| CPC B03C 3/49 (2013.01) [B03C 3/68 (2013.01); F24F 8/192 (2021.01)] | 20 Claims |

|
1. An electrode tube for generating electrons, the electrode tube comprising:
a container unit;
a metal wool positioned in the container unit; and
a socket, wherein the container unit is attached to the socket, wherein the electrode tube is configured to generate electrons that bond with oxygen when electrical power is provided to the electrode tube, wherein the socket comprises a valve that is positioned in a valve hole extending through the socket, wherein the container unit contains a gas that is added into the container unit through the valve, and wherein the gas includes argon.
|