Metals,
Journal Year:
2023,
Volume and Issue:
13(12), P. 1939 - 1939
Published: Nov. 27, 2023
The
in
situ
small
punch
(SP)
test
method
is
a
simple
screening
technology
developed
to
assess
the
hydrogen
embrittlement
(HE)
characteristics
of
structural
steels.
This
can
easily
adjust
influencing
parameters
such
as
temperature,
gas
pressure,
and
velocity
depending
on
service
environment.
With
increased
consumption,
using
pipelines
for
mass
transportation
being
considered.
study
evaluated
HE
susceptibility
API-X52
API-X70
steels,
considering
usage
investigated
effects
pressure
behaviors
each
pipe
steel
at
room
temperature
SP
energy
relative
reduction
thickness
(RRT)
determine
their
effect
quantitatively.
found
that
produced
different
effect;
lower
more
was
relieved.
Particularly,
when
high,
1
mm/min,
significantly
relaxed.
However,
below
0.01
occurred
even
low
conditions,
meaning
diffusion
within
specimen
during
testing
reached
critical
concentration
create
brittle
fracture.
Both
pipeline
steels
showed
similar
under
wide
range
H2
pressures
velocities,
showing
an
inverse
S-curve
quantitative
factors
RRT
against
1.0
mm/min
velocity.
classified
observed
into
four
types
based
qualitative
aspects.
These
findings
confirm
useful
technique,
factor
be
effectively
applied
high-pressure
environments.
Energy Policy,
Journal Year:
2024,
Volume and Issue:
186, P. 113974 - 113974
Published: Feb. 6, 2024
Climate
change
and
the
pressure
to
decarbonize,
as
well
energy
security
concerns,
have
drawn
attention
of
policymakers
industry
hydrogen
energy.
To
advance
economy
at
a
global
scale,
research
innovation
progress
is
significant
importance,
among
others.
However,
previous
studies
provided
only
limited
quantitative
evidence
effects
on
formation
market.
Instead,
they
postulate
rather
than
empirically
support
this
relationship.
Therefore,
study
analyzes
measured
by
scientific
publications,
patents,
standards
bilateral
trade
flows
for
32
countries
between
1995
2019
in
gravity
model
trade,
using
regression
analyses
Poisson
Pseudo
Maximum
Likelihood
(PPML)
estimation.
The
main
results
PPML
estimation
show
that
indeed
associated
with
increased
especially
patenting
(international)
standardization
enhancing
export
volumes.
As
policy
implications,
we
derive
public
R&D
funding
can
help
increase
competitiveness
boost
market
growth,
along
infrastructure
harmonized
regulations.
International Journal of Hydrogen Energy,
Journal Year:
2023,
Volume and Issue:
56, P. 498 - 524
Published: Dec. 28, 2023
Hydrogen
energy
technologies
are
envisioned
to
play
a
critical
supporting
role
in
global
decarbonisation.
While
low-carbon
hydrogen
is
primarily
targeted
for
reducing
industrial
emissions,
alongside
decarbonising
parts
of
the
transport
sector,
environmental
benefits
could
also
be
achieved
residential
context.
Presently,
gas-dependent
countries
such
as
Japan
and
United
Kingdom
assessing
feasibility
deploying
home
appliances,
part
their
national
strategies.
However,
prospects
transition
will
hinge
on
consumer
acceptance,
an
array
other
socio-technical
factors.
To
support
potential
ambitions
large-scale
sustained
technology
diffusion,
this
study
advances
Unified
Theory
Domestic
Acceptance.
Through
integrative,
comparative
literature
review
targeting
domestic
studies,
paper
proposes
novel
Acceptance
Model
(DHAM),
which
accounts
cognitive
emotional
dimensions
human
perceptions.
dual
interplay,
proposed
framework
can
increase
predictive
power
acceptance
models.
Energy Reports,
Journal Year:
2023,
Volume and Issue:
11, P. 208 - 217
Published: Dec. 5, 2023
Green
hydrogen
is
a
promising
alternative
to
fossil
fuels.
However,
current
production
capacities
for
electrolyzers
and
green
are
not
in
line
with
national
political
goals
projected
demand.
Considering
these
issues,
we
conducted
semi-structured
interviews
determine
the
narratives
of
different
stakeholders
during
this
transformation
as
well
challenges
opportunities
value
chain.
We
interviewed
eight
experts
roles
along
chain,
ranging
from
producers
consumers
electrolyzer
manufacturers
consultants
sphere.
Most
see
government
necessary
scale-up,
by
setting
capacity
targets,
policy
support
providing
subsidies.
also
accuse
governments
delaying
development
through
overregulation
long
implementation
times
regulations.
The
main
that
were
identified
lack
renewable
electricity
demand
hydrogen.
Demand
influenced
supply
costs,
which
partly
depend
on
prices
electrolyzers.
one
key
takeaway
skeptical
assessments
currently
discussed
estimates
price
reduction
potential
While
demand,
supply,
all
factors
influence
each
other,
they
result
feedback
loops
investment
decisions
energy
manufacturing
industries.
A
second
is,
according
experts,
new
solely
dependent
short-term
financial
gains,
but
based
expected
first
mover
advantages.
These
include
experience
market
share
seen
future
gains.
Summarized,
results
present
several
electrolyzers,
how
address
them
effectively.
insights
contribute
deeper
understanding
dynamics
emerging
Energies,
Journal Year:
2024,
Volume and Issue:
17(13), P. 3165 - 3165
Published: June 27, 2024
Building
a
hydrogen
economy
is
perceived
as
way
to
achieve
the
decarbonization
goals
set
out
in
Paris
Agreement
limit
global
warming,
well
meet
resulting
from
European
Green
Deal
for
of
Europe.
This
article
presents
literature
review
various
aspects
this
economy.
The
full
added
value
chain
was
analyzed,
its
production
through
storage,
transport,
distribution
and
use
economic
sectors.
current
state
knowledge
about
presented,
with
particular
emphasis
on
features
that
may
determine
positives
negatives
development.
It
noted
although
has
been
known
many
years,
methods
are
mainly
related
fossil
fuels,
which
result
greenhouse
gas
emissions.
area
interest
modern
science
limited
green
hydrogen,
produced
electrolysis
electricity
renewable
energy
sources.
development
clean
by
factors,
most
important
excessive
costs
producing
hydrogen.
Research
all
elements
necessary
contribute
increasing
scale
raw
material
thus
reducing
efficiencies
experience
gained.
will
be
trade,
centers
trade
differ
significantly
carrier
trade.
