articleAdvanced Functional MaterialsFeb 4, 2024HYBRID OA

Hetero MOF‐On‐MOF of Ni‐BDC/NH 2 ‐MIL‐88B(Fe) Enables Efficient Electrochemical Seawater Oxidation

YBYanji BaoHRHaifeng RuYWYifeng WangKZKexi ZhangRYRentong Yu

Hainan University · Hainan Medical University · +2 more institutions

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Abstract

Abstract Seawater electrolysis is a sustainable technology for producing hydrogen that would neither cause global freshwater shortages nor create carbon emissions. However, this technology is severely hampered by the insufficient stability and the competition from the chlorine evolution reaction (ClER) in actual application. Herein, a metal–organic framework (MOF)‐on‐MOF heterojunction (Ni‐BDC/NH 2 ‐MIL‐88B(Fe)) denoted as (Ni‐BDC/NM88B(Fe)) is synthesized as an effective oxygen evolution reaction (OER) electrocatalyst for high‐performance seawater electrolysis, which exhibits a long stability of 200 h and low overpotentials of 232 and 299 mV at 100 mA cm −2 in alkaline freshwater and seawater solution,…

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Topics & keywords

Topics
Keywords
  • Oxygen evolution
  • Materials science
  • Electrocatalyst
  • Seawater
  • Electrochemistry
  • Electrolysis
  • Chemical engineering
  • Metal-organic framework
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