IEEE Transactions on Power Electronics,
Journal Year:
2023,
Volume and Issue:
38(9), P. 10729 - 10738
Published: June 7, 2023
Based
on
the
characteristics
of
phase
change
concentrated
heat,
this
article
proposes
a
photovoltaic/phase
change/thermoelectric
(PV-PCM-TE)
self-supply
system
with
sidewall
integrated
TE.
In
system,
an
intelligent
control
circuit
for
time
is
designed
to
intelligently
switch
TE
working
mode
using
real-time
temperature
tracking.
Therefore,
material
(PCM)
delayed
enhanced
heat
absorption
and
storage
capacity,
resulting
in
greater
suppression
PV
rise.
constant
difference
during
change,
more
electrical
power
output
can
be
obtained
multistage
thermoelectric
generators
(TEGs)
PCM
container.
With
supplementary
TEG
energy
injected
into
battery,
complete
self-powered
design
constructed,
leading
improved
efficiency.
Experimental
results
show
that
compared
PV-PCM-TEG
proposed
extended
by
15
min,
where
peak
after
only
68.5
°C,
which
8
°C
lower
than
conventional
PV-TEG-PCM
system.
The
conversion
efficiency
entire
reached
30.26%,
improvement
43.15%.
PV-PCM-TE
long-time
delay
high
operate
both
day
night,
providing
green
scheme
low-power
systems.
Energies,
Journal Year:
2023,
Volume and Issue:
16(7), P. 3078 - 3078
Published: March 28, 2023
Thermal
storage
is
very
relevant
for
technologies
that
make
thermal
use
of
solar
energy,
as
well
energy
savings
in
buildings.
Phase
change
materials
(PCMs)
are
positioned
an
attractive
alternative
to
storing
energy.
This
review
provides
extensive
and
comprehensive
overview
recent
investigations
on
integrating
PCMs
the
following
low-temperature
applications:
building
envelopes,
passive
systems
buildings,
collectors,
photovoltaic
systems,
desalination
systems.
Moreover,
techniques
improving
heat
transfer
PCM
described.
All
applications
studies
indicate
all
improve
their
performance
when
applying
a
PCM.
One
most
beneficiated
combined
PV-Thermal
(PVT),
where
some
authors
reported
increase
overall
efficiency
greater
than
40%.
Renewable Energy,
Journal Year:
2023,
Volume and Issue:
210, P. 451 - 461
Published: April 17, 2023
Water
flow
cooling
is
a
cost-effective
and
environmentally
friendly
way
to
enhance
the
performance
of
photovoltaic
(PV)
system.
However,
most
studies
have
investigated
PV
unit
with
water
in
steady-state
condition.
Therefore,
as
novelty,
this
study
aims
at
modeling
investigation
system
transient
For
50W
polycrystalline
module,
annual
experimental
data
utilized
find
its
response
cooling,
which
covers
temperature
power
improvement
(ΔT
ΔP).
An
artificial
neural
network
(ANN)
developed
using
for
prediction
ΔT
ΔP.
ANN
validated
then,
provide
comprehensive
discussion
about
impact
effective
parameters
on
response.
According
results,
all
cases,
there
threshold
value
rate.
instance,
when
wind
velocity
ambient
are
1
ms−1
25
°C,
values
solar
radiation
800,
1000,
1200
Wm-2
0.009,
0.013,
0.015
kgs−1,
respectively.
Moreover,
irradiance
great
impacts
dimensionless
ΔP,
while
least
one.
Stahlbau,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 16, 2025
Abstract
Die
Integration
von
Photovoltaik
(PV)
in
Gebäude
erschließt
ein
großes
Flächenpotenzial
für
die
solare
Energiegewinnung
und
trägt
damit
maßgeblich
zur
Energiewende
Deutschland
bei.
Neben
den
Dachflächen
kommt
Fassaden
eine
besondere
Bedeutung
zu.
Allerdings
führt
Überhitzung
Konstruktionen
nach
aktuellem
Stand
der
Technik
zu
hohen
Konstruktionstiefen
aufgrund
notwendiger
Hinterlüftung.
In
hier
beschriebenen
Studie
wurde
schlanke
Lösung
BIPV‐Warmfassaden
entwickelt
beispielhaft
am
CAE
Energy
Efficiency
Center
Würzburg
als
Demonstrationsfassade
umgesetzt.
Das
System
nutzt
Phasenwechselmaterialien
(PCM)
latenten
Kühlung
Vakuumisolationspaneele
(VIP)
Wärmedämmung.
Der
integrale
Ansatz
ermöglichte
signifikante
Reduktion
Systemdicke
bei
gleichzeitig
hoher
Dämmleistung.
Angesichts
erfolgreich
umgesetzten
Demo‐Fassade
mit
durchgeführtem
Monitoring
Untersuchung
im
Ergebnis
einer
positiven
Einschätzung
strukturellen,
thermischen
energetischen
Eigenschaften
Entwicklung.
