducing agent without any surfactant. The ratio of Ni and Rh has been changed to obtain various NixRhy electrocatalysts (Ni, Ni3Rh1, Ni1Rh1, Nt(1)Rh(3), and Rh), respectively. Among the prepared catalysts, Ni1Rh3 electrocatalyst exhibits a high electrocatalytic activity with an overpotential of 48 mV at a current density of -10 mA cm(-2) and a superior stability even after 2000 cycles of CV in 0.5 MH2SO4 electrolyte. In addition, the Ni1Rh3 electrocatalyst shows good electrocatalytic activity in 1.0 M KOH electrolyte compared to commercial Pt/C (20 wt% of Pt) (c-Pt/C). Moreover, the overall water splitting system of the Ni1Rh3 cathode and the commercial RuO2 anode is evaluated, not only exhibiting excellent performance with a potential of 1.52 Vat a current density of 10 mA cm(-2), but also proving very stable operation for over 100,000 s in 1.0 M KOH electrolyte. (C) 2019 Elsevier B.V. All rights reserved.

  DOI：

  10.1016/j.jallcom.2019.03.003

文献信息

• NiRh nanosponges with highly efficient electrocatalytic performance for hydrogen evolution reaction
  作者：Ngoc-Anh Nguyen、Van-Toan Nguyen、Sangho Shin、Ho-Suk Choi

  DOI：10.1016/j.jallcom.2019.03.003

  日期：2019.6

  The development of Ni-based nanoalloys has been extensively explored due to their low cost, high activity, and durability in the hydrogen evolution reaction (HER). Structural design of Ni-based nanoalloys is a promising approach to attain excellent electrocatalytic activity as well as stability of these catalysts. This study reports a facile method to prepare NixRhy nanosponges while using NaBH4 as a reducing agent without any surfactant. The ratio of Ni and Rh has been changed to obtain various NixRhy electrocatalysts (Ni, Ni3Rh1, Ni1Rh1, Nt(1)Rh(3), and Rh), respectively. Among the prepared catalysts, Ni1Rh3 electrocatalyst exhibits a high electrocatalytic activity with an overpotential of 48 mV at a current density of -10 mA cm(-2) and a superior stability even after 2000 cycles of CV in 0.5 MH2SO4 electrolyte. In addition, the Ni1Rh3 electrocatalyst shows good electrocatalytic activity in 1.0 M KOH electrolyte compared to commercial Pt/C (20 wt% of Pt) (c-Pt/C). Moreover, the overall water splitting system of the Ni1Rh3 cathode and the commercial RuO2 anode is evaluated, not only exhibiting excellent performance with a potential of 1.52 Vat a current density of 10 mA cm(-2), but also proving very stable operation for over 100,000 s in 1.0 M KOH electrolyte. (C) 2019 Elsevier B.V. All rights reserved.