Aqueous
Zn-ion
batteries
(AZIBs)
have
garnered
huge
attention
for
grid-scale
energy
storage
systems
owing
to
their
eco-friendliness,
affordability,
safety,
and
high
specific
capacity.
Nonetheless,
recyclability
is
hindered
by
the
corrosion,
zinc
dendrite
hydrogen
evolution
reaction.
The
development
of
protecting
layer
Zn
anode
great
meaningful
challenge.
In
this
work,
a
nanowire-structured
xonotlite
(calcium
silicate
hydrate,
Ca6Si6O17(OH)2,
denoted
as
CaSi)
successfully
synthesized
facile
green
route
it
used
construct
(named
Zn@CaSi),
where
CaSi
functions
an
artificial
interfacial
with
zincophilic
behavior
guiding
inerratic
deposition
interaction
between
electrolyte
anode.
Owing
numerous
pores
nanowires,
Zn@CaSi
offers
vast
stable
avenues
facilitating
enhancement
Zn2+
kinetics.
Regarding
crystal
structure,
featuring
4.38
Å
nanopore
channels
can
facilitate
desolvation
hydrated
ion
via
confinement
effect,
therefore
effectively
inhibiting
reaction
accumulation
by-products.
Compared
bare
Zn,
significant
improvement
in
overall
performance
achieved.
symmetric
cell
runs
smoothly
1580
hours
at
current
density
1
mA
cm−2,
which
approximately
13
times
than
that
Zn//Zn
cell.
full
enhanced
electrochemical
performances
also
demonstrates
boost
charge
transfer
plating/stripping
Reconstruction
electrolyte/anode
interface
using
nanowire-formulated
porous
structure
expected
provide
new
ideas
engineering
interfaces
achieve
high-performance
AZIBs.
Carbon Energy,
Journal Year:
2022,
Volume and Issue:
5(4)
Published: Dec. 7, 2022
Abstract
Improving
zinc
metal
(Zn
0
)
reversibility
and
minimizing
the
N/P
ratio
are
critical
to
boosting
energy
density
of
Zn
batteries.
However,
in
reality,
an
excess
source
is
usually
adopted
offset
irreversible
loss
guarantee
sufficient
cycling,
which
sacrifices
leads
poor
practicability
To
address
above
conundrum,
here,
we
report
a
lean‐Zn
hierarchical
anode
based
on
metal–organic
framework
(MOF)‐derived
carbon,
where
trace
pre‐reserved
within
structure
make
up
for
any
loss.
This
allows
us
construct
low
full
cells
when
coupling
with
Zn‐containing
cathodes.
Impressively,
high
(average
Coulombic
efficiency
99.4%
3000
cycles)
long
full‐cell
lifetime
(92%
capacity
retention
after
900
were
realized
even
under
harsh
condition
(N/P
ratio:
1.34).
The
excellent
attributed
hierarchy
that
homogenizes
ion
flux
electric
field
distribution,
as
confirmed
by
theoretical
simulations,
therefore
stabilizes
evolution.
design
strategy
will
provide
new
insights
into
construction
high‐energy
batteries
practical
applications.
Inorganic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(15), P. 4748 - 4756
Published: Jan. 1, 2024
Ti
4
O
7
,
as
a
highly
conductive
and
hydrophilic
coating
on
the
zinc
anode,
has
high
adsorption
energy
low
migration
barrier
for
Zn
2+
exhibiting
dendrite-free
surface,
polarization,
cycling
stability
coulombic
efficiency.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
11(9), P. 3576 - 3584
Published: Feb. 21, 2023
Zinc-ion
batteries
(ZIBs)
are
ideal
candidates
for
new
energy
devices
due
to
large
theoretical
capacity,
scale
production,
and
handleability.
However,
the
problem
of
dendrite
growth
side
reactions
originated
from
an
uneven
Zn
plating/stripping
process,
direct
contact
metal
with
electrolyte
reduces
cycle
stability
lifetime
ZIBs.
In
this
research,
organic
hydrophobic
polyvinylidene
fluoride
uniformly
distributed
nano-silicon
particles
(PVDF-Si)
was
constructed
as
a
functional
protection
layer
promote
anode.
Silicon
nanoparticles
can
distribute
electric
field
Zn2+
flux
on
anode
surface
which
guide
uniform
deposition
avoid
growth.
The
PVDF
reduce
free
water
content
surface,
significantly
inhibits
reactions.
With
coordinate
inhibition
PVDF-Si
modification
layer,
PVDF-Si@Zn
displays
dendrite-free
low
overpotential
38
mV
after
3080
h
in
PVDF-Si@Zn||PVDF-Si@Zn
batteries.
Meanwhile,
PVDF-Si@Zn||V2O5
battery
also
achieved
high
79.38%
capacity
retention
nearly
100%
coulomb
efficiency
500
cycles.
polymer–nanomaterial
interface
provides
strategy
