Energy & Fuels,
Год журнала:
2024,
Номер
38(5), С. 4733 - 4742
Опубликована: Фев. 21, 2024
Hydrogen
(H2)
energy
is
a
promising
transition
pathway
from
conventional
fossil
fuels
to
sustainable
clean
energy.
However,
H2
requires
large
storage
capacity
because
of
its
low
volumetric
energy–density
nature.
Underground
sites
provide
ample
space
for
storage.
In
this
work,
we
proposed
general
workflow
select
saline
aquifers'
optimal
sites,
considering
the
and
operational
efficiency.
We
developed
comprehensive
data
set
high-fidelity
numerical
simulations
quantify
effects
geologic
operating
parameters
on
performance.
The
simulation
results
are
used
train
robust
reduced-order
model
(ROM)
estimate
Due
high
accuracy
flexibility,
selected
multilayer
perceptron
develop
our
ROM.
mean
squared
errors
all
ROMs
less
than
0.0001,
coefficients
determination
(R2)
were
higher
0.99.
Integrating
performance
estimations
with
calculations
capacity,
quantitatively
evaluated
in
aquifers
using
designed
objective
function.
applied
Intermountain-West
(I-WEST)
region,
which
central
mountain
area
United
States,
including
Arizona,
Colorado,
New
Mexico,
Montana,
Utah,
Wyoming.
identified
top
three
12
potential
sites.
Our
agnostic
region
could
be
other
areas.
Generally,
work
supports
safe
efficient
operations
I-WEST
region.
International Journal of Hydrogen Energy,
Год журнала:
2023,
Номер
52, С. 973 - 1004
Опубликована: Авг. 8, 2023
Hydrogen
is
considered
as
a
promising
fuel
in
the
21st
century
due
to
zero
tailpipe
CO2
emissions
from
hydrogen-powered
vehicles.
The
use
of
hydrogen
vehicles
can
play
an
important
role
decarbonising
transport
sector
and
achieving
net-zero
targets.
However,
there
exist
several
issues
related
production,
efficient
storage
system
refuelling
infrastructure,
where
current
research
focussing
on.
This
study
critically
reviews
analyses
recent
technological
advancements
distribution
technologies
along
with
their
cost
associated
greenhouse
gas
emissions.
paper
also
comprehensively
discusses
methods,
identifies
fast
explores
control
strategies.
Additionally,
it
explains
various
standard
protocols
relation
safe
refuelling,
economic
aspects
presents
infrastructure.
suggests
that
production
significantly
varies
one
technology
others.
fossil
sources
using
most
established
were
estimated
at
about
$0.8–$3.5/kg
H2,
depending
on
country
production.
underground
exhibited
lowest
cost,
followed
by
compressed
liquid
storage.
levelised
station
was
reported
be
$1.5–$8/kg
station's
capacity
country.
Using
portable
stations
identified
option
many
countries
for
small
fleet
size
low-to-medium
duty
Following
progresses,
this
end
knowledge
gaps
thereby
future
directions.
Engineering,
Год журнала:
2024,
Номер
40, С. 211 - 225
Опубликована: Апрель 12, 2024
Hydrogen
has
emerged
as
a
promising
alternative
to
meet
the
growing
demand
for
sustainable
and
renewable
energy
sources.
Underground
hydrogen
storage
(UHS)
in
depleted
gas
reservoirs
holds
significant
potential
large-scale
seamless
integration
of
intermittent
sources,
due
its
capacity
address
challenges
associated
with
nature
ensuring
steady
reliable
supply.
Leveraging
existing
infrastructure
well-characterized
geological
formations,
offer
an
attractive
option
implementation.
However,
knowledge
gaps
regarding
performance
hinder
commercialization
UHS
operation.
deliverability,
trapping,
equation
state
are
key
areas
limited
understanding.
This
literature
review
critically
analyzes
synthesizes
research
on
during
underground
reservoirs;
it
then
provides
high-level
risk
assessment
overview
techno-economics
UHS.
The
significance
this
lies
consolidation
current
knowledge,
highlighting
unresolved
issues
proposing
future
research.
Addressing
these
will
advance
hydrogen-based
systems
support
transition
landscape.
Facilitating
efficient
safe
deployment
assist
unlocking
hydrogen's
full
clean
carrier.
In
addition,
aids
policymakers
scientific
community
making
informed
decisions
technologies.
Fuel,
Год журнала:
2024,
Номер
364, С. 131038 - 131038
Опубликована: Янв. 28, 2024
With
the
long-standing
efforts
of
green
transition
in
our
society,
underground
hydrogen
storage
(UHS)
has
emerged
as
a
viable
solution
to
buffering
seasonal
fluctuations
renewable
energy
supplies
and
demands.
Like
operations
hydrocarbon
production
geological
CO2
storage,
successful
UHS
project
requires
good
understanding
subsurface
formations,
while
having
different
operational
objectives
practical
challenges.
Similar
situations
problems,
information
formations
at
field
level
cannot
be
obtained
through
direct
measurements
due
resulting
high
costs.
As
such,
there
is
need
for
characterization
monitoring
scale,
which
uses
certain
history
matching
algorithm
calibrate
numerical
model
based
on
available
data.
Whereas
have
been
widely
used
activities
better
reservoirs,
best
knowledge,
present
it
appears
relatively
less
touched
area
problems.
This
work
aims
narrow
this
noticed
gap,
investigates
use
an
ensemble-based
workflow
3D
case
study.
Numerical
results
study
indicate
that
works
reasonably
well,
also
identifying
some
particular
challenges
would
relevant
real-world
Energies,
Год журнала:
2023,
Номер
16(13), С. 4837 - 4837
Опубликована: Июнь 21, 2023
In
the
process
of
building
a
new
power
system
with
energy
sources
as
mainstay,
wind
and
photovoltaic
enter
multiplication
stage
randomness
uncertainty,
foundation
support
role
large-scale
long-time
storage
is
highlighted.
Considering
advantages
hydrogen
in
large-scale,
cross-seasonal
cross-regional
aspects,
necessity,
feasibility
economy
participation
under
are
discussed.
Firstly,
supply
demand
production
simulations
were
carried
out
based
on
characteristics
generation
China.
When
penetration
reaches
45%,
long-term
becomes
an
essential
regulation
tool.
Secondly,
by
comparing
duration,
scale
application
scenarios
various
technologies,
it
was
determined
that
most
preferable
choice
to
participate
storage.
Three
methods
screened
from
numerous
including
salt-cavern
storage,
natural
gas
blending
solid-state
Finally,
analyzing
development
status
above
three
types
geographical
resource
endowment
China,
pointed
China
will
form
“solid
state
ground
salt
cavern
underground”
future.
