ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
17(1), С. 1139 - 1152
Опубликована: Дек. 25, 2024
A
stoichiometric
cubic
phase
of
zinc
bismuth
oxide
ZnBi38O60
(ZBO)
is
introduced
as
an
anode
for
rechargeable
Na-ion
batteries.
ZBO
synthesized
using
a
coprecipitation
method
and
characterized
by
various
physicochemical
techniques.
Pristine
shows
high
cyclability
in
ether-based
electrolyte
due
to
the
formation
robust
interphase
coupled
with
Na+
conductivity.
Fast
charge-transfer
kinetics
chemical
compatibility
between
electrode
result
reversible
stable
capacity
∼300
mA
h/g
at
100
mA/g
∼180
1000
as-synthesized
ZBO.
Using
situ
diffraction
(XRD)
experiments,
both
conversion
alloying
reactions
are
found
be
responsible
observed
good
performance.
robust,
multilayered
SEI
composed
inner
bismuth-rich
inorganic
layer
outer
polyether
ionic
conductivity
X-ray
photoelectron
spectroscopy
analysis.
The
battery
characteristics
superior
individual
binary
oxides,
Bi2O3
ZnO,
thus
bringing
out
advantages
addition
ternary
system
studied.
Preliminary
full
cell
studies
Na3V2(PO4)3
cathode
show
performance
energy
density
stability.
present
investigations
reveal
great
potential
anode,
ZBO,
comprising
earth-abundant
elements,
will
likely
lead
alternate
material
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(48)
Опубликована: Авг. 27, 2024
Abstract
Rechargeable
aqueous
Zn–MnO
2
batteries
are
attracting
attention
as
a
cost‐effective
and
safe
energy
storage
solution,
but
their
commercialization
faces
challenges
due
to
limited
stability,
output
voltage,
density.
Herein,
hybrid‐ion
system
with
enhanced
Mn
4+
/Mn
2+
electrochemical
contribution
is
introduced
using
an
Al
3+
‐based
electrolyte.
Compared
conventional
Zn
electrolytes,
the
hybrid
/Zn
cell
offers
higher
voltage
of
1.75
V,
capacities
up
469
mAh
g
−1
,
outstanding
densities
≈730
Wh
kg
at
0.3
A
.
Besides,
‐enabled
battery
shows
100%
capacity
density
retention
after
10,000
cycles
Even
high
mass–loading
6.2
mg
cm
−2
≈200
maintained
for
over
100
cycles.
This
performance
related
different
intercalation
reaction
mechanisms,
proved
by
combination
analysis
ex‐situ
x
‐ray
diffraction
characterization
cells
discharge
stages.
ions,
Lewis
strong
acid,
contribute
in
two
significant
ways:
through
highly
reversible
intercalation/de‐intercalation
that
substantially
boosts
capacitance
low
current
rates,
promoting
aided
H
+
dominates
rates.
Overall,
this
work
demonstrates
practical
potential
low‐cost
stationary
habilitated
multiple
ion
co‐intercalation.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 22, 2025
Abstract
Potassium‐ion
batteries
(PIBs),
with
abundant
resources
and
low
cost,
are
considered
as
a
promising
alternative
to
commercial
lithium‐ion
for
low‐cost
large‐scale
applications.
Over
the
past
decade,
significant
academic
progresses
made
in
development
of
PIBs,
including
advancements
cathodes,
anodes,
electrolytes.
However,
most
improvements
achieved
under
laboratory
conditions
(e.g.,
K
metal‐based
half‐cells
mass
loading
active
materials),
performance
PIBs
full
cells
is
still
far
from
requirements
A
critical
insight
bridging
research
commercialization
urgently
needed
guide
future
this
field.
This
review
will
discuss
challenges
improvement
strategies
focusing
on
potential
practical
electrolytes,
well
their
cells.
It
aims
give
readers
clear
logical
understanding
PIBs.
The
application
analysis
also
discussed
provide
comprehensive
Finally,
perspectives
provided
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
To
date,
optimizing
electrolytes
has
become
a
promising
approach
to
enable
high-voltage,
high-performance
lithium-ion
cells.
Herein,
study
is
performed
evaluate
the
potential
of
difluoroethylene
carbonate
(DFEC)
replace
fluoroethylene
(FEC)
and
deliver
comparable
or
even
superior
performance
at
high
voltage.
It
unveiled
that
moderately
increasing
lithium
salt
inside
DFEC-based
electrolyte
enhances
high-voltage
cells,
with
outperforming
FEC-based
counterpart.
Moreover,
also
fits
LiFePO4
system
where
illustrated
when
charged
3.8
4.0
V.
As
result
low
binding
energy
between
DFEC
Li+,
an
anion-rich
solvation
structure
formed
by
electrolyte,
facilitating
Li+
intercalation/deintercalation
forming
inorganic-rich
passivation
layers.
In
addition,
cell's
electrode-electrolyte
interface
well-protected
due
film
property
DFEC,
thin,
smooth,
robust
layer
generated
efficiently
prevents
electrode
from
side
reactions
under
Furthermore,
cells
containing
it
demonstrate
safety
properties
exposed
typical
testing.
Hence,
shown
be
viable
alternative
FEC
for
enabling
sound-performance
Small Structures,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 6, 2025
Potassium‐ion
batteries
present
a
promising
alternative
to
address
the
global
lithium
shortage.
However,
their
electrochemical
performance
is
significantly
hampered
by
severe
volume
expansion
of
graphite
electrodes
upon
K‐ion
intercalation.
In
this
work,
comprehensive
multiscale
modeling
approach
introduced
analyze
both
and
mechanical
behavior
potassium‐ion
batteries,
integrating
diffusion
coefficient
properties
derived
from
density
functional
theory
calculations
with
3D
particle
network
model.
The
research
demonstrates
that
concentration
influences
material
properties,
such
as
coefficients,
Young's
modulus,
shear
affecting
stability
potassium‐graphite
intercalation
compounds.
Notably,
study
reveals
KC
24
exhibits
superior
compared
16
despite
its
lower
due
enhanced
electrostatic
interactions.
Additionally,
dependence
crucial
for
accurate
modeling,
constant
values
lead
substantial
discrepancies.
findings
highlight
importance
considering
staging
transitions
precise
prediction
optimization
batteries.
This
work
lays
foundation
future
into
mitigating
degradation
improving
battery
through
advanced
techniques.
Aluminum-based
foil
anodes
could
enable
lithium-ion
batteries
with
high
energy
density
comparable
to
silicon
and
lithium
metal.
However,
mechanical
pulverization
trapping
within
aluminum
tend
cause
capacity
fading.
The
complex
interplay
between
these
damage
modes
is
not
well
understood,
as
the
role
of
microstructure
on
reaction
front
evolution.
Here,
we
investigate
foils
different
compositions
processing
conditions
understand
how
influences
chemo-mechanical
degradation.
Backscattered
electron
imaging
ion-milled
cross
sections
used
visualize
evolution
We
find
that
shape
during
lithiation
strongly
affected
by
composition,
defect
distribution,
grain
size,
which,
in
turn,
affects
foils.
Furthermore,
a
key
finding
extent
fracture
upon
delithiation
inversely
related
trapping,
exhibit
uniform
lithiation,
therefore,
less
fracturing
showing
greater
trapping.
Nonreactive
precipitate
inclusions
alloy
are
also
found
induce
void
formation.
This
work
shows
material
design
strategies
designed
overcome
inverse
fracture-lithium
relationship
be
useful
for
improving
performance.
Published
American
Physical
Society
2024
Journal of Physics Energy,
Год журнала:
2024,
Номер
7(1), С. 012001 - 012001
Опубликована: Ноя. 14, 2024
Abstract
Flexible
wearable
devices
have
gained
increasing
attention
in
the
field
of
health
and
fitness
monitoring
because
their
biocompatibility
ability
to
collect
biomarkers
seamlessly
instantly.
Consequently,
a
new
research
direction
has
emerged
on
how
power
these
portable
electronic
devices.
Currently,
majority
are
powered
by
lithium-ion
batteries
(LIBs).
However,
owing
safety
concerns
bulky
size
LIBs,
there
is
growing
demand
for
sustainable,
light,
supplies.
Thus,
sweat-activated
(SABs)
were
recently
proposed
as
source
generation
energy
storage.
To
validate
feasibility
using
SABs
devices,
we
briefly
recalled
history
development
recent
years,
well
present
outcomes.
This
review
overviews
three
categories
(conventional-redox
batteries,
metal-air
others),
which
based
two
anode
materials
(Magnesium
Zinc)
working
mechanism
diverse
was
interspersed
throughout
discussion.
Moreover,
electrolytes
suitable
substrates
integrating
into
thoroughly
discussed.
Furthermore,
various
SAB
application
scenarios
reviewed.
comprehensive
will
not
only
offer
insights
current
state
technology
but
also
provide
valuable
guidance
suggestions
future
advancements
applications
this
field.
