Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(71), P. 9590 - 9593
Published: Jan. 1, 2024
Pristine
MOF
nanosheets
with
a
highly
active
metal–sulfur
(M–S,
M
=
Co
and
Ni)
region
as
cathodes
for
Zn–Co/Ni
batteries
are
successfully
prepared
through
dual
substitution
strategy
of
metal
ions
organic
ligands.
Advanced Sustainable Systems,
Journal Year:
2024,
Volume and Issue:
8(6)
Published: Jan. 17, 2024
Abstract
Due
to
their
excellent
reliability,
low
cost,
and
environmental
friendliness,
aqueous
Zn‐ion
batteries
(AZIBs)
present
a
promising
prospect
for
both
mobile
stationary
energy
storage
smart
devices
cities.
However,
current
challenges,
such
as
anode
dendrite
growth,
cathode
dissolution,
parasitic
side
reactions,
hinder
the
practical
application
of
AZIBs.
This
review
first
provides
an
in‐depth
explanation
mechanisms
anodes
cathodes.
A
comprehensive
discussion
typical
issues
with
anode,
cathode,
electrolyte
AZIBs
is
then
presented.
Furthermore,
considerations
potential
applications
in
development
flexible
electronics
are
illustrated.
Finally,
challenges
perspectives
future
highlighted.
expected
serve
guidepost
clean,
sustainable,
efficient
management
new
urban
forms.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
488, P. 151135 - 151135
Published: April 8, 2024
Vertical
graphene
nanowalls
(GNWs)
have
emerged
as
a
highly
promising
architectural
structure,
offering
vast
surface
area
teeming
with
active
sites
and
expediting
ion
diffusion.
In
our
relentless
pursuit
of
bolstering
their
specific
capacitance,
we
unveil
groundbreaking
supercapacitive
augmentation,
incorporating
defect-engineered
ZnO
nanorods
(ZNRs)
branching
out
from
the
GNWs.
The
realization
this
hierarchical
structure
is
achieved
through
meticulous
multi-step
process,
featuring
inductively
coupled
plasma-chemical
vapor
deposition,
magnetron
sputtering,
hydrothermal
synthesis.
presence
oxygen
vacancy
(OV)
defects
within
ZNRs,
induced
by
argon
annealing,
has
been
characterized
using
X-ray
photoelectron
spectroscopy
(XPS).
emergence
OV
below
conduction
band
ZNRs
results
in
narrowing
bandgap
hybrid
thereby
enhancing
its
conductivity
increasing
reaction
sites.
capacity
ZNRs/GNWs
electrodes
were
evaluated
an
aqueous
KOH
electrolyte
solution,
operating
voltage
range
0.5
V
at
current
density
0.1
mA
cm−2.
This
assessment
yielded
capacitance
21.45
mF
cm−2,
signifying
1.5-fold
increase
compared
to
GNWs
grown
on
graphite
sheets.
demonstrates
remarkable
electrochemical
performance
exhibits
substantial
potential
for
energy
storage
applications.
Our
work
expected
offer
valuable
insights
enhancement
properties
various
composite
materials.
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(17), P. 11734 - 11745
Published: Jan. 1, 2024
Transition
metal
oxides
with
high
theoretical
capacitance
are
regarded
as
desired
electrode
materials
for
supercapacitors,
however,
the
poor
conductivity
and
sluggish
charge
transfer
kinetics
constrain
their
electrochemical
performance.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 5, 2024
Abstract
Vanadium
(V)‐based
oxides
have
garnered
significant
attention
as
cathode
materials
for
aqueous
zinc‐ion
batteries
(AZIBs)
due
to
their
multiple
valences
and
high
theoretical
capacity.
However,
sluggish
kinetics
low
conductivity
remain
major
obstacles
practical
applications.
In
this
study,
Mo‐doped
V
2
O
3
with
oxygen
vacancies
(OVs,
Mo‐V
3‐x
@NC)
is
prepared
from
a
V‐metal
organic
framework.
Ex
situ
characterizations
reveal
that
the
undergoes
an
irreversible
phase
transformation
5‐x
·nH
serves
active
material
exhibiting
excellent
Zn
2+
storage
in
subsequent
charge‐discharge
cycles.
helps
further
improve
cycling
stability
increases
increasing
content.
More
importantly,
synergistic
effect
of
OVs
not
only
effectively
reduces
migration
energy
barrier,
but
also
enhances
reaction
kinetics,
electrochemical
performance.
Consequently,
demonstrates
ultrafast
showing
superior
rate
performance
(190.9
mAh
g
−1
at
20
A
)
long‐term
(147.9
after
10000
cycles).
Furthermore,
assembled
pouch
cell
exhibits
(313.6
1
1000
cycles),
indicating
promising
application
prospects.
This
work
presents
effective
strategy
designing
fabricating
metal
co‐doped
cathodes
high‐performance
AZIBs.
Next Energy,
Journal Year:
2024,
Volume and Issue:
4, P. 100119 - 100119
Published: May 21, 2024
Benefiting
from
the
advantageous
features
of
low
manufacturing
cost,
inherent
safety
and
resource
renewability,
aqueous
Zn-ion
batteries
(AZIBs)
are
considered
as
one
most
promising
candidates
for
energy
storage
systems.
Unfortunately,
problems
AZIBs
such
cathode
dissolution,
Zn
dendrite
growth,
irreversible
electrochemical
side
reactions
have
restricted
implementation
practical
applications.
Vanadium-based
deemed
hopeful
materials
owing
to
diverse
crystal
structures
multiple
valence
states.
Therefore,
it
is
necessary
comprehensively
summarize
advance
facing
vanadium-based
cathodes
corresponding
progress
create
roadmaps
development
high-stability
AZIBs.
This
review
starts
with
a
discussion
failure
mechanisms
their
related
affects.
Then,
enormous
up-to-date
achievements
highlighted,
including
oxides
metal
oxides.
The
challenges
associated
application
compounds
in
also
effective
strategies
overcome
them
proposed.
Finally,
perspectives
directions
on
further
optimizing
improve
performance
discussed.