微型金属氧化物pH电极的制备及腐蚀防护应用进展

顾玉慧, 董亮, 宋沁峰

Preparation of Micro Metal Oxide pH Electrode and Its Application in Corrosion and Protection

GU Yuhui, DONG Liang, SONG Qinfeng

表1 电极制备方法及性能汇总

Table 1 Summary of preparation method and performance of electrodes

Electrodes Methods Response range Response slope Response time Ref. Iridium oxide pH electrode High temperature oxidation 2~12 -59.5 mV/pH <30 s [35] High temperature oxidation 1~12 -58.4 mV/pH 1~3 min [34] High temperature oxidation 20~80 s [48] High-temperature carbonate oxidation 0~14 -59~-65 mV/pH - [36] Cyclic oxidative quenching 1~13 -55~-57 mV/pH 10 s~60 s [37] Electrochemical deposition 1~13 -55.5~-65.5 mV/pH - [31] Constant current deposition - -74.91 mV/pH 67 s [42] Sol-gel method 1.5~12 -51.1~-51.7 mV/pH <2 s [39] Electrochemical deposition - -72.5±1.1 mV/pH - [45] Cyclic voltammetry - -57~-72 mV/pH - [43] Electrochemical deposition 2.38~11.61 -59 mV/pH [38] Silk-screen printing - -59 mV/pH - [40] Melt oxidation 1~13 -58.92 mV/pH <0.2 s [41] Titanium-based pH electrode Electron impact ion source 1~12 -55 mV/pH 2~5 min [53] Ionic nitriding 11~14 -60 mV/pH <1 min [68] Sol-gel method 1~11 -58.73 mV/pH - [69] Tungsten oxide pH electrode Chemical oxidation 2~11 -56.0±0.9 mV/pH - [61] Magnetron sputtering 2~12 -41 mV/pH <90 s [59] Sol-gel method 2~11 -52.6 mV/pH <1 min [60] Constant groove pressure method 2~11 -50 mV/pH <3 min [62] Thermal oxidation 2~12 -53.83 mV/pH <1 min [70] Manganese oxide pH electrode Silk-screen printing 2~12 -78.3 mV/pH - [64]