Energy,
Journal Year:
2024,
Volume and Issue:
303, P. 131905 - 131905
Published: June 1, 2024
Mitigating
climate
change
requires
a
variety
of
energy
technologies
and
simulation
approaches
to
evaluate
the
best
possible
system
structures.
Screening
whether
novel
are
viable
solution
for
particular
country
within
cost-optimised
setup
is
usually
simulation-
time-intensive.
This
study
introduces
add-on
optimisation
tool
EP-ALISON-LUT
use
in
combination
with
EnergyPLAN
applied
test
case
wave
power
Seychelles
2030
2050
structured
sensitivity
analysis.
The
enables
high
number
setups
scenarios,
including
import
domestic
production
electricity-based
fuels,
be
modelled,
allowing
an
in-depth
view
impacts
integrating
power.
results
indicate
limited
role
due
its
relatively
low
yield,
especially
2030.
However,
2050,
up
500
MW
capacity
lower
or
similar
levelised
cost
final
compared
reference
scenario
2019,
which
can
benefit
diversification
generation
portfolio.
Thus,
this
fast
effective
technology
screening
studies
requiring
algorithm.
Energy & Environmental Science,
Journal Year:
2023,
Volume and Issue:
16(7), P. 2879 - 2909
Published: Jan. 1, 2023
Green
methanol
and
green
ammonia
produced
by
renewable
electricity
electricity-based
hydrogen
become
the
backbone
for
a
defossilised
global
chemical
industry.
International Journal of Hydrogen Energy,
Journal Year:
2023,
Volume and Issue:
49, P. 351 - 359
Published: Aug. 28, 2023
As
energy
system
research
into
high
shares
of
renewables
has
developed,
so
have
the
perspectives
fundamental
nature
a
highly
renewable
economy.
Early
transition
suggested
that
current
fossil
fuel
systems
would
to
'Hydrogen
Economy',
whereas
more
recent
insights
suggest
'Power-to-X
Economy'
may
be
appropriate
term,
as
electricity
will
become
both
most
important
primary
and
final
carrier
through
various
Power-to-X
conversion
routes
across
system.
This
paper
provides
detailed
overview
on
years
core
elements
Economy
role
hydrogen
based
latest
results.
These
results
that,
by
2050,
upwards
61,737
TWhLHV
required
fully
defossilise
global
energy-industry
Hydrogen,
therefore,
emerges
central
intermediate
its
relevance
is
driven
significant
cost
reductions
in
electricity,
especially
solar
photovoltaics
wind
power.
Efficiency
drivers
position
direct
electrification
solution
for
defossilisation
system;
however,
electron-to-molecule
are
essential
large
subset
remaining
energy-related
demands
including
chemical
production,
marine
aviation
fuels,
steelmaking.
Applied Energy,
Journal Year:
2023,
Volume and Issue:
347, P. 121369 - 121369
Published: June 18, 2023
Widely
available
and
low-cost
solar
photovoltaics
wind
power
can
enable
production
of
renewable
electricity-based
hydrogen
at
many
locations
throughout
the
world.
Hydrogen
is
expected
to
emerge
as
an
important
energy
carrier
constituting
some
final
demand;
however,
its
most
role
will
be
feedstock
for
further
processing
e-fuels,
e-chemicals,
e-steel.
Apart
from
meeting
their
own
demand,
countries
may
have
opportunities
export
with
area
limitations
or
higher
costs.
This
paper
assesses
feasibility
e-hydrogen
imports
Germany
Finland
two
case
regions
a
high
availability
electricity,
Chile
Morocco,
in
comparison
domestic
supply.
Special
attention
paid
transport
infrastructure,
which
has
crucial
impact
on
economic
viability
via
routes,
shipping
pipelines.
study
found
that
despite
lower
costs
Morocco
compared
Finland,
additional
transportation
make
economically
unattractive.
In
early
2020s,
imported
fuel
are
39–79%
34–100%
than
produced
respectively.
2050,
projected
39–70%
more
expensive
locally
43–54%
Finland.
e-Hydrogen
become
mostly
domestically
feasible
only
specific
locations.
Local
also
dependence
imports,
enhance
security,
add
jobs.
Nature Energy,
Journal Year:
2024,
Volume and Issue:
9(4), P. 491 - 503
Published: April 24, 2024
Abstract
On
the
path
to
climate
neutrality,
global
production
locations
and
trade
patterns
of
basic
materials
might
change
due
heterogeneous
availability
renewable
electricity.
Here
we
estimate
‘renewables
pull’,
that
is,
energy-cost
savings,
for
varying
depths
relocation
three
key
tradable
energy-intensive
industrial
commodities:
steel,
urea
ethylene.
For
an
electricity-price
difference
€40
MWh
−1
,
find
respective
savings
18%,
32%
38%,
which
might,
despite
soft
factors
in
private
sector,
lead
green
relocation.
Conserving
today’s
by
shipping
hydrogen
is
substantially
costlier,
whereas
trading
intermediate
products
could
save
costs
while
keeping
substantial
value
creation
renewable-scarce
importing
regions.
In
regions,
a
societal
debate
on
macroeconomic,
geopolitical
implications
needed,
potentially
resulting
selective
policies
green-relocation
protection.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(10), P. 3503 - 3522
Published: Jan. 1, 2024
The
production
cost
of
green
methanol
from
renewable
electricity-based
hydrogen
and
atmospheric
carbon
dioxide
could
reach
market
prices
by
2040,
making
it
a
potential
solution
for
defossilisation
the
global
chemical
industry
marine
transport.
Environmental Research,
Journal Year:
2024,
Volume and Issue:
246, P. 118163 - 118163
Published: Jan. 11, 2024
The
ecological
transition
in
the
transport
sector
is
a
major
challenge
to
tackle
environmental
pollution,
and
European
legislation
will
mandate
zero-emission
new
cars
from
2035.
To
reduce
impact
of
petrol
diesel
vehicles,
much
emphasis
being
placed
on
potential
use
synthetic
fuels,
including
electrofuels
(e-fuels).
This
research
aims
examine
levelised
cost
(LCO)
analysis
e-fuel
production
where
energy
source
renewable.
used
process
expected
come
photovoltaic
plant
other
steps
required
produce
e-fuel:
direct
air
capture,
electrolysis
Fischer-Tropsch
process.
results
showed
that
LCOe-fuel
baseline
scenario
around
3.1
€/l,
this
value
mainly
influenced
by
component
followed
hydrogen
one.
Sensitivity,
risk
analyses
are
also
conducted
evaluate
alternative
scenarios,
it
emerges
84%
cases,
ranges
between
2.8
€/l
3.4
€/l.
findings
show
current
not
competitive
with
fossil
yet
development
e-fuels
supports
protection.
concept
pragmatic
sustainability,
incentive
policies,
technology
development,
industrial
symbiosis,
economies
scale
learning
can
supporting
decarbonization
sector.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(10)
Published: March 7, 2024
Abstract
Hydrogen
storage
is
a
crucial
step
in
commercializing
hydrogen‐based
energy
production.
Solid‐state
hydrogen
has
gained
much
attention
from
researchers
and
needs
extensive
research.
In
the
present
study,
we
investigate
structural,
mechanical,
optoelectronic
properties
of
lithium‐based
LiAH
3
(A=Mn,
Fe,
Co)
metal
hydrides
to
elucidate
their
potential
for
solid‐state
storage.
First,
evaluate
structure
stability
using
formation
enthalpies
calculations.
Then,
mechanical
determined
by
elastic
stiffness
constants,
which
reveal
that
are
stable
mechanically
as
they
meet
Born
requirements.
Electronic
band
calculations
manifest
all
possess
metallic
character.
Several
optical
have
been
discussed
detail.
The
gravimetric
capacities
LiMnH
,
LiFeH
LiCoH
4.65,
4.60
4.39
wt%,
respectively,
achieving
target
US‐DOE
rechargeable
equipment.
Additionally,
volumetric
(C
v
)
hydrides.
It
worth
mentioning
highest
C
values
obtained
be
180.80,
188.18
177.25
gH
2
l
−1
hydrides,
achieved
set
2025.
Our
investigation
predicts
applicability
promising
materials.
Renewable and Sustainable Energy Reviews,
Journal Year:
2024,
Volume and Issue:
195, P. 114325 - 114325
Published: Feb. 22, 2024
Biofuel
is
an
eco-friendly
fuel
that
can
reduce
CO2
emissions
by
65%
compared
to
using
petroleum-based
fuels.
The
commercialized
biodiesel,
which
contains
oxygen
atom
within
its
molecules,
only
used
in
blends
with
diesel,
but
renewable
diesel-like
hydrocarbons,
completely
substitute
However,
the
deoxygenation
process
produce
diesel
and
jet
fuel,
solvents
are
injected
enhance
physical
properties
of
reactants
supply
hydrogen,
thereby
increasing
expenditure.
Therefore,
this
review,
research
results
published
over
past
10
years
regarding
production
fuels
under
solvent-free
conditions
have
been
critically
reviewed.
effects
feedstocks,
atmospheric
(type
gas
pressure),
reaction
temperature/time,
catalyst
type
loading
on
mechanism
catalytic
performance
carefully
compared.
Fatty
acids
triglycerides
require
reactions,
while
furan
compounds
necessitate
not
also
aldol
condensation
reactions
biofuel.
Higher
H2
pressure
temperature
activity,
these
parameters
should
be
optimized
considering
cost
side
reactions.
Noble
metal
catalysts
reported
exhibit
high
for
economic
reasons,
non-noble
transition
metals
being
widely
investigated.
Ni
most
commonly
catalysts,
varies
depending
acidity
acid
sites
catalyst.
feasibility
biofuels
produced
assessed
comparing
commercial
fuel.
Energies,
Journal Year:
2024,
Volume and Issue:
17(16), P. 3995 - 3995
Published: Aug. 12, 2024
E-fuels
represent
a
crucial
technology
for
transitioning
to
fossil-free
energy
systems,
driven
by
the
need
eliminate
dependence
on
fossil
fuels,
which
are
major
environmental
pollutants.
This
study
investigates
production
of
carbon-neutral
synthetic
focusing
e-hydrogen
(e-H2)
generated
from
water
electrolysis
using
renewable
electricity
and
carbon
dioxide
(CO2)
captured
industrial
sites
or
air
(CCUS,
DAC).
E-H2
can
be
converted
into
various
e-fuels
(e-methane,
e-methanol,
e-DME/OME,
e-diesel/kerosene/gasoline)
combined
with
nitrogen
produce
e-ammonia.
These
serve
as
efficient
carriers
that
stored,
transported,
utilized
across
different
sectors,
including
transportation
industry.
The
first
objective
is
establish
clear
framework
encompassing
required
feedstocks
technologies,
such
electrolysis,
capture,
techniques,
followed
an
analysis
e-fuel
synthesis
technologies.
second
evaluate
these
technologies’
technological
maturity
sustainability,
comparing
conversion
efficiency
greenhouse
gas
emissions
their
electric
counterparts.
sustainability
hinges
electricity.
Challenges
future
prospects
system
based
discussed,
aiming
inform
debate
e-fuels’
role
in
reducing
fuel
dependency.
