用气相色谱法研究作为氧阴极的碳材料在Na2B4O7和Na2B4O7-Na2CO3介质中腐蚀.结果表明,在较负电位下(-0.4～-0.5 V,0.1 mol/L NaOH),检出CO和CO2基本与空白相同,说明碳腐蚀主要由电化学作用所致.
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