Angewandte Chemie,
Год журнала:
2024,
Номер
136(46)
Опубликована: Авг. 2, 2024
Abstract
Regulating
the
electrical
double
layer
(EDL)
structure
can
enhance
cycling
stability
of
Zn
metal
anodes,
however,
effectiveness
this
strategy
is
significantly
limited
by
individual
additives.
Inspired
high‐entropy
(HE)
concept,
we
developed
a
multicomponent
(MC)
EDL
composed
La
3+
,
Cl
−
and
BBI
anions
adding
dibenzenesulfonimide
(BBI)
LaCl
3
additives
into
ZnSO
4
electrolytes
(BBI/LaCl
/ZnSO
).
Specifically,
ions
accumulate
within
to
shield
net
charges
on
surface,
allowing
more
enter
region.
Consequently,
unique
MC
enables
anodes
simultaneously
achieve
uniform
electric
field,
robust
SEI
layer,
balanced
reaction
kinetics.
Moreover,
synergistic
parameter
–
novel
descriptor
for
quantifying
collaborative
improvement
was
first
proposed
demonstrates
effect
between
Benefitting
from
these
advantages,
achieved
high
reversibility
99.5
%
at
depth
discharge
(DoD)
51.3
%,
Zn|MnO
2
pouch
cells
exhibited
stable
cycle
life
100
cycles
low
N/P
ratio
2.9.
Abstract
Aqueous
zinc
metal
batteries
(AZMBs)
are
emerging
as
a
powerful
contender
in
the
realm
of
large‐scale
intermittent
energy
storage
systems,
presenting
compelling
alternative
to
existing
ion
battery
technologies.
They
harness
benefits
zinc's
high
safety,
natural
abundance,
and
favorable
electrochemical
potential
(−0.762
V
vs
Standard
hydrogen
electrode,
SHE),
alongside
an
impressive
theoretical
capacity
(820
mAh
g
−1
5655
cm
−3
).
However,
performance
ZMBs
is
impeded
by
several
challenges,
including
poor
compatibility
with
high‐loading
cathodes
persistent
side
reactions.
These
issues
intricately
linked
inherent
physicochemical
properties
anodes
(ZMAs).
Here,
this
review
delves
into
traditional
methods
ZMAs
production,
encompassing
extraction,
electrodeposition,
rolling
processes.
The
discussion
then
progresses
exploration
cutting‐edge
methodologies
designed
enhance
ZMAs.
categorized
alloying,
pre‐treatment
substrate,
advanced
electrodeposition
techniques,
development
composite
utilizing
powder.
offers
comparative
analysis
merits
drawbacks
various
optimization
strategies,
highlighting
beneficial
outcomes
achieved.
It
aspires
inspire
novel
concepts
for
advancement
innovation
next‐generation
zinc‐based
solutions.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 3, 2025
Aqueous
zinc-ion
batteries
(AZIBs)
have
gained
increasing
attention
for
grid
energy
storage
systems.
However,
ensuring
the
long-term
reversible
operation
of
zinc
anode
remains
a
challenge
due
to
dendrite
growth
and
adverse
side
reactions
during
charge
discharge
cycles.
This
study
investigates
use
d-pantothenic
acid
(D-PA)
as
an
additive
in
2
M
ZnSO4
aqueous
electrolyte
enhance
cycling
stability
AZIBs.
Experimental
results
theoretical
calculations
demonstrate
that
D-PA
reshapes
solvation
structure
Zn2+
by
partially
replacing
coordinated
water
molecules,
transport.
Furthermore,
adsorbs
on
active
sites
anode,
surface
overpotential
(|ηs|),
reducing
nucleation
barrier,
decreasing
critical
nucleus
size
(rcrit),
thus
uniform
deposition.
dual
role
modifying
shell
regulating
effectively
mitigates
suppresses
reactions,
resulting
excellent
anode.
Consequently,
Zn||Zn
symmetrical
cells
with
maintain
stable
over
2000
h
at
1.0
mA
cm–2
cm–2,
nearly
4000
4.0
cm–2.
Additionally,
Zn||Cu
asymmetric
exhibit
300
cycles
0.5
average
Coulombic
efficiency
99.29%.
Moreover,
Zn||V2O5
full
containing
performance
1000
current
density
1
A
g–1,
maintaining
high
capacity
retention.
Specifically,
initial
cell
is
around
161.17
approximately
62.7%
retention
after
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(46)
Опубликована: Авг. 2, 2024
Regulating
the
electrical
double
layer
(EDL)
structure
can
enhance
cycling
stability
of
Zn
metal
anodes,
however,
effectiveness
this
strategy
is
significantly
limited
by
individual
additives.
Inspired
high-entropy
(HE)
concept,
we
developed
a
multicomponent
(MC)
EDL
composed
La
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 21, 2025
Abstract
Low‐concentration
electrolytes
(LCEs)
present
significant
potential
for
actual
applications
because
of
their
cost‐effectiveness,
low
viscosity,
reduced
side
reactions,
and
wide‐temperature
electrochemical
stability.
However,
current
electrolyte
research
predominantly
focuses
on
regulation
strategies
conventional
1
m
electrolytes,
high‐concentration
localized
leaving
design
principles,
optimization
methods,
prospects
LCEs
inadequately
summarized.
face
unique
challenges
that
cannot
be
addressed
by
the
existing
theories
approaches
applicable
to
three
common
mentioned
above;
thus,
tailored
provide
development
guidance
are
urgently
needed.
Herein,
a
systematic
overview
recent
progress
in
is
provided
subsequent
directions
suggested.
This
review
proposes
core
challenge
high
solvent
ratio
LCEs,
which
triggers
unstable
organic‐enriched
electrolyte/electrode
interface
formation
anion
depletion
near
anode.
On
basis
these
issues,
modification
including
passivation
construction
solvent‒anion
interaction
optimization,
used
various
rechargeable
battery
systems.
Finally,
role
advanced
simulations
cutting‐edge
characterization
techniques
revealing
LCE
failure
mechanisms
further
highlighted,
offering
new
perspectives
future
practical
application
next‐generation
batteries.
Zinc
(Zn)
metal,
with
abundant
resources,
intrinsic
safety,
and
environmental
benignity,
presents
an
attractive
prospect
as
a
novel
electrode
material.
However,
many
substantial
challenges
remain
in
realizing
the
widespread
application
of
aqueous
Zn-ion
batteries
(AZIBs)
technologies.
These
encompass
significant
material
corrosion
(This
can
lead
to
battery
failure
unloaded
state.),
hydrogen
evolution
reactions,
pronounced
dendrite
growth
at
anode
interface,
constrained
electrochemical
stability
window.
Consequently,
these
factors
contribute
diminished
lifespan
energy
efficiency
while
restricting
high-voltage
performance.
Although
numerous
reviews
have
addressed
potential
separator
design
mitigate
issues
some
extent,
inherent
reactivity
water
remains
fundamental
source
challenges,
underscoring
necessity
for
precise
regulation
active
molecules
within
electrolyte.
In
this
review,
mechanism
AZIBs
(unloaded
charge
discharge
state)
is
analyzed,
optimization
strategy
working
principle
electrolyte
are
reviewed,
aiming
provide
insights
effectively
controlling
process
reaction,
further
formation,
expanding
range
stability.
Furthermore,
it
outlines
promote
its
practical
future
development
pathways.
