Proton Energy Systems, Inc.

Benjamin Michael Piecuch

Luke Thomas Dalton

Gregory A Hanlon

An electrochemical cell stack and method are provided with use the generated hydrogen gas to pressurize a chamber. The electrochemical cell stack includes a plurality of cells mounted between a first static endplate and a dynamic endplate. A pressure chamber is formed between a second static endplate and the dynamic endplate. The chamber acts upon a dynamic endplate to increase the loading on a plurality of cells as the generated gas pressure increases.

Electrochemical cell with dynamic endplate

A compartmentalized storage tank is disclosed. The compartmentalized storage tank includes a housing, a first fluid storage section disposed within the housing, a second fluid storage section disposed within the housing, the first and second fluid storage sections being separated by a movable divider, and a constant force spring. The constant force spring is disposed between the housing and the movable divider to exert a constant force on the movable divider to cause a pressure Pin the first fluid storage section to be greater than a pressure Pin the second fluid storage section, thereby defining a pressure differential.

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Meriden, CT, United States of America

Benjamin Michael Piecuch