Polymer composites with graphene

With the increasing effects of Green House Gas (GHG) emissions on climate change, there is also increasing interest to alternatives to internal combustion engines for mobility. Battery electric vehicles are one route, and another is fuel cells. There is increasing interest in polymer composites that are not only mechanically strong and lightweight, but also have other properties, such as electrical and thermal conductivity. An application for such polymer composites is in proton membrane fuel cells, and specifically the bipolar fuel cell plates which make up a significant amount of the cost and weight of current fuel cells. One means to have electrical conductivity is by the addition of carbon fillers to the polymer matrix - carbon black, carbon nanotubes,graphite fiber have all been used in the past. Graphene is a more recent entry into the market as a carbon conductive filler because of its interesting properties due to its two-dimensional layer geometry. Hydrograph has developed an aerosol based process to create pure graphene without chemical or mechanical processing normally required from the graphite to graphene processing routes.

Intern: 
Piyush Lashkari
Faculty Supervisor: 
Andrew Hrymak
Province: 
Ontario
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