Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 30, 2024
Abstract
Anode‐free
sodium
metal
batteries
(AFSMBs)
are
regarded
as
the
“ceiling”
for
current
sodium‐based
batteries.
However,
their
practical
application
is
hindered
by
unstable
electrolyte
and
interfacial
chemistry
at
high‐voltage
cathode
anode‐free
side,
especially
under
extreme
temperature
conditions.
Here,
an
advanced
design
strategy
based
on
solvation
engineering
presented,
which
shapes
a
weakly
solvating
anion‐stabilized
(WSAS)
balancing
interaction
between
Na
+
‐solvent
‐anion.
The
special
constructs
rich
contact
ion
pairs
(CIPs)
/aggregates
(AGGs)
clusters
electrode/electrolyte
interface
during
dynamic
process
facilitates
formation
of
uniform
stable
layer,
enabling
highly
cycling
4.0
V‐class
layered
oxide
from
−40
°C
to
60
excellent
reversibility
plating/stripping
with
ultrahigh
average
CE
99.89%.
Ultimately,
industrial
multi‐layer
pouch
cells
using
WSAS
achieve
80%
capacity
remaining
after
50
cycles
even
deliver
74.3%
−30
°C.
This
work
takes
pivotal
step
further
development
high‐energy‐density
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(44)
Опубликована: Май 19, 2024
Abstract
Anode‐free
alkali
metal
batteries
(AFAMBs)
are
regarded
as
the
most
promising
candidates
for
next‐generation
high‐energy
systems
owing
to
their
high
safety,
energy
density,
and
low
cost.
However,
restricted
supply
at
cathode,
severe
dendrite
growth,
unstable
electrode‐electrolyte
interface
result
in
Coulombic
efficiency
severely
short
cycle
life.
The
optimization
strategies
mainly
based
on
laboratory‐level
coin
cells,
but
effectiveness
practical‐level
is
rarely
discussed.
This
review
presents
a
comprehensive
overview
of
recent
developments
challenges
AFAMBs
from
laboratory
toward
practicability.
First,
advances,
major
challenges,
systematically
summarized.
More
significantly,
given
vast
differences
battery
structures
operating
conditions,
gap
between
particularly
emphasized
this
review.
In
addition,
failure
mechanisms
have
been
outlined
key
parameters
affecting
performance
identified.
Finally,
insightful
perspectives
practical
presented,
aiming
provide
helpful
guidance
subsequent
basic
research
promote
large‐scale
commercial
applications
AFAMBs.
Advanced Materials,
Год журнала:
2024,
Номер
36(41)
Опубликована: Авг. 17, 2024
Abstract
Interfacial
Na
+
behaviors
of
sodium
(Na)
anode
severely
threaten
the
stability
sodium‐metal
batteries
(SMBs).
This
review
systematically
and
in‐depth
discusses
current
fundamental
understanding
interfacial
in
SMBs
including
migration,
desolvation,
diffusion,
nucleation,
deposition.
The
key
influencing
factors
optimization
strategies
these
are
further
summarized
discussed.
More
importantly,
high‐energy‐density
anode‐free
metal
(AFSMBs)
highlighted
by
addressing
issues
areas
limited
sources
irreversible
loss.
Simultaneously,
recent
advanced
characterization
techniques
for
deeper
insights
into
deposition
behavior
composition
information
SEI
film
spotlighted
to
provide
guidance
advancement
AFSMBs.
Finally,
prominent
perspectives
presented
guide
promote
development
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 21, 2025
Abstract
Anode‐free
sodium
batteries
(AFSBs)
hold
great
promise
for
high‐density
energy
storage.
However,
high‐voltage
AFSBs,
especially
those
can
stably
cycle
at
a
wide
temperature
range
are
challenging
due
to
the
poor
electrolyte
compatibility
toward
both
cathode
and
anode.
Herein,
AFSBs
with
cycling
ability
in
(−20–60
°C)
realized
first
time
via
sole‐solvent
high‐entropy
based
on
diethylene
glycol
dibutyl
ether
solvent
(D2)
NaPF
6
salt.
The
unique
solvent‐ions
effect
of
strong
anion
interaction
weak
cation
solvation
enables
entropy‐driven
salt
disassociation
high‐concentration
contact
ion
pairs,
thus
simultaneously
forming
stable
anion‐derived
electrode–electrolyte
interphases
Moreover,
liquid
D2
further
extends
extremes
battery.
Consequently,
ampere‐hour
(Ah)‐level
anode‐free
pouch
cells
cyclability
−20–60
°C
realized.
Impressively,
cell
achieves
leadingly
high
cell‐level
density
209
Wh
kg
−1
capacity
retention
83.1%
after
100
cycles
25
°C.
This
work
provides
inspirations
designing
advanced
electrolytes
practical
AFSBs.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(27), С. 16268 - 16292
Опубликована: Янв. 1, 2024
The
anode-free
lithium
metal
battery
is
characterized
by
light
weight,
low
cost,
high-energy
density,
and
high
safety
shows
great
potential
for
the
application
of
flexible
devices.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 20, 2024
Abstract
Fast‐charging
lithium‐ion
batteries
(LIBs)
are
essential
for
electric
vehicles
(EVs)
to
compete
with
conventional
gasoline
ones
in
terms
of
charging
viability,
yet
the
aggressive
capacity
drop
fast‐charging
scenarios
gives
rise
concerns
regarding
durability
and
sustainability.
Herein,
it
is
clarified
that
batteries,
excessive
lithium
(Li)
plating
on
graphite
anode
inevitably
brings
fading,
concurrent
accumulation
Li
2
O‐dominant
passivation
species
form
dead
main
reason
their
poor
rechargeability.
To
refresh
passivated
graphite,
a
voltage‐induced
activation
mechanism
developed
leverage
bromide
(Br
−
/Br
3
)
redox
couple
O
isolated
0
situ.
Along
tiny
amount
(LiBr)
added
into
electrolyte,
cut‐off
voltage
processes
controlled
initiate
maximize
effectiveness
Br
couple.
The
degraded
cells
can
increase
from
lower
than
30
≈118
mAh
g
−1
before
after
activation,
respectively.
Notably,
process
not
one‐off;
subsequent
feasible.
For
same
battery
suffered
another
round
fast
charging,
this
design
still
restores
reversible
≈100
.
Such
voltage‐mediated
effectively
prolong
service
life
practical
batteries.
Abstract
Sodium
metal
is
regarded
as
one
of
the
most
promising
anode
materials
due
to
its
high
theoretical
capacity
(1166
mAh
g
−1
)
and
low
redox
potential
(−2.714
V
vs
standard
hydrogen
electrode).
However,
practical
application
sodium
hindered
by
formation
dendrites
during
Na
stripping
plating,
which
can
degrade
performance
cause
safety
hazards.
To
address
this
issue,
previous
work
focuses
on
leveraging
either
3D
current
collectors
or
liquid
modification
collectors.
In
work,
both
strategies
are
simultaneously
leveraged
design
a
Cu
foam
with
(LM@Cu)
for
dendrite‐free
plating.
The
configuration
effectively
reduces
local
density
evenly
distributes
electric
fields,
while
introduction
enhances
sodiophilicity
lower
nucleation
barrier
sodium,
thereby
promoting
uniform
As
result,
symmetric
cells
LM@Cu
maintain
stable
cycling
over
2800
h.
Additionally,
full
comprising
Na‐LM@Cu
3
2
(PO
4
sustain
97.5%
upon
1000
cycles,
underscoring
great
potentiality
metal‐mediated
in
energy
storage.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 24, 2024
Anode-free
Li-metal
battery
(AFLMB)
is
being
developed
as
the
next
generation
of
advanced
energy
storage
devices.
However,
low
plating
and
stripping
reversibility
Li
on
Cu
foil
prevents
its
widespread
application.
A
promising
avenue
for
further
improvement
to
enhance
lithophilicity
foils
optimise
their
surfaces
through
a
metal-organic
framework
(MOF)
functional
layer.
excessive
binder
usage
in
current
approaches
obscures
active
plane
MOF,
severely
limiting
performance.
In
response
this
challenge,
MOF
polycrystalline
membrane
technology
has
been
integrated
into
field
AFLMB
work.
The
dense
seamless
HKUST-1
was
deposited
(HKUST-1
M@Cu)
via
an
epitaxial
growth
strategy.
contrast
traditional
layers,
binder-free
fully
exposes
lithophilic
sites,
effectively
reducing
nucleation
overpotential
optimising
deposition
quality
Li.
Consequently,
layer
becomes
denser,
eliminating
effects
dendrites.
When
coupled
with
LiFePO
