کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
5127273 1489011 2017 9 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Studies on optimal charging conditions for vanadium redox flow batteries
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موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی (عمومی)
پیش نمایش صفحه اول مقاله
Studies on optimal charging conditions for vanadium redox flow batteries
چکیده انگلیسی


- An approach to determining optimal charging conditions is proposed for VRB systems.
- Nonlinear optimisation with terminal constraints to regulate the charging of battery.
- Energy losses minimised by manipulating charging current and electrolyte flowrate.
- Case studies for fast and slow charging are presented.

A model based non-linear optimisation approach is proposed to obtain the optimal charging current and electrolyte flow rate trajectories (as functions of time) for a vanadium redox flow battery. The optimisation objective is formulated to minimise the total energy consumption of the battery and pumping system. Three operational constraints are addressed by the proposed optimisation: firstly, the input current and electrolyte flow rate are maintained to be within the limits of the power and hydraulic systems, respectively; secondly, charging of battery to a predefined SOC target within a given time frame is achieved; finally, the flow rate is properly constrained to avoid oxygen and hydrogen evolution. Two case studies were conducted under different time limit constraints. The optimisation results are compared with the existing approaches. It has been found that the proposed approach successfully regulated battery SOC to reach target with increased overall system efficiency.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Energy Storage - Volume 11, June 2017, Pages 191-199
نویسندگان
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