Fuel,
Journal Year:
2024,
Volume and Issue:
371, P. 131899 - 131899
Published: May 24, 2024
One
of
the
major
challenges
in
harnessing
energy
from
renewable
sources
like
wind
and
solar
is
their
intermittent
nature.
Energy
production
these
can
vary
based
on
weather
conditions
time
day,
making
it
essential
to
store
surplus
for
later
use
when
there
a
shortfall.
storage
systems
play
crucial
role
addressing
this
intermittency
issue
ensuring
stable
reliable
supply.
Green
hydrogen,
sourced
renewables,
emerges
as
promising
solution
meet
rising
demand
sustainable
energy,
depletion
fossil
fuels
environmental
crises.
In
present
study,
underground
hydrogen
various
geological
formations
(aquifers,
depleted
hydrocarbon
reservoirs,
salt
caverns)
examined,
emphasizing
need
detailed
analysis
potential
hazards.
The
paper
discusses
associated
with
storage,
including
requirement
extensive
studies
understand
interactions
microorganisms.
It
underscores
importance
issue,
focus
reviewing
past
projects
sites,
well
modeling
field.
also
emphasizes
incorporating
hybrid
into
overcome
limitations
standalone
systems.
further
explores
future
integrations
green
within
dynamic
landscape.
Energy Reports,
Journal Year:
2021,
Volume and Issue:
8, P. 461 - 499
Published: Dec. 17, 2021
Without
remorse,
fossil
fuels
have
made
a
huge
contribution
to
global
development
in
all
of
its
forms.
However,
the
recent
scientific
outlooks
are
currently
shifting
as
more
research
is
targeted
towards
promoting
carbon-free
economy
addition
use
electric
power
from
renewable
sources.
While
energy
sources
may
be
solution
anthropogenic
greenhouse
gas
(GHG)
emissions
fuel
they
yet
season-dependent
faced
with
major
atmospheric
drawbacks
which
when
combined
annually
varying,
but
steady,
demand,
results
excesses
or
deficits.
Therefore,
it
essential
devise
long-term
storage
medium
balance
their
intermittent
demand
and
supply.
Hydrogen
(H2)
an
vector
has
been
suggested
viable
method
achieving
objectives
meeting
increasing
demand.
successful
implementation
full-scale
H2
requires
large-scale
(as
highly
compressible).
As
such,
geological
formations
considered
potential
where
can
withdrawn
again
at
larger
stage
for
utilization.
Thus,
this
review,
we
focus
on
underground
hydrogen
(UHS)
both
conventional
non-conventional
UHS
options
were
examined
depth.
Also,
insights
into
some
probable
sites,
related
criteria
selection
highlighted.
The
hydrodynamics
influencing
factors
(including
solid,
fluid,
solid–fluid
interactions)
summarized
exclusively.
In
addition,
economics
reaction
perspectives
inherent
examined.
findings
study
show
that
UHS,
like
other
systems,
still
infancy.
Further
needed
address
significant
hurdles
gaps
found,
particularly
replaceable
parameters.
result,
valuable
resource
researchers.
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
Renewable and Sustainable Energy Reviews,
Journal Year:
2023,
Volume and Issue:
189, P. 114001 - 114001
Published: Nov. 8, 2023
Hydrogen
is
anticipated
to
play
a
key
role
in
global
decarbonization
and
within
the
UK's
pathway
achieving
net
zero
targets.
However,
as
production
of
hydrogen
expands
line
with
government
strategies
concern
where
this
will
be
stored
for
later
use.
This
study
assesses
different
large-scale
storage
options
geological
structures
available
UK
addresses
surrounding
uncertainties
moving
towards
establishing
economy.
Currently,
salt
caverns
look
most
favourable
option,
considering
their
proven
experience
hydrogen,
especially
high
purity
natural
sealing
properties,
low
cushion
gas
requirement
charge
discharge
rates.
geographical
availability
can
act
major
constraint.
Additionally,
substantial
increase
number
new
necessary
meet
demand.
Salt
have
greater
applicability
good
short-term
solution,
however,
porous
media,
such
depleted
hydrocarbon
reservoirs
saline
aquifers,
seen
long-term
strategic
solution
energy
demand
achieve
security.
Porous
media
solutions
are
estimated
capacities
which
far
exceed
projected
Depleted
fields
generally
been
well
explored
prior
extraction.
Although
many
aquifers
offshore
UK,
characterizations
still
required
identify
right
candidates
storage.
advantages
over
make
them
favoured
option
after
caverns.
Journal of CO2 Utilization,
Journal Year:
2023,
Volume and Issue:
70, P. 102438 - 102438
Published: Feb. 27, 2023
Recently,
interest
in
developing
H2
strategies
with
carbon
capture
and
storage
(CCS)
technologies
has
surged.
Considering
that,
this
paper
reviews
recent
literature
on
blue
H2,
a
potential
low-carbon,
short-term
solution
during
the
transition
period.
Three
key
aspects
were
focus
of
paper.
First,
it
presents
processes
used
for
production.
Second,
detailed
comparison
between
natural
gas
as
fuels
energy
carriers.
The
third
aspect
focuses
CO2
sequestration
depleted
reservoirs,
an
essential
step
implementing
H2.
Globally,
∼
75%
is
produced
using
steam
methane
reforming,
which
requires
CCS
to
obtain
Currently,
needs
compete
other
advancing
such
green
solar
power,
battery
storage,
etc.
Compared
liquefied
gas,
results
lower
emissions
since
applied.
However,
transporting
compressed
entails
higher
energy,
economic,
environmental
costs.
must
be
appropriately
implemented
produce
successfully.
Due
their
established
capacity
trap
hydrocarbons
over
geologic
time
scales,
reservoirs
are
regarded
viable
option
CCS.
Such
conclusion
supported
by
several
simulation
studies
field
projects
many
countries.
Additionally,
there
much
experience
knowledge
injection
production
performance
reservoirs.
Therefore,
existing
site
infrastructure,
converting
these
formations
into
undemanding.