Patent ID: 7041407
Filing Date: 2006-05-09
Classification: H01M,Y02E

Abstract:
1. A water coolant plate of a fuel cell stack comprising: a rectangular configuration having opposite first and second edges, each having first and second halves; a coolant inlet port in the form of elongate slot defined in the first half of the first edge; a plurality of coolant channels formed in the rectangle and connected to the coolant inlet port, each coolant channel comprising: a coolant outlet port in the form of elongate slot defined in the second half of the second edge and connected to and in fluid communication with the third sections of the coolant channels; wherein coolant water enters the coolant plate via the coolant inlet port, travels through the coolant channels and leaves the coolant plate via the coolant outlet port, each channel being split into a plurality of second sections in the second zone for introducing turbulence of the coolant water flow through the coolant channel to enhance heat removal.