ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(46), P. 63668 - 63680
Published: Nov. 6, 2024
Aqueous
zinc-ion
batteries
have
been
impeded
by
the
hydrogen
evolution
reaction
(HER),
uncontrolled
zinc
dendrites,
and
side
reactions
on
Zn
anode.
In
this
work,
a
Zn–polyphenol
supramolecular
network
is
rationally
designed
for
stabilizing
anodes
(ZPN@Zn)
even
at
high
current
density.
Theoretical
calculations
experiments
show
that
zinc–polyphenol
layer
effectively
inhibits
capturing
water
molecules
through
strong
bonding
networks
while
also
facilitating
rapid
replenishment
of
Zn2+
ions
interface
anchoring.
Additionally,
it
results
in
preferential
deposition
(002)
plane,
thereby
contributing
to
nondendritic
highly
reversible
plating/stripping
behaviors
under
rates.
Concomitantly,
ZPN@Zn
achieves
superior
stability
nearly
1200
h
density
20
mA
cm–2
maintains
CE
efficiency
99.86%
after
3000
cycles
1
mAh
5
cm–2.
Remarkably,
full
cell
assembled
with
NaV3O8
(NVO)
endures
25
000
A
g–1,
achieving
an
impressive
performance
realization
dendrite-free
modulation.
ACS Energy Letters,
Journal Year:
2024,
Volume and Issue:
9(11), P. 5492 - 5501
Published: Oct. 22, 2024
Layered
vanadium-based
materials
have
been
extensively
studied
as
promising
cathode
for
aqueous
zinc-ion
batteries
(AZIBs).
However,
challenges
remain
to
achieve
the
desired
high
energy
conversion
efficiency
and
densities
well
long
cycling
stability
requiring
an
in-depth
understanding
of
local
electronic
structure
a
cathode,
especially
concerning
impacts
on
electrochemical
potential
mass
transfer
in
process.
In
this
work,
1-butyl-1-methylpyrrolidinium
cations
are
preintercalated
into
layered
hydrate
vanadium
pentoxide
(V2O5·nH2O)
partially
replace
electroneutral
structural
water,
changing
atomic
environment.
X-ray
absorption
spectroscopies
demonstrate
V–O
bond
elongation
distortion
[VO6]
octahedra,
which
alter
ligand
field
brings
V
3d
state
lower
level,
ultimately
leading
increase
potential.
It
is
also
revealed
that
organic
exert
electrostatic
interaction
with
lattice
oxygen,
stabilizing
buffering
strain
during
cycling.
Consequently,
modified
achieves
superior
specific
capacity
412
mAh/g
at
0.5
A/g
retention
97%
after
3000
cycles
8
A/g.
The
unveiled
correlation
between
performance
paves
way
optimizing
by
manipulating
coordination
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 27, 2024
Abstract
Aqueous
zinc‐ion
batteries
(AZIBs)
attract
attention
due
to
their
safety
and
high
specific
capacity.
However,
practical
applications
are
constrained
by
Zn
anode
corrosion,
dendritic
growth,
poor
high‐temperature
adaptability
induced
a
strong
hydrogen‐bond
network
in
aqueous
electrolytes.
In
this
work,
dual
polyanionic
gel
electrolyte
(denoted
as
PAM‐PAMPS‐10PD)
is
developed
capable
of
withstanding
temperatures
(100
°C)
situ
polymerization.
The
abundant
anionic
groups
the
greatly
improve
2+
transport
inducing
uniform
deposition
.
Then
addition
high‐boiling
molecular
crowding
agent
1,5‐pentanediol
(PD)
can
inhibit
water
activity
enhancing
hydrogen
bonding
with
H
2
O
changing
solvation
structure
corrosion.
As
result,
symmetric
battery
using
PAM‐PAMPS‐10PD
be
stably
cycled
for
at
least
500
h
100
°C
0.5
mA
cm
−2
/0.5
mAh
,
realizing
dendrite‐free
zinc
anodes
temperatures.
Moreover,
Zn–AC
full
has
capacity
retention
47.8%
after
3000
cycles
4
This
study
provides
beneficial
reference
design
high‐performance
electrolytes
establishes
solid
foundation
application
AZIBs.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 26, 2024
Abstract
Rechargeable
batteries
have
been
regarded
as
a
truly
transformative
technology,
providing
energy
storage
for
portable
electronics,
power
tools,
and
even
electric
vehicles.
Unfortunately,
the
practical
applications
of
new
battery
systems
are
postponed
by
some
inevitable
technical
bottlenecks.
Sometimes
know‐how
gained
from
current
state‐of‐the‐art
lithium‐based
is
untransferable.
Therefore,
with
continuous
development
chemistry,
materials
physics,
computational
science
has
gradually
become
crucial
in
supporting
field
rechargeable
technically.
In
this
review,
brief
overviews
methods
first
presented
research
materials.
The
study
then
summarizes
recent
advances
techniques
assisting
experimental
analyses,
elucidating
reaction
mechanisms,
exploring
Finally,
challenges
perspectives
future
prospected.
This
review
anticipated
to
stimulate
design
inspiration
novel
structures
assistance
theoretical
simulations
toward
advanced
systems.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(46), P. 63668 - 63680
Published: Nov. 6, 2024
Aqueous
zinc-ion
batteries
have
been
impeded
by
the
hydrogen
evolution
reaction
(HER),
uncontrolled
zinc
dendrites,
and
side
reactions
on
Zn
anode.
In
this
work,
a
Zn–polyphenol
supramolecular
network
is
rationally
designed
for
stabilizing
anodes
(ZPN@Zn)
even
at
high
current
density.
Theoretical
calculations
experiments
show
that
zinc–polyphenol
layer
effectively
inhibits
capturing
water
molecules
through
strong
bonding
networks
while
also
facilitating
rapid
replenishment
of
Zn2+
ions
interface
anchoring.
Additionally,
it
results
in
preferential
deposition
(002)
plane,
thereby
contributing
to
nondendritic
highly
reversible
plating/stripping
behaviors
under
rates.
Concomitantly,
ZPN@Zn
achieves
superior
stability
nearly
1200
h
density
20
mA
cm–2
maintains
CE
efficiency
99.86%
after
3000
cycles
1
mAh
5
cm–2.
Remarkably,
full
cell
assembled
with
NaV3O8
(NVO)
endures
25
000
A
g–1,
achieving
an
impressive
performance
realization
dendrite-free
modulation.
