State of Charge (SoC) of the Vanadium and Other Redox Flow Batteries: Identification of the Electrode and Bipolar Plate Contributions

被引:1
|
作者
Krowne, Clifford M. [1 ,2 ,3 ,4 ]
机构
[1] Naval Res Lab, Mat Phys & Chem Sect, Mat & Sensors Branch, Mat Sci & Technol Div, Washington, DC 20375 USA
[2] Naval Res Lab, Microwave Circuits & Electromagnet Theory Sect, Microwave Technol & Electromagnet Branches, Elect Sci & Technol Div, Washington, DC 20375 USA
[3] Ashlawn Energy LLC, Springfield, VA 22150 USA
[4] Ashlawn Energy LLC, Binghamton, NY 13901 USA
关键词
state of charge (SoC); spatially varying field variables; electrolyte concentration; open circuit voltage; ernst equation; overpotential; open circuit voltage difference; ALL-VANADIUM; ENERGY-STORAGE; CAPACITY DECAY; ION DIFFUSION; EXCHANGE MEMBRANES; RATE OPTIMIZATION; CATHODE MATERIAL; DYNAMIC-MODEL; GRAPHITE FELT; MASS-TRANSFER;
D O I
10.1149/1945-7111/ad80d4
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
In this paper attention is directed toward one of the key measures of performance, State of Charge (SoC) for vanadium and other battery chemistries. Explored are its simple definition, as well as a more complete examination of just what is meant by this terminology. Developed is a more sophisticated exposition of how to calculate it properly, including spatial distributions, and what consequences arise from various simplifications. Open Circuit voltage through the Nernst equation, is related to the SoC. Non-equilibrium overpotential is also related to the concentrations when treated as averaged field variables. Other chemistries examined include iron-chromium, all-iron, and hydrogen-bromine. For the first time, a rigorous decomposition of the spatial variation of the electrode and bipolar plate contributions is identified, allowing new formulas to be obtained. This may allow optimization of redox flow battery performance. Finally, an expression is found for the open circuit voltage cost going between no bipolar plates and their incorporation into the redox flow battery.
引用
收藏
页数:21
相关论文
共 50 条
  • [21] Fast and Simplified Algorithms for SoC and SoH Estimation of Vanadium Redox Flow Batteries
    Khaki, Bahman
    Das, Pritam
    2021 13TH ANNUAL IEEE GREEN TECHNOLOGIES CONFERENCE GREENTECH 2021, 2021, : 494 - 501
  • [22] Fluid Physics Impacting Vanadium and Other Redox Flow Batteries
    Krowne, Clifford M.
    JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2024, 171 (06)
  • [23] Monitoring the state of charge of vanadium redox flow batteries with an EPR-on-a-Chip dipstick sensor
    Kuenstner, Silvio
    McPeak, Joseph E.
    Chu, Anh
    Kern, Michal
    Dinse, Klaus-Peter
    Naydenov, Boris
    Fischer, Peter
    Anders, Jens
    Lips, Klaus
    PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2024, 26 (25) : 17785 - 17795
  • [24] Monitoring the state of charge of all-vanadium redox flow batteries to identify crossover of electrolyte
    Haisch, T.
    Ji, H.
    Weidlich, C.
    ELECTROCHIMICA ACTA, 2020, 336
  • [25] Development of Carbon Composite Bipolar Plates for Vanadium Redox Flow Batteries
    Lee, Nam Jin
    Lee, Seung-Wook
    Kim, Ki Jae
    Kim, Jae-Hun
    Park, Min-Sik
    Jeong, Goojin
    Kim, Young-Jun
    Byun, Dongjin
    BULLETIN OF THE KOREAN CHEMICAL SOCIETY, 2012, 33 (11): : 3589 - 3592
  • [26] Research of composite bipolar plate used for vanadium redox flow battery
    Xu, Dong-Qing
    Fan, Yong-Sheng
    Liu, Ping
    Wang, Bao-Guo
    Gao Xiao Hua Xue Gong Cheng Xue Bao/Journal of Chemical Engineering of Chinese Universities, 2011, 25 (02): : 308 - 313
  • [27] A Novel Bipolar Plate Design for Vanadium Redox Flow Battery Application
    Yang, Linlin
    Zhou, Yu
    Wang, Shaopeng
    Lin, Youbin
    Huang, Tao
    Yu, Aishui
    INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE, 2017, 12 (08): : 7031 - 7038
  • [28] Development of an Integrated Electrode-bipolar Plate Assembly with Reduced Contact Resistance for Vanadium Redox Flow Battery
    Kaur, Amanpreet
    Lim, Jun Woo
    COMPOSITES RESEARCH, 2024, 37 (03): : 190 - 196
  • [29] A combined in situ monitoring approach for half cell state of charge and state of health of vanadium redox flow batteries
    Struckmann, Thorsten
    Kuhn, Peter
    Ressel, Simon
    ELECTROCHIMICA ACTA, 2020, 362 (362)
  • [30] Real-time monitoring of the state of charge (SOC) in vanadium redox-flow batteries using UV-Vis spectroscopy in operando mode
    Kyung-Hee, Shin
    Chang-Soo, Jin
    Jae-Young, So
    Se-Kook, Park
    Dong-Ha, Kim
    Sun-Hwa, Yeon
    JOURNAL OF ENERGY STORAGE, 2020, 27