ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(6), P. 2234 - 2240
Published: March 7, 2024
NiCo2O4
for
alkaline
Zn-based
batteries
(AZBs)
suffers
from
low
capacity
and
an
unsatisfactory
cycling
life.
Meanwhile,
the
widespread
application
of
is
seriously
limited
by
costly
tedious
synthetic
procedures.
In
this
work,
a
facile
economically
efficient
surface
corrosion
strategy
demonstrated
to
fabricate
high-performance
Mn-doped
(SMNC)
nanosheet
cathode
AZBs.
Compares
undoped
(SNC),
SMNC
shows
enhanced
mass
transfer
ability
increased
active
sites.
Consequently,
Zn/SMNC
cell
reaches
big
areal
0.58
mA
h
cm–2
at
2
as
well
ultralong
cycle
life
with
95%
retention
over
6000
cycles.
This
work
provides
effective,
low-cost,
method
prepare
advanced
materials
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(32)
Published: March 1, 2024
Abstract
Limited
by
sluggish
reaction
kinetics,
insufficient
electrode
utilization
and
severe
volume
deformation,
designing
nickel‐based
materials
with
high
capacity
rate
capability
is
still
a
challenge.
Herein,
carbon
nanotubes
threaded
NiSe
2
/Co
3
Se
4
quantum
dots
embedded
in
nanospheres
rich
vacancies
both
Co
elaborately
designed
via
MOF
template
method.
The
formation
mechanism
of
the
elucidated
for
first
time,
which
ascribed
to
release
gas
during
decomposition
organic
ligand
inhibits
ordered
arrangement
atoms.
CNT‐V‐NiCoSe
possesses
many
significant
superiorities,
such
as
sufficiently
exposed
active
sites,
utilization,
favorable
charge‐carrier
migration,
relaxed
structure
deformation.
Consequently,
shows
top‐level
specific
(384
mAh
g
−1
at
1
A
),
ultrahigh
(209
150
)
remarkable
cycling
durability.
CNT‐V‐NiCoSe//Zn
battery
achieves
maximum
energy
density
615.6
Wh
kg
power
81.7
kW
.
Density
functional
theory
calculations
elucidate
improve
states
Fermi
level,
facilitates
internal
charge
transfer,
enhances
OH
−
adsorption
ability.
This
study
provides
guidance
preparation
high‐performance
ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(4), P. 1433 - 1439
Published: Feb. 2, 2024
High
capacity,
good
cyclic
stability,
and
high
energy
density
cathode
materials
for
aqueous
Zn-ion
batteries
are
an
ongoing
challenge
researchers.
Here,
we
prepared
SrV2O6
nanoparticles
by
a
simple
hydrothermal
method
to
use
as
the
material
batteries,
which
has
moderate
specific
capacity
stability.
To
further
increase
its
electrode
performance,
nanoparticle-anchored
2D-V2CTx
MXene
is
successfully
fabricated,
significant
improvement
in
structural
stability
than
SrV2O6-based
electrode.
The
displays
initial
of
348
mA
h
g–1
at
0.1
C
rate
because
large
surface
area
electrical
conductivity.
It
exhibits
more
1000
cycles
with
79%
retention.
shows
better
performance
330
Wh
kg–1
power
245
Wg–1.
This
work
will
expand
available
options
develop
metal−vanadium-oxide-based
storage
devices.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(9), P. 5530 - 5539
Published: Jan. 1, 2024
Zn
0.99
V
5
O
12
·
n
H
2
nanoribbons
deliver
a
low
decay
ratio
of
0.000687%
per
cycle
at
A
g
−1
over
15
000
cycles
due
to
charge
transfer
resistance,
high
D
2+
,
capacitive
contribution,
and
excellent
reversible
phase
transition.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(33)
Published: May 31, 2024
Redox-active
azo
compounds
are
emerging
as
promising
cathode
materials
due
to
their
multi-electron
redox
capacity
and
fast
response.
However,
practical
application
is
often
limited
by
low
output
voltage
poor
thermal
stability.
Herein,
we
use
a
heteroatomic
substitution
strategy
develop
4,4'-azopyridine.
This
modification
results
in
350
mV
increase
reduction
potential
compared
traditional
azobenzene,
increasing
the
energy
density
at
material
level
from
187
291
Wh
kg
Small,
Journal Year:
2024,
Volume and Issue:
20(35)
Published: April 23, 2024
Aqueous
rechargeable
zinc-ion
batteries
(ARZIBs)
are
considered
as
an
emerging
energy
storage
technology
owing
to
their
low
cost,
inherent
safety,
and
reasonable
density.
However,
significant
challenges
associated
with
electrodes,
aqueous
electrolytes
restrict
rapid
development.
Herein,
ethylene
glycol-choline
chloride
(Eg-ChCl)
based
hydrated
deep-eutectic
(HDEEs)
proposed
for
RZIBs.
Also,
a
novel
V
Energy Materials,
Journal Year:
2025,
Volume and Issue:
5(3)
Published: Jan. 11, 2025
The
use
of
aqueous
electrolytes
and
Zn
metal
anodes
in
Zn-based
energy
storage
systems
provides
several
benefits,
including
competitive
density,
excellent
safety,
low
cost.
However,
dendrites
growth
slow
ion
transfer
at
the
electrode/electrolyte
interphase
reduce
cycle
stability
rate
capability
anode.
Herein,
V2O5-x
interface
layer
was
rationally
controllably
constructed
on
surface
through
situ
spontaneous
redox
reaction
between
V2O5
layer,
with
an
optimized
thickness,
plays
a
crucial
role
screening
de-solvation,
leading
to
uniform
dispersion
Zn2+
ions
dendrite-free
morphology.
Moreover,
as
transports
V
element
low-valence
state
allows
oxygen
anions
bind
more
easily
Zn2+.
This
interaction
enables
fast
diffusion
channel
interfacial
layer.
Consequently,
symmetric
cells
V@Zn
achieve
stable
plating/stripping
for
than
1400
h
1
mA
cm-2.
In
particular,
full
cell
paired
cathode
exhibits
capacity
nearly
275.9
g-1
5
A
after
2500
cycles
without
obvious
deterioration,
further
highlighting
potential
practical
applications.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 13, 2025
Abstract
Flexible
bioelectronic
interfaces
with
adhesive
properties
are
essential
for
advancing
modern
medicine
and
human‐machine
interactions.
However,
achieving
both
stable
adhesion
non‐damaging
detachment
remains
a
significant
challenge.
In
this
study,
lithium
bond‐mediated
molecular
cascade
hydrogel
(LMCH)
is
designed,
which
facilitates
robust
at
the
tissue
level
permits
atraumatic
repositioning
as
required.
By
integrating
of
structure
elastic
characteristics
interface,
LMCH
interface
not
only
achieved
high
strength
(197
J
m
−2
)
on
skin,
but
also
significantly
extended
cracking
cycles
surface
during
peeling
process
from
4
to
380,
marking
an
enhancement
nearly
two
orders
magnitude.
Furthermore,
Young's
modulus
similar
that
human
(25
kPa),
exceptional
stretchability
(1080%),
ionic
conductivity
(7.14
S
−1
),
demonstrates
outstanding
compatibility,
biocompatibility,
detection
capabilities
electrocardiogram
(ECG)
electromyogram
(EMG)
signals.
This
study
presents
new
insights
potential
bioelectronics
implantable
technologies.