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专利名称：ELECTROCHEMICAL OXYGEN SENSOR发明人：KITAZAWA, Naohisa申请号：EP20855849.4申请日：20200121公开号：EP3882617A1公开日：20210922
专利附图：
摘要：An electrochemical oxygen sensor with a long service life is provided. Theelectrochemical oxygen sensor according to the present invention includes a positiveelectrode, a negative electrode, and an electrolyte solution, and the negative electrodecontains tin or a tin alloy, the electrolyte solution is an aqueous solution obtained by
dissolving at least citric acids, the aqueous solution contains an alkali metal, a totalcontent of the citric acids in the electrolyte solution is 2.1 mol/L or higher, a content ofthe alkali metal in the electrolyte solution is 0.1 to 1.6 times the total content of thecitric acids, the electrolyte solution has a pH of 3.9 to 4.6, and when a volume of theelectrolyte solution is x (ml) and a content of tin contained in the negative electrode is y(g), x/y ≥ 0.3 (ml/g) holds true.
申请人：Maxell Holdings, Ltd.
地址：1, Koizumi Oyamazaki Oyamazaki-cho Otokuni-gun, Kyoto 618-8525 JP
国籍：JP
代理机构：Diehl & Partner
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