Alexandria Engineering Journal,
Journal Year:
2023,
Volume and Issue:
74, P. 121 - 138
Published: May 17, 2023
An
optimum
process
with
a
novel
method
for
improving
the
thermodynamic
efficiency
of
conventional
post-combustion
based
on
mono-ethanolamine
(MEA)
30
wt%
solvent
is
presented.
The
presented
process,
by
preheating
rich
stream
twice
and
using
lean
vapor
compression
(LVC),
causes
regeneration
energy
(Eregen)
to
decrease,
exergy
desorption
column
increase,
net
CO2
emission
diminish.
According
simulation
results,
in
base
3.47
GJ/tCO2
has
value
2.77
proposed
scheme,
which
exhibits
20.17%
decrease.
analysis
showed
that
contributes
most
destruction
process.
performed
analysis,
reduces
from
476.67
kW
257.48
kW,
shows
45.98%
Under
these
conditions,
improved
12.2%.
Comparing
Eregen
parameter
previous
studies
demonstrated
scheme
this
paper
significant
superiority
regarding
optimizing
reboiler's
energy.
Due
addition
compressor,
heat
exchanger,
expansion
valve,
separator,
annual
capital
expenditure
(CAPEXy)
13.71%
higher
than
results
12.5%
increase
cost
capture
(CostCO2,capture).
Sustainable Energy Research,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: Feb. 4, 2024
Abstract
Solar
energy
has
emerged
as
a
pivotal
player
in
the
transition
towards
sustainable
and
renewable
power
sources.
However,
efficiency
longevity
of
solar
cells,
cornerstone
harnessing
this
abundant
source,
are
intrinsically
linked
to
their
operating
temperatures.
This
comprehensive
review
delves
into
intricate
relationship
between
thermal
effects
cell
performance,
elucidating
critical
role
that
temperature
plays
overall
efficacy
photovoltaic
systems.
The
primary
objective
is
provide
examination
how
influences
with
focus
on
its
impact
efficiency,
voltage,
current
output,
stability.
By
synthesizing
existing
knowledge
exploring
recent
advances
field,
we
aim
elucidate
underlying
mechanisms
offer
insights
mitigating
adverse
consequences.
Our
encompasses
thorough
discussion
fundamentals
including
operation
various
types,
before
delving
intricacies
effects.
We
present
an
overview
experimental
techniques
for
analysis,
factors
influencing
variations,
strategies
alleviate
stresses.
Additionally,
real-world
case
studies
discuss
future
trends
research
directions,
providing
roadmap
advancing
technology.
In
era
where
become
increasingly
vital,
understanding
addressing
imperative
maximize
cells.
article
serves
valuable
resource
researchers,
engineers,
policymakers
by
shedding
light
significance
performance
guiding
pursuit
innovative
solutions
quest
more
efficient
Journal of Material Science and Technology,
Journal Year:
2023,
Volume and Issue:
169, P. 124 - 136
Published: July 19, 2023
In
order
to
maintain
the
optimal
operating
temperature
of
battery
surface
and
meet
demand
for
thermal
storage
technology,
management
system
based
on
phase
change
materials
has
attracted
increasing
interest.
this
work,
a
kind
core-shell
structured
microcapsule
was
synthesized
by
an
in-situ
polymerization,
where
paraffin
used
as
core,
while
methanol
applied
modify
melamine-formaldehyde
shell
reduce
toxicity
improve
stability.
Moreover,
three
different
types
heat
conductive
fillers
with
same
content
10
wt.%,
i.e.,
nano-Al2O3,
nano-ZnO
carbon
nanotubes
were
added,
generating
composites.
The
microcapsules
uniform,
not
affected
fillers,
which
evenly
dispersed
around.
composite
sample
(10
wt.%)
showed
highest
conductivity
0.50
W/(m
K)
latent
139.64
J/g.
Furthermore,
according
leakage
testing
charge/discharge
experiments,
compared
Al2O3
ZnO,
addition
remarkably
enhances
ability
from
126.98
J/g
prepared
125.86
one
then
J/g,
well
dissipation
performance
cooling
effect
decreasing
2%
12%
microcapsule,
presents
broad
application
prospect
in
energy
field.
International Journal of Biological Macromolecules,
Journal Year:
2024,
Volume and Issue:
278, P. 134383 - 134383
Published: Aug. 3, 2024
Based
on
the
basic
idea
of
expanding
interlayer
spacing
MXene,
utilizing
effect
gallic
acid-modified
cellulose
nanofibers
for
rapid
moisture
separation,
flexible
sensing
and
driving
composite
film
with
a
perfect
balance
among
humidity
signal
response
mechanical
properties
was
prepared.
Inspired
by
stacking
autumn
fallen
leaves,
nanofibers-based
films
were
formed
self-assembly
under
vacuum
filtration
blending
MXene.
The
enhanced
(tensile
strength
131.1
MPa,
puncture
load
0.88
N,
tearing
165.55
N/mm,
elongation
at
break
16.14
%),
(the
stable
induced
voltage
63.7
mV
response/recovery
time
3.2/5.1
s),
(154.7°
bending
angle)
observed.
synergistic
hydrogen
bonds,
"pinning
effect"
arising
from
side
chains,
hierarchical
layered
microstructure
contributed
to
performance.
This
work
exemplifies
application
green
natural
product
preparing
intelligent
sensing,
wearable
devices,
biomimetic
robots.
