Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 20, 2024
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.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
Abstract
Aqueous
zinc
(Zn)
batteries
hold
significant
promise
as
large‐scale
energy
storage
solutions
aimed
at
mitigating
the
intermittency
of
renewable
energy.
Nevertheless,
Zn
anode
is
plagued
by
a
series
adverse
reactions,
hindering
development
toward
practical
applications.
Herein,
concept
polyetheramine
nematic
spatial
effects
that
reshape
inner
and
outer
Helmholtz
planes
to
stabilize
introduced.
Theoretical
calculations
characterizations
confirm
reshaped
exhibit
water/suflate‐repulsive
homogeneous
2+
transport
interface,
enabling
highly
stable
for
energetic
batteries.
Consequently,
anode‐free
half‐cells
under
achieve
cycling
over
390
h
an
areal
capacity
50
mAh
cm
−2
1500
10
.
The
constructed
Zn‐V
2
O
5
Zn‐MnO
cycle
performance
1000
2000
cycles,
respectively.
Importantly,
enlarged
pouch
cell
with
300
demonstrates
specific
176
g
−1
after
cycles.
Moreover,
displays
successful
integration
photovoltaic
panels
along
notable
safety
features.
This
superior
electrical
double‐layer
regulation
strategy
offers
valuable
insights
into
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.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 2, 2025
Abstract
Regulating
the
H‐bond
network
between
H
2
O
molecules
has
been
regarded
as
an
effective
strategy
to
reconfigure
chemical
environment
at
electrode/electrolyte
interface
(EEI),
but
intrinsic
relationship
hydrogen‐bond
(H‐bond)
network,
solvation
structure,
and
EEI
in
electrolyte
remains
unclear.
To
this
end,
three
additives
with
same
carbon
skeleton
different
hydroxyl
functional
groups
are
chosen
unlock
their
triangular
relationship.
Experimental
theoretical
calculations
demonstrate
that
2‐methyl‐1,3‐propanediol
(MP)
bearing
strong
kosmotropic
effect
modest
steric‐hindrance
not
only
form
a
stable
H‐bonds
by
breaking
original
of
also
reconstruct
structure
Zn
2+
,
predominantly
inhibiting
O‐triggered
side
reactions.
Meanwhile,
synergistic
direction
on
MP
ensures
adsorption
EEI,
promoting
uniform
diffusion
deposition.
Consequently,
assembled
Zn||Zn
symmetric
cell
provides
3000
h
cycle
life
(0.5
mA
cm
−2
0.5
mAh
)
ZnSO
4
+MP
electrolyte,
Zn||Cu
asymmetric
maintains
high
CE
99.41%
after
1000
cycles
1
.
The
full
exhibits
excellent
rate
capability
satisfactory
discharge‐specific
capacity.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 5, 2025
Abstract
Traditional
aqueous
electrolytes
have
a
limited
electrochemical
stability
window
due
to
the
decomposition
voltage
of
water
(≈1.23
V).
“Water‐in‐Salt”
(WIS)
are
developed,
which
expand
from
1.23
3
V
and
sparked
global
surge
research
in
batteries.
This
breakthrough
revealed
novel
aspects
solvation
structure,
ion
transport
mechanisms,
interfacial
properties
WIS
electrolytes,
marking
start
new
era
solution
chemistry
that
extends
beyond
traditional
dilute
has
implications
across
electrolyte
research.
In
this
review,
current
mechanistic
understanding
their
derivative
designs,
focusing
on
construction
structures
is
presented.
The
insights
gained
limitations
encountered
bulk
structure
engineering
further
discussed.
Finally,
future
directions
for
advancing
design
proposed.
