Swarm and Evolutionary Computation,
Год журнала:
2024,
Номер
91, С. 101701 - 101701
Опубликована: Авг. 10, 2024
The
increasing
accessibility
of
extensive
datasets
has
amplified
the
importance
extracting
insights
from
high-dimensional
data.
However,
task
selecting
relevant
features
in
these
spaces
is
made
more
difficult
due
to
curse
dimensionality.
Although
Evolutionary
Algorithms
(EAs)
have
shown
promise
literature
for
feature
selection,
creating
EAs
high
dimensions
still
challenging.
To
address
problem
selection
dimensions,
a
novel
concept
Reinforced
Markov
Chain
proposed
this
paper.
work
following
contributions
and
merits:
(i)
paradigms
evolutionary
computation,
reinforcement
learning,
chain
are
incorporated
into
an
integrational
framework
dimensional
recursive
manner.
(ii)
support
global
convergence
algorithm
manage
its
computational
complexity,
restricted
group
most
effective
agents
maintained
within
population.
(iii)
dynamic
process
efficiently
manages
agent
evolution
communication,
ensuring
navigation
through
search
space.
(iv)
Agents
moving
right
way
rewarded
with
increase
their
associated
transition
probability,
while
going
wrong
direction
discouraged
decrease
probabilities;
promotes
establishment
equilibrium
state
leads
convergence.
(v)
size
successful
reduced
recursively
progressing
different
states
further
facilitate
speed
number
features.
(vi)
performance
comparison
state-of-the-art
methods
shows
significant
improvement
method
over
existing
methods.
Carbon-based
nanomaterials,
including
graphene,
fullerenes,
and
carbon
nanotubes,
are
attracting
significant
attention
as
promising
materials
for
next-generation
energy
storage
conversion
applications.
They
possess
unique
physicochemical
properties,
such
structural
stability
flexibility,
high
porosity,
tunable
features,
which
render
them
well
suited
in
these
hot
research
fields.
Technological
advances
at
atomic
electronic
levels
crucial
developing
more
efficient
durable
devices.
This
comprehensive
review
provides
a
state-of-the-art
overview
of
advanced
carbon-based
nanomaterials
various
applications,
focusing
on
supercapacitors,
lithium
sodium-ion
batteries,
hydrogen
evolution
reactions.
Particular
emphasis
is
placed
the
strategies
employed
to
enhance
performance
through
nonmetallic
elemental
doping
N,
B,
S,
P
either
individual
or
codoping,
modifications
creation
defect
sites,
edge
functionalization,
inter-layer
distance
manipulation,
aiming
provide
general
guidelines
designing
devices
by
above
approaches
achieve
optimal
performance.
Furthermore,
this
delves
into
challenges
future
prospects
advancement
electrodes
conversion.
Materials Science for Energy Technologies,
Год журнала:
2024,
Номер
8, С. 44 - 65
Опубликована: Июль 26, 2024
Hydrogen
has
attracted
growing
research
interest
due
to
its
exceptionally
high
energy
per
mass
content
and
being
a
clean
carrier,
unlike
the
widely
used
hydrocarbon
fuels.
With
possibility
of
long-term
storage
re-electrification,
hydrogen
promises
promote
effective
utilization
renewable
sustainable
resources.
Clean
can
be
produced
through
renewable-powered
water
electrolysis
process.
Although
alkaline
is
currently
mature
commercially
available
technology
for
production,
it
several
shortcomings
that
hinder
integration
with
intermittent
fluctuating
sources.
The
proton
exchange
membrane
(PEMWE)
been
developed
offer
voltage
efficiencies
at
current
densities.
Besides,
PEMWE
cells
are
characterized
by
fast
system
response
power,
enabling
operations
broader
partial
power
load
ranges
while
consistently
delivering
high-purity
low
ohmic
losses.
Recently,
much
effort
devoted
improving
efficiency,
performance,
durability,
economy
cells.
activities
in
this
context
include
investigations
different
cell
component
materials,
protective
coatings,
material
characterizations,
as
well
synthesis
analysis
new
electrocatalysts
enhanced
electrochemical
activity
stability
minimized
use
noble
metals.
Further,
many
modeling
studies
have
reported
analyze
performance
considering
electrochemistry,
overvoltage,
thermodynamics.
Thus,
imperative
review
compile
recent
covering
multiple
aspects
one
literature
present
advancements
limitations
field.
This
article
offers
comprehensive
state-of-the-art
It
compiles
on
each
discusses
how
characteristics
these
components
affect
overall
performance.
In
addition,
various
catalyst
materials
reviewed.
thermodynamics
electrochemistry
electrolytic
splitting
described,
inherent
overvoltage
elucidated.
modeling,
aimed
analyzing
cells,
compiled.
Overall,
provides
components,
electrocatalysts,
but
pursuit
seamless
transition
energy.
Toxics,
Год журнала:
2023,
Номер
11(8), С. 658 - 658
Опубликована: Авг. 1, 2023
The
improper
disposal
of
toxic
and
carcinogenic
organic
substances
resulting
from
the
manufacture
dyes,
drugs
pesticides
can
contaminate
aquatic
environments
potable
water
resources
cause
serious
damage
to
animal
human
health
ecosystem.
In
this
sense,
heterogeneous
photocatalysis
stand
out
as
one
effective
cost-effective
depollution
technique.
use
metal
oxide
nanocomposites
(MON),
mixture
two
or
more
oxides
between
these
other
functional
semiconductor
materials,
have
gained
increasing
attention
researchers
industrial
developers
a
potential
alternative
produce
efficient
environmentally
friendly
photocatalysts
for
remediation
contamination
by
compounds.
Thus,
work
presents
an
updated
review
main
advances
in
nanocomposites-based
decontamination
polluted
substances.
A
bibliometric
analysis
allowed
show
evolution
importance
research
topic
literature
over
last
decade.
results
study
also
showed
that
hierarchical
nanostructures
oxides,
well
conducting
polymers
carbon
currently
materials
synthesis
MON,
with
better
performance
degradation
pharmaceuticals
pesticides.
Journal of Taibah University for Science,
Год журнала:
2024,
Номер
18(1)
Опубликована: Фев. 1, 2024
Nowadays,
waste
discharge
and
contaminants
in
drinking
water
have
emerged
as
a
significant
global
problem.
Therefore,
it
is
necessary
to
remove
these
pollutants
from
the
photocatalysis
best
technique
for
this
purpose.
The
co-precipitation
was
employed
produce
NiMn2O4
ZnMn2O4
photocatalyst
containing
NiMn2O4/ZnMn2O4
heterostructure
nanocomposite.
Various
analytical
techniques
been
ascribed
examine
physical,
morphological
optical
features
of
fabricated
catalysts.
XRD
diffraction
peak
patterns
were
utilized
confirm
presence
cubic
NiMn2O4,
tetragonal
phases
In
photodegradation
tests,
nanocomposite
catalyst
outperformed
individual
After
60
minutes
visible
light
exposure,
eliminated
methylene
blue
(MB)
dye,
attaining
substantially
higher
degradation
rates
than
pure
(66%)
(77%).
highly
effective
against
dye
with
efficiency
92%.
