Ballard Power Systems Corporation

Ford Motor Company Limited

Daimler Ag

Simon Fraser University

Jacob William De Vaal

David P Wilkinson

Shanna Denine Knights

Farid Golnaraghi

Michael V Lauritzen

Colin F Keddie

Ghassan Hassan Mousa

Methods for detecting a hydrogen leak and quantifying a rate of the same in a polymer electrolyte membrane fuel cell stack are provided, as well as a fuel cell diagnostic apparatus that diagnoses a hydrogen leak in a fuel cell stack.

Use of neural network and EIS signal analysis to quantify H2 crossover in-situ in operating PEM cells

A system and method for reducing concentrations of reactants in gases flowing through an exhaust system are disclosed. Briefly described, one embodiment comprises creating a turbulent flow of gases along a periphery region of an exhaust pipe, the turbulent flow created by the gases transported over a wire mesh residing in the periphery region; and mixing the gases in the periphery region with a reactant gas being transported in a flow-through region, the mixing caused by the turbulent flow of gases, such that concentration of the reactant gas is reduced as the reactant gas is transported through the exhaust system.

System and method for mixing gases in a fuel cell exhaust system

An electrochemical fuel cell stack comprises a plurality of fuel cell assemblies, wherein, each fuel cell assembly comprises a cell compressed between a pair of flow field plates, a perimeter seal circumscribing the cell and interposed between the pair of flow field plates, and a first diode, having an aspect ratio greater than 10:1, positioned adjacent to, and outside of, the perimeter seal along a first edge of the cell and interposed between the pair of flow field plates.

Electrochemical fuel cell stack having a plurality of integrated voltage reversal protection diodes

Growing community of inventors

Coquitlam, Canada

Jacob William De Vaal