Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(12)
Опубликована: Янв. 29, 2024
Room-temperature
sodium-sulfur
(RT
Na-S)
batteries
are
promising
for
low-cost
and
large-scale
energy
storage
applications.
However,
these
plagued
by
safety
concerns
due
to
the
highly
flammable
nature
of
conventional
electrolytes.
Although
non-flammable
electrolytes
eliminate
risk
fire,
they
often
result
in
compromised
battery
performance
poor
compatibility
with
sodium
metal
anode
sulfur
cathode.
Herein,
we
develop
an
additive
tin
trifluoromethanesulfonate
(Sn(OTf)
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 20, 2025
Abstract
Sodium‐metal
batteries
are
the
most
promising
low‐cost
and
high‐energy‐density
new
energy
storage
technology.
However,
sodium‐metal
anode
has
poor
reversibility,
which
can
be
optimized
by
constructing
robust
solid
electrolyte
interphase
(SEI).
Here,
a
concept
of
dual‐weak‐interaction
(DWIE)
is
demonstrated,
its
double‐layer
solvation
structure
composed
weakly
solvated
tetrahydrofuran
as
inner
layer,
dipole
interaction
introduced
in
outer
layer
dibutyl
ether.
This
dominated
contact
ion
pairs
aggregates
promote
to
deriving
inorganic‐rich
SEI
film,
resulting
smooth
dendrite‐free
deposition.
By
adjusting
molecular
configuration
ether
diisobutyl
ether,
further
enhanced,
stronger
solvating
effect.
Thus,
Na||Cu
cells
using
DWIE
achieved
high
Coulombic
efficiency
99.22%,
surpassing
design
strategies.
Meanwhile,
at
5C,
Na
3
V
2
(PO
4
)
(NVP)||Na
cell
achieves
stable
cycling
exceeding
3000
cycles.
Even
under
rigorous
conditions
≈8.8
mg
cm
−2
NVP
loading
50
µm
thickness
Na,
full
achieve
long
lifespan
217
The
pioneering
paves
way
for
crafting
readily
achievable,
cost‐effective,
eco‐friendly
electrolytes
tailored
SMBs,
offers
potential
applications
other
battery
systems.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 26, 2025
Abstract
Sodium‐based
rechargeable
batteries
are
some
of
the
most
promising
candidates
for
electric
energy
storage
with
abundant
sodium
reserves,
particularly,
sodium‐based
dual‐ion
(SDIBs)
perform
advantages
in
high
work
voltage
(≈5.0
V),
high‐power
density,
and
potentially
low
cost.
However,
irreversible
electrolyte
decomposition
co‐intercalation
solvent
molecules
at
electrode
interface
under
a
charge
state
blocking
their
development.
Herein,
high‐salt
concentration
microenvironment
is
created
proposed
by
tailoring
solvation
structures
carriers
including
both
cations
anions,
which
maintains
highly
oxidation‐resistant
contact
ion
pairs
aggregates
provides
conductivity.
The
tailored
structure
makes
great
contribution
to
protecting
graphite
cathode
from
oxidation,
co‐intercalation,
structural
degradation
constructing
robust
cathode‐electrolyte
interphase
standout
electrochemical
stability.
Based
on
this,
SDIBs
achieved
an
excellent
high‐voltage
cycling
stability
81%
capacity
retention
after
10
000
cycles
battery
showed
improved
rate
performance
97.4
mAh
g
−1
maintained
100
C.
It
identified
that
regulating
anion
responsible
stable
chemistry
enhanced
reaction
kinetics,
deep
insight
into
compatibility
design
between
specialized
electrodes.
The
interfacial
wettability
between
electrodes
and
electrolytes
could
ensure
sufficient
physical
contact
fast
mass
transfer
at
the
gas-solid-liquid,
solid-liquid,
solid-solid
interfaces,
which
improve
reaction
kinetics
cycle
stability
of
rechargeable
metal-based
batteries
(RMBs).
Herein,
engineering
multiphase
interfaces
is
summarized
from
electrolyte
electrode
aspects
to
promote
interface
rate
durability
RMBs,
illustrates
revolution
that
taking
place
in
this
field
thus
provides
inspiration
for
future
developments
RMBs.
Specifically,
review
presents
principle
macro-
microscale
summarizes
emerging
applications
concerning
effect
on
Moreover,
deep
insight
into
development
provided
outlook.
Therefore,
not
only
insights
but
also
offers
strategic
guidance
modification
optimization
toward
stable
electrode-electrolyte
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(43)
Опубликована: Июнь 24, 2023
Abstract
Despite
the
potential
to
become
next‐generation
energy
storage
technology,
practical
lithium–sulfur
(Li–S)
batteries
are
still
plagued
by
poor
cyclability
of
lithium‐metal
anode
and
sluggish
conversion
kinetics
S
species.
In
this
study,
lithium
tritelluride
(LiTe
3
),
synthesized
with
a
simple
one‐step
process,
is
introduced
as
novel
electrolyte
additive
for
Li–S
batteries.
LiTe
quickly
reacts
polysulfides
functions
redox
mediator
greatly
improve
cathode
utilization
active
materials
in
cathode.
Moreover,
formation
Li
2
TeS
/Li
Te‐enriched
interphase
layer
on
surface
enhances
ionic
transport
stabilizes
deposition.
By
regulating
chemistry
both
sides,
enables
stable
operation
anode‐free
only
0.1
m
concentration
conventional
ether‐based
electrolytes.
The
cell
retains
71%
initial
capacity
after
100
cycles,
while
control
23%.
More
importantly,
high
Te,
significantly
better
pouch
full‐cells
under
lean
conditions.
ACS Energy Letters,
Год журнала:
2023,
Номер
8(9), С. 3767 - 3774
Опубликована: Авг. 14, 2023
To
realize
the
practical
viability
of
lithium–sulfur
batteries
(LSBs),
it
is
crucial
to
develop
advanced
electrode
materials
that
enable
high-mass-loading
cells
with
limited
lithium
and
a
lean
electrolyte.
We
present
here
design
binary
binder
by
combining
poly(ethylene
oxide)
(PEO)
cross-linked
quadripolymer,
which
exhibits
high
mechanical
strength
electrochemical
stability.
The
tightly
interwoven
network
enhances
structural
reliability
PEO
in
ether-based
electrolytes
resilience
accommodate
volume
changes
during
cycling.
Moreover,
anode–electrolyte
interfacial
chemistry
sulfur
redox
kinetics
are
ameliorated
this
due
its
strong
polysulfide
adsorbability
multiple
lithium-ion
transport
channels
matrix
quadripolymer
skeleton.
With
binder,
anode-free
full
Li2S
loading
5.4
mg
cm–2
low
electrolyte/sulfur
ratio
7
μL
mg–1
display
significantly
improved
capacity
retention
79%
after
100
cycles.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июнь 5, 2024
Abstract
The
exploration
of
post-Lithium
(Li)
metals,
such
as
Sodium
(Na),
Potassium
(K),
Magnesium
(Mg),
Calcium
(Ca),
Aluminum
(Al),
and
Zinc
(Zn),
for
electrochemical
energy
storage
has
been
driven
by
the
limited
availability
Li
higher
theoretical
specific
energies
compared
to
state-of-the-art
Li-ion
batteries.
Post-Li
metal||S
batteries
have
emerged
a
promising
system
practical
applications.
Yet,
insufficient
understanding
quantitative
cell
parameters
mechanisms
sulfur
electrocatalytic
conversion
hinder
advancement
these
battery
technologies.
This
perspective
offers
comprehensive
analysis
electrode
parameters,
including
S
mass
loading,
content,
electrolyte/S
ratio,
negative/positive
capacity
in
establishing
(Wh
kg
−1
)
post-Li
Additionally,
we
critically
evaluate
progress
investigating
via
homogeneous
heterogeneous
approaches
both
non-aqueous
Na/K/Mg/Ca/Al||S
aqueous
Zn||S
Lastly,
provide
critical
outlook
on
potential
research
directions
designing
Advanced Materials,
Год журнала:
2024,
Номер
36(35)
Опубликована: Июнь 28, 2024
Sulfurized
polyacrylonitrile
(SPAN)
recently
emerges
as
a
promising
cathode
for
high-energy
lithium
(Li)
metal
batteries
owing
to
its
high
capacity,
extended
cycle
life,
and
liberty
from
costly
transition
metals.
As
the
capacities
of
both
Li
SPAN
lead
relatively
small
electrode
weights,
weight
specific
energy
density
Li/SPAN
are
particularly
sensitive
electrolyte
weight,
highlighting
importance
minimizing
density.
Besides,
large
volume
changes
anode
require
inorganic-rich
interphases
that
can
guarantee
intactness
protectivity
throughout
long
cycles.
This
work
addresses
these
crucial
aspects
with
an
design
where
lightweight
dibutyl
ether
(DBE)
is
used
diluent
concentrated
bis(fluorosulfonyl)imide
(LiFSI)-triethyl
phosphate
(TEP)
solution.
The
designed
(d
=
1.04
g
mL
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Окт. 14, 2024
Rechargeable
batteries
with
high
durability
over
wide
temperature
is
needed
in
aerospace
and
submarine
fields.
Unfortunately,
Current
battery
technologies
suffer
from
limited
operating
temperatures
due
to
the
rapid
performance
decay
at
extreme
temperatures.
A
major
challenge
for
wide-temperature
electrolyte
design
lies
restricting
parasitic
reactions
elevated
while
improving
reaction
kinetics
low
Here,
we
demonstrate
a
temperature-adaptive
by
regulating
dipole-dipole
interactions
various
simultaneously
address
issues
both
subzero
This
approach
prevents
degradation
endowing
it
ability
undergo
adaptive
changes
as
varies.
Such
favors
form
solvation
structure
thermal
stability
rising
transits
one
that
salt
precipitation
lower
ensures
stably
within
range
of
‒60
−55
°C.
opens
an
avenue
design,
highlighting
significance
structures.
High
instability
sluggishness
electrolytes
pose
significant
barriers
towards
sodium-ion
batteries.
authors
report
