High Performance Electrocatalysts Based on Pt Nanoarchitecture for Fuel Cell Applications

Table 3

Summary of various Pt-based nanostructures with enhanced electrochemical properties in ORR.

Material/shape	Synthesis method	Experimental factor	, A/	, V	Reference
Pt-Pd/core-shell	Polyol	Shell thickness	0.18	0.895	[83]
Pd-Pt/core-shell	Polyol	Seed-mediated growth	~0.2	~0.87	[84]
Pt-Pd/hollow and dendrite	Polyol	Concentration of reductant	~0.76	~0.92	[85]
Pt-Co/truncated octahedron	Thermal-decomposition	Reaction time	0.52	~0.85	[86]
Pt-Ni/truncated octahedron	Thermal-decomposition	Alkane chain length of capping agent	0.53	~0.9	[28]
Pt-Ni/icosahedron	Thermal-decomposition	Presence of CO gas	0.62	0.9	[29]
Pt-Ni/octahedron	Thermal-decomposition	Electrochemical activation	~1.7	~0.92	[30]
Pt-Ni/octahedron	Thermal-decomposition	Reaction time	1.45	~0.92	[87]
Pt-Co/cube	Thermal-decomposition	Composition ratio	0.434	~0.85	[21]
Pt-Fe-Cu/rod	Thermal-decomposition	Electrochemical etching	—	0.557^c	[33]
Pt-Fe/wire	Thermal-decomposition	Composition ratio	0.84	0.92	[88]
Pt-Fe-Pd/core-shell wire	Thermal-decomposition	Seed-mediated growth	—	~0.55^c	[89]
Pt/mesoporous	Electrochemical deposition	Silica template	0.12	0.866	[90]
PtCuCoNi/tube	Electrochemical deposition	AAO template	0.19	0.87	[91]
Pt/porous dendrite	Replacement reaction	Replacement reaction	0.21	~0.93	[92]

Specific mass current density at 0.9 V and ^bhalf-wave potential in ORR polarization curves based on V versus RHE. ^cHalf-wave potential (versus Ag/AgCl) in ORR polarization curves.