Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 23, 2024
Abstract
Boosting
energy
density
beyond
the
current
status
of
Li‐ion
batteries
is
actively
sought
after
yet
it
remains
very
challenging.
One
promising
pathway
toward
this
goal
development
defect‐free
high‐voltage
cathode
materials
via
novel
crystal
engineered
approaches.
In
response
to
demand,
present
study
focuses
on
synthesizing
LiCoPO
4
,
which
a
polyanionic
compound,
into
nearly
structure
and
preferential
orientation
grown
crystals
solvothermal
method
using
ethylene
glycol
(EG)
as
surface
control
medium.
Notably,
ab
initio
molecular
dynamics
simulations
functional
theory
calculations
elucidate
role
interfacial
variations
induced
by
EG
molecule
interaction
with
particular
facets
giving
rise
desired
growth
direction
in
comparison
hydrothermal
method.
addition
solvent
regulated
growth,
Argon‐annealing
alleviates
undesired
charge
transfer
resistance
eliminating
residue
further
reduces
anti‐site
defect
concentration,
thereby
engineering
essentially
highly
ordered
structure.
The
are
shown
possess
theoretical
full
discharge
capacity
(163.0
mAh
g
−1
774.7
Wh
kg
at
C/10)
superior
rate
capability
(151.6
716.9
1
C),
truly
unmatched
functionality
offering
new
design
possibilities.
Inorganics,
Journal Year:
2025,
Volume and Issue:
13(3), P. 76 - 76
Published: March 6, 2025
As
a
multi-electron
system
material,
the
excellent
capacity
and
environmentally
benign
properties
of
Li2FeTiO4
cathodes
make
them
attractive
for
lithium-ion
batteries.
Nevertheless,
their
electrochemical
performance
has
been
hampered
by
poor
conductivity
limited
ion
transport.
In
this
work,
synthesis
Mg-doped
Li2MgxFe1−xTiO4
(LiFT-Mgx,
x
=
0,
0.01,
0.03,
0.05)
cathode
materials
was
successfully
achieved.
We
observed
significant
gains
in
interlayer
spacing,
ionic
conductivity,
kinetics.
Hence,
sample
LiFT-Mg0.03
demonstrated
charming
initial
(112.1
mAh
g−1,
0.05
C),
stability
(85.0%,
30
cycles),
rate
capability
(96.5
85.9%).
This
research
provided
precious
insights
into
lithium
storage
with
exceptional
long-term
potential
to
drive
development
next-generation
energy
technologies.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 17, 2025
Abstract
Li‐ion
batteries
(LIBs)
are
the
dominant
electrochemical
energy
storage
devices
in
global
society,
which
cathode
materials
key
components.
As
a
requirement
for
higher
energy‐dense
LIBs,
Li‐rich
layered
oxides
(LLO)
cathodes
that
can
provide
specific
capacity
urgently
needed.
However,
LLO
still
face
several
significant
challenges
before
bringing
these
to
market.
In
this
Review,
fundamental
understanding
of
is
described,
with
focus
on
physical
structure‐electrochemical
property
relationships.
Specifically,
various
strategies
toward
reversible
anionic
redox
discussed,
highlighting
approaches
take
basic
structure
battery
into
account.
addition,
application
all‐solid‐state
and
consider
prospects
assessed.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 5, 2025
Abstract
The
Tavorite‐structured
polyanionic
lithium‐ion
batteries
(LIBs)
cathode
material
LiVPO
4
F
(LVPF)
shows
great
promise
for
high‐power
applications
due
to
its
excellent
safety
and
rapid
charge–discharge
capabilities.
This
study
introduces
a
novel
oxygen‐substituted
variant
(1‐x)
O
x
,
synthesized
through
one‐step
hydrothermal
method,
producing
nanosheet
structure.
Advanced
characterization
confirms
the
formula
of
0.69
0.31
(LVPFO).
Electrochemical
evaluations
indicate
that
replacing
part
with
lowers
plateau
voltage
polarization
at
high
current
densities.
exhibits
discharge
capacities
156.6–86.4
mAh
g
−1
various
rates
(0.1–15
C).
It
retains
90.1%
capacity
after
1000
cycles
15
C.
LVPFO
further
demonstrates
fast
ion/electron
transport
structural
stability
across
an
extensive
temperature
range
(−40–50
°C).
An
experimental
full‐cell
carbon‐coated
TiNb
2
7
(TNO@C)
anode
achieves
127.5
energy
density
319
Wh
kg
0.5
C,
good
retention
73.7%
over
10
Density
Functional
Theory
(DFT)
calculations
partial
substitution
endows
lower
Li
+
diffusion
barrier
improves
electronic
conductivity.
offers
valuable
insights
advancement
high‐energy
power‐density
materials
in
LIBs.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(47)
Published: Oct. 6, 2024
Abstract
Energy
storage
devices
are
striving
to
achieve
high
energy
density,
long
lifespan,
and
enhanced
safety.
In
view
of
the
current
popular
lithiated
cathode,
anode‐free
lithium
metal
batteries
(AFLMBs)
will
deliver
theoretical
maximum
density
among
all
battery
chemistries.
However,
AFLMBs
face
challenges
such
as
low
plating‐stripping
efficiency,
significant
volume
change,
severe
Li‐dendrite
growth,
which
negatively
impact
their
lifespan
This
study
provides
an
overview
analysis
recent
progress
in
electrode
structure,
characterization,
performance,
practical
AFLMBs.
The
deposition
behavior
is
categorized
into
two
stages:
heterogeneous
homogeneous
interface
deposition.
feasibility
application
value
critically
evaluated.
Additionally,
key
test
models,
evaluation
parameters,
advanced
characterization
techniques
discussed.
Importantly,
strategies
different
components
AFLMBs,
including
collector,
layer,
solid‐state
electrolyte,
liquid‐state
cycling
protocol,
presented
address
posed
by
types
processes,
loss,
crosstalk
effect
change.
Finally,
prospects
envisioned,
with
a
focus
on
overcoming
limitations
unlocking
full
potential
high‐performance
solutions.
