Direct methanol fuel cell with homogeneous assisted catalysis and porous carbon-supported platinum catalysis
A methanol fuel cell and methanol fuel technology, applied in fuel cells, battery electrodes, circuits, etc., can solve the problems of reduced loading of the main catalyst, failure to maximize the main catalyst and co-catalyst, and achieve uniform active centers and uniform distribution , to solve the effect of poisoning
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Embodiment 1
[0059] Embodiment one: (VO 2 ) 2 SO 4 Preparation of sulfuric acid solution
[0060] Take one liter of sulfuric acid with a concentration of 5wt% and heat it to 50°C; add 0.1mol of V 2 o 5 , stirred for 5h, filtered to obtain (VO 2 ) 2 SO 4 sulfuric acid solution.
Embodiment 2
[0061] Example 2: Preparation of Modified Methanol Fuel
[0062] Take one liter of sulfuric acid with a concentration of 7.5wt% and heat it to 60°C; add 0.5mol of V 2 o 5 , stirred for 5h, filtered to obtain (VO 2 ) 2 SO 4 sulfuric acid solution.
[0063] Cool to room temperature and add 1 liter of methanol aqueous solution of 50wt%, mix homogeneously and make (VO 2 ) 2 SO 4 Convert to (VO)SO 4 , to obtain the cocatalyst containing (VO)SO 4 modified methanol fuel.
Embodiment 3
[0064] Example 3: Preparation of High Concentration Modified Methanol Fuel
[0065] Take one liter of sulfuric acid with a concentration of 10wt% and heat it to 70°C; add 1mol of V 2 o 5 , stirred for 5h, filtered to obtain (VO 2 ) 2 SO 4 sulfuric acid solution.
[0066] Cool to room temperature and add 4 liters of methanol aqueous solution of 60wt%, mix homogeneously and make (VO 2 ) 2 SO 4 Convert to (VO)SO 4 , to obtain a high concentration of co-catalyst containing (VO)SO 4 modified methanol fuel.
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