Electrochemical and Morphological Investigations of Ga Addition to Pt Electrocatalyst Supported on Carbon

Table 2

Lattice parameter and volume and average crystallite size in the different diffraction planes of the PtGa/C electrocatalysts.

Experimental composition; (% mol)	(Å)	()	(nm)
			111	200	220	311	222
Pt100	3.922	60.33	12.9	11.8	10.9	10.1	11.0
Pt91Ga9	3.922	60.32	11.5	10.6	9.7	9.1	10.3
Pt83Ga17	3.919	60.19	10.7	9.4	9.0	8.7	9.7
Pt69Ga31	3.906	59.58	10.4	9.2	8.9	8.3	9.6
Pt83Ga17	3.909	59.75	11.2	9.8	8.9	8.3	8.9
Pt54Ga46	3.907	59.64	8.5	8.0	7.6	7.2	8.7