Case Studies in Thermal Engineering,
Год журнала:
2023,
Номер
53, С. 103904 - 103904
Опубликована: Дек. 12, 2023
In
order
to
achieve
a
sustainable
energy
future,
it
is
of
utmost
importance
harness
solar
for
the
production
liquid
hydrogen.
This
undertaking
justified
by
significant
role
that
hydrogen
plays
as
clean
and
highly
efficient
fuel
source,
effectively
addressing
pressing
concerns
regarding
greenhouse
gas
emissions
reducing
reliance
on
conventional
fossil
fuels.
An
additional
advantage
lies
in
easy
storage
transportation
capabilities
hydrogen,
making
viable
solution
across
diverse
sectors.
this
regard,
current
research
presents
novel
solar-powered
setup
consisting
parabolic
trough
collectors
(PTSCs),
sequential
organic
Rankine
cycle
(ORC),
liquefied
natural
(LNG)
regasification
unit,
module
dedicated
subsequent
liquefaction
A
meticulously
crafted
MATLAB
code
utilized
replicate
operations
proposed
system,
facilitating
thorough
examination
its
energy,
exergy,
environmental,
economic
performance.
The
system
exhibits
net
output
power
1.13
MW
possesses
capacity
produce
at
rate
34.92
kg/h,
featuring
levelized
cost
(LCOH)
3.59
$/kg.
Additionally,
encompasses
cooling
capability
192
kW.
From
an
environmental
perspective,
configuration
contributes
decrease
carbon
dioxide
255.96
kg/h.
After
conducting
dynamic
analysis
with
meteorological
data,
was
determined
has
potential
generate
annual
536.84
tons
San
Francisco.
IEEE Access,
Год журнала:
2024,
Номер
12, С. 23363 - 23388
Опубликована: Янв. 1, 2024
The
decarbonization
of
hard-to-abate
industries
is
crucial
for
keeping
global
warming
to
below
2°C.
Green
or
renewable
hydrogen,
synthesized
through
water
electrolysis,
has
emerged
as
a
sustainable
alternative
fossil
fuels
in
energy-intensive
sectors
such
aluminum,
cement,
chemicals,
steel,
and
transportation.
However,
the
scalability
green
hydrogen
production
faces
challenges
including
infrastructure
gaps,
energy
losses,
excessive
power
consumption,
high
costs
throughout
value
chain.
Therefore,
this
study
analyzes
within
chain,
focusing
on
development
nascent
technologies.
Presenting
comprehensive
synthesis
contemporary
knowledge,
assesses
potential
impacts
sectors,
emphasizing
expansion
clean
infrastructure.
Through
an
exploration
emerging
technologies,
investigates
aspects
economic
feasibility,
sustainability
assessments,
achievement
carbon
neutrality.
Additionally,
considerations
extend
large-scale
electricity
storage
realization
net-zero
goals.
findings
suggest
that
technologies
have
significantly
increase
production,
offering
affordable
solutions
decarbonization.
affirms
global-scale
could
satisfy
up
24%
needs
by
2050,
resulting
abatement
60
gigatons
greenhouse
gas
(GHG)
emissions
-
equivalent
6%
total
cumulative
CO
2
emission
reductions.
To
comprehensively
evaluate
impact
economy
ecosystem
decarbonization,
article
feasibility
three
business
models
emphasize
choices
delivery.
Finally,
proposes
directions
future
research
valleys,
aiming
foster
interconnected
ecosystems.
Journal of Cleaner Production,
Год журнала:
2024,
Номер
445, С. 141162 - 141162
Опубликована: Фев. 10, 2024
The
decarbonization
of
industry,
heating
and
transportation
is
a
major
challenge
for
many
countries'
energy
transition.
Hydrogen
direct
low-carbon
fuel
alternative
to
natural
gas
offering
higher
flexibility
in
the
range
possible
applications,
yet
currently
most
hydrogen
produced
using
carbon-intensive
steam
methane
reforming
due
cost
considerations.
Therefore,
this
study
explores
economics
prominent
method
production,
comparing
generation
from
offshore
wind
farms
with
without
grid
electricity
imports
conventional
production
methods.
A
novel
techno-economic
model
electrolysis
costs
presented,
which
makes
fully
dispatchable,
leveraging
geological
salt-cavern
storage.
This
determines
lifetime
aportioned
across
system
components,
as
well
Levelized
Cost
(LCOH).
Using
United
Kingdom
case
study,
LCOH
power
calculated
be
€8.68/kgH2
alkaline
(AEL),
€10.49/kgH2
proton
exchange
membrane
(PEMEL),
€10.88/kgH2
backup
power.
stochastic
Monte-Carlo
used
asses
uncertainty
on
identify
capital,
electrolyser
farm
capital
costs,
important
drivers
different
scenarios.
Reducing
comparative
levels
observed
today's
alone,
could
see
AEL
fall
€5.32/kgH2,
near
competitive