ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(6), P. 7119 - 7129
Published: Jan. 31, 2024
Manganese-based
layered
oxides
are
considered
promising
cathodes
for
sodium
ion
batteries
due
to
their
high
capacity
and
low-cost
manganese
resources.
Triggering
the
anionic
redox
reaction
(ARR)
can
exceed
limitation
determined
by
conventional
cationic
redox.
However,
unstable
ARR
charge
compensation
Jahn–Teller
distortion
of
Mn3+
ions
readily
result
in
structural
degradation
rapid
fade.
Here,
we
report
a
P2-type
Na0.8Li0.2Mn0.7Cu0.1O2
cathode
that
shows
retention
84.5%
at
200
mA/g
after
cycles.
Combining
situ
X-ray
diffraction
multi
other
ex
characterizations,
reveal
enhanced
cycling
stability
is
ascribed
slow
release
activity
which
well
suppress
favor
reversibility.
Furthermore,
density-functional
theory
calculations
demonstrate
inhibited
interlayer
migration
reduced
band
gap
facilitate
kinetic
behavior
ARR.
These
findings
provide
perspective
designing
high-energy-density
materials
with
activity.
eScience,
Journal Year:
2023,
Volume and Issue:
3(5), P. 100159 - 100159
Published: July 12, 2023
The
anionic
redox
reaction
(ARR)
is
a
promising
charge
contributor
to
improve
the
reversible
capacity
of
layered-oxide
cathodes
for
Na-ion
batteries;
however,
some
practical
bottlenecks
still
need
be
eliminated,
including
low
retention,
large
voltage
hysteresis,
and
rate
capability.
Herein,
we
proposed
high-Na
content
honeycomb-ordered
cathode,
P2-Na5/6[Li1/6Cu1/6Mn2/3]O2
(P2-NLCMO),
with
combined
cationic/anionic
redox.
Neutron
powder
diffraction
X-ray
P2-NLCMO
suggested
P2-type
stacking
rarely
found
P6322
symmetry.
In
addition,
advanced
spectroscopy
techniques
density
functional
theory
calculations
confirmed
synergistic
stabilizing
relationship
between
Li/Cu
dual
honeycomb
centers,
achieving
fully
active
Cu3+/Cu2+
stabilized
ARR
interactively
suppressed
local
distortion.
With
meticulously
regulated
charge/discharge
protocol,
both
cycling
capability
were
significantly
improved,
demonstrating
reasonable
eliminating
hysteresis.
Overall,
this
work
contributes
well-defined
layered
oxide
cathode
towards
rational
designing
batteries.
Interdisciplinary materials,
Journal Year:
2024,
Volume and Issue:
3(1), P. 74 - 86
Published: Jan. 1, 2024
Abstract
Single‐atom
materials
(SAMs)
have
become
one
of
the
most
important
power
sources
to
push
field
energy
conversion
forward.
Among
main
types
energy,
including
thermal
electrical
solar
and
biomass
SAMs
realized
ultra‐high
efficiency
show
an
appealing
future
in
practical
application.
More
than
high
activity,
uniform
active
sites
also
provide
a
convincible
model
for
chemists
design
comprehend
mechanism
behind
phenomenon.
Therefore,
we
presented
insightful
review
application
single‐atom
material
conversion.
The
challenges
(e.g.,
accurate
synthesis
application)
directions
machine
learning
efficient
design)
applications
are
included,
aiming
guidance
research
next
step.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
490, P. 151625 - 151625
Published: April 24, 2024
In
the
rapidly
evolving
landscape
of
electrochemical
energy
storage
(EES),
advent
artificial
intelligence
(AI)
has
emerged
as
a
keystone
for
innovation
in
material
design,
propelling
forward
design
and
discovery
batteries,
fuel
cells,
supercapacitors,
many
other
functional
materials.
This
review
paper
elucidates
burgeoning
role
AI
materials
from
foundational
machine
learning
(ML)
techniques
to
its
current
pivotal
advancing
frontiers
science
storage,
including
enhancing
performance,
durability,
safety
battery
technologies,
cell
efficiency
longevity,
fine-tuning
supercapacitors
achieve
superior
capabilities.
Collectively,
we
present
comprehensive
overview
recent
advancements
that
have
significantly
accelerated
development
next-generation
EES,
offering
insights
into
future
research
trajectories
potential
unlock
new
horizons
science.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(43), P. 13615 - 13623
Published: Oct. 17, 2024
Manganese/nickel-based
layered
transition
metal
oxides
have
caught
the
attention
of
studies
as
promising
cathodes
for
sodium-ion
batteries
(SIBs).
It
is
reported
that
utilizing
both
cationic
and
anionic
redox
reactions
a
method
higher
energy
density
cathodes.
However,
reaction
comes
at
expense
irreversible
oxygen
release.
Hence,
Li-Mg
cosubstituted
P2-Na
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(1)
Published: Sept. 24, 2023
Abstract
Despite
the
high
energy
of
LiNi
0.8
Co
0.1
Mn
O
2
(NCM811)
cathode,
it
still
suffers
serious
decay
due
to
continuous
solvents
decomposition
and
unstable
cathode
electrolyte
interphase
(CEI)
layers,
especially
under
temperatures.
The
intense
exothermic
reaction
between
delithiated
NCM811
flammable
electrolyte,
on
other
hand,
pushes
batteries
their
safety
limit.
Herein,
these
two
issues
are
tackled
via
engineering
electrolytes,
that
is,
utilizing
salts
with
higher
HOMO
levels
nonflammable
lower
levels,
reduce
massive
improve
battery
elevated
Consequently,
a
thin
boron‐rich
CEI
is
generated,
which
effectively
inhibited
side
reactions,
thus
improving
cycling
stability
safety.
Deviated
from
highly
concentrated
electrolytes
heavily
relies
usage
salts,
recipe
can
introduce
robust
inorganic‐rich
but
use
much
less
salt
(i.e.,
dilute
electrolyte),
thus,
offer
an
encouraging
alternative
toward
practical
applications.
As
such,
exhibits
high‐capacity
retention
81.2%
after
950
cycles
at
25
°C
75%
300
55
°C.
This
work
provides
universal
design
strategy
for
designing
stable
safe
high‐temperature
cathode.
Nano Letters,
Journal Year:
2023,
Volume and Issue:
23(22), P. 10423 - 10431
Published: Nov. 13, 2023
Prussian
blue
(PB)
has
been
an
emerging
class
of
cathode
material
for
sodium-ion
batteries
due
to
its
low
cost
and
high
theoretical
capacity.
However,
their
working
voltage
capacity
are
substantially
restricted
the
deactivation
low-spin
Fe
sites.
Herein,
we
demonstrate
a
universal
strategy
activate
sites
PB
by
hybridizing
them
with
π-π
conjugated
electronic
conductors.
The
redistribution
electron
density
between
conductors
effectively
promotes
participation
in
sodium
storage.
Consequently,
Fe-induced
plateau
is
greatly
aroused,
resulting
specific
148.4
mAh
g-1
remarkable
energy
444.2
Wh
kg-1.
In
addition,
excellent
structural
stability
enables
superior
cycling
over
2500
cycles
outstanding
rate
performance.
work
will
provide
fundamental
insight
into
activating
advanced
battery
technologies.
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(38), P. 44599 - 44606
Published: Sept. 14, 2023
Prussian
white
(PW)
is
considered
one
of
the
most
promising
cathode
materials
for
sodium-ion
batteries
because
its
large
ion
diffusion
channels,
low
lattice
strain,
facile
preparation,
nontoxicity,
and
cost.
At
present,
research
on
PW
mainly
focuses
optimizing
material's
structures
ambient
environment
yet
less
practical
application
under
extreme
temperatures.
In
this
Spotlight,
we
intend
to
offer
progress
have
made
in
developing
working
over
wide
temperatures
terms
intrinsic
feasibility
development
prospects.
These
findings
provide
a
direction
promote
viability
conditions.
