Abd ul-Rahman Lomax wrote:

As Mr. Swartz pointed out, the concentration of oxygen at the cathode is zero. So we have to imagine an oxygen bubble somehow making it from the anode to the cathode, contrary to two flows, the flow of deuterium gas is away from the cathode, but the flow could carry oxygen from below the cathode to the cathode -- how would it get down there? --

I know four ways to do this:

1. With intense mixing some oxygen may reach the cathode.

2. Pump the electrolyte through the cell, like the Patterson cell. I believe the oxygen damaged the cathode beads in this configuration.

3. Put the cathode above the anode. The bubbles rise and attach to it. I have seen people make cells with this configuration. Why they did that, I cannot imagine.

4. With glow discharge electrolysis at intense heat some of the water decomposes at the cathode. A mixture of hydrogen and oxygen leaves the cell from cathode. Mizuno confirmed this by separating the cathode and anode with a glass hood: a funnel placed with the large end down over the cathode, with the anode on the outside. I expect some of the oxygen reaches the cathode.

- Jed

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