Nano Energy,
Journal Year:
2024,
Volume and Issue:
123, P. 109362 - 109362
Published: Feb. 6, 2024
The
poor
compatibility
of
carbonate-based
electrolytes
with
lithium
metal
anodes
results
in
unstable
solid
electrolyte
interphase,
leading
to
dendrite
formation,
low
Coulombic
efficiency,
and
short
cycle
life.
To
address
this
issue,
we
propose
a
novel
fluorinated
that
leverages
bis(fluorosulfonyl)imide
(LiFSI),
along
solvents.
An
extremely
concentration
nitrate
exerts
substantial
impact
on
the
Li
ion
solvation
structure,
inducing
an
anions-rich
inorganic-rich
interphase
layer
mainly
composed
Li3N
LiF,
which
effectively
inhibits
enhances
interfacial
stability
between
electrode
electrolyte,
yields
excellent
cycling
performance
batteries.
When
coupled
high
nickel
content
cathode
(LiNi0.8Co0.1Mn0.1O2),
cells
exhibit
impressive
1000
cycles
at
4C,
retaining
68.6%
capacity
(with
charge
times
under
15
minutes).
Despite
relatively
oxidation
Dimethoxyethane
cell
demonstrates
exceptional
high-voltage
electrochemical
performance,
even
up
4.5V,
do
not
show
extensive
decomposition
structural
changes,
preserving
79.2%
retention
after
300
cycles.
Using
50
μm
foil
cells,
remarkable
89.5%
is
achieved
400
1C.
This
anode
represents
significant
breakthrough
enhancing
reliability
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(44), P. 24260 - 24271
Published: Oct. 27, 2023
Lithium
metal
batteries
(LMBs)
coupled
with
a
high-voltage
Ni-rich
cathode
are
promising
for
meeting
the
increasing
demand
high
energy
density.
However,
aggressive
electrode
chemistry
imposes
ultimate
requirements
on
electrolytes
used.
Among
various
optimized
investigated,
localized
high-concentration
(LHCEs)
have
excellent
reversibility
against
lithium
anode.
because
they
consist
of
thermally
and
electrochemically
unstable
solvents,
inferior
stability
at
elevated
temperatures
cutoff
voltages.
Here
we
report
semisolvated
sole-solvent
electrolyte
to
construct
typical
LHCE
solvation
structure
but
significantly
improved
using
one
bifunctional
solvent.
The
designed
exhibits
exceptional
both
electrodes
suppressed
dendrite
growth,
phase
transition,
microcracking,
transition
dissolution.
A
Li||Ni0.8Co0.1Mn0.1O2
cell
this
operates
stably
over
wide
temperature
range
from
-20
60
°C
has
capacity
retention
95.6%
after
100th
cycle
4.7
V,
∼80%
initial
is
retained
even
180
cycles.
This
new
indicates
path
toward
future
engineering
safe
LMBs.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(32)
Published: July 5, 2023
Abstract
Popularly‐used
fluorination
can
effectively
weaken
Li
+
‐solvent
interaction
to
facilitate
the
desolvation
process
at
low
temperature;
however,
high
degree
sacrifices
salt
dissociation
and
ionic
conductivity.
Herein,
functional
fluorinations
are
well
tuned
with
different
amounts
of
F
atoms
balance
binding
energy
ion
movement,
which
reveals
effect
on
solvation
behavior
low‐temperature
performance.
Noteworthily,
moderately‐fluorinated
ethyl
difluoroacetate
(EDFA)
successfully
favors
a
lower
than
less‐fluorinated
fluoroacetateand
superior
more
highly‐fluorinated
trifluoroacetate,
realizing
trade‐off
between
weak
affinity
sufficient
The
well‐formulated
EDFA‐based
electrolyte
exhibits
unique
sheath
generates
inorganic‐rich
solid
interphase
resistance
for
smooth
diffusion,
enables
graphite
anodes
excellent
fast‐charging
capability
(196
mAh
g
−1
6
C)
impressive
performance
reversible
capacity
279
under
−40
°C.
Subsequently,
wide
electrochemical
potential
window
endows
1.2
Ah
LiNi
0.8
Co
0.1
Mn
O
2
(NCM811)||graphite
pouch
cells
retention
58.3%
−30
°C
discharge
790
Such
solvent
molecules
strategy
promise
advanced
design
lithium‐ion
batteries
operating
harsh
conditions.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(6), P. 3494 - 3589
Published: March 13, 2024
The
renewable
energy
industry
demands
rechargeable
batteries
that
can
be
manufactured
at
low
cost
using
abundant
resources
while
offering
high
density,
good
safety,
wide
operating
temperature
windows,
and
long
lifespans.
Utilizing
fluorine
chemistry
to
redesign
battery
configurations/components
is
considered
a
critical
strategy
fulfill
these
requirements
due
the
natural
abundance,
robust
bond
strength,
extraordinary
electronegativity
of
free
fluoride
formation,
which
enables
fluorinated
components
with
effectiveness,
nonflammability,
intrinsic
stability.
In
particular,
materials
electrode|electrolyte
interphases
have
been
demonstrated
significantly
affect
reaction
reversibility/kinetics,
tolerance
batteries.
However,
underlining
principles
governing
material
design
mechanistic
insights
atomic
level
largely
overlooked.
This
review
covers
range
topics
from
exploration
fluorine-containing
electrodes,
electrolyte
constituents,
other
for
metal-ion
shuttle
constructing
fluoride-ion
batteries,
dual-ion
new
chemistries.
doing
so,
this
aims
provide
comprehensive
understanding
structure–property
interactions,
features
interphases,
cutting-edge
techniques
elucidating
role
in
Further,
we
present
current
challenges
promising
strategies
employing
chemistry,
aiming
advance
electrochemical
performance,
operation,
safety
attributes
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(10), P. 5291 - 5337
Published: Jan. 1, 2024
Design
principles,
engineering
strategies,
challenges,
and
opportunities
of
gel
polymer
electrolytes
for
rechargeable
batteries
toward
wide-temperature
applications
are
thoroughly
reviewed.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(37)
Published: Aug. 3, 2023
Abstract
Lithium
metal‐based
batteries
(LMBs)
have
garnered
significant
attention
due
to
their
exceptional
energy
density
and
lightweight
characteristics.
However,
the
electrochemical
performance
of
LMBs
often
falls
short,
particularly
in
extreme
temperature
conditions.
To
address
these
challenges,
development
electrolytes
capable
withstanding
wide
ranges
has
emerged
as
a
highly
promising
strategy
for
enhancing
operational
capabilities
LMB
across
diverse
weather
This
comprehensive
review
aims
explore
degradation
mechanisms
wide‐temperature
electrolytes,
establishing
fundamental
understanding
failure
that
impede
at
harsh
temperatures.
Essential
properties
required
are
elucidated,
latest
advancements
electrolyte
technologies
tailored
specifically
all‐climate
operations
comprehensively
discussed.
Particular
emphasis
is
placed
on
unique
role
solvation
structure
interfacial
offers
valuable
insights
proposes
directions
practical
implementation
LMBs,
contributing
significantly
existing
knowledge
base
while
concurrently
paving
way
developing
robust
rigors
environments.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(8), P. 4778 - 4821
Published: April 2, 2024
The
shortage
of
resources
such
as
lithium
and
cobalt
has
promoted
the
development
novel
battery
systems
with
low
cost,
abundance,
high
performance,
efficient
environmental
adaptability.
Due
to
abundance
cost
sodium,
sodium-ion
chemistry
drawn
worldwide
attention
in
energy
storage
systems.
It
is
widely
considered
that
wide-temperature
tolerance
batteries
(WT-SIBs)
can
be
rapidly
developed
due
their
unique
electrochemical
chemical
properties.
However,
WT-SIBs,
especially
for
electrode
materials
electrolyte
systems,
still
face
various
challenges
harsh-temperature
conditions.
In
this
review,
we
focus
on
achievements,
failure
mechanisms,
fundamental
chemistry,
scientific
WT-SIBs.
insights
design
principles,
current
research,
safety
issues
are
presented.
Moreover,
possible
future
research
directions
WT-SIBs
deeply
discussed.
Progress
toward
a
comprehensive
understanding
emerging
comprehensively
discussed
review
will
accelerate
practical
applications
rechargeable
batteries.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(16)
Published: Jan. 5, 2024
Due
to
low
cost
and
high
energy
density,
sodium
metal
batteries
(SMBs)
have
attracted
growing
interest,
with
great
potential
power
future
electric
vehicles
(EVs)
mobile
electronics,
which
require
rapid
charge/discharge
capability.
However,
the
development
of
high-rate
SMBs
has
been
impeded
by
sluggish
Na
