Advanced Energy Materials,
Год журнала:
2024,
Номер
14(23)
Опубликована: Апрель 13, 2024
Abstract
Microstructure
of
argyrodite
solid‐state
electrolyte
(SSE)
critically
affects
lithium
metal
electrodeposition/dissolution.
While
the
stability
unmodified
SSE
is
mediocre,
once
optimized
state‐of‐the‐art
electrochemical
performance
achieved
(symmetric
cells,
full
cells
with
NMC811)
without
secondary
interlayers
or
functionalized
current
collectors.
Planetary
mechanical
milling
in
wet
media
(m‐xylene)
employed
to
alter
commercial
Li
6
PS
5
Cl
(LPSCl)
powder.
Quantitative
stereology
demonstrates
how
progressively
refines
grain
and
pore
size/distribution
compact,
increases
its
density,
geometrically
smoothens
SSE‐Li
interface.
Mechanical
indentation
that
these
changes
lead
reduced
site‐to‐site
variation
compact's
hardness.
Milled
microstructures
promote
uniform
early‐stage
electrodeposition
on
foil
collectors
stabilize
solid
interphase
(SEI)
reactivity.
Analysis
half‐cells
bilayer
electrolytes
importance
microstructure
directly
contacting
collector,
interface
roughness
due
size
distribution
being
key.
For
first
time,
short‐circuiting
dendrite
identified,
employing
1.5
mm
diameter
“mini”
symmetrical
cell
cryogenic
focused
ion
beam
(cryo‐FIB)
electron
microscopy.
The
branching
sheet‐like
traverses
intergranularly,
filling
interparticle
voids
forming
an
SEI
around
it.
Mesoscale
modeling
reveals
relationship
between
Li‐SSE
morphology
onset
instability,
based
underlying
reaction
distribution.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Янв. 4, 2024
Aqueous
zinc
metal
batteries
(AZMBs)
are
promising
candidates
for
next-generation
energy
storage
due
to
the
excellent
safety,
environmental
friendliness,
natural
abundance,
high
theoretical
specific
capacity,
and
low
redox
potential
of
(Zn)
metal.
However,
several
issues
such
as
dendrite
formation,
hydrogen
evolution,
corrosion,
passivation
Zn
anodes
cause
irreversible
loss
active
materials.
To
solve
these
issues,
researchers
often
use
large
amounts
excess
ensure
a
continuous
supply
materials
anodes.
This
leads
ultralow
utilization
squanders
density
AZMBs.
Herein,
design
strategies
AZMBs
with
discussed
in
depth,
from
utilizing
thinner
foils
constructing
anode-free
structures
100%,
which
provides
comprehensive
guidelines
further
research.
Representative
methods
calculating
depth
discharge
different
first
summarized.
The
reasonable
modification
foil
anodes,
current
collectors
pre-deposited
Zn,
aqueous
(AF-AZMBs)
improve
then
detailed.
In
particular,
working
mechanism
AF-AZMBs
is
systematically
introduced.
Finally,
challenges
perspectives
high-utilization
presented.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Фев. 5, 2024
Abstract
As
the
core
component
of
solid-state
batteries,
neither
current
inorganic
electrolytes
nor
solid
polymer
can
simultaneously
possess
satisfactory
ionic
conductivity,
electrode
compatibility
and
processability.
By
incorporating
efficient
Li
+
diffusion
channels
found
in
polar
functional
groups
present
electrolytes,
it
is
conceivable
to
design
inorganic-organic
hybrid
achieve
true
fusion
synergy
performance.
Herein,
we
demonstrate
that
traditional
metal
coordination
compounds
serve
as
exceptional
ion
conductors
at
room
temperature
through
rational
structural
design.
Specifically,
synthesize
copper
maleate
hydrate
nanoflakes
via
bottom-up
self-assembly
featuring
highly-ordered
1D
are
interconnected
by
Cu
2+
/Cu
nodes
maleic
acid
ligands,
alongside
rich
COO
−
water
within
channels.
Benefiting
from
combination
ion-hopping
coupling-dissociation
mechanisms,
ions
preferably
transport
these
rapidly.
Thus,
-implanted
shows
remarkable
conductivity
(1.17
×
10
−4
S
cm
−1
temperature),
high
transference
number
(0.77),
a
4.7
V-wide
operating
window.
More
impressively,
demonstrated
have
with
both
cathode
anode,
enabling
long-term
stability
more
than
800
cycles.
This
work
brings
new
insight
on
exploring
superior
room-temperature
based
compounds.
Advanced Functional Materials,
Год журнала:
2023,
Номер
34(6)
Опубликована: Окт. 27, 2023
Abstract
Current
lithium
(Li)‐metal
anodes
are
not
sustainable
for
the
mass
production
of
future
energy
storage
devices
because
they
inherently
unsafe,
expensive,
and
environmentally
unfriendly.
The
anode‐free
concept,
in
which
a
current
collector
(CC)
is
directly
used
as
host
to
plate
Li‐metal,
by
using
only
Li
content
coming
from
positive
electrode,
could
unlock
development
highly
energy‐dense
low‐cost
rechargeable
batteries.
Unfortunately,
dead
Li‐metal
forms
during
cycling,
leading
progressive
fast
capacity
loss.
Therefore,
optimization
CC/electrolyte
interface
modifications
CC
designs
key
producing
efficient
batteries
with
liquid
solid‐state
electrolytes.
Lithiophilicity
electronic
conductivity
must
be
tuned
optimize
plating
process
Li‐metal.
This
review
summarizes
recent
progress
findings
design
(e.g.
3D
structures)
its
interaction
Batteries,
Год журнала:
2024,
Номер
10(1), С. 29 - 29
Опубликована: Янв. 17, 2024
The
primary
goal
of
this
review
is
to
provide
a
comprehensive
overview
the
state-of-the-art
in
solid-state
batteries
(SSBs),
with
focus
on
recent
advancements
solid
electrolytes
and
anodes.
paper
begins
background
evolution
from
liquid
electrolyte
lithium-ion
advanced
SSBs,
highlighting
their
enhanced
safety
energy
density.
It
addresses
increasing
demand
for
efficient,
safe
storage
applications
like
electric
vehicles
portable
electronics.
A
major
part
analyzes
electrolytes,
key
SSB
technology.
classifies
as
polymer-based,
oxide-based,
sulfide-based,
discussing
distinct
properties
application
suitability.
also
covers
anode
materials
exploring
lithium
metal,
silicon,
intermetallic
compounds,
focusing
capacity,
durability,
compatibility
electrolytes.
challenges
integrating
these
materials,
interface
stability
dendrite
growth.
This
includes
discussion
latest
analytical
techniques,
experimental
studies,
computational
models
understand
improve
anode–solid
interface.
These
are
crucial
tackling
interfacial
resistance
ensuring
SSBs’
long-term
efficiency.
Concluding,
suggests
future
research
development
directions,
potential
revolutionizing
technologies.
serves
vital
resource
academics,
researchers,
industry
professionals
battery
technology
development.
offers
detailed
technologies
shaping
future,
providing
insights
into
current
solutions
rapidly
evolving
field.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(44)
Опубликована: Май 19, 2024
Abstract
Anode‐free
alkali
metal
batteries
(AFAMBs)
are
regarded
as
the
most
promising
candidates
for
next‐generation
high‐energy
systems
owing
to
their
high
safety,
energy
density,
and
low
cost.
However,
restricted
supply
at
cathode,
severe
dendrite
growth,
unstable
electrode‐electrolyte
interface
result
in
Coulombic
efficiency
severely
short
cycle
life.
The
optimization
strategies
mainly
based
on
laboratory‐level
coin
cells,
but
effectiveness
practical‐level
is
rarely
discussed.
This
review
presents
a
comprehensive
overview
of
recent
developments
challenges
AFAMBs
from
laboratory
toward
practicability.
First,
advances,
major
challenges,
systematically
summarized.
More
significantly,
given
vast
differences
battery
structures
operating
conditions,
gap
between
particularly
emphasized
this
review.
In
addition,
failure
mechanisms
have
been
outlined
key
parameters
affecting
performance
identified.
Finally,
insightful
perspectives
practical
presented,
aiming
provide
helpful
guidance
subsequent
basic
research
promote
large‐scale
commercial
applications
AFAMBs.
