Extraction of hydrogen into vacuum by electrochemical hydrogen pump using a high temperature type proton conductor

为了回收氢同位素，提出了一种阴极室真空下的电化学氢泵。用两种类型的电极——粘贴电极和化学镀电极——来评估传质过程。在真空条件下，采用直流方式运行氢泵，提高了氢泵的性能。电化学阻抗谱分析表明，在常压下粘贴电极的扩散系数比真空下要小。

For hydrogen isotope recovery, an electrochemical hydrogen pump under vacuum in the cathode compartment has been proposed. Two types of electrodes-pasted and electroless plated electrodes-were used to evaluate the mass transfer process. When the hydrogen pump was operated using direct current, the hydrogen pump performance is improved under vacuum. Electrochemical impedance spectroscopy revealed that the diffusivity in the pasted electrode was smaller under atmospheric pressure than under vacuum.