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The development of low-cost and effective energy storage systems for renewable energy sources is an essential problem of the modern energy industry. At the moment, redox flow battery (RFB) is the most promising technology to energy storage in distributed energy grid. However, to date, even the most studied vanadium RFBs have quite high cost due to the expensive vanadium electrolytes. In this work, a novel chemical power source - neutralization RFB with two hydrogen electrodes is developed. This RFB uses cheap and environmentally benign electrolytes - solutions of acid, alkali, and salt.