POWER October 2021 - 17
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CONTENT
Green hydrogen can be used as a long-term storage system or for various sectors of the economy, be it mobility, industry, or buildings. Source:
Siemens Energy
solutions that combine different portfolio elements to optimize
sustainability, security of supply, and affordability.
Advanced materials for turbines
I'd like to mention one other issue that we're dealing with,
which is developing the materials needed for hydrogen combustion.
We have a very clear roadmap here as well. The main challenge
is that hydrogen burns differently than natural gas, so you
need to have different designs for the burner nozzles to ensure
that the flow of hydrogen delivers a stable flame. One technology
that can help address this problem is additive manufacturing,
or 3D printing. Although using additive manufacturing for gas
turbines was originally conceived as a technology for the repair
and refurbishment of burners in older turbines, over the years it's
become mainstream in the development and manufacture of a
number of parts for hydrogen-enabled gas turbines.
Karim Amin, Siemens Energy's Executive Vice President Generation.
with an outstanding degree of purity.
Developing cost-effective electrolyzers
At present, we're working on several research projects to
scale up the size of electrolyzers by scaling up automation in the
manufacturing process and thereby reducing costs. However,
it's important to note that we don't use electrolyzers as standalone
products: They're always part of a solution. For instance,
there could be an electrolyzer on the site of a wind or solar farm
that uses green energy to produce hydrogen. Alternatively, it
could also be located next to a gas generation plant that burns
hydrogen in its turbines. As a guiding principle, we always look at
October 2021 | POWER
The right time for hydrogen
With all these technologies available, there is no doubt that
we're ready to make hydrogen a successful part of our path
toward greener energy. Except for one question, perhaps:
Many of us, including me, have lived through several hydrogen
" hype-cycles " over the past few decades. What's different this
time? I have a simple response: What's different now, aside
from advances in the technology itself, is that the environment
where we operate is vastly different. The current energy transition
is driven by both scientific imperative and public pressure.
And so, we can see it clearly before us: our voyage toward a
net-zero future fueled by green hydrogen. ■
Listen to The POWER Podcast with Karim Amin to find out how
hydrogen is going to shape our future: bit.ly/H2-Podcast
www.powermag.com
17
http://www.bit.ly/H2-Podcast
http://www.powermag.com
POWER October 2021
Table of Contents for the Digital Edition of POWER October 2021
Contents
POWER October 2021 - Cover1
POWER October 2021 - Cover2
POWER October 2021 - Contents
POWER October 2021 - 2
POWER October 2021 - 3
POWER October 2021 - 4
POWER October 2021 - 5
POWER October 2021 - 6
POWER October 2021 - 7
POWER October 2021 - 8
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POWER October 2021 - Cover3
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