Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 17, 2025
Currently,
ether-
and
carbonate-based
electrolytes
have
been
extensively
studied
for
applications
in
harsh
conditions;
however,
it
is
difficult
to
develop
a
suitable
electrolyte
system
that
compatible
with
both
high
low
temperatures.
Herein,
the
first
time,
cyclic
sulfite-based
formulated
successfully
achieve
wide-temperature
operation
of
sodium-ion
batteries
(SIBs)
from
-60
60
°C.
By
precisely
modulating
ion-dipole
interactions,
dominant
ion
coordination
states
are
screened
directionally
accelerate
desolvation
process
simultaneously
maintain
sufficient
electrostatic
constraints,
laying
foundation
high-
low-temperature
compatibility.
And
coordinated
anions
additives
synergistically
decompose
enable
inorganic-rich
interphases
robustness
favorable
diffusion,
extending
voltage
window
temperature
range.
As
result,
Na3V2(PO4)2O2F
demonstrates
58
mA
h
g-1
at
-50
°C
while
stably
cycling
300
cycles
80%
capacity
retention.
Additionally,
Na3V2(PO4)3
NaFe1/3Ni1/3Mn1/3O2
cathodes
also
exhibit
discharge
specific
capacities
50
65
Eventually,
Ah-class
pouch
cell
displays
0.64
A
56%
retention
-40
In
short,
introduced
formulation
enhances
wide
SIBs,
shedding
light
on
development
all-weather
systems.
Chemical Science,
Год журнала:
2024,
Номер
15(34), С. 13768 - 13778
Опубликована: Янв. 1, 2024
Lithium-ion
batteries
(LIBs)
are
extensively
employed
in
various
fields.
Nonetheless,
LIBs
utilizing
ethylene
carbonate
(EC)-based
electrolytes
incur
capacity
degradation
a
wide-temperature
range,
which
is
attributable
to
the
slow
Li+
transfer
kinetics
at
low
temperatures
and
solvent
decomposition
during
high-rate
cycling
high
temperatures.
Here,
we
designed
novel
electrolyte
by
substituting
nitrile
solvents
for
EC,
characterized
de-solvation
energy
ionic
conductivity.
The
correlation
between
carbon
chain
length
of
with
reduction
stability
Li+-solvated
coordination
was
investigated.
results
revealed
that
valeronitrile
(VN)
displayed
an
enhanced
lowest
unoccupied
molecular
orbital
level
energy,
helped
construct
robust
SEI
interfacial
layers
improved
ion
LIBs.
VN-based
graphite‖NCM523
pouch
cells
achieved
discharge
89.84%
20C
rate
room
temperature.
Meanwhile,
cell
exhibited
3C
even
temperature
55
°C.
Notably,
conductivity
1.585
mS
cm-1
-50
retained
75.52%
65.12%
their
-40
°C
°C,
respectively.
Wide-temperature-range
have
potential
be
applied
extreme
environments.
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.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 29, 2025
Abstract
Sodium‐ion
batteries
(SIBs)
hold
tremendous
potential
in
next‐generation
energy
storage.
However,
no
SIB
has
yet
achieved
simultaneous
support
for
high
voltage,
rapid
charging,
and
all‐climate
adaptability
due
to
electrolyte
limitations.
This
study
successfully
constructs
versatile
SIBs
using
an
optimized
acetonitrile
(AN)‐based
electrolyte,
which
offers
excellent
high‐voltage
tolerance,
ionic
conductivity,
anion‐enriched
solvation
structure,
a
wide
liquidus
temperature
range.
The
engineered
solid
interphase
(SEI)
exhibits
low
resistance
exceptional
stability,
effectively
supporting
fast
temperature‐adaptive
operation,
long‐term
cycling
stability.
Consequently,
this
tailored
combined
with
robust
SEI,
enables
hard
carbon
(HC)
anodes
achieve
reversible
capacity
of
223
mAh
g
−1
at
rate
5
C.
When
paired
NaNi
1/3
Fe
Mn
O
2
(NFM)
cathode,
the
HC||NFM
full
cells
operate
stably
cut‐off
voltage
4.15
V,
sustaining
over
1400
cycles
Furthermore,
practical
3
Ah
pouch
cell
demonstrates
retaining
90.7%
its
after
1000
cycles,
shows
adaptability,
maintaining
56.4%
room‐temperature
−60
°C
97.3%
retention
350
50
°C.
work
provides
valuable
insights
developing
advanced
electrolytes
SIBs.
Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Март 26, 2025
Abstract
Precise
regulation
of
the
platform
capacity/voltage
electrode
materials
contributes
to
efficient
operation
sodium-ion
fast-charging
devices.
However,
design
such
is
still
in
a
blank
stage.
Herein,
based
on
tunable
metal–organic
frameworks,
we
have
designed
novel
material
system—two-dimensional
high-entropy
frameworks
(HE-MOFs),
which
exhibits
unique
properties
sodium
storage
and
vital
importance
for
realizing
batteries.
Furthermore,
found
that
effect
can
regulate
electronic
structure,
migration
environment,
active
sites,
thereby
meeting
requirements
Impressively,
HE-MOFs
maintains
reversible
specific
capacity
89
mAh
g
−1
at
current
density
20
A
.
It
presents
an
ideal
voltage
plateau
approximately
0.5
V,
its
increased
122.7
,
far
superior
Mn-MOFs
(with
no
capacity).
This
helps
reduce
safety
hazards
during
process
demonstrates
great
application
value
fields
batteries
capacitors.
Our
research
findings
broken
barriers
non-conductive
MOFs
as
energy
materials,
enhanced
understanding
voltage,
paved
way
realization
high-security
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 5, 2024
Abstract
Sodium‐ion
batteries
(SIBs)
are
emerging
as
a
promising
alternative
for
next‐generation
energy
storage
solutions,
driven
by
the
economic
and
environmental
benefits
of
abundant
sodium
resources.
A
pivotal
aspect
SIB
advancement
is
development
advanced
electrolytes,
which
remains
formidable
challenge.
Herein,
facile
scalable
synthesis
method
low‐cost
sodium‐difluoro(oxalato)borate
(NaDFOB)
reported
explored
its
application
standalone
electrolyte
salt
SIBs.
The
NaDFOB‐based
ether
demonstrates
exceptional
electrochemical
stability,
solvent
compatibility,
unique
capacity
to
form
dense,
robust
solid‐electrolyte
interphase
layer
on
electrode
surfaces.
As
result,
Na
4
Fe
3
(PO
)
2
P
O
7
(NFPP)
cathode
with
exhibits
ultrahigh
cycling
stability
remarkable
retention
98.7%
after
1000
cycles.
Furthermore,
an
Ah‐level
hard
carbon
(HC)//NFPP
pouch
cell
using
shows
impressive
cycle
life
500
cycles,
coupled
average
Coulombic
efficiency
99.9%.
cells
also
maintain
superior
performance
across
broad
temperature
range
from
−40
60
°C,
showcasing
electrolyte's
versatility.
This
work
contributes
significant
insights
into
strategic
design
innovative
salts,
paving
way
longer‐lasting
SIBs
enhanced
performance.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 4, 2024
Abstract
The
hard
carbon
(HC)
anodes
with
desirable
electrochemical
performances
including
high
initial
Coulombic
efficiency,
superior
rate
performance
and
long‐term
cycling
play
an
indispensable
role
in
the
practical
application
of
sodium
ion
batteries
(SIBs),
which
are
closely
related
to
electrolytes
them
matched.
Fully
analyzing
mechanism
electrolyte
engineering
for
HC
is
crucial
promoting
commercialization
SIBs,
but
still
lacking.
In
this
review,
correlation
between
physicochemical
properties
first
summarized.
And
point
out
properties,
conductivity,
de‐solvation
energy,
interface
passivation
ability
Na
+
storage
HC.
Then,
formation
process,
composition,
as
well
structure
solid
interphase
(SEI)
on
surface
mainly
discussed,
structure‐activity
relationship
SEI
analyzed
depth.
Moreover,
based
analysis,
relevant
design
strategies
have
been
Finally,
challenges
future
development
directions
proposed.
This
review
expected
provide
professional
theoretical
guidance
contribute
rational
high‐performance
anodes,
industrialization
SIBs.
