通过溶液吹纺法由聚丙烯腈/聚乙烯吡咯烷酮共混物制备碳纤维以抑制铅酸电池析氢

Carbon Fibers from PAN/PVP Blends by Solution Blow Spinning to Suppress Hydrogen Evolution in Lead-Acid Batteries.

作者信息

Lopes Caio M S, Cruz Juan P S, Raimundo Rafael A, Silva Vinícius D, Ribeiro Rogério T, Macedo Daniel A, Vilar Eudésio O, Brito Gilberto A O, Medeiros Eliton S

机构信息

Department of Materials Science and Engineering, UFPB, João Pessoa 58051-900, Brazil.

Materials and Biosystems Laboratory (LAMAB), DEMAT, UFPB, João Pessoa 58051-900, Brazil.

出版信息

ACS Omega. 2025 Apr 22;10(17):17353-17360. doi: 10.1021/acsomega.4c10531. eCollection 2025 May 6.

DOI:10.1021/acsomega.4c10531

PMID:40352497

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12059894/

Abstract

In this work, carbon fibers were produced using the solution blow spinning (SBS) technique from polyacrylonitrile (PAN) blended with 0, 2.5, 5, and 10% of poly(vinylpyrrolidone) (PVP). Spun fibers were carbonized in a tubular oven and subsequently characterized by X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), Raman spectroscopy, carbon-nitrogen elemental analysis, and scanning electron microscopy (SEM) to observe their microstructural properties. Additionally, electrochemical tests, including potentiodynamic, potentiometric, and cyclic voltammetry, were conducted to evaluate the hydrogen evolution reaction (HER). Spectroscopic characterizations indicated that carbon fibers were produced by SBS. Moreover, it was possible to control the HER to suppress hydrogen evolution in lead-acid batteries.

摘要

在这项工作中，使用溶液吹纺（SBS）技术，由与0%、2.5%、5%和10%的聚乙烯吡咯烷酮（PVP）混合的聚丙烯腈（PAN）制备碳纤维。纺出的纤维在管式炉中碳化，随后通过X射线衍射（XRD）、傅里叶变换红外光谱（FTIR）、拉曼光谱、碳氮元素分析和扫描电子显微镜（SEM）对其微观结构性质进行表征。此外，还进行了包括动电位、电位和循环伏安法在内的电化学测试，以评估析氢反应（HER）。光谱表征表明，通过SBS制备出了碳纤维。此外，有可能控制析氢反应以抑制铅酸电池中的析氢现象。