ACS Nano,
Год журнала:
2024,
Номер
18(29), С. 18834 - 18851
Опубликована: Июль 12, 2024
Given
the
pressing
depletion
of
lithium
resources,
sodium-ion
batteries
(SIBs)
stand
out
as
a
cost-effective
alternative
for
energy
storage
solutions
in
near
future.
Layered
transition
metal
oxides
(LTMOs)
emerge
leading
cathode
materials
SIBs
due
to
their
superior
specific
capacities
and
abundant
raw
materials.
Nonetheless,
achieving
long-term
stability
LTMOs
remains
challenge
inevitable
structural
degradation
during
charge–discharge
cycles.
The
complexity
diversity
cation
configurations/superstructures
within
layers
(TMO2)
further
complicate
understanding
newcomers.
Therefore,
it
is
critical
summarize
discuss
factors
available
strategies
enhancing
LTMOs'
stability.
In
this
review,
cationic
configurations
TMO2
are
introduced
from
crystallographic
perspective.
It
then
identifies
examines
four
key
responsible
decay,
alongside
impacts
various
modification
strategies.
Finally,
more
effective
practical
research
approaches
investigating
have
been
proposed.
work
aims
enhance
comprehension
deterioration
facilitate
substantial
improvement
cycle
life
density.
Carbon Neutralization,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 27, 2024
Abstract
Nowadays,
sodium‐ion
batteries
are
considered
the
most
promising
large‐scale
energy
storage
systems
(EESs)
due
to
low
cost
and
wide
distribution
of
sodium
sources
as
well
similar
working
principle
lithium‐ion
(LIBs).
Therefore,
screening
suitable
materials
with
high
abundance,
cost,
excellent
reliability
modified
different
strategies
based
on
them
is
key
point
for
development
(SIBs).
In
addition,
ideal
anodes
elements
also
greatly
influence
SIB
systems,
determining
application.
Herein,
recent
advances
in
carbon,
iron,
manganese,
phosphorus‐based
various
types,
such
hard
iron
oxides,
manganese
red
phosphorus,
highlighted.
The
mechanisms
structure‐function
properties
these
four
types
summarized
analyzed
detail.
Considering
commercial
profits
that
EESs
can
bring
their
suitability
mass
electrode
manufacturing,
participation
high‐abundance
low‐cost
Fe,
Mn,
C,
P
convincing
encouraging.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 20, 2024
Compensating
for
the
irreversible
loss
of
limited
active
sodium
(Na)
is
crucial
enhancing
energy
density
practical
sodium-ion
batteries
(SIBs)
full-cell,
especially
when
employing
hard
carbon
anode
with
initially
lower
coulombic
efficiency.
Introducing
sacrificial
cathode
presodiation
agents,
particularly
those
that
own
potential
anionic
oxidation
activity
a
high
theoretical
capacity,
can
provide
additional
sources
compensating
Na
loss.
Herein,
Ni
atoms
are
precisely
implanted
at
sites
within
Chemical Communications,
Год журнала:
2024,
Номер
60(51), С. 6496 - 6499
Опубликована: Янв. 1, 2024
Through
a
heterostructure
modulation
strategy,
P2/P3-Na
0.44
Mn
0.7
Co
0.3
O
2
was
successfully
synthesized
as
high-rate
and
long-cycle
cathode
material
for
sodium-ion
batteries.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 12, 2024
Abstract
The
O3‐type
NaNi
0.5
Mn
O
2
(NM)
layered
cathode
in
sodium
ion
batteries
(SIBs)
undergoes
structural
distortion
and
capacity
degradation
during
cycling,
which
seriously
hinders
its
practical
application.
Herein,
lanthanum
(La)
is
employed
as
a
dopant
O3‐NaNi
0.5‐x
La
x
(NML)
cathodes,
triggered
an
“atomic
knife”
effect,
reducing
particle
size,
stabilizing
crystal
structure.
larger
ions
generated
strain
grain
growth
at
high
temperatures,
hindering
the
movement
of
boundaries
refining
size
NML
particles.
Comprehensive
characterizations
illuminated
doping‐induced
atomic
site
occupancy
phase
transformations
within
NML.
A
competitive
formation
between
perovskite
LaMnO
3
(LMO)
observed.
Spontaneously
formed
LMO
provides
surface
protection.
Moreover,
strong
La─O
bonds
expand
Na
interlayer
spacing,
enhancing
+
‐ion
diffusion.
Consequently,
cathodes
exhibit
superior
long‐term
cycling
stability
ultrahigh
rate
capacities
compared
to
pristine
NM
most
currently
reported
for
SIBs.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 25, 2025
Precisely
managing
electron
transfer
pathways
throughout
the
catalytic
reaction
is
paramount
for
bolstering
both
efficacy
and
endurance
of
catalysts,
offering
a
pivotal
solution
to
addressing
concerns
surrounding
host
structure
destabilization
cycling
life
degradation.
This
paper
describes
integration
B-Ni
dual
single-atoms
within
MnO2
channels
serve
as
an
electronic
reservoir
direct
route
during
methane
combustion.
Comprehensive
analysis
discovers
that
B
atoms
weaken
interaction
between
O
Mn
by
forming
bonds
with
lattice
oxygen
atoms.
Meanwhile,
Ni
facilitate
achieve
heightened
activity
MnO2.
The
dual-sites
instead
(IV)
could
accommodate
excess
electrons
generated
inhibit
formation
high
spin
(III)
species,
thereby
hindering
Jahn-Teller
distortion
maintaining
catalyst
stability.
work
demonstrates
effective
modification
strategy
substantially
prolong
service
MnO2-based
materials.
Manganese
oxides
typically
undergo
irreversible
phase
transformations
redox
reactions
due
effect.
study
introduces
adjacent
single-atomic
sites
precisely
control
pathways,
enabling
