Journal of Building Engineering,
Journal Year:
2024,
Volume and Issue:
96, P. 110567 - 110567
Published: Sept. 1, 2024
Given
the
critical
role
of
hybrid
energy
storage
systems
in
building
sector
for
enhancing
renewable
reliability
and
integration,
this
study
examines
techno-economic
feasibility
adopting
a
dual-level
system
PV-driven
commercial
Mediterranean
climate.
The
proposed
encompasses
both
hydrogen
metal
hydride
battery
units.
Aimed
at
off-grid
electrification,
optimal
component
sizing
is
identified
by
establishing
statistical
optimization
framework
using
response
surface
methodology.
Dynamic
simulations
are
performed
through
TRNSYS
model
coupled
with
numerical
code
that
simulates
system.
Regarding
net-zero
solutions,
it
shown
share
direct
PV
electricity
supply
to
end-use
fluctuates
within
limited
range
all
scenarios,
namely
between
57.7
60.5%,
while
each
varies
distinctively
solution.
results
indicate
striking
difference
scenarios
terms
economic
aspects;
differences
$
19,791
32,621
observed
minimum
maximum
values
initial
investment
life
cycle
cost,
respectively.
levelized
cost
0.354
0.403
$/kWh,
which
case
having
lowest
payback
period
(10.8
years)
demonstrates
too.
Furthermore,
an
inverse
relationship
production
rate
observed;
highest
annual
achieved
scenario
BESS
capacity
electrolyzer
power
volume,
equal
5.77
$/kg
304.7
kg
H2/yr,
International Journal of Energy Research,
Journal Year:
2025,
Volume and Issue:
2025(1)
Published: Jan. 1, 2025
Storing
hydrogen
in
metals
has
received
much
attention
due
to
the
advantages
of
this
approach
for
safely
storing.
It
is
a
promising
method
storing
and
eliminates
challenges
associated
with
gas
at
high
pressure,
which
includes
material
durability,
tank
safety,
overall
weight.
Much
work
been
done
past
decade
bring
closer
wide‐scale
application.
However,
experimental
research
needed
improve
volumetric
gravimetric
capacity,
adsorption/desorption
kinetics,
life
cycle,
reaction
thermodynamics
potential
materials
storage.
Other
important
properties
consider
are
transient
performance,
regeneration
process
spent
storage
materials,
effective
adsorption
temperature
activation
energy,
induced
pore
sizes
increasing
volume
surface
area,
densification.
In
recent
years,
solid‐state
progressed
conditions
close
normal
atmospheric
pressure
temperature,
metal
hydrides
(MHs)
emerging
as
option.
Their
density
per
unit
volume,
capabilities,
their
ability
reverse
while
maintaining
stability
have
qualified
MHs
low‐pressure
fulfilling
requirements.
understanding
principles
kinetics
crucial
reactions
they
absorb
release
hydrogen.
This
review
evaluates
current
methods,
different
types
MHs,
well
applications
challenges.
For
advancement
further
field
study,
suggestions
future
studies
also
provided.
