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材料导报  2024, Vol. 38 Issue (12): 23010013-5    https://doi.org/10.11896/cldb.23010013
  无机非金属及其复合材料 |
基于N,P共掺杂碳纳米片的富S空位Co/Co9S8复合物作为双功能催化剂用于可充锌-空气电池
陈亚楠, 刘培涛*, 祖延清, 韩逢博, 李晓东, 毕鹏飞, 冯爱玲*
宝鸡文理学院物理与光电技术学院,陕西 宝鸡 721016
S-Vacancy-Rich Co/Co9S8 Composites Based on N, P Co-doped Carbon Nanosheets as a Bifunctional Catalyst for Rechargeable Zn-Air Battery
CHEN Yanan, LIU Peitao*, ZU Yanqing, HAN Fengbo, LI Xiaodong, BI Pengfei, FENG Ailing*
Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, Shaanxi, China
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摘要 锌-空气电池由于理论能量密度高、环境友好和安全性高等特性,受到了广泛关注。但锌-空气电池的性能受到阴极氧还原反应(ORR)/析氧反应(OER)缓慢动力学的限制,因此,开发高效双功能催化剂至关重要。采用简单的一步烧结法制备了基于N,P共掺杂碳纳米片的富S空位Co/Co9S8复合物(Co/Co9S8@N,P-C)。利用X射线衍射仪和透射电子显微镜等分析其精细结构和形貌,结果表明,基于N,P共掺杂碳纳米片的Co/Co9S8复合物被成功合成。X射线光电子能谱和电子自旋共振等结果表明,富S空位的Co/Co9S8纳米复合物被成功合成。电化学测试结果表明,该纳米复合材料表现出优异的ORR和OER双功能催化活性(ΔE=0.73 V)。与基于Pt/C+Ir/C贵金属作为阴极催化剂的锌-空气电池相比,以富S空位的Co/Co9S8@N,P-C作为阴极催化剂的锌-空气电池具有1.48 V的开路电压(Pt/C+Ir/C:1.46 V)、80 mW·cm-2的功率密度(Pt/C+Ir/C:87.3 mW·cm-2)以及约170 h的循环稳定性(Pt/C+Ir/C:147 h)。本工作为合理设计用于锌-空气电池的非贵金属基双功能催化剂提供了新的思路。
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陈亚楠
刘培涛
祖延清
韩逢博
李晓东
毕鹏飞
冯爱玲
关键词:  硫空位  析氧反应  氧还原反应  双功能催化剂  锌-空气电池    
Abstract: Rechargeable Zn-air battery has attracted widespread attention due to the high theoretical energy density, environmental friendliness and safety. However, the performance of Zn-air battery was limited by the slow kinetics of oxygen reduction reaction (ORR)/oxygen evolution reaction (OER) on the cathodic electrode. Therefore, it is important to develop efficient bifunctional catalysts. In this work, S-vacancy-rich Co/Co9S8 composites based on N, P co-doped carbon nanosheets (Co/Co9S8@N, P-C) was prepared by a simple one-step sintering method. X-ray diffractometer and transmission electron microscopy were used to analyze the crystalline structure and fine morphology. And the results show that Co/Co9S8 composites based on N, P co-doped carbon nanosheets were successfully prepared. The results of X-ray photoelectron spectroscopy and electron spin resonance showed that Co/Co9S8 nanocomposites with S-vacancy-rich were synthesized. The results of electrochemical testing indicate that the nanocomposites exhibit excellent ORR and OER bifunctional catalytic activity (ΔE=0.73 V). Compared with Zn-air battery prepared based on Pt/C+Ir/C catalyst as cathode, Zn-air battery prepared with S-vacancy-rich containing Co/Co9S8@N, P-C as cathode catalysts have 1.48 V open-circuit voltage (Pt/C+Ir/C:1.46 V), the power density of 80 mW·cm-2 (Pt/C+Ir/C:87.3 mW·cm-2) and 170 h cycle stability (Pt/C+Ir/C:146 h). This work provides a new idea for rational design of non-noble metal bifunctional catalysts for Zn-air battery.
Key words:  sulfur vacancy    oxygen evolution reaction    oxygen reduction reaction    bifunctional oxygen electrocatalyst    Zn-air battery
出版日期:  2024-06-25      发布日期:  2024-07-17
ZTFLH:  G31  
  TK02  
基金资助: 陕西省“三秦学者”创新团队支持计划(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);国家自然科学基金(51801001);陕西省重点研发计划(2019GY-197);陕西省自然科学基础研究计划(2015JM5215);中国博士后科学基金面上项目(2016M601878);宝鸡市科技计划项目(16RKX1-29);陕西省教育厅科研专项项目(21JK0478);宝鸡文理学院重点项目(209040127);陕西省千人计划青年项目;宝鸡市材料物理与功能器件重点实验室
通讯作者:  *冯爱玲,宝鸡文理学院教授、硕士研究生导师,宝鸡市材料物理与功能器件重点实验室主任。2002年长安大学应用化学系工业分析专业本科毕业,2005年第四军医大学药学系药物化学专业硕士毕业,2011年西安交通大学材料科学与工程专业博士毕业。2012年4月至2015年5月在西安交通大学从事博士后研究工作。2015年5月进入宝鸡文理学院物理与光电技术学院工作至今。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和产业化等方面的研究工作。主要研究成果已在Scientific Reports、Composites Part B、Nanomaterials、Carbon及Journal of Alloys and Compounds等国内外知名期刊上发表学术论文60余篇。liupt@bjwlxy.edu.cn;ailingfeng@bjwlxy.edu.cn   
作者简介:  陈亚楠,2020年毕业于山西师范大学现代文理学院,获得理学学士学位。现为宝鸡文理学院硕士研究生,导师为冯爱玲教授。目前主要研究领域为锌-空气电池。
引用本文:    
陈亚楠, 刘培涛, 祖延清, 韩逢博, 李晓东, 毕鹏飞, 冯爱玲. 基于N,P共掺杂碳纳米片的富S空位Co/Co9S8复合物作为双功能催化剂用于可充锌-空气电池[J]. 材料导报, 2024, 38(12): 23010013-5.
CHEN Yanan, LIU Peitao, ZU Yanqing, HAN Fengbo, LI Xiaodong, BI Pengfei, FENG Ailing. S-Vacancy-Rich Co/Co9S8 Composites Based on N, P Co-doped Carbon Nanosheets as a Bifunctional Catalyst for Rechargeable Zn-Air Battery. Materials Reports, 2024, 38(12): 23010013-5.
链接本文:  
http://www.mater-rep.com/CN/10.11896/cldb.23010013  或          http://www.mater-rep.com/CN/Y2024/V38/I12/23010013
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