Next Energy,
Journal Year:
2024,
Volume and Issue:
3, P. 100115 - 100115
Published: March 23, 2024
Lithium-ion
batteries
(LIBs)
often
encounter
performance
decline
issues
in
cold
conditions
when
temperature
significantly
drops,
despite
being
widely
regarded
as
a
leading
battery
technology.
Functioning
typical
rocking-chair
battery,
lithium
ions
shuttle
through
the
"blood"
(the
electrolyte)
of
LIBs
between
graphite
anode
commonly-used
negative
electrode)
and
intercalation
compound
cathode
(positive
electrode),
where
ion
movement
tends
to
slow
down
with
decreasing
temperature.
Considering
relative
maturity
electrode
materials,
researchers
generally
pay
attention
electrolyte
corresponding
electrode/electrolyte
interphase
order
accelerate
transport.
In
light
significant
advancements,
we
herein
try
delineate
categorize
engineering
depict
what
next
can
be
done
build
better
suitable
for
cooler
temperatures
near
future.
Specifically,
advances
are
summarized
goal
improving
ionic
conductivity
bulk
electrolyte,
facilitating
desolvation
dynamics
at
interface,
accelerating
across
interfacial
film.
Furthermore,
viable
strategies
outlined
understand
design
principles
low-temperature
inspire
more
endeavors
overcome
critical
challenges
faced
by
extreme
conditions.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(9), P. 4707 - 4740
Published: Jan. 1, 2024
The
microstructural
degradation,
stabilization,
and
characterization
of
layered
Ni-rich
cathodes
for
Li-ion
batteries
are
comprehensively
reviewed
in
this
paper.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(29)
Published: May 2, 2024
Lithium-ion
batteries
(LIBs),
in
which
lithium
ions
function
as
charge
carriers,
are
considered
the
most
competitive
energy
storage
devices
due
to
their
high
and
power
density.
However,
battery
materials,
especially
with
capacity
undergo
side
reactions
changes
that
result
decay
safety
issues.
A
deep
understanding
of
cause
battery's
internal
components
mechanisms
those
is
needed
build
safer
better
batteries.
This
review
focuses
on
processes
failures,
voltage
temperature
underlying
factors.
Voltage-induced
failures
from
anode
interfacial
reactions,
current
collector
corrosion,
cathode
overcharge,
over-discharge,
while
temperature-induced
failure
include
SEI
decomposition,
separator
damage,
between
electrodes
electrolytes.
The
also
presents
protective
strategies
for
controlling
these
reactions.
As
a
result,
reader
offered
comprehensive
overview
features
various
LIB
components.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(18)
Published: March 12, 2024
Abstract
Poly(vinylidene
fluoride)
(PVDF)‐based
polymer
electro‐lytes
are
attracting
increasing
attention
for
high‐voltage
solid‐state
lithium
metal
batteries
because
of
their
high
room
temperature
ionic
conductivity,
adequate
mechanical
strength
and
good
thermal
stability.
However,
the
presence
highly
reactive
residual
solvents,
such
as
N,
N‐dimethylformamide
(DMF),
severely
jeopardizes
long‐term
cycling
Herein,
we
propose
a
solvation‐tailoring
strategy
to
confine
solvent
molecules
by
introducing
low‐cost
3
Å
zeolite
molecular
sieves
fillers.
The
strong
interaction
between
DMF
sieve
weakens
ability
participate
in
solvation
Li
+
,
leading
more
anions
being
involved
solvation.
Benefiting
from
tailored
anion‐rich
coordination
environment,
interfacial
side
reactions
with
anode
NCM811
cathode
effectively
suppressed.
As
result,
Li||Li
symmetrical
cells
demonstrates
ultra‐stable
over
5100
h
at
0.1
mA
cm
−2
Li||NCM811
full
achieve
excellent
stability
than
1130
250
cycles
under
charging
cut‐off
voltages
4.3
V
4.5
V,
respectively.
Our
work
is
an
innovative
exploration
address
negative
effects
PVDF‐based
electrolytes
highlights
importance
modulating
structures
electrolytes.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 7, 2024
Abstract
As
one
of
the
key
components
supercapacitors,
electrolyte
is
intensively
investigated
to
promote
fast
development
energy
supply
system
under
extremely
cold
conditions.
However,
high
freezing
point
and
sluggish
ion
transport
kinetics
for
routine
electrolytes
hinder
application
supercapacitors
at
low
temperatures.
Resultantly,
liquid
should
be
oriented
reduce
point,
accompanied
by
other
superior
characteristics,
such
as
large
ionic
conductivity,
viscosity
outstanding
chemical
stability.
In
this
review,
intrinsically
physical
parameters
microscopic
structure
low‐temperature
are
discussed
thoroughly,
then
previously
reported
strategies
that
used
address
associated
issues
summarized
subsequently
from
aspects
aqueous
non‐aqueous
(organic
electrolyte).
addition,
some
advanced
spectroscopy
techniques
theoretical
simulation
better
decouple
solvation
reveal
link
between
briefly
presented.
Finally,
further
improvement
direction
put
forward
provide
a
reference
guidance
follow‐up
research.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(13), P. 4622 - 4633
Published: Jan. 1, 2024
The
MgF
2
and
F-terminated
groups
effectively
infiltrated
the
ion
transport
channels
within
UiO-66,
thereby
regulating
desolvation
process
facilitating
rapid
Li
+
kinetics.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(40)
Published: May 10, 2024
Abstract
With
the
continuous
development
of
electrochemical
energy
storage
technology,
especially
in
current
pursuit
environmental
sustainability
and
safety,
aqueous
devices,
due
to
their
high
friendliness,
cost‐effectiveness,
are
becoming
an
important
direction
field
storage.
Diverse
application
scenarios
require
that
systems
be
capable
power
supply
under
low
temperature
conditions.
However,
conventional
electrolytes
freeze
at
extremely
temperatures,
causing
limited
ion
transport
slow
reaction
kinetics,
degrading
performance
system.
The
design
low‐temperature
anti‐freeze
has
become
effective
way
address
this
issue.
In
review,
deep
connection
between
hydrogen
bonds
(HBs)
interactions
liquid‐to‐solid
conversion
process,
fundamental
principles
mechanism
is
first
explored.
Subsequently,
a
systematic
categorization
discussion
strategies
for
conducted.
Finally,
potential
directions
proposed.
This
review
aims
provide
comprehensive
scientific
guidance
technical
reference
with
excellent
performance,
thereby
promoting
innovation
devices
environments.
Carbon Energy,
Journal Year:
2024,
Volume and Issue:
6(6)
Published: Feb. 1, 2024
Abstract
The
commercialization
of
silicon‐based
anodes
is
affected
by
their
low
initial
Coulombic
efficiency
(ICE)
and
capacity
decay,
which
are
attributed
to
the
formation
an
unstable
solid
electrolyte
interface
(SEI)
layer.
Herein,
a
feasible
cost‐effective
prelithiation
method
under
localized
high‐concentration
system
(LHCE)
for
silicon–silica/graphite
(Si–SiO
2
/C@G)
anode
designed
stabilizing
SEI
layer
enhancing
ICE.
thin
SiO
/C
layers
with
–NH
groups
covered
on
nano‐Si
surfaces
demonstrated
be
beneficial
process
density
functional
theory
calculations
electrochemical
performance.
formed
LHCE
proven
rich
in
ionic
conductivity,
inorganic
substances,
flexible
organic
products.
Thus,
faster
Li
+
transportation
across
further
enhances
effect
rate
performance
Si–SiO
/C@G
anodes.
also
leads
uniform
decomposition
high
stability
abundant
components.
As
result,
prepared
shows
reversible
specific
937.5
mAh
g
−1
after
400
cycles
at
current
1
C.
NCM
811‖Li‐SSG‐LHCE
full
cell
achieves
high‐capacity
retention
126.15
C
over
750
84.82%
ICE,
indicating
great
value
this
strategy
Si‐based
large‐scale
applications.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(25)
Published: May 5, 2024
Abstract
Aqueous
zinc‐ion
batteries
(AZIBs)
attract
attention
due
to
their
safety
and
high
specific
capacity.
However,
practical
applications
are
constrained
by
Zn
anode
corrosion,
dendritic
growth,
poor
temperature
adaptability
induced
a
strong
hydrogen‐bond
network
in
aqueous
electrolytes.
Herein,
universal
strategy
design
solvating
electrolytes
is
proposed,
which
the
solvation
structures
reconstructed
regulating
dipolar‐dipolar
ion‐dipolar
interactions
simultaneously.
Consequently,
free
water
largely
weakened,
content
2+
solvated
sheath
reduced,
while
between
solvents
strengthened,
effectively
broadens
operating
range
suppresses
dendrites
corrosion.
As
result,
anodes
exhibit
excellent
platting/stripping
efficiency
with
an
average
Coulombic
Efficiency
up
99.89%
after
2000
cycles
at
0.5
mA
cm
−2
,
impressive
cycling
stability
(5000
h,
/0.5
h
),
wide
of
140
°C
(−50–90
°C).
Moreover,
Zn//V
2
O
3
full
cells
also
display
enhanced
temperature‐resistance,
implying
that
designed
electrolyte
has
application
potential
extreme
environments.
This
study
suggests
promising
ideal
for
high‐performance
AZIBs
safety,
ultralong
life,
satisfying
temperature‐resistance.