Evaluation of the specific capacitance of high-entropy oxide-based electrode materials in view of their use for dipartimento di ingegneria civile dell`energia dell`ambiente dei materiali (diceam)

HIGHLIGHTS

SUMMARY

The improvement is in the same order as the average size of the HEO grains, namely C/rHEO NFs (250 nm)  sHEO NPs (240 nm) and amp;lt; sHEO NFs (200 nm) and amp;lt; C/sHEO NFs (110 nm). In C/sHEO NFs, the smaller-sized sHEO grains are in intimate contact with the host C NFs; this produces a positive effect in terms of overall specific capacitance, which benefits also from the smaller size of the sHEO grains. At 100 mV s-1 scan rate, the specific capacitance of C/(Cr0.2Mn0 . . .

 



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