Water,
Journal Year:
2025,
Volume and Issue:
17(9), P. 1267 - 1267
Published: April 24, 2025
This
study
explores
the
challenge
of
achieving
water
and
energy
self-sufficiency
in
isolated
regions
through
design
a
hybrid
renewable
system
(HRES)
for
Skyros,
Greek
island
not
connected
to
mainland
grid.
The
proposed
integrates
wind
turbines,
photovoltaics,
pumped
hydro,
hydrogen
storage
ensure
stable
supply,
particularly
during
peak
summer
demand.
Using
advanced
R
simulations,
three
scenarios
were
analyzed
on
30
min
basis.
A
combined
meets
99.99%
demand
83%
electricity
needs.
hydro-only
covers
74%
hydrogen-only
supplies
but
just
67%
findings
indicate
annual
CO2
emission
reductions
exceeding
9600
tons.
Economic
analysis
confirms
system’s
feasibility,
with
projected
10-year
payback
period.
cost
desalinated
is
estimated
at
EUR
1/m3,
while
costs
range
from
0.083/kWh
hydro
0.093/kWh
0.101/kWh
system.
Overall,
results
highlight
potential
enhance
flexibility
complement
offering
sustainable
solutions
addressing
both
environmental
economic
challenges.
Energies,
Journal Year:
2025,
Volume and Issue:
18(7), P. 1618 - 1618
Published: March 24, 2025
Traditional
centralized
energy
grids
struggle
to
meet
urban
areas’
increasingly
complex
demands,
necessitating
the
development
of
more
sustainable
and
resilient
solutions.
Smart
microgrids
offer
a
decentralized
approach
that
enhances
efficiency,
facilitates
integration
renewable
sources,
improves
resilience.
This
study
follows
systematic
review
approach,
analyzing
literature
published
in
peer-reviewed
journals,
conference
proceedings,
industry
reports
between
2011
2025.
The
research
draws
from
academic
publications
institutions
alongside
regulatory
reports,
examining
actual
smart
microgrid
deployments
San
Diego,
Barcelona,
Seoul.
Additionally,
this
article
provides
real-world
case
studies
New
York
London,
showcasing
successful
unsuccessful
deployments.
Brooklyn
Microgrid
demonstrates
peer-to-peer
trading,
while
London
faces
regulations
funding
challenges
its
systems.
paper
also
explores
economic
policy
frameworks
such
as
public–private
partnerships
(PPPs),
localized
markets,
standardized
models
enable
adoption
at
scale.
While
PPPs
provide
financial
infrastructural
support
for
deployment,
they
introduce
stakeholder
alignment
compliance
complexities.
Countries
like
Germany
India
have
successfully
used
development,
leveraging
low-interest
loans,
government
incentives,
mechanisms
encourage
innovation
technologies.
In
addition,
examines
new
trends
utilization
AI
quantum
computing
optimize
energy,
climate
design
before
outlining
future
agenda
focused
on
cybersecurity,
decarbonization,
inclusion
technology.
Contributions
include
modular
scalable
framework,
innovative
hybrid
storage
systems,
performance-based
model
suited
environment.
These
contributions
help
fill
gap
what
is
possible
today
needed
systems
create
foundation
cities
next
century.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(11), P. 9280 - 9319
Published: May 13, 2024
At
present,
in
response
to
the
call
of
green
and
renewable
energy
industry,
electrical
storage
systems
have
been
vigorously
developed
supported.
Electrochemical
are
mostly
comprised
batteries,
which
outstanding
advantages
such
as
high
density
conversion
efficiency.
Among
them,
secondary
batteries
like
lithium
sodium
lead-acid
received
wide
attention
recent
years.
Lithium-ion
(LIBs)
existed
for
a
long
time.
However,
due
limited
resources
worldwide,
uneven
distribution,
worrying
safety
issues,
development
LIBs
has
gradually
hindered.
Meanwhile,
sodium-ion
(SIBs),
whose
working
principle
is
similar
that
LIBs,
emphasized
by
researchers
abundant
low
cost.
Moreover,
all-solid-state
(ASSBs),
higher
density,
simpler
structure,
stability
safety,
also
under
rapid
development.
Thus,
SIBs
ASSBs
both
expected
play
important
roles
applications.
This
Review
focuses
mainly
on
detailed
introduction
constituent
materials
ASSBs,
analyzing
cathode
anode
solid-state
electrolytes
(SSEs)
past
five
The
direction
each
SSE
suitable
listed
remarked,
nonactive
separators
collectors
briefly
mentioned.
Finally,
reasonable
assessment
prospects
different
preparation
methods
put
forward.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(17), P. 7631 - 7631
Published: Aug. 29, 2024
This
study
explores
the
integration
and
optimization
of
battery
energy
storage
systems
(BESSs)
hydrogen
(HESSs)
within
an
management
system
(EMS),
using
Kangwon
National
University’s
Samcheok
campus
as
a
case
study.
research
focuses
on
designing
BESSs
HESSs
with
specific
technical
specifications,
such
capacities
power
ratings,
their
into
EMS.
By
employing
MATLAB-based
simulations,
this
analyzes
dynamics,
grid
interactions,
load
strategies
under
various
operational
scenarios.
Real-time
data
from
are
utilized
to
examine
consumption,
renewable
generation,
fluctuations,
pricing
providing
key
insights
for
optimization.
finds
that
BESS
manages
fluctuations
between
0.5
kWh
3.7
over
24
h
period,
remaining
close
4
W
extended
periods.
Grid
fluctuates
−5
kW
75
kW,
while
prices
range
120
USD/kWh,
peaking
at
111
USD/kWh.
Hydrogen
varies
1
8
kWh,
ranging
−40
40
kW.
Load
keeps
stable
around
35
PV
peaks
48
by
10th
h.
The
findings
highlight
effectively
manage
distribution
storage,
improving
efficiency,
reducing
costs
approximately
15%,
enhancing
stability
20%.
underscores
potential
in
stabilizing
operations
integrating
energy.
Future
directions
include
advancements
technologies,
enhanced
EMS
capabilities
through
artificial
intelligence
machine
learning,
development
smart
infrastructures.
Policy
recommendations
stress
importance
regulatory
support
stakeholder
collaboration
drive
innovation
scale
deployment,
ensuring
sustainable
future.
Energy Reviews,
Journal Year:
2024,
Volume and Issue:
4(1), P. 100105 - 100105
Published: Aug. 10, 2024
Hydrogen
production
via
electrochemical
water
splitting
demands
high
working
voltages
(>1.23
V)
and
hence
incurs
electricity
costs,
encumbering
its
large-scale
applications.
The
development
of
more
high-efficiency
electricity-saving
systems
for
hydrogen
is
great
significance.
Hydrazine
oxidation
reaction
(HzOR)-assisted
technology,
which
constructed
by
replacing
the
anodic
oxygen
evolution
in
pure
electrolysis
with
HzOR,
can
greatly
reduce
voltage
consumption,
shows
application
prospects.
In
recent
years,
numerous
studies
have
focused
on
designing
various
bifunctional
electrocatalysts
to
simultaneously
catalyze
cathodic
reactions
HzOR-assisted
systems.
However,
comprehensive
reviews
summarizing
commenting
this
field
are
scarce.
This
review
provides
a
systematic
insightful
overview
developments
technology
from
2017
present,
primarily
focusing
catalyst
design
strategies,
catalytic
mechanisms,
economic
analysis.
Additionally,
discusses
several
challenges
outlines
future
research
directions
attract
researchers'
attention
accelerate
potential
applications
technology.
Energy Science & Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 9, 2025
ABSTRACT
Battery‐
and
hydrogen‐powered
trains
are
emerging
technologies
that
have
the
potential
to
play
a
key
role
in
decarbonization
of
railway
lines
for
which
full
trackside
electrification
is
not
feasible.
In
this
study,
we
examine
Pareto‐optimal
energy
supply
concepts
specific
location
along
Cologne–Gerolstein
line.
We
investigate
two
concepts,
one
battery
making
use
overhead
line
islands
(OHLIs),
referred
as
OHLI
concept
,
another
hydrogen
make
refueling
station
(HRSs),
HRS
.
The
public
grid,
well
renewable
sources
such
wind
PV
energy,
considered
electrical
supply.
sizing
these
takes
into
account
storage
load
time
series
each
concept.
Simulation
models
defined
evaluate
characteristics
an
located
small
town
(Gerolstein,
Germany).
Our
findings
indicate
results
more
than
twice
cost
per
MWh
(111%/MWh
higher)
compared
However,
achieves
24.7%
higher
degree
self‐sufficiency.
Furthermore,
requires
larger
system
terms
installed
power
capacity.
This
enables
entire
with
whereas
covers
only
share
overall
demand
at
under
consideration.
remaining
covered
by
existing
or
location.
This
paper
examines
the
integration
of
hydrogen
storage
in
renewable-intensive
energy
systems.
Current
technology
is
too
costly
and
inefficient,
but
reducing
costs
to
12.5%
current
levels
increasing
round-trip
efficiency
70%
could
make
it
competitive.
These
are
challenging
targets
feasible
given
positive
predictions
on
cost
reduction
attainability
currently.
Hydrogen
reduces
total
system
by
partly
replacing
lithium
batteries
lower
costs,
due
its
suitability
for
long-term
storage,
while
grid
flexibility
transmission
costs.
Moreover,
integrating
can
decrease
share
nuclear
fossil
fuels
generation
mix,
Italy
Germany
identified
as
primary
expansion
Europe.
In
scenarios
limited
supply,
becomes
more
competitive
essential
compensate
capacity
shortages,
though
may
not
reduce
