Corrosion Engineering Science and Technology The International Journal of Corrosion Processes and Corrosion Control,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 29, 2024
This
study
examines
the
crucial
role
played
by
Cu
in
electrochemical
corrosion
under
marine
and
hydrogen-coupled
environments.
The
adsorption
energies
of
hydrogen
chlorine
at
different
surface
sites
α-Fe
Cu-doped
were
analysed
using
first-principles
computations.
A
significant
increase
introduced
was
discovered
evidenced
shifts
polarisation
curves,
corresponding
with
morphologies.
Moreover,
we
delve
into
effects
on
solubility
diffusion
within
steel,
showing
that
atoms
affect
transport
altering
energy
barriers
forming
precipitates.
These
comprehensive
insights
provide
a
deeper
understanding
doping
enhancing
performance
durability
Ni-containing
steels
corrosive
hydrogen-prone
environments,
offering
valuable
guidelines
for
material
design
application
industrial
settings.
International Journal of Hydrogen Energy,
Journal Year:
2024,
Volume and Issue:
80, P. 821 - 831
Published: July 18, 2024
We
investigate
the
challenges
and
options
for
repurposing
existing
natural
gas
pipelines
hydrogen
transportation.
Challenges
of
re-purposing
are
mainly
related
to
safety
due
risk
embrittlement
pipeline
steels
smaller
molecular
size
gas.
From
an
economic
perspective,
lower
volumetric
energy
density
compared
is
a
challenge.
three
in
depth:
a)
no
modification
but
enhanced
maintenance,
b)
use
gaseous
inhibitors,
c)
pipe-in-pipe
approach.
The
levelized
costs
transportation
these
case
German
Norddeutsche
Erdgasleitung
(NEL)
pipeline.
find
similar
cost
range
all
options.
This
indicates
that
other
criteria
such
as
sunk
costs,
public
acceptance,
consumer
requirements
likely
shape
decision
making
repurposing.
SSRN Electronic Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Fuel
switching
to
hydrogen
will
assist
the
heavy
industries
in
Humber
and
other
industrial
clusters
UK
decarbonise
reach
net
zero
by
2050.
Achieving
this
require
developing
production/import
terminals
establishing
a
pipeline
transport
network
between
end-user
sites.
Reports
suggest
good
proportion
of
be
imported
Imported
form
ammonia
derivative,
due
complicated
nature
high
cost
long-distance
storage,
cracked
on
landing
liberate
for
use
industries.
Therefore,
large-scale
import
sites
are
planned
e.g.
at
Immingham
Port,
supply
such
as
ones
region,
UK.
This
study
aims
design
compare
centralised
decentralised
an
ammonia-to-hydrogen
system
case
involving
ammonia/hydrogen
from
point
UK,
nearby
Industrial
Cluster.
In
the
context
of
global
warming,
emission
greenhouse
gas
nitrous
oxide
(N
2
O)
is
an
important
factor
limiting
application
ammonia
fuels
in
marine
and
offshore
power.
Insight - Non-Destructive Testing and Condition Monitoring,
Journal Year:
2025,
Volume and Issue:
67(3), P. 172 - 180
Published: March 1, 2025
Surface
defects
on
the
insulation
layer,
hidden
in
layer
and
surface
metal
of
insulated
cladding
components
can
significantly
affect
their
normal
operation.
Distinguishing
these
three
different
types
defect
helps
to
adopt
corresponding
maintenance
plans
early
on,
which
have
practical
industrial
application
value
for
ensuring
safe
operation
enhancing
economic
benefits.
This
paper
uses
capacitive
imaging
(CI)
technique
distinguish
components.
Considering
amplitude,
gradient
size
CI
detection
signals,
a
centre
(CGV)
is
proposed.
Based
technique,
threshold
method
(CGTM)
developed
using
CGV
threshold.
The
influence
width,
depth
thickness
CGTM
discrimination
studied
through
simulation
experiment.
Simulation
experimental
results
indicate
that
when
there
are
component
simultaneously,
effectively
defect.
In
addition,
also
demonstrate
only
one
or
two
component,
not
affected
by
thickness.
Energies,
Journal Year:
2025,
Volume and Issue:
18(9), P. 2292 - 2292
Published: April 30, 2025
Offshore
wind
energy
is
increasingly
considered
a
vital
resource
to
contribute
the
renewable
future.
This
can
be
converted
clean
alternatives
such
as
hydrogen
and
ammonia
via
power-to-x
technologies,
enabling
storage,
security,
decarbonization
of
hard-to-abate
sectors.
study
assesses
techno-economic
feasibility
integrating
offshore
with
production
sustainable
carriers
their
transportation
pipelines
or
shipping.
The
methodology
incorporates
Proton
Exchange
Membrane
(PEM)
electrolysis
for
production,
seawater
desalination,
Haber–Bosch
process
production.
transport
scenarios
are
compared
evaluate
cost-effectiveness
based
on
distance
electrolyzer
capacity.
Results
show
levelized
cost
(LCOH2)
ranges
from
EUR
6.7
9.8/kg
(EUR
0.20–0.29/kWh),
(LCOA)
1.9
2.8/kg
0.37–0.55/kWh).
Transportation
costs
vary
significantly
capacity,
(LCOT)
between
0.2
15/kg
0.3
10.2/kg
Also,
distances
up
500
km,
pipeline
most
cost-effective
option
both
ammonia.
Despite
high
costs,
economies
scale
technological
improvements
make
promising
means
Journal of Renewable and Sustainable Energy,
Journal Year:
2025,
Volume and Issue:
17(3)
Published: May 1, 2025
Green
hydrogen
is
pivotal
for
transforming
China's
clean
energy
systems,
yet
analyses
of
various
carriers
and
green
electricity
transmission
remain
limited.
This
study
investigates
cost
dynamics
supply
across
six
pathways
from
production
to
refueling
within
China,
encompassing
such
as
liquid
(LH2),
organic
carriers,
methanol
(CH3OH),
ammonia
(NH3).
These
are
categorized
into
the
pathway
(I)
(II),
wherein
delivered
renewable-rich
regions
demand
centers
on-site
production,
considering
potential
risk
associated
with
storage
transportation
large
volume
hydrogen.
The
results
show
that
(II)
yields
lowest
at
12.07
USD/kg.
In
contrast,
CH3OH
most
expensive
option
30.70
Operational
expenditures
primary
drivers
costs,
while
capital
significantly
influence
conversion
delivery
phases,
especially
NH3
LH2.
Transportation
distance
critically
affects
overall
cost.
Pathway
remains
economical
over
500–5000
km.
LH2
preferred
beyond
700
km;
surpasses
LOHC
2150
km
pipeline
4300
Furthermore,
longer
annual
operating
hours
shorter
distances
can
greatly
reduce
costs.
For
example,
drops
by
92%
increase
1000
5000
decreases
500
Regional
variations
primarily
attributed
spatial
distribution
renewable
resources.
findings
highlight
importance
developing
region-specific
strategies
upgrading
infrastructure
enhance
cost-efficiency
chain.
