Integrated Lithium-Rich yLi2MnO3∙(1-y)LiNi1/3Co1/3Mn1/3O2 Layered Cathode Nanomaterials for Lithium-ion Batteries
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(3), С. 1346 - 1346
Опубликована: Фев. 5, 2025
Integrated
Li-
and
Mn-rich
layered
cathodes
yLi2MnO3∙(1-y)LiMO2
(M
=
Mn,
Co,
Ni)
have
shown
their
ability
to
deliver
specific
capacities
close
300
mAh
g−1,
but
significant
drawbacks
are
capacity
fading
voltage
decay
during
cycling.
In
this
study,
new
stoichiometric
high-voltage
Li-rich
oxides
with
y
0.0,
0.3,
0.5
synthesized
in
identical
conditions
using
a
sol–gel
method.
These
compositions
were
analyzed
determine
optimal
configuration
understand
extraordinary
behavior.
Their
nanostructural
properties
investigated
XRD
Raman
spectroscopy,
while
the
morphology
grain-size
distribution
of
samples
characterized
by
BET,
SEM
HRTEM
analyses.
The
electrochemical
performances
integrated
compounds
evaluated
through
galvanostatic
cycling
impedance
spectroscopy.
best
cathode
material
0.5Li2MnO3∙0.5LiNi1/3Co1/3Mn1/3O2
had
retention
83.6%
after
100
cycles
potential
range
2.0–4.8
V
vs.
Li+/Li.
Язык: Английский
Hybrid heterojunction containing rich oxygen vacancies for suppressing lattice oxygen release of Li-rich Mn-based layered oxides cathodes
Journal of Colloid and Interface Science,
Год журнала:
2025,
Номер
unknown, С. 137392 - 137392
Опубликована: Март 1, 2025
Язык: Английский
Surface and Interfacial Modulation of Lithium‐Rich Manganese Layered Oxide Cathode Materials: Progress and Challenges
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 27, 2025
Abstract
Exhibiting
exceptional
energy
density
and
capacity,
lithium‐rich
manganese‐based
layered
oxide
(LLOs)
cathode
materials
have
garnered
considerable
attention
are
emerging
as
strong
contenders
for
future
lithium‐ion
battery
systems.
However,
the
manner
in
which
they
employed
practice
is
hindered
by
several
challenges,
such
voltage
fading,
exhibiting
a
low
initial
coulombic
efficiency,
suboptimal
cycling
stability,
mainly
attributed
to
oxygen
depletion
phase
transformation
phenomena.
The
current
review
primarily
centers
on
recent
progress
addressing
these
issues
through
surface
interfacial
modification
techniques,
including
doping,
coating,
vacancy
engineering.
Other
strategies,
spinel
engineering
hybrid
coating
layers,
also
discussed
potential
solutions
enhance
electrochemical
performance,
capacity
retention.
Additionally,
exploration
advancements
electrolyte
design
aimed
at
stabilizing
LLOs/electrolyte
interface,
reducing
side
reactions,
enabling
development
of
stable
solid
interphase
(CEI).
concludes
highlighting
ongoing
particularly
improving
long‐term
proposes
prospective
research
directions
further
unlocking
LLOs
practical
applications.
Язык: Английский
Progress and obstacles in electrode materials for lithium-ion batteries: a journey towards enhanced energy storage efficiency
RSC Advances,
Год журнала:
2025,
Номер
15(20), С. 15951 - 15998
Опубликована: Янв. 1, 2025
This
review
critically
examines
various
electrode
materials
employed
in
lithium-ion
batteries
(LIBs)
and
their
impact
on
battery
performance.
Язык: Английский
Outlook of Doping Engineering in NMC and LMNO Cathode Materials for Next-Generation Li-Ion Batteries
Energy & Fuels,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 4, 2025
Язык: Английский
Enhanced performance of lithium-ion battery cathodes using a composite conductive network of CNTs, GQDs, and GNRs embedded in Li₁.₂Mn₀.₅₄Ni₀.₁₃Co₀.₁₃O₂ (LMNCO)
Journal of Energy Storage,
Год журнала:
2024,
Номер
106, С. 114823 - 114823
Опубликована: Дек. 4, 2024
Язык: Английский
Recent developments strategies in high entropy modified lithium-rich layered oxides cathode for lithium-ion batteries
Inorganic Chemistry Communications,
Год журнала:
2024,
Номер
172, С. 113721 - 113721
Опубликована: Дек. 11, 2024
Язык: Английский
Suppression of High Spin State of Mn for the Improvement of Mn‐Based Materials in Rechargeable Batteries
Small,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 27, 2024
Abstract
Manganese‐based
materials
are
essential
for
developing
safe,
cost‐effective,
and
environmentally
sustainable
rechargeable
batteries,
which
critical
advancing
clean
energy
technologies.
However,
the
high
spin
state
of
Mn
cation
triggers
a
pronounced
Jahn–Teller
effect
phase
transformations
during
cycling,
leading
to
structural
instability
reduced
electrochemical
performance
Mn‐based
cathodes.
This
review
provides
fundamental
understanding
effect,
highlights
recent
strategies
mitigate
Mn,
offers
insights
into
future
research
directions
aimed
at
overcoming
enhance
next‐generation
cathodes
batteries.
Язык: Английский
Synthesis and Electrochemical Performance Enhancement of Li2MnSiO4 Cathode Material for Lithium‐Ion Batteries via Mn‐Site Ni Doping
Advanced Sustainable Systems,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 30, 2024
Abstract
In
exploring
the
potential
of
Li
2
MnSiO
4
as
a
cathode
material
for
lithium‐ion
batteries
(LIBs),
key
challenges
often
involve
enhancing
electronic
conductivity
and
diffusion
rates.
To
address
these
issues,
this
paper
proposes
combination
solid‐state
doping
two‐step
calcination
process
to
successfully
prepare
Mn
1−x
Ni
x
SiO
series
materials,
where
substitutes
at
different
amounts
(x
=
0,
0.02,
0.04,
0.06,
0.08).
The
use
chemically
equivalent
2+
ions
replace
is
an
effective
method.
Since
ionic
radius
smaller
than
that
,
substitution
can
create
more
voids
in
lattice
structure.
These
increased
provide
smoother
channels
transport
electrons
lithium
ions,
thereby
improving
material's
electrical
conductivity.
At
amount
exhibits
optimal
electrochemical
performance,
achieving
discharge
capacity
155
mAh
g
−1
0.1
C,
significantly
superior
undoped
manganese
silicate.
sites
with
improves
capabilities
revealing
tremendous
strategies
optimizing
performance
LIBs
materials.
Язык: Английский