Electrocatalytic activity of spinel-type oxides LiMn2−XCoXO4 with large specific surface areas for metal–air battery
1998
Abstract A series of spinel-type oxides LiMn 2− X Co X O 4 ( X =1.0, 1.2, 1.4, 1.6) are synthesized by an improved amorphous citric precursor (ACP) method. Their specific surface areas are measured by the Brunauer-Emmet-Teller (BET) method, and their particle agglomerates are studied by scanning electron microscopy (SEM). Their electrocatalytic performances are characterized by the polarization curves of gas-diffusion electrodes that employ the oxides. The activity decreases with increasing X values.
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