Powder Metallurgy,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 20, 2025
This
study
investigates
the
correlation
between
microstructural
evolution
and
thermal
conductivity
in
additively
manufactured
CoCrNi
medium-entropy
alloy
(MEA).
Specifically,
of
as-built
MEA
was
compared
with
that
post-processed
subjected
to
hot
isostatic
pressing
(HIP).
HIP
treatment
used
reduce
defects
such
as
pores
dislocations.
The
measured
HIP-processed
exhibited
higher
values
∼12.24
W/m·K
∼3.28
at
room
temperature
deep
cryogenic
temperatures
(300
K
20
K),
(∼8.85
∼2.46
for
300
K).
improvement
is
attributed
reduced
electron
scattering
caused
by
fewer
lattice
after
post-processing.
These
findings
emphasize
fundamental
relationship
properties
both
MEAs
exceptional
conductivity.
International Journal of Hydrogen Energy,
Год журнала:
2024,
Номер
79, С. 579 - 593
Опубликована: Июль 9, 2024
The
study
presents
a
thermodynamic
and
economic
assessment
of
different
hydrogen
storage
solutions
for
heating
purposes,
powered
by
PV
panels,
10-apartment
residential
building
in
Milan,
it
focuses
on
compressed
hydrogen,
liquid
metal
hydride.
technical
involves
using
Python
to
code
models
address
performances.
analysis
evaluates
the
CAPEX,
ROI,
cost
per
unit
stored
energy.
aims
provide
an
accurate
indicators
three
methods
introduced
literature
review,
pointing
out
one
with
best
techno-economic
performance
further
development
research.
performed
shows
that
represents
alternative
but
its
is
still
too
high
small
applications.
Applying
technology
big
system
case
would
enable
solution
making
economically
feasible.
Sustainability,
Год журнала:
2024,
Номер
16(18), С. 8270 - 8270
Опубликована: Сен. 23, 2024
The
growing
interest
in
hydrogen
(H2)
has
motivated
process
engineers
and
industrialists
to
investigate
the
potential
of
liquid
(LH2)
storage.
LH2
is
an
essential
component
H2
supply
chain.
Many
researchers
have
studied
storage
from
perspective
tank
structure,
boil-off
losses,
insulation
schemes,
conditions.
A
few
review
studies
also
been
published
considering
storage;
however,
most
are
simply
collections
previous
articles.
None
these
articles
critically
evaluated
research
In
this
study,
recent
reports,
conceptual
studies,
patents
included
discussed.
Further,
challenges
recommendations
listed
based
on
literature
review.
Our
results
suggest
that
multi-layer
scheme
integrated
refrigeration
system
can
effectively
reduce
losses.
However,
losses
tanks
during
transportation
least
discussed
must
be
addressed.
cost
high,
but
it
reduced
with
advancements
materials
utilization
latest
technologies.
present
future
directions
for
include
minimizing
utilizing
improving
ensuring
cost-effective
large-scale
This
study
fundamental
new
academic
design
energy-efficient
systems.
Green Energy and Environmental Technology,
Год журнала:
2024,
Номер
3
Опубликована: Окт. 31, 2024
The
global
renewable
energy
mix
is
set
to
change
even
further
with
the
increasing
demand
for
hydrogen.
Hydrogen
production
levels
are
dramatically
increasing,
and
it
becoming
prevalent
that
storage
of
hydrogen
gas
much
more
complex
than
natural
gas.
There
many
different
options
being
investigated,
trialed,
used
within
industry.
On-land
uses
compressed
pressure
vessels
gas,
cryogenic
liquid
hydrogen,
blending
into
be
stored
in
current
pipeline
systems.
Underground
found
depleted
hydrocarbon
reservoirs,
deep
aquifers,
salt
caverns.
presents
numerous
challenges
opportunities
as
discussed
this
paper,
such
design
manufacturing,
embrittlement
behavior,
structural
integrity,
standards
regulation,
safety
high-pressure
storage,
subsea
circular
economy
prospects
design.
Various
vessel
compositions
have
been
extensively
explored
find
most
suitable
material
combinations
designs,
Type
IV
commonly
used.
However,
significant
remain
enhance
designs
efficient
storage.
Advancements
could
include
improvements
efficiency,
innovations
underground
aligned
principles.
Energies,
Год журнала:
2024,
Номер
17(15), С. 3814 - 3814
Опубликована: Авг. 2, 2024
The
telecommunication
industry
relies
heavily
on
a
reliable
and
continuous
power
supply.
Traditional
sources
like
diesel
generators
have
long
been
the
backbone
of
telecom
infrastructure.
However,
growing
demand
for
sustainable
eco-friendly
solutions
has
spurred
interest
in
renewable
energy
sources.
Proton
exchange
membrane
(PEM)
fuel
cell-based
systems,
integrated
with
solar
wind
energy,
offer
promising
alternative.
This
review
explores
potential
these
hybrid
systems
stationary
applications,
providing
comprehensive
overview
their
architecture,
management,
storage
solutions.
As
services
grows,
so
does
need
Diesel
are
linked
high
operational
costs,
noise
pollution,
significant
greenhouse
gas
emissions,
prompting
search
more
alternatives.
analyzes
current
state
PEM
cell
examines
architecture
microgrids
incorporating
sources,
discusses
optimization
methods,
challenges,
future
directions
systems.
Critical
findings
recommendations
presented,
highlighting
objectives
constraints
developments.
Leveraging
technologies
can
help
reduce
fossil
reliance,
lower
minimize
environmental
impact,
increase
system
reliability.
Hydrogen,
Год журнала:
2024,
Номер
5(3), С. 559 - 573
Опубликована: Авг. 29, 2024
Liquid
hydrogen
is
a
promising
energy
carrier
in
the
global
value
chain
with
advantages
of
high
volumetric
density/purity,
low
operating
pressure,
and
flexibility
delivery.
Safe
high-efficiency
storage
transportation
are
essential
large-scale
utilization
liquid
hydrogen.
Aiming
at
two
indicators
hold
time
normal
evaporation
rate
(NER)
required
standards,
this
paper
focuses
on
thermal
behaviors
fluid
during
no-vented
insulations
applied
for
tanks,
respectively.
After
presenting
an
overview
experimental/theoretical
investigations
behaviors,
as
well
typical
forms/testing
methods
performance
seven
perspectives
proposed
key
challenges
recommendations
future
work.
This
work
can
benefit
design
improvement
high-performance
LH2
tanks.
