Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(29)
Published: Feb. 20, 2024
Abstract
Rechargeable
Zn‐based
batteries
provide
a
compelling
supplement
to
subsistent
energy
storage
devices
owing
their
high
density,
good
safety,
and
low
cost.
Nevertheless,
inherent
imperfections
such
as
dendrite
growth,
side
reactions,
andante
reaction
kinetics,
severely
impede
commercialization.
As
new
0D
nanomaterials,
carbon
dots
(CDs)
with
unique
characteristics
excellent
electrochemical
activity,
exhibit
promising
potential
exploitation
in
electrochemistry
electrocatalysis
areas.
Herein,
the
adhibition
of
CDs
resolving
aforementioned
drawbacks
is
introduced.
To
begin
with,
concepts,
physicochemical
properties,
synthetic
methods
are
discussed.
Next,
recent
developments
advances
exploiting
respectively
ameliorating
performance
Zn
anode,
cathode,
electrolytes
ion
bifunctional
electrocatalytic
activities
including
oxygen
reduction
evolution
for
Zn‐air
batteries,
roundly
reviewed
minutely
generalized.
Finally,
current
challenges
prospects
surveyed
well,
aiming
offer
reference
blossom
advanced
batteries.
Case Studies in Thermal Engineering,
Journal Year:
2024,
Volume and Issue:
61, P. 104970 - 104970
Published: Aug. 14, 2024
In
solar
energy
utilization,
photocatalytic
hydrogen
production
has
been
widely
researched.
To
address
issues
such
as
low
efficiency
of
photocatalysts,
Cu-doped
Zn0.5Cd0.5S
composite
photocatalysts
were
prepared
using
a
hydrothermal
method
for
production.
The
Cu/Zn0.5Cd0.5S
photocatalyst
was
characterized
XRD,
XPS,
SEM,
TEM,
UV–vis-DRS,
fluorescence
spectrophotometer,
and
electrochemical
workstation.
results
indicate
that
Cu
doping
alters
the
crystal
band
structures
Zn0.5Cd0.5S.
Hydrogen
experiments
conducted
under
xenon
lamp
irradiation,
at
45
°C,
highest
rate
2.72
1.63
times
single
room
temperature
(25
°C),
respectively.
imparted
photothermal
effect
to
experiment,
enhancing
its
efficiency.Cu
captured
electrons
by
replacing
some
Zn,
constructing
an
internal
electric
field,
forming
defect
levels,
which
hindered
electron-hole
recombination.
Additionally,
ions
acted
plasma,
inducing
plasma
during
production,
accelerating
conversion
thermal
energy,
thus
improving
efficiency.
This
research
not
only
provides
but
also
utilizes
it
synergistic
catalysis.
EcoEnergy,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 3, 2024
Abstract
Recent
years
have
witnessed
a
surge
in
research
on
aqueous
zinc‐ion
batteries
(AZIBs)
due
to
their
low
cost,
stability,
and
exceptional
electrochemical
performance,
among
other
advantages.
However,
practical
manufacturing
deployment
of
AZIBs
been
hindered
by
challenges
such
as
energy
density,
significant
precipitation‐related
side
reactions,
slow
ion
migration,
dendritic
growth.
Addressing
these
issues
enhancing
the
application
necessitates
development
novel
materials.
Carbon
dots
(CDs),
with
distinctive
structure
superior
properties,
represent
an
innovative
class
carbon‐based
materials
broad
potential
applications
for
optimizing
AZIBs'
performance.
This
study
offers
comprehensive
review
how
CDs
can
address
aforementioned
AZIBs.
It
begins
overview
composition
mechanism
before
delving
into
classification,
preparation
techniques,
functionalization
strategies
CDs.
The
also
thoroughly
summarizes
sophisticated
roles
modifiers
electrolytes
electrodes,
both
positive
negative,
briefly
discusses
membranes.
Additionally,
it
provides
summary
current
difficulties
encountered
utilizing
aims
provide
insights
guidance
designing
next
generation
high‐performance
