Energy & Fuels,
Год журнала:
2023,
Номер
37(9), С. 6757 - 6769
Опубликована: Апрель 19, 2023
Hydrogen
can
act
as
a
potential
alternative
to
fossil
fuels;
however,
storage
of
this
energy
source
is
challenge
overcome.
Researchers
have
been
concentrating
on
geological
hydrogen
in
sandstones
and
shales.
Gas
the
latter
porous
rock
primarily
stored
adsorbed
phase,
which
inorganic
minerals,
like
montmorillonite,
illite,
kaolinite,
contribute
significantly.
In
work,
adsorption
gaseous
different
clay
minerals
has
studied
experimentally
at
low-pressure–low-temperature
(LPLT,
77
K)
high-pressure–high-temperature
(HPHT,
313
conditions.
Further,
pore
characteristics
selected
samples
analyzed
using
low-pressure
N2
(77
CO2
(273
adsorption.
Scanning
electron
microscopy
(SEM)
images
utilized
study
their
morphology,
particle
sizes,
structures.
The
role
structure
parameters
LPLT
HPHT
investigated.
Through
these
investigations,
it
found
that
specific
surface
area
micropore
volume
positively
affect
average
width
affects
negatively.
applicability
some
well-known
models,
Langmuir,
Freundlich,
Toth,
Sips,
It
Langmuir
model
gives
poor
fit
both
experimental
Toth
Sips
models
are
good
well
Earth-Science Reviews,
Год журнала:
2023,
Номер
247, С. 104599 - 104599
Опубликована: Окт. 23, 2023
Hydrogen
is
expected
to
play
a
key
role
in
the
future
as
clean
energy
source
that
can
mitigate
global
warming.
It
also
contribute
significantly
reducing
imbalance
between
supply
and
demand
posed
by
deploying
renewable
energy.
However,
infrastructure
not
ready
for
direct
use
of
hydrogen,
large-scale
storage
facilities
are
needed
store
excess
hydrogen
production.
Geological
formations,
particularly
salt
caverns,
seem
be
practical
option
this
there
already
good
experience
storing
hydrocarbons
caverns
worldwide.
Salt
known
ductile,
impermeable,
inert
natural
gas.
Some
cases
United
States,
Kingdom,
Germany
reinforce
idea
could
viable
underground
especially
when
challenges
uncertainties
associated
with
porous
media
considered.
cavern
construction
management
challenging
deposits
completely
pure
mixed
non-soluble
strata.
This
review
summarises
suggests
some
potential
mitigation
strategies
linked
geomechanical
geochemical
interactions.
The
Zechstein
group
Northern
Europe
seems
feasible
geological
site
but
effect
impurity
at
deep
offshore
sites
such
Norwegian
North
Sea
should
carefully
analysed.
appears
mechanical
integrity,
reactions,
loss
halophilic
bacteria,
leaching
issues,
diffusion
among
major
issues
internal
structure
pure.
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.
Sustainability,
Год журнала:
2024,
Номер
16(5), С. 1958 - 1958
Опубликована: Фев. 27, 2024
The
paper
adopts
an
interdisciplinary
approach
to
comprehensively
review
the
current
knowledge
in
field
of
porous
geological
materials
for
hydrogen
adsorption.
It
focuses
on
detailed
analyses
adsorption
characteristics
clay
minerals,
shale,
and
coal,
considering
effect
factors
such
as
pore
structure
competitive
with
multiple
gases.
fundamental
principles
underlying
physically
controlled
storage
mechanisms
these
matrices
are
explored.
findings
show
that
coal
is
predominantly
governed
by
physical
follows
Langmuir
equation.
capacity
decreases
increasing
temperature
increases
pressure.
presence
carbon
dioxide
methane
affects
hydrogen.
Pore
characteristics—including
specific
surface
area,
micropore
volume,
size—in
crucial
influence
Micropores
play
a
significant
role,
allowing
molecules
interact
walls,
leading
increased
enthalpy.
This
comprehensive
provides
insights
into
potential
materials,
laying
groundwork
further
research
development
efficient
sustainable
solutions.
Energies,
Год журнала:
2024,
Номер
17(2), С. 394 - 394
Опубликована: Янв. 12, 2024
Underground
Hydrogen
Storage
(UHS)
provides
a
large-scale
and
safe
solution
to
balance
the
fluctuations
in
energy
production
from
renewable
sources
consumption
but
requires
proper
detailed
characterization
of
candidate
reservoirs.
The
scope
this
study
was
estimate
hydrogen
diffusion
coefficient
for
real
caprock
samples
two
natural
gas
storage
reservoirs
that
are
candidates
underground
storage.
A
significant
number
adsorption/desorption
tests
were
carried
out
using
Dynamic
Gravimetric
Vapor/Gas
Sorption
System.
total
15
tested
at
reservoir
temperature
45
°C
both
methane.
For
each
sample,
performed
with
same
gas.
Each
test
included
four
partial
pressure
steps
sorption
alternated
desorption.
After
applying
overshooting
buoyancy
corrections,
data
then
interpreted
early
time
approximation
equation.
interpretable
step
provided
value
coefficient.
In
total,
more
than
90
estimations
120
available,
allowing
thorough
comparison
between
methane:
range
1
×
10−10
m2/s
6
10−8
methane
9
2
m2/s.
coefficients
measured
on
wet
times
lower
compared
those
dry
samples.
Hysteresis
also
observed.
