| 摘要 |
A method of operating a regenerative fuel cell which comprises two half-cells separated by a cation-exchange membrane, there being a halogen/halide electrolyte in one half of the cell, a sulfide/polysulfide in the other half of the cell and cations in both halves of the cell which act as charge carriers therebetween, wherein the state of charge of the sulfide/polysulfide electrolyte is in the range of from 1.8 to 2.5 for at least a part of the charge/discharge cycle over a plurality of cycles.
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