Journal of Energy Storage,
Journal Year:
2023,
Volume and Issue:
62, P. 106865 - 106865
Published: Feb. 15, 2023
The
substitution
of
fossil
fuel
with
clean
hydrogen
(H2)
has
been
identified
as
a
promising
route
to
achieve
net
zero
carbon
emissions
by
this
century.
However,
enough
H2
must
be
stored
underground
at
an
industrial
scale
objective
due
the
low
volumetric
energy
density
H2.
In
storage,
cushion
gases,
such
methane
(CH4),
are
required
maintain
safe
operational
formation
pressure
during
withdrawal
or
injection
wetting
characteristics
geological
formations
in
presence
H2,
gas,
and
resultant
gas
mixture
mixing
zone
between
them
essential
for
determining
storage
capacities.
Therefore,
present
work
measured
contact
angles
four
Jordanian
oil
shale
rocks
CH4,
H2-CH4/brine
systems
their
interfacial
tension
(IFT)
(geo-storage)
conditions
(pressures
0.1
1600
psi
temperature
323
K)
evaluate
residual
structural
trapping
potential
efficiency
CH4
gas.
Various
analytical
methods
were
employed
comprehend
bulk
mineralogy,
elemental
composition,
topographic
characterization,
functional
groups,
surface
properties
rocks.
total
organic
(TOC)
effect
on
wettability
was
demonstrated
compared
previous
studies.
samples
high
ultrahigh
TOC
13
%
18
exhibited
brine
advancing/receding
angles.
rock
became
hydrophobic
highest
experimental
(1600
K).
rock/CH4/brine
higher
than
rock/H2/brine
angles,
remained
those
pure
gases.
Moreover,
IFT
displayed
inverse
trend,
where
H2/brine
CH4/brine
IFT.
results
suggest
that
geo-storage
tested
organic-rich
source
could
favorable
when
is
used
consistent
studies
using
synthetically
acid-aged
samples.
For
first
time,
from
more
realistic
situation
influence
missing
material
H2/brine/rock
geo-storage.
ACS Energy Letters,
Journal Year:
2022,
Volume and Issue:
7(7), P. 2203 - 2210
Published: June 3, 2022
The
geological
storage
of
hydrogen
is
necessary
to
enable
the
successful
transition
a
economy
and
achieve
net-zero
emissions
targets.
Comprehensive
investigations
must
be
undertaken
for
each
site
ensure
their
long-term
suitability
functionality.
As
such,
systematic
infrastructure
potential
risks
large-scale
established.
Herein,
we
conducted
over
250
batch
reaction
experiments
with
different
types
reservoir
sandstones
under
conditions
representative
subsurface,
reflecting
expected
time
scales
storage,
investigate
reactions
involving
hydrogen.
Each
experiment
was
paired
hydrogen-free
control
otherwise
identical
that
any
observed
were
due
presence
results
conclusively
reveal
there
no
risk
loss
or
integrity
degradation
abiotic
geochemical
in
sandstone
reservoirs.
Fuel,
Journal Year:
2022,
Volume and Issue:
337, P. 127032 - 127032
Published: Dec. 30, 2022
Hydrogen
future
depends
on
large-scale
storage,
which
can
be
provided
by
geological
formations
(such
as
caverns,
aquifers,
and
depleted
oil
gas
reservoirs)
to
handle
demand
supply
changes,
a
typical
hysteresis
of
most
renewable
energy
sources.
Amongst
them,
natural
reservoirs
are
the
cost-effective
secure
solutions
due
their
wide
geographic
distribution,
proven
surface
facilities,
less
ambiguous
site
evaluation.
They
also
require
cushion
native
residual
gases
serve
buffer
for
pressure
maintenance
during
storage.
However,
there
is
lack
thorough
understanding
this
technology.
This
work
aims
provide
comprehensive
insight
technical
outlook
into
hydrogen
storage
in
reservoirs.
It
briefly
discusses
operating
potential
case
studies,
thermophysical
petrophysical
properties
withdrawal
capacity,
immobilization,
efficient
containment.
Furthermore,
comparative
approach
hydrogen,
methane,
carbon
dioxide
with
respect
well
integrity
has
been
highlighted.
A
summary
key
findings,
challenges,
prospects
reported.
Based
review,
hydrodynamics,
geochemical,
microbial
factors
subsurface’s
principal
promoters
losses.
The
injection
strategy,
reservoir
features,
quality,
operational
parameters
significantly
impact
Future
works
(experimental
simulation)
were
recommended
focus
hydrodynamics
geomechanics
aspects
related
migration,
mixing,
dispersion
improved
recovery.
Overall,
review
provides
streamlined
Progress in Energy and Combustion Science,
Journal Year:
2022,
Volume and Issue:
95, P. 101066 - 101066
Published: Dec. 10, 2022
Hydrogen
(H2)
is
currently
considered
a
clean
fuel
to
decrease
anthropogenic
greenhouse
gas
emissions
and
will
play
vital
role
in
climate
change
mitigation.
Nevertheless,
one
of
the
primary
challenges
achieving
complete
H2
economy
large-scale
storage
H2,
which
unsafe
on
surface
because
highly
compressible,
volatile,
flammable.
geological
formations
could
be
potential
solution
this
problem
abundance
such
their
high
capacities.
Wettability
plays
critical
displacement
formation
water
determines
containment
safety,
capacity,
amount
trapped
(or
recovery
factor).
However,
no
comprehensive
review
article
has
been
published
explaining
wettability
conditions.
Therefore,
focuses
influence
various
parameters,
as
salinity,
temperature,
pressure,
roughness,
type,
and,
consequently,
storage.
Significant
gaps
exist
literature
understanding
effect
organic
material
capacity.
Thus,
summarizes
recent
advances
rock/H2/brine
systems
containing
reservoirs.
The
paper
also
presents
influential
parameters
affecting
capacity
including
liquid–gas
interfacial
tension,
rock–fluid
adsorption.
aims
provide
scientific
community
with
an
expert
opinion
understand
identify
solutions.
In
addition,
essential
differences
between
underground
(UHS),
natural
storage,
carbon
dioxide
are
discussed,
direction
future
research
presented.
promotes
thorough
knowledge
UHS,
provides
guidance
operating
UHS
projects,
encourages
engineers
focus
more
research,
overview
advanced
technology.
This
inspires
researchers
field
give
credit
studies.
International Journal of Hydrogen Energy,
Journal Year:
2023,
Volume and Issue:
48(44), P. 16545 - 16568
Published: Feb. 2, 2023
The
EU
is
promoting
hydrogen
as
enabling
energy
carrier
that
may
account
for
up
to
20%
of
and
especially
fulfill
between
50%
transportation
demands
5%
industrial
needs.
To
ensure
the
success
this
shift,
Power-to-Hydrogen
Hydrogen-to-X
technologies
have
attracted
significant
interest
because
they
transform
renewable
power
directly
into
green
hydrogen,
via
water
electrolysis,
which
can
be
stored
transferred
more
readily
than
other
fuels
several
end-uses.
present
paper
aims
discuss
role
such
in
current
future
systems,
with
a
specific
reference
European
scenario.
main
sectors
where
could
play
an
important
will
discussed,
transportation,
generation,
manufacturing
sectors,
refining
agriculture,
focus
on
potential
technological
integration
synergies,
providing
guideline
players
2050
discussion
about
technology
maturity
by
presenting
short-term/long-term
roadmaps.
International Journal of Hydrogen Energy,
Journal Year:
2023,
Volume and Issue:
52, P. 973 - 1004
Published: Aug. 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.
