Upcycling Industrial Resin to Transition Metal-Modulated N-Doped Carbon Electrocatalysts for Durable Oxygen Evolution Reaction

被引:0
作者
Ge, Junwei [1 ]
Zhong, Jiajing [2 ,3 ]
Chen, Sijie [2 ,3 ]
Wu, Zhaohan [2 ,3 ]
Li, Yong [4 ]
He, Wenjun [1 ]
Zheng, Weiran [2 ,3 ,5 ]
机构
[1] SINOPEC Shanghai Res Inst Petrochem Technol, State Key Lab Green Chem Engn & Ind Catalysis, Shanghai 201208, Peoples R China
[2] Guangdong Technion Israel Inst Technol, Dept Chem, Shantou 515063, Peoples R China
[3] Technion Israel Inst Technol, IL-32000 H_efa, Israel
[4] Anhui Polytech Univ, Sch Mat Sci & Engn, Wuhu 241000, Peoples R China
[5] Guangdong Technion Israel Inst Technol, Guangdong Prov Key Lab Mat & Technol Energy Conver, Shantou 515063, Peoples R China
来源
ACS APPLIED ENGINEERING MATERIALS | 2025年 / 3卷 / 03期
关键词
resin; oxygen evolution reaction; electrocatalysis; transition metal doping; nitrogen-doped carbon; ION-EXCHANGE-RESINS; NANOPARTICLES; PARAMETERS; SIZE;
D O I
10.1021/acsaenm.5c00053
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
For rational electrocatalyst design toward efficiency and durability, supports with high conductivity and well-defined structures that can host active sites firmly are highly demanded. In this study, we report a scalable approach to synthesize nitrogen-doped carbon-based (NC) electrocatalysts modulated with transition metals (Ni, Fe, Co, and NiFe) from cheap industrial ion-exchange resins. The rigid nitrogen-rich, uniform composition of the resin leads to a porous NC framework that can host metal sites with optimized mass transfer via the pores. Ni@NC, Fe@NC, and Co@NC demonstrate comparable OER activity, and an optimized metal loading is suggested, achieving the balance between site efficiency and total site number (e.g., 2 wt % for Ni@NC). Further tuning of the metallic composition produced NiFe@NC with improved activity and remarkable stability during 100 h of electrolysis, benefiting from enhanced nanoparticle dispersion and structural integrity. This work provides a sustainable and cost-effective solution for electrocatalyst design by valorizing industrial resin, advancing environmental sustainability, and developing high-performance materials for renewable energy technologies.
引用
收藏
页码:718 / 727
页数:10
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