ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(4), P. 4729 - 4740
Published: Jan. 18, 2024
Aqueous
zinc-ion
batteries
have
attracted
attention
due
to
their
low
cost
and
high
safety.
Unfortunately,
dendrite
growth,
hydrogen
evolution
reactions,
cathodic
dissolution,
other
problems
are
more
serious;
not
only
that,
but
also
the
anodic
materials'
lattices
contract
when
temperature
drops,
charge
transfer
solid
phase
diffusion
become
slow,
seriously
aggravating
growth.
At
present,
there
few
studies
on
low-temperature
system,
retaining
specific
capacity
even
rare.
Herein,
ethylene
glycol
(EG)
manganese
sulfate
(MSO)
selected
as
additives,
vanadate
(MVO)
cathode
is
used
find
a
high-performance
solution
at
temperature.
MVO
can
provide
higher
better
structural
stability
than
MnO2
adapt
environment.
same
time,
Mn2+
in
MSO
produce
cationic
shield
covering
initial
zinc
tip
an
appropriate
concentration
avoid
effect
inhibit
dissolution
of
MVO.
EG
reduce
freezing
point
electrolyte
promote
desolvation
[Zn(H2O)6]2+.
The
synergistic
three
elements
prevents
equilibrium
from
fluctuating
greatly
change
Therefore,
we
use
[email protected]
M
MnSO4
+
2
ZnSO4
(EG
0.2Mn/2ZSO)
−30
°C,
Zn||Zn
which
this
type
remain
350
h
1
mA
cm–2
without
failure.
Zn||Cu
retain
100%
Coulombic
efficiency
after
2000
cycles
0.2
cm–2.
Zn||MVO
battery
reach
231.13
g–1
its
first
cycle,
retention
rate
still
above
85%
1000
cycles,
that
existing
research
system.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(26)
Published: April 9, 2024
Abstract
Zinc
metal
suffers
from
violent
and
long‐lasting
water‐induced
side
reactions
uncontrollable
dendritic
Zn
growth,
which
seriously
reduce
the
coulombic
efficiency
(CE)
lifespan
of
aqueous
zinc‐metal
batteries
(AZMBs).
To
suppress
corresponding
harmful
effects
highly
active
water,
a
stable
zirconium‐based
metal‐organic
framework
with
water
catchers
decorated
inside
its
sub‐nano
channels
is
used
to
protect
Zn‐metal.
Water
within
narrow
can
constantly
trap
molecules
solvated
Zn‐ions
facilitate
step‐by‐step
desolvation/dehydration,
thereby
promoting
formation
an
aggregative
electrolyte
configuration,
consequently
eliminates
corrosion
reactions.
More
importantly,
functionalized
also
act
as
ion
rectifiers
promote
fast
but
even
transport,
leading
dendrite‐free
metal.
As
result,
protected
demonstrates
unprecedented
cycling
stability
more
than
10
000
h
ultra‐high
average
CE
99.92%
during
4000
cycles.
inspiringly,
practical
NH
4
V
O
//Zn
pouch‐cell
fabricated
delivers
capacity
98
mAh
(under
high
cathode
mass
loading
25.7
mg
cm
−2
)
preserves
86.2%
retention
after
150
This
new
strategy
in
reversible
anodes
would
spur
utilization
AZMBs.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(19)
Published: Jan. 12, 2024
Abstract
Aqueous
zinc‐ion
batteries,
considered
one
of
the
important
candidate
technologies
for
green
and
environmentally
friendly
large‐scale
energy
storage,
hinge
upon
performance
cathode
materials
as
key
factor
driving
their
development.
Vanadate
oxide
is
a
promising
material
due
to
its
high
theoretical
capacity;
furthermore,
in
order
accelerate
reaction
kinetics,
ion
or
molecular
intercalation
often
utilized.
However,
non‐electrochemically
active
intercalants
tend
cause
capacity
degradation.
In
this
study,
one‐step
hydrothermal
method
employed
intercalate
electrochemically
poly‐o‐phenylenediamine
(PoPDA)
into
interlayers
NH
4
V
3
O
8
(NVO),
with
graphene
(GO)
being
used
further
improve
conductivity
composite
(NVO/PoPDA@GO).
The
insertion
PoPDA
expands
interlayer
spacing
NVO,
alters
charge
distribution,
enhances
migration
rate
Zn
2+
among
hybrid
materials.
Additionally,
serves
support
within
interlayers,
improving
stability.
Moreover,
reversible
transformation
rearrangement
chemical
bonds
(C═N/C─N)
allows
coordination
,
providing
additional
capacity.
As
result,
NVO/PoPDA@GO
exhibits
excellent
electrochemical
performance,
releasing
specific
433
mAh
g
−1
at
0.5
A
even
224
5
.
This
work
provides
direction
preparation
organic–inorganic
dual
components.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(17)
Published: Aug. 19, 2023
Abstract
Aqueous
batteries
are
promising
alternatives
to
non‐aqueous
lithium‐ion
due
their
safety,
environmental
impact,
and
cost‐effectiveness.
However,
energy
density
is
limited
by
the
narrow
electrochemical
stability
window
(ESW)
of
water.
The
“Water‐in‐salts”
(WIS)
strategy
an
effective
method
broaden
ESW
reducing
“free
water”
in
electrolyte,
but
drawbacks
(high
cost,
high
viscosity,
poor
low‐temperature
performance,
etc.)
also
compromise
these
inherent
superiorities.
In
this
review,
electrolyte
interphase
engineering
aqueous
overcome
WIS
summarized,
including
developments
electrolytes,
electrode–electrolyte
interphases,
electrodes.
First,
main
challenges
problems
comprehensively
introduced.
Second,
functions
various
components
(e.g.,
additives
solvents)
summarized
compared.
Gel
electrolytes
investigated
as
a
special
form
electrolyte.
Third,
formation
modification
electrolyte‐induced
on
electrode
discussed.
Specifically,
contribution
materials
toward
improving
Finally,
prospects
beyond
outlined
for
practical
applications
batteries.
