Abstract:ChemInform Abstract Doping of β-Co(OH)2 with M3+ ions (M: Al, Fe) by coprecipitation of the corresponding nitrates or sulfates leads to materials that do not show the electrochemical inertness of CoOOH. Materials prepared with a molar ratio of Co:M = 4:1 have the highest charge capacity. These compounds crystallize in the double layer structure of the pyroaurite type. The structure consists of (Co4M(OH)10)-(M: Al, Fe) cations and anion interlayers (X, nH2O)-, X: NO3-or SO24. The pyroaurite structure contains v… Show more
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