Plate curing phase composition

The above formation current (voltage) algorithm has been developed taking into account the processes that are involved in formation as well as the reaction zones in the plate cross-section where these processes take place. This is only a general algorithm. It should be modified to account for the specific type of plate (automotive, traction, or stationary), size and thickness of plate, type of battery (flooded, VRLA), phase composition, and structure of the cured pastes. 

Plate curing. Pallets with plates are placed in chambers with 100% humidity and 30°C to 95°C for 24 to 72 h. During this curing period, the lead in the paste is oxidized, the basic lead sulfates recrytallize, the grids corrode, and the paste changes in phase composition. 

For non-conducting fibers, such as glass, the matrix resin is the more conductive phase, at least early in cure, and one would expect some internal polarization effects to be visible in parallel-plate data. However, in spite of a large body of literature on glass fiber composites (see Sect. 5), we have found no clearly documented cases of Maxwell-Wagner effects in fiber-reinforced composites. We speculate that... 

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