【摘要】 [1] 本文肯定了银在碱性溶液中恒流阳极极化时在某一临界电流密度（1.5～3ma/cm²）以上将出现相当于Ag₂O氧化成“Ag₂O₃”的充电第三平阶（Q₂^′）;并发现充电第一平阶（Q₁,相当于Ag→Ag₂O）和第二平阶（Q₂,相当于Ag₂O→AgO）间的“小高峰”可以有各种过渡形态,相当于Ag₂O→AgO和Ag₂O→“Ag₂O₃”的竞争和排斥过程。 [2] 肯定了在小电流密度下AgO也可氧化成“Ag₂O₃”。 [3] 发现“Ag₂O₃”可分解成Ag₂O,也可分解成AgO。视条件而定。 [4] 发现大电流充电时,在Q₂^′终了后延长出O₂时间,则先促使“Ag₂O₃”继续形成,继又使它因分解减少,又不论电流密度大小,以及出氧时间长短,在出O₂后总能发现电极上存在有。“Ag₂O₃”。故推测在碱性溶液中,银上出氧时可能必须有“Ag₂O₃”的存在。 [5] 本文认为“Ag₂O₃”是价态高于二的银氧化物,在25℃的KOH溶液中极不稳定（0℃时较稳）。故它的成分不易确定。文献上常把Ag₇NO₁₁和“Ag₂O₃”混为一谈,本文对此问题是作了澄清,并讨论了两者电势相等的原因 。更多还原

【Abstract】 1. It is confirmed that a 3rd. charging stage Q2 corresponding to the oxidation of Ag2O to “Ag2O3” will appear during the galvanostatic anodic oxidation of Ag in the alkaline solution. The critical current density is around 1.5-3 mA/cm2. It is also discovered that the peak between the 1st. charging stage (Q1, corresponding to the oxidation of Ag to Ag2O) and the 2nd. charging stage (Q2, corresponding to the oxidation of Ag2O to AgO) can have various shapes manifesting the, competing tend-encies between the two processes of Ag2O→AgO and Ag2O→“Ag203”. 2. Under smaller current densities, AgO can also be oxidized to “Ag2O3”. On the other hand, “Ag2O3” can be decomposed to either Ag2O or AgO under different conditions.3. Under higher C. D. ’s, prolonged oxygen evolution after the stage Q2 will initially produce more “Ag2O3” and then cause it to decompose. The fact that “Ag2O3” is always present after oxygen evolution suggests that the presence of “Ag2O3” is a necessary factor for oxygen evolution on silver in alkaline solutions.4. We regard “Ag2O3” as a silver oxide with a valence of silver higher than two. It is very reactive at 25°C in the alkaline solution (less reactive at 0°C). Its composition is therefore not easilv determined.更多还原