| 摘要 |
<p>An activated cathode assembly for use in diaphragm or membrane electrolysis cells comprising pairs of interleaved cathodes and anodes (B) having openings, said cathodes being provided with a corrosion resistant ion exchange membrane or porous diaphragm, said cells (C) being provided with inlets for feeding brine and outlets for the withdrawal of chlorine (H), hydrogen (I) and caustic (L), the cathode assembly comprising a rigid cathode structure covered with a thin and flexible corrosion resistant, perforated or expanded sheet or mesh (F) provided with an electrocatalytic coating for hydrogen evolution in an alkaline environment, the cathode structure and sheet or mesh (F) being in electrical and mechanical contact with each other; method of preparing said assembly and an electrolysis cell using said assembly.</p> |
