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Electrolysis technology for hydrogen production and energy storage
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Electrolysis Technology for Hydrogen Production and Energy Storage
Alberta Energy Storage Symposium
Rob Harvey
Director, Energy Storage
Calgary – November 19, 2013
Hydrogenics is a world leader in water electrolysis products and
hydrogen fuel cell power systems
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Onsite Generation Electrolyzers
Industrial Hydrogen Hydrogen Fueling
Power Systems Fuel Cell Modules
Stand-by Power Mobility Power
Energy Storage
Power-to-Gas
Integrate Renewables
Renewable Gas Options
3
Power-to-Gas converts clean generation when it is not needed
into renewable fuel, power or heat where and when it is needed
Power-to-Gas Solution
Surplus Power
Industrial H2
Natural Gas Grid
Clean Fuel
Dispatchable Power
Low Carbon Heating
Electrolyser
Solar Power
Wind Power
H2
H2
H2
H2/NG Blend
Hydrogen can address energy storage needs that no other
solution can
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50
100
150
200
250
300
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Sys
tem
Po
we
r (k
w)
Power Measured Power SET
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Hydrogenics’ Demonstration of Electrolyser
in IESO Distributed Loads for Regulation Study
An electrolyser can also provide a real time dynamic response that
makes it ideally suited for providing an ISO balancing service
Note: Ontario IESO signal test completed June 2011
Faster response
than AGC Signal
Electrolysis Chemistry
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1985 2000 2015
GEN 3 GEN 2 GEN 1
Sta
ck P
ow
er
Den
sit
y
Stuart Cell
MW Class
CSD Cell
Bipolar IMETTM
2030
Hydrogenics’ electrolyser technology evolution for industrial and
large scale systems has three major steps
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Generation Prototype 90E 91E 701E 92E MW Class
2012
1999 2001 2003 2005 2009
The evolution of our PEM electrolyser for small scale onsite
hydrogen generation applications has continued in parallel
MW Class
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Our GEN 2 pressurized alkaline electrolyser systems have been
deployed in hundreds of sites around the world
Smaller Footprint
for MW Scale
Energy Storage
Efficiency
Improvements
Lower
Capital Cost
Fast Response and
Dynamic Range
2 1
3 4
There are four key technology objectives for our GEN 3 MW PEM
Electrolyser
10
50 cm
14
0 c
m
Our next generation PEM stack has the same capacity as 12 of
our pressurized alkaline stacks
1 MW PEM
Electrolyser
1 MW of Industrial Electrolysers
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=
MW Class PEM Development
Stack Design Factors • Electrochemistry
• Heat Transfer
• Fluid Dynamics
• Component Manufacturability/Supply Base
• Material Selection
• Cost
• PEM Fuel Cell “Like” Design
Operating Conditions
• Temperature
• Pressure
• Current Density
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MW Scale PEMWE Short Stack On/Off Cycling Testing
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MW Scale PEMWE Short Stack Current Modulation Testing
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The efficiency and operating range of our PEM electrolysers has
improved dramatically over the past decade
2010
PEMWE
2007
PEMWE
2002
PEMWE
2001
PEMWE
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
50%
60%
70%
80%
90%
100%
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
Hydrogen Production Rate, HHV [MMBTU/h]
Current Density [A/cm 2 ]
2001 PEM
Alkaline Stack
Efficiency (HHV%)
2007 PEM
Advanced
PEM Stack
2000 PEM
Hydrogenics’ Electrolyser Efficiency
Confidential – Do not duplicate or distribute without written permission from Hydrogenics Corporation
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0 5 10 15 20 25 30 35 40
Syst
em
Eff
icie
ncy
[% H
HV
]
Electrolyser Energy Storage (MW)
Projected 30MW PEM Electrolyser System Efficiency
Nominal Capacity
The efficiency of our commercial spec PEM Electrolyser system
will benefit from higher stack efficiency and BOP scale economies
Today… Needs… Future…
2 MW Alkaline 1 MW PEM 40 MW Plant
Among the most proven
and utilized technology Tailored for large scale
energy storage
Advanced MW-scale GEN3
technology plant solutions
Power-to-Gas demonstration plants today will drive commercial
scale deployments in the future
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Illustration of a future 40 MW Power-to-Gas plant
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