The paper describes advantages of PVC cell, points out problems existing in application and repair and gives suggestions for future application and replacement.

Analyzing the blushing of the pot shell and its countermeasures;

Causes for the dislocation and distortion of unit cell gasckets for ZBMCH-2.7 type electrolyzers and the preventive measures;

Measure and calculation of leakage current of electrolyzer system;

Technology innovation on EXL~(DP)-3×5 monopolar electrolyzer;

Improvement on cathode lining material and structure of aluminum cell;

Discussion on the method to increase the life of aluminum cell;

Experament of reduce impulse voltage on scorched particles roasting of aluminum cell

Design and test of inert electrode large aluminum reduction cell;

Three-dimension thermo-mechanical field nonlinear finite element analysis of an aluminum reduction cell;

Heat dissipating capacity of aluminum reduction cell and its distribution rule;

Exploration on busbar zerowander of aluminium electrolytic cell;

The impact of insulation damage of aluminum electrolytic cell on safety production;