Electrochemical Reduction of CO₂ to Organic Acids by a Pd-MWNTs Gas-Diffusion Electrode in Aqueous Medium

Table 1

Test of steady of Pd-MWNTs catalysts gas-diffusion electrode.

Electrolyte concentration (mol/L )	Faradaic efficiency (%)
	HCOOH	CH3COOH	Total	Average total
0.5 mol/L KHCO3	33.8	21.6	55.4	55.4
	33.2	20.8	54.0
	34.5	22.4	56.8
0.8 mol/L KHCO3	14.7	35.3	49.9	52.9
	17.8	34.8	52.6
	17.5	38.7	56.2