Review of the Research Status of Cost-Effective Zinc–Iron Redox
Among them, the zinc–iron RFB (ZIRFB) has become the research object because of its abundant raw materials, low cost, and non-toxicity. Xie et al. estimated that the cost of
In this work, a cost model for a 0.1 MW/0.8 MWh alkaline zinc-iron flow battery system is presented, and a capital cost under the U.S. Department of Energy's target cost of 150 $ per kWh is achieved. Besides, the effects of electrode geometry, operating conditions, and membrane types on the system cost are investigated.
It is worth noting that the working current density of alkaline Zn-Fe flow batteries is ranging from 35 to 160 mA cm−2 . In this range, the capital costs of all flow rates are under 150 $ kWh −1, which meets the DOE's target cost for energy storage technologies.
A zinc-iron redox-flow battery under $100 per kW h of system capital cost Energy Environ. Sci., 8 ( 2015), pp. 2941 - 2945, 10.1039/c5ee02315g Chem. Rev., 115 ( 2015), pp. 11533 - 11558, 10.1021/cr500720t Toward a low-cost alkaline zinc-iron flow battery with a polybenzimidazole custom membrane for stationary energy storage
Among them, the zinc–iron RFB (ZIRFB) has become the research object because of its abundant raw materials, low cost, and non-toxicity. Xie et al. estimated that the cost of ZIRFB is approximately USD 43.3 per kWh, and is the lowest capital cost in reported RFBs (see Figure 1 a) [44, 45]. Figure 1.
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