SPE Journal,
Journal Year:
2024,
Volume and Issue:
29(06), P. 3369 - 3386
Published: March 4, 2024
Summary
CO2
flooding
is
emerging
as
a
pivotal
technique
used
extensively
for
carbon
capture,
utilization,
and
storage
(CCUS)
strategies.
Acid
stimulation
one
common
widely
to
improve
well-formation
connectivity
by
creating
wormholes.
This
work
motivated
investigate
the
gas-fingering
behavior
induced
acid
during
flooding.
We
present
an
integrated
simulation
framework
couple
processes,
in
which
two-scale
continuum
model
development
of
wormhole
dissolution
patterns.
Then,
sensitivity
case
simulations
are
conducted
through
equation
state
(EOS)–based
compositional
further
analyze
fingering
formations
separately
under
immiscible
miscible
conditions.
Results
demonstrate
that
stimulation,
typical
patterns
optimal
injection
rate
corresponding
minimum
breakthrough
volume
observed
laboratory
prevalent
field-scale
simulations.
For
simulation,
trigger
(bypassing
due
high
conductivity
wormholes)
stimulated
region,
lateral
boundary
effect
eliminating
fingers
exerts
its
influence
over
system
transverse
mixing.
The
varies
when
focus
interest
changes
from
performance.
best
performance
always
uniform
dissolution,
have
greater
on
provides
technical
theoretical
support
practical
application
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
939, P. 173622 - 173622
Published: May 29, 2024
This
review
critically
examines
hydrogen
energy
systems,
highlighting
their
capacity
to
transform
the
global
framework
and
mitigate
climate
change.
Hydrogen
showcases
a
high
density
of
120
MJ/kg,
providing
robust
alternative
fossil
fuels.
Adoption
at
scale
could
decrease
CO
International Journal of Hydrogen Energy,
Journal Year:
2024,
Volume and Issue:
67, P. 1270 - 1294
Published: March 27, 2024
The
demand
for
clean
and
sustainable
energy
solutions
is
escalating
as
the
global
population
grows
economies
develop.
Fossil
fuels,
which
currently
dominate
sector,
contribute
to
greenhouse
gas
emissions
environmental
degradation.
In
response
these
challenges,
hydrogen
storage
technologies
have
emerged
a
promising
avenue
achieving
sustainability.
This
review
provides
an
overview
of
recent
advancements
in
materials
technologies,
emphasizing
importance
efficient
maximizing
hydrogen's
potential.
highlights
physical
methods
such
compressed
(reaching
pressures
up
70
MPa)
material-based
approaches
utilizing
metal
hydrides
carbon-containing
substances.
It
also
explores
design
considerations,
computational
chemistry,
high-throughput
screening,
machine-learning
techniques
employed
developing
materials.
comprehensive
analysis
showcases
potential
addressing
demands,
reducing
emissions,
driving
innovation.
International Journal of Hydrogen Energy,
Journal Year:
2024,
Volume and Issue:
71, P. 433 - 464
Published: May 22, 2024
This
paper
provides
an
in-depth
examination
of
critical
and
strategic
raw
materials
(CRMs)
their
crucial
role
in
the
development
electrolyzer
fuel
cell
technologies
within
hydrogen
economy.
It
methodically
analyses
a
range
technologies,
including
alkaline,
proton-exchange
membrane,
solid-oxide,
anion-exchange
proton-conducting
ceramic
systems.
Each
technology
is
examined
for
its
specific
CRM
dependencies,
operational
characteristics,
challenges
associated
with
availability
sustainability.
The
study
further
extends
to
storage
separation
focusing
on
employed
high-pressure
cylinders,
metal
hydrides,
processes,
implications.
A
key
aspect
this
exploration
supply
demand
dynamics
CRMs,
offering
comprehensive
view
that
encompasses
both
present
sttate
future
projections.
aim
uncover
potential
risks,
understand
strategies,
identify
bottlenecks
involved
addressing
current
needs
demands
as
well
supply.
approach
essential
planning
sustainable
sector,
emphasizing
importance
CRMs
achieving
expanded
capacity
leading
up
2050.
International Journal of Hydrogen Energy,
Journal Year:
2024,
Volume and Issue:
61, P. 251 - 264
Published: March 1, 2024
With
the
decarbonization
and
electrification
of
modern
railway
transportation,
demand
for
both
high-capacity
electrical
energy
hydrogen
fuel
is
increasingly
high.
A
novel
scheme
was
proposed
from
liquid
production
by
surplus
wind
solar
energy,
to
hydrogen-electricity
hybrid
transmission
transportation.
The
100
MW
pipeline
designed
with
10
kA/1.5
kV
superconducting
DC
cable
electricity
cryogenic
layers
nitrogen,
showing
strong
capability
in
transmitting
"electricity
+
cold
chemical
energy"
simultaneously.
Economic
evaluation
performed
respect
equipment
capacity,
costs,
sensitivity
profitability
analysis.
discount
rate
8%,
dynamic
payback
period
7.1
years.
Results
indicated
that
shortest
4.8
years,
maximum
distance
93
km.
Overall,
this
article
shows
concept
design
pipelines,
proves
technical
economic
feasibilities
future
bulk
