Utilizing redox reactions to achieve carbon-coated MnOx-based cathode materials for high-performance zinc-ion batteries
Ionics,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 13, 2025
Язык: Английский
Zinc Ion Transport Kinetics in Zinc‐based Batteries and Its Regulation Strategy
Yunting Yang,
Zhoujie Tang,
Shuyang Bian
и другие.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 2, 2025
Abstract
Rechargeable
zinc‐ion
batteries
(ZIBs)
have
gained
significant
attention
as
potential
next‐generation
energy
storage
systems,
owing
to
their
inherent
safety,
environmental
benignity,
and
cost‐effectiveness.
However,
the
substantial
electrostatic
repulsion
of
Zn
ion
results
in
a
sluggish
kinetics
for
its
insertion
into
cathode
material.
Meanwhile,
formation
hydrated
ionic
groups
with
increased
mass
volume
aqueous
electrolyte
further
hampers
transport
ability
zinc
ions,
significantly
impacting
overall
electrochemical
performance
(including
capacity,
density,
rate‐capability,
cyclability)
batteries.
This
review
systematically
summarized
recent
progress
regulation
strategy
kinetics.
The
as‐reported
mechanisms
are
introduced
ZIBs
(Zn
2+
insertion/extraction
mechanism,
H
+
or
2
O/
co‐insertion/extraction
conversion
reaction
coordination
mechanism).
Then,
material
design
fast
including
soft
lattice
construction,
doping
effects,
defect
introduction,
morphology
control,
interface
is
summarized.
Finally,
it
concluded
future
research
directions,
such
high‐entropy
design,
multi‐scale
simulation,
machine
study,
providing
roadmap
developing
high‐performance
at
ultralow
operation
temperatures.
Язык: Английский
Surface Modification of Potassium Vanadate with Nanosized Ruthenium Dioxide for Use in High‐Performance Cathode in Aqueous Zinc‐Ion Batteries
ChemistrySelect,
Год журнала:
2025,
Номер
10(21)
Опубликована: Июнь 1, 2025
Abstract
Vanadium‐based
compounds
as
promising
cathode
materials
for
aqueous
zinc‐ion
batteries
(AZIBs)
have
aroused
significant
attention
owing
to
their
multiple
oxidation
states,
layered
open‐framework
structure,
and
excellent
zinc
storage
performance.
However,
the
low
intrinsic
conductivity,
slow
reaction
kinetics
poor
structure
stability
greatly
hindered
widespread
application.
Herein,
nanostructured
K0.486V2O5@RuO
2
composite,
nanorod‐like
potassium
vanadate
(K0.486V2O5)
surface‐modified
with
nanosized
ruthenium
dioxide
(RuO
),
was
successfully
prepared
using
a
facile
one‐step
hydrothermal
method
applied
material
of
AZIBs.
Benefiting
from
surface
modification
conductive
pseudo‐capacitive
nanosized‐RuO
,
composite
electrode
demonstrates
enhanced
electrochemical
properties
accelerated
behavior,
including
superior
rate
capability
reversible
capacities
265,
231,
204,
184,
158,
115
mAh·g
−1
at
current
densities
0.1,
0.2,
0.5,
1,
2,
5
A·g
respectively,
long
cycle
life
83%
capacity
retention
after
5000
cycles
87%
10,000
10
.
This
work
provides
new
insights
into
development
high‐performance
vanadium‐based
Язык: Английский