Table 2.
acting process | formation of | fluctuating dissolution | adsorption | convection/flow | comment | ||
---|---|---|---|---|---|---|---|
controlled property | Fe–ligand | Mg–ligand | insoluble reaction products | ||||
utilization efficiency | max. improvement in this work: factor 2 | ||||||
voltage | theoretical anode limit: −2.1 [V]Ag/AgCl[1] | ||||||
Example 1: Tiron | strong | strong | no | no | no | weak effect | high voltage but low durability |
Example 2: oxalate | moderate | moderate | yes | weak | yes | effect | battery fails as result of anode blockage |
Example 3: salicylate | strong | moderate | weak | no | weak | weak effect | moderate voltage with high durability |
Control of the discharge behaviour by physical/chemical interaction processes (increase, decrease or no change) and respective additive examples.