70 MPa Fueling Station for Hydrogen Vehicles

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70 MPa Fueling Station for Hydrogen Vehicles
70 MPa Fueling Station for Hydrogen Vehicles

Joe Wonga
, Livio Gamboneb


a
Powertech Labs Inc, 12388 88th
Avenue, Surrey, B.C., Canada, joe.wong@powertechlabs.com
b
Powertech Labs Inc, 12388 88th
Avenue, Surrey, B.C., Canada, livio.gambone@powertechlabs.com
  ABSTRACT:

To achieve sufficient driving range for fuel cell powered vehicles, automotive companies have developed on-
board fuel systems capable of storing hydrogen compressed to 70 MPa (10,000 psi).  Fueling infrastructure
was required to support the effort of these car manufacturers.  This paper describes a demonstration project
to design and construct 70 MPa fueling station facilities at Powertech Labs in Surrey, B.C., Canada.   The
station was part of a government and industry funded co-operative project called “Compressed Hydrogen
Infrastructure Program (CH2IP)”.   Filling a fuel cell vehicle to 70 MPa necessitates a hydrogen fueling station
working pressure of  87.5  (12,500 psi).  The  biggest challenge of the project was to  source components
capable of withstanding hydrogen compressed to 87.5 MPa.  Key components were developed by a number
of suppliers to accommodate the higher pressure requirements (cylinders, valves, fittings, flow-meter,
dispenser, and fill nozzle). Prior to installation, the new components were extensively tested at Powertech to
ensure they  could be operated  safely and reliably under normal and abnormal fueling station service
conditions.
KEYWORDS: 70 MPa compressed hydrogen fueling station

Introduction

In current years, the technology of using 35 MPa compressed hydrogen gas storage systems has become
widely accepted and adopted by most automotive original equipment manufacturers (OEMs) for fuel cell
powered vehicles.  In order to gain market acceptance, the driving range of hydrogen vehicles must increase
to match the performance of conventional vehicles.  In a Powertech program supported by automotive OEMs
(Hydrogen 700), the technical feasibility of 70 MPa (10,000 psi) high-pressure gaseous hydrogen storage for
fuel  cell  vehicle applications was demonstrated.  Since that time, automotive companies have  developed
vehicles with on-board fuel systems capable of storing hydrogen compressed to 70 MPa.  As a result, the
development of cost effective and safe infrastructure for fueling hydrogen vehicles is of equal importance to
support the effort of these car manufacturers.  This paper describes a demonstration project to design and
construct 70 MPa fueling station facilities located at Powertech in Surrey, Canada.   

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