Characteristics of BMIMBF<sub>4</sub> as anode electrolyte additive for vanadium redox flow battery

李梦楠

doi:10.3969/j.issn.0438-1157.2011.z2.023

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Characteristics of BMIMBF₄ as anode electrolyte additive for vanadium redox flow battery

更新时间：2025-12-10

- Characteristics of BMIMBF₄ as anode electrolyte additive for vanadium redox flow battery
- CIESC Journal Issue S2, Pages: 135-139(2011)
- 作者机构：
  
  清华大学核能与新能源技术研究院
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2011.z2.023
  CLC：
- Online First：20 December 2011，
  
  Published：20 December 2011
- 稿件说明：
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李梦楠. Characteristics of BMIMBF₄ as anode electrolyte additive for vanadium redox flow battery[J]. CIESC Journal, 2011, (S2): 135-139. DOI: 10.3969/j.issn.0438-1157.2011.z2.023.
DOI：

李梦楠. Characteristics of BMIMBF₄ as anode electrolyte additive for vanadium redox flow battery[J]. CIESC Journal, 2011, (S2): 135-139. DOI: 10.3969/j.issn.0438-1157.2011.z2.023. DOI：

摘要

为提高全钒液流电池的能量密度和正极电解液稳定性，采用循环伏安、交流阻抗等方法，研究了1-丁基-3-甲基咪唑四氟硼酸盐（BMIMBF4）作为正极电解液添加剂对溶液稳定性和电化学反应活性的影响，并对其机理进行了初步探讨。实验结果表明，添加BMIMBF4后，正极电解液中五价钒离子的稳定性显著提高，电解液的电化学反应活性也有所提升。当添加量为1%时，电池的单位体积电容量比有所增加，并且能量效率有所提升。

Abstract

1-Butyl-3-methylimidazolium tetrafluoroborate（BMIMBF4）was used as the additive in anode electrolyte for vanadium redox flow battery（VRB）. Its electrochemical performance and stability were investigated by cyclic voltammetry（CV），electrochemical impedance spectrum（EIS），charge-discharge measurement and examination of stabilization. The results indicated that the electrochemical activity and stability of the anode electrolyte were improved by adding BMIMBF4. The electric capacity of unit volume and the energy efficiency were also increased.

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Characteristics of BMIMBF4 as anode electrolyte additive for vanadium redox flow battery

DOI：10.3969/j.issn.0438-1157.2011.z2.023

摘要

Abstract

关键词

Keywords

references

Characteristics of BMIMBF₄ as anode electrolyte additive for vanadium redox flow battery