氮掺杂荷梗衍生分级多孔碳负载Co纳米颗粒的氧电催化剂在锌-空气电池中的研究

doi:10.11896/cldb.25040270

材料导报

2026, Vol. 40

Issue (10): 25040270-7 https://doi.org/10.11896/cldb.25040270

无机非金属及其复合材料

氮掺杂荷梗衍生分级多孔碳负载Co纳米颗粒的氧电催化剂在锌-空气电池中的研究

刘行, 朱旭, 彭悦, 郭亚婷, 刘培涛^*, 冯爱玲^*

宝鸡文理学院物理与光电技术学院,陕西宝鸡 721016

Nitrogen-doped Lotus Stem-derived Hierarchical Porous Carbon Loaded Co Nanoparticles as Oxygen Electrocatalysts in Zinc-Air Batteries

LIU Xing, ZHU Xu, PENG Yue, GUO Yating, LIU Peitao^*, FENG Ailing^*

Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, Shaanxi, China

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摘要锌-空气电池(ZABs)因其高理论能量密度、低成本、绿色环保和优异的安全性,受到研究者的广泛关注。然而,锌-空气电池的空气阴极的动力学过程反应缓慢,限制了其商业化。本工作以天然生物质荷梗为碳前驱体,通过ZnCl₂化学活化法调控多级孔道结构,采用一步热解法成功制备了氮掺杂碳管负载钴纳米颗粒的电催化剂(Co-NC)。ZnCl₂优化后的荷梗结构、氮掺杂碳管中的吡啶氮和吡咯氮以及均匀分散的钴纳米颗粒为氧还原反应(ORR)和析氧反应(OER)提供了大量的活性位点。Co-NC催化剂表现出较好的ORR(E_1/2,0.82 V)和OER(E_{j=10 mA·cm}^-2,300 mV)催化活性。此外,以Co-NC组装的液态ZABs具有1.5 V的开路电压、776.6 mAh·g^-1_Zn的比容量以及94 h的循环稳定性。本研究为开发生物质衍生碳材料用作电催化剂提供了新的思路。

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关键词: 荷梗氮掺杂碳氧还原反应析氧反应双功能催化剂锌-空气电池

Abstract: Zinc-air batteries(ZABs) have garnered extensive attention from researchers due to their high theoretical energy density, low cost, environmental friendliness, and excellent safety. However, the dynamic process of the air cathode in ZABs is relatively slow, which limits their commercialization. In this study, natural biomass lotus stem was used as a carbon precursor, and a ZnCl₂ chemical activation method was employed to modulate the hierarchical pore structure. A one-step pyrolysis method was successfully utilized to prepare a nitrogen-doped carbon tube-supported cobalt nanoparticles electrocatalyst (Co-NC). The optimized lotus stem structure with ZnCl₂, the pyridinic and pyrrolic nitrogen in the nitrogen-doped carbon tubes, and the uniformly dispersed cobalt nanoparticles provide a substantial number of active sites for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). The Co-NC catalyst exhibited good catalytic activity for ORR (E_1/2, 0.82 V) and OER (overpotential of 300 mV at 10 mA·cm^-2). Furthermore, the liquid ZABs assembled with Co-NC displayed an open-circuit voltage of 1.5 V, a specific capacity of 776.6 mAh·g^-1_Zn, and a cycling stability of 94 hours. This research offers new insights for the development of biomass-derived carbon materials as electrocatalysts.

Key words: lotus stem nitrogen-doped carbon oxygen reduction reaction oxygen evolution reaction bifunctional oxygen electrocatalyst zinc-air battery

发布日期: 2026-06-03

ZTFLH:	G31
	TK02

基金资助: 陕西省“三秦学者”创新团队项目(陕西东岭冶炼有限公司清洁能源材料与高性能器件创新团队);陕西省自然科学基金(202300311;202300276);宝鸡文理学院重点项目(209040127;209040129;ZK2018051);陕西省教育厅科研专项项目(202310561;21JK0478);陕西省教育厅专项自然科学研究计划(24JK0295);陕西省青年千人计划;宝鸡市科技创新高层次领军人才;宝鸡市材料物理与功能器件重点实验室

通讯作者: *刘培涛,博士,宝鸡文理学院讲师。目前主要研究方向为新能源的存储与转化、金属-空气电池、光电催化。liupt@bjwlxy.edu.cn;冯爱玲,博士,宝鸡文理学院教授、硕士研究生导师。目前主要从事清洁能源材料与高性能器件的研制、能源存储与转换器件开发与产业化等方面的研究。ailingfeng@bjwlxy.edu.cn

作者简介: 刘行,宝鸡文理学院物理与光电技术学院硕士研究生,在冯爱玲教授的指导下研究非贵金属催化剂和双网络水凝胶的制备及在锌-空气电池中的应用。

引用本文:

刘行, 朱旭, 彭悦, 郭亚婷, 刘培涛, 冯爱玲. 氮掺杂荷梗衍生分级多孔碳负载Co纳米颗粒的氧电催化剂在锌-空气电池中的研究[J]. 材料导报, 2026, 40(10): 25040270-7.
LIU Xing, ZHU Xu, PENG Yue, GUO Yating, LIU Peitao, FENG Ailing. Nitrogen-doped Lotus Stem-derived Hierarchical Porous Carbon Loaded Co Nanoparticles as Oxygen Electrocatalysts in Zinc-Air Batteries. Materials Reports, 2026, 40(10): 25040270-7.

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https://www.mater-rep.com/CN/10.11896/cldb.25040270 或 https://www.mater-rep.com/CN/Y2026/V40/I10/25040270

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