Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(18)
Published: March 2, 2023
Abstract
The
undesirable
side
reactions
and
uncontrolled
deposition
leads
to
the
electrochemical
failure
of
Zn
metal
anodes.
Herein,
driven
by
theory
calculations,
a
surface
texture
engineering
passivation
layer
protection
dual‐interface
strategy
is
developed.
Benefiting
from
complementary
interface
effect,
such
can
realize
integrated
regulation
interfacial
transport
deposition.
That
is,
inhibiting
water‐induced
reactions,
accelerating
de‐solvation
hydrated
zinc
ions,
homogenizing
ion
flux,
guiding
Zn(002)‐preferred
orientation
As
result,
modulated
electrode
enables
significantly
extended
stability
smaller
nucleation
barrier
polarization
effect.
Unexpectedly,
it
steadily
operate
for
6600
h
at
0.5
mA
cm
−2
,
corresponding
lifespan
>9
months.
Highly
reversible
plating
stripping
be
still
retained
when
current
density
improved
up
1,
5,
10,
even
20
.
Beyond
that,
applied
batteries,
enhanced
rate
capability,
cyclic
realized
in
both
aqueous
Zn/MnO
2
batteries
solid‐state
Zn/VO
batteries.
This
design
concept
effect
expected
provide
new
insight
into
high
reversibility
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Jan. 4, 2024
Abstract
Achieving
a
highly
robust
zinc
(Zn)
metal
anode
is
extremely
important
for
improving
the
performance
of
aqueous
Zn-ion
batteries
(AZIBs)
advancing
“carbon
neutrality”
society,
which
hampered
by
uncontrollable
growth
Zn
dendrite
and
severe
side
reactions
including
hydrogen
evolution
reaction,
corrosion,
passivation,
etc.
Herein,
an
interlayer
containing
fluorinated
zincophilic
covalent
organic
framework
with
sulfonic
acid
groups
(COF-S-F)
developed
on
(Zn@COF-S-F)
as
artificial
solid
electrolyte
interface
(SEI).
Sulfonic
group
(−
SO
3
H)
in
COF-S-F
can
effectively
ameliorate
desolvation
process
hydrated
ions,
three-dimensional
channel
fluoride
(-F)
provide
interconnected
channels
favorable
transport
ions
ion-confinement
effects,
endowing
Zn@COF-S-F
dendrite-free
morphology
suppressed
reactions.
Consequently,
symmetric
cell
stably
cycle
1,000
h
low
average
hysteresis
voltage
(50.5
mV)
at
current
density
1.5
mA
cm
−2
.
Zn@COF-S-F|MnO
2
delivers
discharge
specific
capacity
206.8
mAh
g
−1
1.2
A
after
800
cycles
high-capacity
retention
(87.9%).
Enlightening,
building
SEI
metallic
surface
targeted
design
has
been
proved
effective
strategy
to
foster
practical
application
high-performance
AZIBs.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(8)
Published: Nov. 12, 2023
Abstract
The
electrochemical
performance
of
aqueous
zinc
metal
batteries
(AZMBs)
is
highly
dependent
on
the
electric
double
layer
(EDL)
properties
at
Zn
electrode/electrolyte
interface.
Herein,
a
novel
reconfigured
EDL
constructed
via
double‐charged
theanine
(TN)
additive
for
super‐stable
and
deep‐rechargeable
AZMBs.
Experiments
theoretical
computations
unravel
that
positively
charged
TN
not
only
serves
as
preferential
anchor
to
form
water‐poor
Helmholtz
plane
onto
anode,
but
also
its
anionic
end
could
coordinate
with
2+
tailor
solvation
structure
in
diffusion
further
reconstruct
inner
H‐bonds
networks,
thus
effectively
guiding
uniform
deposition
suppressing
water‐induced
side
reactions.
Consequently,
Zn//Zn
cells
acquire
outstanding
cycling
stabilities
nearly
800
h
high
depth
discharge
80%.
Moreover,
Zn//VOX
full
deliver
substantial
capacity
retention
(94.12%
after
1400
cycles
2
A
g
−1
)
under
practical
conditions.
Importantly,
designed
2.7
Ah
pouch
cell
harvests
recorded
energy
density
42.3
Wh
Kg
79.5
L
–1
,
remarkable
85.93%
220
50
mA
.
This
innovative
design
concept
reshape
chemistry
would
inject
fresh
vitality
into
developing
advanced
AZMBs
beyond.
Small,
Journal Year:
2023,
Volume and Issue:
19(20)
Published: Feb. 15, 2023
Uncontrollable
dendrite
growth
and
sluggish
ion-transport
kinetics
are
considered
as
the
main
obstacles
for
further
development
of
high-performance
aqueous
zinc
ion
batteries
(AZIBs).
Here,
a
nature-inspired
separator
(ZnHAP/BC)
is
developed
to
tackle
these
issues
via
hybridization
biomass-derived
bacterial
cellulose
(BC)
network
nano-hydroxyapatite
particles
(HAP).
The
as-prepared
ZnHAP/BC
not
only
regulates
desolvation
process
hydrated
Zn2+
ions
(Zn(H2
O)62+
)
by
suppressing
water
reactivity
through
surface
functional
groups,
alleviating
water-induced
side-reactions,
but
also
boosts
homogenize
flux,
resulting
in
fast
uniform
Zn
deposition.
Remarkably,
Zn|Zn
symmetric
cell
with
harvests
long-term
stability
over
1600
h
at
1
mA
cm-2
,
mAh
endures
stable
cycling
1025
611
even
high
depth
discharge
(DOD)
50%
80%,
respectively.
Zn|V2
O5
full
low
negative/positive
(N/P)
capacity
ratio
2.7
achieves
superior
retention
82%
after
2500
cycles
10
A
g-1
.
Furthermore,
Zn/HAP
can
be
totally
degraded
within
2
weeks.
This
work
develops
novel
nature-derived
provides
insights
constructing
separators
toward
sustainable
advanced
AZIBs.
Chemical Science,
Journal Year:
2022,
Volume and Issue:
13(48), P. 14246 - 14263
Published: Jan. 1, 2022
Zinc-ion
batteries
(ZIBs)
have
received
much
research
attention
due
to
their
advantages
of
safety,
non-toxicity,
simple
manufacture,
and
element
abundance.
Nevertheless,
serious
problems
still
remain
for
anodes,
such
as
dendrite
development,
corrosion,
passivation,
the
parasitic
hydrogen
evolution
reaction
unique
aqueous
electrolyte
system
constituting
main
issues
that
must
be
addressed,
which
are
blocking
further
advancement
anodes
Zn-ion
batteries.
Herein,
we
conduct
an
in-depth
analysis
exist
zinc
anode,
summarize
failure
types
mechanisms
review
modification
strategies
anode
from
three
aspects
electrolyte,
surface,
host.
Furthermore,
also
shed
light
on
optimization
provide
directions
future
development
zinc-ion
ACS Applied Materials & Interfaces,
Journal Year:
2022,
Volume and Issue:
14(7), P. 8955 - 8962
Published: Feb. 11, 2022
The
rechargeable
zinc-iodine
(Zn-I2)
battery
is
a
promising
energy-storage
system
due
to
its
low
cost
and
good
security,
but
the
practical
use
of
largely
constrained
by
shuttle
effect
high
dissolvability
iodides.
Here
multifunctional
iodine
host,
constructed
with
nitrogen-doped
porous
carbon
nanocages
(NCCs)
polymerization
carbonization
activation
method,
exploited
improve
electrochemical
performance
lifespan
Zn-I2
battery,
achieving
specific
capacity
259
mAh
g-1,
rate
(maintaining
50.6%
expanding
50
times),
cycle
stability
(retention
100%
after
1000
cycles).
On
basis
experimental
results
theoretical
calculations,
NCCs
via
introduction
N
doping
nanosized
structure
can
simultaneously
provide
rich
robust
anchoring
catalytic
sites
carry
out
electrostatic
adsorption
iodides
facilitate
reversible
conversion
between
This
work
shows
novel
efficient
strategy
develop
high-performance
long-life
batteries.