Liquid-phase discharge plasma decomposition of methanol for hydrogen production:optimization of electrode configuration
By utilizing liquid-phase array electrode gliding arc discharge plasma to decompose methanol,the existing hydrogen production technology was optimized,and the influence of different electrode configurations on hydrogen production performance was systematically studied.The optimal number of electrode configurations was obtained,and it was found that the maximum hydrogen flow rate of the 4-needle electrode reached 1188.54 ml/min at the same discharge power,which was 118％higher than that of the single needle.Furthermore,in the liquid-phase discharge,the array needle ring structure exhibited higher hydrogen production capacity and energy yield compared to the array needle hole-plate structure.When using the array needle-ring structure,the gliding arc discharge plasma decomposition of methanol demonstrated the best hydrogen production performance,with an energy yield of 69.75 g/kWh and an energy efficiency of 71.12％,which is better than most existing hydrogen production schemes.
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