The application of S, N co-doped biomass carbon-based FeCoNi bifunctional electrocatalysis in zinc-air battery

IF 4.9 2区化学 Q2 CHEMISTRY, PHYSICAL

Colloids and Surfaces A: Physicochemical and Engineering Aspects Pub Date : 2024-11-26 DOI:10.1016/j.colsurfa.2024.135844

Jiankun Li , Shang Wu , Jincai Yang , Shuo Tian , Xin Sun , Jiajia Wang , Lulu Han , Xia Wang , Shuhe Kang , Quanlu Yang

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引用次数: 0

Abstract

The development of efficient Oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) bifunctional catalysts from biomass is of significant importance for the commercial application of zinc-air batteries (ZABs). Herein, a bifunctional catalyst (FeCoNi@SNC) is successfully synthesized through introducing Fe, Co and Ni atoms, fish scale-derived carbon (C_FS) as the precursor, thiourea and dicyandiamide (DCDA) as the S and N sources, respectively. More importantly, FeCoNi@SNC is identified as a composite material containing FeCo, FeNi₃ and metal sulfides. A large number of fluffy carbon nanotubes are induced to grow on the C_FS surface by metal nanoparticles, while M-N, M-O and M-S are formed. The catalytic performance is positively influenced by the unique morphology and different active sites of FeCoNi@SNC. To our delight, FeCoNi@SNC exhibits excellent catalytic activity in both ORR (E_1/2=0.85 V) and OER (E_j=10= 1.556 V). As a cathode in zinc-air batteries, FeCoNi@SNC possesses significant potential with a peak power density of 146.9 mW cm⁻², a specific capacity of 706.9 mAh g⁻¹, and an open circuit voltage of 1.525 V. A novel approach is provided by this work for designing biomass-derived ORR/OER bifunctional catalysts and their application in zinc-air batteries.

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S， N共掺杂生物质碳基FeCoNi双功能电催化在锌-空气电池中的应用

从生物质中开发高效氧还原反应（ORR）和析氧反应（OER）双功能催化剂对锌空气电池（ZABs）的商业化应用具有重要意义。本文通过引入Fe、Co和Ni原子，鱼鳞衍生碳（CFS）为前驱体，硫脲和双氰胺（DCDA）分别为S源和N源，成功合成了双功能催化剂（FeCoNi@SNC）。更重要的是，FeCoNi@SNC被鉴定为含有FeCo、FeNi3和金属硫化物的复合材料。金属纳米颗粒诱导CFS表面生长出大量蓬松的碳纳米管，形成M-N、M-O和M-S。FeCoNi@SNC独特的形态和不同的活性位点对催化性能有积极的影响。令我们高兴的是，FeCoNi@SNC在ORR （E1/2=0.85 V）和OER （Ej=10= 1.556 V）中均表现出优异的催化活性。作为锌空气电池的阴极，FeCoNi@SNC具有显著的电位，峰值功率密度为146.9 mW cm−2，比容量为706.9 mAh g−1，开路电压为1.525 V。本研究为生物质衍生ORR/OER双功能催化剂的设计及其在锌空气电池中的应用提供了一条新途径。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Colloids and Surfaces A: Physicochemical and Engineering Aspects 化学-物理化学

CiteScore

8.70

自引率

9.60%

发文量

2421

审稿时长

56 days

期刊介绍： Colloids and Surfaces A: Physicochemical and Engineering Aspects is an international journal devoted to the science underlying applications of colloids and interfacial phenomena. The journal aims at publishing high quality research papers featuring new materials or new insights into the role of colloid and interface science in (for example) food, energy, minerals processing, pharmaceuticals or the environment.