Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 1, 2025
Abstract
Sodium‐ion
batteries
(NIBs)
emerge
as
promising
alternatives
to
lithium‐ion
due
sodium's
abundance,
low
cost,
and
sustainability.
However,
NIBs
face
challenges
such
lower
energy
density,
electrode
material
compatibility,
long‐term
stability.
Anode‐free
sodium
(AFNBs)
address
these
limitations
by
eliminating
the
pretreatment
anode,
using
a
current
collector
for
plating
stripping,
thus
increasing
density
simplifying
manufacturing.
Several
types
of
AFNBs,
including
anode‐free
Na‐metal,
Na‐solid‐state,
Na‐air/CO
2
batteries,
are
under
development,
each
targeting
specific
electrochemical
challenges.
Na‐metal
offer
high
but
suffer
from
dendrite
formation
unstable
solid‐electrolyte
interphase
(SEI).
Na‐solid‐state
enhance
safety
issues
with
interfacial
resistance
limited
ionic
conductivity.
promise
exceptional
densities
still
in
early
stages,
struggle
Na
lose
stability
concerns.
Interface
engineering
plays
crucial
role
overcoming
challenges,
particularly
controlling
deposition,
stabilizing
SEI,
minimizing
side
reactions.
Research
focuses
on
optimizing
interface
through
surface
modifications,
electrolyte
composition,
protective
coatings
suppress
cycling
This
review
highlights
latest
advancements
explores
future
directions
aiming
develop
high‐energy‐density,
durable,
safe
sodium‐based
storage
systems.
Energy & Environmental Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
In
this
review,
the
formation
mechanism
of
sodium
dendrite
and
corresponding
battery
failure
causes
are
introduced
in
detail,
latest
advances
sodiophilic
design
strategies
systematically
discussed.
Industrial Chemistry and Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
We
comprehensively
reviewed
the
recent
achievements
in
cellulose-based
solid
electrolytes,
including
diverse
modifications
and
compositing
strategies
for
improving
ionic
conductivity,
current
challenges
future
prospects
are
discussed.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Март 21, 2025
Designing
halide
solid
electrolytes
with
high
ionic
conductivity
and
good
(electro)chemical
stability
is
essential
for
the
advancement
of
all-solid-state
sodium-ion
batteries.
Unfortunately,
most
sodium-based
experience
limited
conductivities
ambiguous
correlations
between
their
structure
features
ion
transport
properties.
Here
we
report
a
design
strategy
to
boost
sodium
halides
by
regulating
vacancy
charge
carrier
concentrations
through
facile
Na-
Cl-deficient
compositions
method.
This
approach
achieves
balanced
optimal
content,
rendering
several-fold
enhancement
series
halides.
Furthermore,
fluorination-induced
amorphization
protocol
employed
enhance
interfacial
compatibility
without
detrimentally
influencing
conductivities.
The
promoted
fluorinated
sample
are
primarily
due
increased
local
structural
disorder
enhanced
prismatic
Na
coordination.
When
paired
an
uncoated
Na3V2(PO4)3
positive
electrode
Na3PS4-coated
Na15Sn4
negative
electrode,
Na0.5ZrCl4F0.5
catholyte
enables
battery
run
300
cycles,
retaining
94.4%
its
initial
discharge
capacity
at
room
temperature.
study
provides
versatile
pathway
creating
inorganic
conductors
long-term
cyclability,
advancing
development
Solid-state
batteries
using
face
limitations
instability.
Here,
authors
amorphous
via
vacancy-carrier
optimization
fluorination-driven
amorphization,
enhancing
cycle
in
Na₃V₂(PO₄)₃-based
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 10, 2025
Abstract
Solid‐state
sodium
batteries
are
deemed
as
a
highly
promising
candidate
for
medium
and
long‐term
stationary
energy
storage.
But,
the
solid‐state
electrolyte
with
desirable
ionic
conductivity
high
stability
against
solid
metal
electrodes
remains
significant
challenge
research
development
of
batteries.
In
this
research,
approach
in‐situ
formed
Na‐K
interlayer
is
put
forward,
wherein
K
+
electrochemically
migrates
from
K‐substituted
NASICON‐structure
ceramic
toward
interface
Na
electrode,
locally
dynamically
forming
metal.
Therefore,
compatibility
between
electrolytes
electrode
obviously
enhanced.
Accordingly,
area
specific
resistance
solid/solid
contact
gets
reduced
to
29.9
Ω
cm
2
room
temperature
critical
current
density
1.3
mA
−2
achieved.
meantime,
Na/Na
3
Zr
Si
PO
12
‐0.005K/Na
can
steadily
operate
1400
h
at
0.2
.
Moreover,
electrolyte‐based
paired
polyanion
layered
ion
cathodes
constructed
highlight
superiority
well‐designed
electrolyte/metal
interface.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(23), С. 30128 - 30136
Опубликована: Июнь 4, 2024
The
utilization
of
solid
polymer
electrolytes
(SPEs)
in
all-solid-state
sodium
metal
batteries
has
been
extensively
explored
due
to
their
excellent
flexibility,
processability
adaptability
match
roll-to-roll
manufacturing
processes,
and
good
interfacial
contact
with
a
high-capacity
Na
anode;
however,
SPEs
are
still
impeded
by
inadequate
mechanical
strength,
excessive
thickness,
poor
stability
anodes.
Herein,
robust,
thin,
cost-effective
polyethylene
(PE)
film
is
employed
as
skeleton
for
infiltrating
poly(ethylene
oxide)-sodium
bis(trifluoromethanesulfonyl)imide
(PEO/NaTFSI)
fabricate
PE-PEO/NaTFSI
SPE.
resulting
SPE
features
remarkable
thickness
25
μm,
lightweight
property
(2.1
mg
cm-2),
superior
strength
(tensile
=
100.3
MPa),
flexibility.
also
shows
an
ionic
conductivity
9.4
×
10-5
S
cm-1
at
60
°C
enhanced
anode.
Benefiting
from
these
advantages,
the
assembled
Na-Na
symmetric
cells
show
high
critical
current
density
(1
mA
cm-2)
long-term
cycling
(3000
h
0.3
cm-2).
Na||PE-PEO/NaTFSI||Na3V2(PO4)3
coin
exhibit
performance,
retaining
93%
initial
capacity
190
cycles
when
matched
6
cm-2
cathode
loading.
Meanwhile,
pouch
cell
can
work
stably
after
abuse
testing,
proving
its
flexibility
safety.
This
offers
promising
strategy
simultaneously
achieve
high-strength,
safe
solid-state
batteries.