上海科技大学知识管理系统

本发明涉及一种用于电化学微分质谱原位测试的气体管路，包括第一三通阀和第二三通阀；所述第一三通阀的第一端与气源装置相连，第二端与第二气阀的第一端相连，第三端与第一气阀的第一端相连；所述第二三通阀的第一端与质谱原位测试装置相连，第二端与第三气阀的第一端相连，第三端与所述第一气阀的第二端相连；所述第二气阀的第二端与电池测试装置的进气阀相连，所述第三气阀的第二端与所述电池测试装置的排气阀相连。本发明能够避免外界气体的引入对测试结果的影响。

The invention relates to a gas pipeline for electrochemical differential mass spectrometry in-situ test, which comprises a first three-way valve and a second three-way valve; The first end of the first three-way valve is connected with the air source device, the second end of the first three-way valve is connected with the first end of the second air valve, and the third end of the first three-way valve is connected with the first end of the first air valve; The first end of the second three-way valve is connected with the mass spectrum in-situ testing device, the second end of the second three-way valve is connected with the first end of the third gas valve, and the third end of the second three-way valve is connected with the second end of the first gas valve; The second end of the second air valve is connected with an air inlet valve of the battery testing device, and the second end of the third air valve is connected with an exhaust valve of the battery testing device. According to the invention, the influence of introduction of external gas on the test result can be avoided.