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
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(31)
Published: June 4, 2024
Abstract
In
advancing
aqueous
zinc‐ion
batteries
(AZIBs)
toward
commercial
viability,
vanadium
(V)‐based
cathodes
are
pivotal,
offering
broad
redox
ranges,
and
compatibility
with
water's
electrochemical
limits.
Despite
their
great
potentials,
V‐based
face
challenges
in
transitioning
from
lab
to
commercialization.
Defect
engineering
is
exploited
as
a
pivotal
technique
that
endows
the
unexpected
physical
chemical
properties
break
intrinsic
bottleneck
and,
turn,
enhance
performances.
This
review
delves
into
role
of
defect
on
materials,
underscoring
its
potential
mitigating
critical
challenges.
It
starts
by
encapsulating
current
characteristics
AZIBs.
Research
efforts
related
various
defects,
such
oxygen
vacancies,
cation
cationic
doping,
anionic
water
intercalation,
lattice
disorders/amorphization,
then
rationalized
discussed.
The
fabrication
characterization
techniques
also
summarized.
By
integrating
conclusions
existing
works
tailoring
strategies,
few
perspectives
provided
for
systematically
employing
pave
way
more
efficient
transition
these
promising
materials
laboratory
breakthroughs
commercially
viable
energy
storage
solutions.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(44)
Published: May 14, 2024
Abstract
The
porous
structure
is
critical
for
carbonaceous
electrode‐based
zinc‐ion
capacitors
(ZICs)
to
achieve
excellent
electrochemical
performance,
but
the
corresponding
structure‐electrochemical
performance
relationship
yet
be
fully
understand.
Herein,
three
types
of
N‐doped
carbons
with
different
structures
are
developed
investigate
between
pore
size
distribution
and
devices.
optimized
carbon
(LVCR)
exhibits
large
surface
area,
plentiful
oxygen
functional
groups,
hierarchical
that
facilitates
electron
transfer
ion
diffusion.
Consequently,
LVCR‐based
ZIC
a
remarkable
peak
power
density
31.4
kW
kg
−1
an
impressive
specific
energy
126.6
Wh
.
Moreover,
it
demonstrates
exceptional
longevity,
retaining
capacitance
97.7%
even
after
undergoing
50
000
cycles.
Systematic
characterization
macroporous
mesoporous
determine
stages
Zn
2+
storage
kinetics.
LVCR
attributed
fast
transport
channels
provided
by
facilitated
reversible
chemisorption
desorption.
This
work
not
only
deepens
understanding
charge
mechanism,
also
provides
guidelines
rationally
designing
materials
toward
high‐performance
ZICs
in
view
relationship.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 9, 2025
Abstract
Aqueous
zinc‐ion
batteries
have
garnered
significant
attention
due
to
their
abundant
materials,
low
production
costs,
and
safety.
However,
these
suffer
from
severe
side
reactions,
which
are
closely
associated
with
the
presence
of
a
substantial
amount
solvent
at
electrode
surfaces.
Herein,
1,4,7,10,13,16‐hexaoxacyclooctadecane
(18‐crown‐6)
is
added
electrolyte
illustrate
both
theoretically
experimentally
its
contribution
rapid
desolvation
aspect.
It
shown
that
addition
18‐crown‐6
greatly
facilitates
solvated
structure
prevents
collection
molecules
on
surface
zinc
anode,
thus
inhibiting
hydrogen
precipitation
reaction.
also
enhances
transference
number
ions,
makes
interfacial
electric
field
anode
stable
promotes
orderly
diffusion
uniform
nucleation
Zn
2+
,
inhibits
growth
dendrites.
As
result,
containing
as
additives
shows
cycle
life,
Zn||Zn
symmetric
cell
cycled
for
nearly
1700
h
1
mA
cm
−2
showing
improvement
in
Coulombic
efficiency.
The
assembled
Zn||NH
4
V
O
10
exhibits
excellent
electrochemical
performance,
reaching
capacity
100.9
mAh
g
−1
even
after
4000
cycles
10.0
A
.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(13), P. 4758 - 4769
Published: Jan. 1, 2024
CB[6]
not
only
forms
complexes
with
SO
4
2−
anions
to
enhance
its
solubility,
but
also
adsorbs
horizontally
on
the
Zn
surface
form
an
H
2
O/SO
shielding
layer
and
induces
epitaxial
deposition
of
2+
along
(002)
lattice
plane.
Angewandte Chemie,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 4, 2025
Abstract
The
crosstalk
of
transition
metal
ions
between
the
oxide
cathode
and
Zn
anode
restricts
practical
applications
aqueous
zinc‐ion
batteries
(ZIBs).
Herein,
we
propose
a
decoupled
electrolyte
(DCE)
consisting
nonaqueous‐phase
(N‐phase)
anolyte
an
aqueous‐phase
(A‐phase)
catholyte
to
prevent
Mn
2+
,
thus
extending
lifespan
MnO
2
‐based
ZIBs.
Experimental
measurements
theoretical
modelling
verify
that
trimethyl
phosphate
(TMP)
not
only
synergistically
works
with
NH
4
Cl
in
N‐phase
enable
fast
conduction
while
blocking
diffusion
toward
anode,
but
also
modifies
solvation
structure
suppress
dendrite
formation
corrosion
on
anode.
Meanwhile,
A‐phase
effectively
accelerates
reaction
kinetics.
as‐developed
Zn|DCE|MnO
cell
delivers
80.13
%
capacity
retention
after
900
cycles
at
0.5
A
g
−1
.
This
approach
is
applicable
for
other
cathode‐based
ZIBs,
thereby
opening
new
avenue
developing
ultrastable
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 12, 2025
Abstract
While
aqueous
zinc
metal
batteries
(AZMBs)
have
shown
great
promise
for
large‐scale
energy
storage,
a
series
of
interfacial
side
reactions
derived
from
the
decomposition
active
water
molecules
in
Zn
2+
solvation
structures
seriously
hinder
practical
application
AZMBs.
Recently,
regulating
electrolytes
has
been
proven
to
be
effective
alleviating
reactions.
Advanced
characterization
techniques
probe
provide
powerful
tools
comprehensively
understanding
underlying
relationship
between
and
performance
Although
significant
processes
achieved
electrolyte
engineering
mechanistic
preliminarily
established,
systematic
summary
is
still
absent.
Considering
importance
engineering,
comprehensive
review
this
topic
necessary.
In
article,
advantages
scope
ever‐used
studying
are
introduced
remaining
challenges
potential
opportunities
future
discussed.
Energy & Environmental Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
By
regulating
interfacial
kinetics,
TG4/H
2
O
co-solvent
electrolyte
promotes
dense,
dendrite-free
Zn
electrodeposition,
reduces
H
O-derived
side
reactions,
and
enhances
cathode
stability,
enabling
high
reversibility
durability
for
Ah-level
ZIBs.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 22, 2025
Abstract
The
electrochemical
instability
of
electrode/electrolyte
interface
and
aqueous
electrolyte
collectively
brings
technical
barriers,
such
as
side
reactions
like
hydrogen
evolution
corrosion,
well
zinc
dendrites,
which
hinder
the
practical
application
batteries.
Here,
an
engineering
strategy
is
proposed
with
asymmetric
spatial
shielding
effect
by
employing
molecules
structure
a
cosolvent.
Such
molecule
contains
small
methyl
group
large
cyclopentyl
to
balance
migration
capability
volume,
can
not
only
promote
solvation
Zn
2+
containing
more
anions
solid
derived
from
abundant
but
also
rapidly
effectively
adsorb
on
surface
anode
remodel
electric
double
layer.
This
alleviates
corrosion
while
achieving
dendrite‐free
deposition.
Consequently,
Zn/I
2
cell
operate
stably
at
A
g
−1
for
30
000
cycles
over
180
days,
capacity
retention
79.8%.
Despite
featuring
cathode
areal
4.74
mAh
cm
−2
N/P
ratio
2.5,
Zn/NH
4
V
O
10
still
achieves
impressive
88.8%
0.5
200
cycles,
demonstrating
significant
potential
application.