Chemical Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 11, 2024
With
the
merits
of
high
theoretical
energy
density
and
ease
manufacture,
anode-free
post-lithium
metal
batteries
have
drawn
extensive
attention
been
rapidly
emerging
in
recent
years.
However,
poor
reversibility
anodes
has
severely
hindered
realization
high-performance
batteries.
In
this
review,
critical
challenges
strategies
for
achieving
are
first
elucidated.
Then,
significant
research
studies
devoted
to
promoting
(including
sodium-,
potassium-
zinc-)
exclusively
discussed
extract
principles
their
practical
implementation.
Additionally,
remedial
solutions
supplying
anode
improving
cyclability
also
introduced.
Finally,
we
summarize
advancements
batteries,
propose
some
promising
directions
area.
This
review
aims
provide
a
more
comprehensive
understanding
towards
highly
reversible
timely
overview
latest
developments
field.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 13, 2024
Abstract
Zinc
(Zn)
emerges
as
an
ideal
anode
for
aqueous‐based
energy
storage
devices
because
of
its
safety,
non‐toxicity,
and
cost‐effectiveness.
However,
the
reversibility
zinc
anodes
is
constrained
by
unchecked
dendrite
proliferation
parasitic
side
reactions.
To
minimize
these
adverse
effects,
a
highly
oriented,
crystalline
2D
porous
fluorinated
covalent
organic
framework
(denoted
TpBD‐2F)
thin
film
in
situ
synthesized
on
Zn
protective
layer.
The
zincophilic
hydrophobic
TpBD‐2F
provides
numerous
1D
nanochannels,
which
facilitate
hopping/transfer
2+
repel
H
2
O
infiltration,
thus
regulating
flux
inhibiting
interfacial
corrosion.
resulting
enabled
stable
plating/stripping
symmetric
cells
over
1200
h
at
mA
cm
−2
.
Furthermore,
assembled
full
(Zn‐ion
capacitors)
deliver
ultra‐long
cycling
life
100
000
cycles
current
density
5
A
g
−1
,
outperforming
nearly
all
reported
materials.
Chemical Communications,
Год журнала:
2024,
Номер
60(58), С. 7467 - 7470
Опубликована: Янв. 1, 2024
A
finely
controlled
concentration
polarization
environment
was
deliberately
created
to
fabricate
a
three-dimensional
ordered
Zn
metal
anode
with
(002)-dominated
planes,
which
enabled
high-rate
aqueous
Ni-Zn
pouch
cell
high
discharge
capacity
of
187.3
mA
h
g
Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Янв. 28, 2025
Abstract
Practical
Zn
metal
batteries
have
been
hindered
by
several
challenges,
including
dendrite
growth,
undesirable
side
reactions,
and
unstable
electrode/electrolyte
interface.
These
issues
are
particularly
more
serious
in
low-concentration
electrolytes.
Herein,
we
design
a
salt-mediated
electrolyte
with
situ
ring-opening
polymerization
of
the
small
molecule
organic
solvent.
The
Zn(TFSI)
2
salt
catalyzes
(1,3-dioxolane
(DOL)),
generating
oxidation-resistant
non-combustible
long-chain
polymer
(poly(1,3-dioxolane)
(pDOL)).
pDOL
reduces
active
H
O
molecules
assists
forming
stable
organic–inorganic
gradient
solid
interphase
rich
constituents,
ZnO
ZnF
.
introduction
endows
advantages:
excellent
inhibition,
improved
corrosion
resistance,
widened
electrochemical
window
(2.6
V),
enhanced
low-temperature
performance
(freezing
point
=
−
34.9
°C).
plating/stripping
pDOL-enhanced
lasts
for
4200
cycles
at
99.02%
Coulomb
efficiency
maintains
lifetime
8200
h.
Moreover,
anodes
deliver
cycling
2500
h
high
utilization
60%.
A
Zn//VO
pouch
cell
assembled
lean
(electrolyte/capacity
(E/C
41
mL
(Ah)
−1
)
also
demonstrates
capacity
retention
ratio
92%
after
600
cycles.
results
highlight
promising
application
prospects
practical
enabled
-mediated
engineering.
Crystallography
regulation
of
a
zinc
(Zn)
metal
substrate
to
expose
more
(002)
textures
holds
great
promise
for
stabilizing
Zn
anodes.
However,
significant
challenges
remain
in
directly
constructing
single
(002)-plane-textured
anode
(S-(002)-Zn)
and
realizing
sustainable
(002)-texture
exposure
working
batteries.
Herein,
we
report
an
anion
cation
coregulated
nonepitaxial
electrodeposition
fabricate
S-(002)-Zn
by
introducing
1-ethyl-3-methylimidazolium
iodide
(EmimI)
additives
low-cost
ZnSO4
aqueous
electrolyte
(ZS).
Mechanistic
studies
reveal
that
the
cooperation
Emim+
I-
with
oriented
adsorption
behaviors
on
can
synergistically
boost
(100)
plane
growth,
depress
suppress
H2
evolution,
thus
enabling
compact
electrodeposition.
Moreover,
other
similar
organic
iodides
(e.g.,
dimethyl-imidazolium
1-propyl-3-methylimidazolium
iodide)
are
applicable
this
scalable
On
hand,
as-designed
ZS-EmimI
be
applied
batteries,
effectively
sustaining
smooth
texture
inhibiting
HER
during
cycling.
Consequently,
combination
single-(002)-texture
endows
ultralong
lifespan
over
10,100
h
(>14
months)
at
1
mAh
cm-2
superior
deep-cycling
stability
under
88.0%
utilization
(25
cm-2)
500
assures
stable
operation
full
