流动电池
钒
氧化还原
电池(电)
材料科学
碳纤维
电极
催化作用
化学工程
储能
聚四氟乙烯
无机化学
复合材料
冶金
化学
功率(物理)
有机化学
物理
物理化学
工程类
电解质
量子力学
复合数
作者
GUANXIA DAI,Yanhong Huang,Feihong Chu,Chaolun Jin,Hui Liu
出处
期刊:Heliyon
[Elsevier]
日期:2024-07-01
卷期号:10 (13): e33561-e33561
标识
DOI:10.1016/j.heliyon.2024.e33561
摘要
All-vanadium redox flow batteries (VRFB) have the advantages of high safety and long life, and have broad application prospects in the field of large-scale power energy storage. Low energy density is the main factor restricting its development. In this study, the carbon felt used as the electrode was pretreated in various ways to improve the performance of the vanadium redox flow battery. The pretreatment conditions of carbon felt were compared to the performance of carbon felt after treatment at different temperatures and different times. The properties of the pretreated carbon felt were investigated and their effect on cell performance was tested.Next, by introducing a noble metal catalyst into the carbon felt, the characteristics of the carbon felt were studied and the effect on the performance of the vanadium redox flow battery was investigated. It was found that Carbon felt thermal-treated at 500 °C for 2 h showed the best characteristics and had the longest charge/discharge time and the lowest resistance. The results also show that Carbon felt with catalyst introduced without PTFE(Polytetrafluoroethylene) binder showed larger BET(Brunauer-Emmett-Teller) surface area and electrical conductivity compared to PTFE mixed, and cell performance was also excellent.
科研通智能强力驱动
Strongly Powered by AbleSci AI