Interdisciplinary materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 9, 2024
Abstract
Exploiting
high‐capacity
cathode
materials
with
superior
reliability
is
vital
to
advancing
the
commercialization
of
sodium‐ion
batteries
(SIBs).
Layered
oxides,
known
for
their
eco‐friendliness,
adaptability,
commercial
viability,
and
significant
recent
advancements,
are
prominent
materials.
However,
electrochemical
cycling
over
an
extended
period
can
trigger
capacity
fade,
voltage
hysteresis,
structural
instability,
adverse
interface
reactions
which
shorten
battery
life
cause
safety
issues.
Thus,
it
essential
require
in‐depth
understanding
degradation
mechanisms
layered
oxides.
In
this
review,
crystal
electronic
structures
oxides
revisited
first,
a
renewed
also
presented.
Three
critical
highlighted
deeply
discussed
namely
Jahn–Teller
effect,
phase
transition,
surface
decomposition,
directly
responsible
inferior
performances.
Furthermore,
comprehensive
overview
recently
reported
modification
strategies
related
proposed.
Additionally,
review
discusses
challenges
in
practical
application,
primarily
from
mechanism
standpoint.
Finally,
outlines
future
research
directions,
offering
perspectives
further
develop
SIBs,
driving
industrialization
SIBs.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(40)
Published: Aug. 2, 2023
Optimizing
charge
transfer
and
alleviating
volume
expansion
in
electrode
materials
are
critical
to
maximize
electrochemical
performance
for
energy-storage
systems.
Herein,
an
atomically
thin
soft-rigid
Co9
S8
@MoS2
core-shell
heterostructure
with
dual
cation
vacancies
at
the
atomic
interface
is
constructed
as
a
promising
anode
high-performance
sodium-ion
batteries.
The
involving
VCo
VMo
soft
MoS2
shell
afford
ionic
pathways
rapid
transfer,
well
rigid
core
acting
dominant
active
component
resisting
structural
deformation
during
charge-discharge.
Electrochemical
testing
theoretical
calculations
demonstrate
both
excellent
Na+
-transfer
kinetics
pseudocapacitive
behavior.
Consequently,
delivers
extraordinary
sodium-storage
(389.7
mA
h
g-1
after
500
cycles
5.0
A
),
superior
those
of
single-phase
counterparts:
assembled
Na3
V2
(PO4
)3
||d-Co9
/S-Gr
full
cell
achieves
energy
density
235.5
Wh
kg-1
0.5
C.
This
finding
opens
up
unique
strategy
broadens
horizons
material
design
storage
conversion.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(5), P. 1756 - 1780
Published: Jan. 1, 2024
In
this
review,
research
progress
on
layered
oxide
cathodes
for
SIBs
in
recent
years
is
summarized,
with
emphasis
the
problems
of
poor
cycle
life
caused
by
irreversible
phase
transition,
Jahn–Teller
effect
and
interface
deterioration,
several
strategies
are
proposed
to
alleviate
these
issues.
eScience,
Journal Year:
2023,
Volume and Issue:
4(1), P. 100186 - 100186
Published: Sept. 13, 2023
Sodium-ion
batteries
(SIBs)
are
regarded
as
the
most
promising
technology
for
large-scale
energy
storage
systems.
However,
practical
application
of
SIBs
is
still
hindered
by
lack
applicable
cathode
materials.
Herein,
novel
phase-pure
polyanionic
Na8Fe5(SO4)9
designed
and
employed
a
material
first
time.
The
has
an
alluaudite-type
sulfate
framework
small
Na+
ion
diffusion
barriers.
As
expected,
as-synthesized
Na8Fe5(SO4)9@rGO
exhibits
high
working
voltage
3.8
V
(versus
Na/Na+),
superior
reversible
capacity
100.2
mAh
g–1
at
0.2
C,
excellent
rate
performance
(∼80
10
∼63
50
C),
ultra-long
cycling
life
(91.9%
retention
after
10,000
cycles
81%
20,000
C).
We
use
various
techniques
computational
methods
to
comprehensively
investigate
material's
electrochemical
reaction
mechanisms.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(15)
Published: Nov. 1, 2023
Layered
oxides
have
become
the
research
focus
of
cathode
materials
for
sodium-ion
batteries
(SIBs)
due
to
low
cost,
simple
synthesis
process,
and
high
specific
capacity.
However,
poor
air
stability,
unstable
phase
structure
under
voltage,
slow
anionic
redox
kinetics
hinder
their
commercial
application.
In
recent
years,
concept
manipulating
orbital
hybridization
has
been
proposed
simultaneously
regulate
microelectronic
modify
surface
chemistry
environment
intrinsically.
this
review,
modes
between
atoms
in
3d/4d
transition
metal
(TM)
orbitals
O
2p
near
region
Fermi
energy
level
(E
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(16), P. 15871 - 15882
Published: Aug. 1, 2023
Due
to
their
high
capacity
and
sufficient
Na+
storage,
O3-NaNi0.5Mn0.5O2
has
attracted
much
attention
as
a
viable
cathode
material
for
sodium-ion
batteries
(SIBs).
However,
the
challenges
of
complicated
irreversible
multiphase
transitions,
poor
structural
stability,
low
operating
voltage,
an
unstable
oxygen
redox
reaction
still
limit
its
practical
application.
Herein,
using
O3-NaNi0.5Mn0.5–xSnxO2
materials
research
model,
universal
strategy
based
on
bridging
microstructure
engineering
local
electronic
structure
manipulation
is
proposed.
The
can
modulate
physical
chemical
properties
electrode
materials,
so
restrain
unfavorable
transformation,
improve
manipulate
potential,
stabilize
anion
reaction.
effect
Sn
substitution
intrinsic
articulated
by
density
functional
theory
calculations.
Meanwhile,
also
validated
Ti
substitution,
which
could
be
further
extrapolated
other
systems
guide
design
in
field
SIBs.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(15), P. 7828 - 7874
Published: Jan. 1, 2024
This
review
depicts
a
broad
picture
of
fundamental
electrochemical
properties,
challenges
in
practical
use,
improvement
strategies
and
future
prospects
Na
layered
oxides,
attempting
to
offer
insights
into
design
high-performance
cathodes.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(52)
Published: Sept. 11, 2023
Abstract
The
rapid
developments
of
the
Internet
Things
(IoT)
and
portable
electronic
devices
have
created
a
growing
demand
for
flexible
electrochemical
energy
storage
(EES)
devices.
Nevertheless,
these
suffer
from
poor
flexibility,
low
density,
dynamic
stability
power
output
during
deformation,
limiting
their
practical
applications.
Carbon
nanofibers
(CNFs)
with
high
conductivity,
good
large‐scale
preparation
are
regarded
as
promising
electrodes
EES
Based
on
issues
current
devices,
this
review
presents
various
strategies
design
CNFs‐based
to
fabrication
overviews
applications
in
metal
ion/air
batteries
(Li/Na/K‐ion
batteries,
Li‐S
metal–air
other
novel
secondary
batteries)
supercapacitors.
Finally,
remaining
challenges
perspectives
proposed
provide
guidance
researchers
concentrating
high‐performance
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(13), P. 4343 - 4389
Published: Jan. 1, 2024
Na-ion
batteries
have
garnered
significant
attention
as
environmentally
friendly
alternatives
to
Li-ion
batteries.
However,
instability
in
air
prevents
commercialization
of
high
energy
cathodes.
Concerted
efforts
are
required
overcome
this
key
limitation.