Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 23, 2025
Designing
dendrite-free
lithium
(Li)
metal
anodes
for
high-performance
batteries
requires
a
fundamental
understanding
of
the
substrate's
lithiophilicity.
Here,
we
systematically
explore
electrochemical
nucleation
behavior
Li
on
various
transition-metal
substrates
and
uncover
substrate-dependent
barrier
that
follows
an
inverted
volcano-shaped
curve,
determined
by
d-band
center
(εd)
these
metals.
Density
functional
theory
calculations
reveal
optimal
εd
balances
Li-atom
adsorption
migration
during
nucleation,
minimizing
barrier.
To
this
end,
propose
validate
catalytic
nature
lithiophilicity
across
diverse
transition
compounds.
As
proof-of-concept,
modulate
electronic
structure
CoP
incorporating
Ni2P,
which
downshifts
through
electron
redistribution
at
CoP/Ni2P
heterointerface,
thereby
optimizing
enhanced
This
leads
to
well-designed
heterointerface-rich
framework
enables
selective
bottom
effectively
suppresses
dendrite
formation.
The
resulting
demonstrates
exceptional
cycling
stability,
achieving
99.1%
Coulombic
efficiency
over
450
cycles
90.2%
capacity
retention
after
100
in
Li||LiFePO4
pouch
cell.
work
revolutionizes
our
offers
pioneering
approach
designing
next-generation
high-energy-density
batteries.
Advanced Materials,
Год журнала:
2024,
Номер
36(24)
Опубликована: Март 4, 2024
Owing
to
continuing
global
use
of
lithium-ion
batteries
(LIBs),
in
particular
electric
vehicles
(EVs),
there
is
a
need
for
sustainable
recycling
spent
LIBs.
Deep
eutectic
solvents
(DESs)
are
reported
as
"green
solvents"
low-cost
and
recycling.
However,
the
lack
understanding
coordination
mechanisms
between
DESs
transition
metals
(Ni,
Mn
Co)
Li
makes
selective
separation
with
similar
physicochemical
properties
practically
difficult.
Here,
it
found
that
have
different
stable
structure
anions
DES
during
leaching.
Further,
based
on
solubility
these
structures
anti-solvent
(acetone),
leaching
process
system
designed,
which
enables
high
recovery
from
cathode
LiNi
Advanced Materials,
Год журнала:
2024,
Номер
36(24)
Опубликована: Март 1, 2024
Abstract
Achieving
reversible
insertion/extraction
in
most
cathodes
for
aqueous
aluminum
ion
batteries
(AAIBs)
is
a
significant
challenge
due
to
the
high
charge
density
of
Al
3+
and
strong
electrostatic
interactions.
Organic
materials
facilitate
hosting
multivalent
carriers
rapid
ions
diffusion
through
rearrangement
chemical
bonds.
Here,
bipolar
conjugated
poly(2,3‐diaminophenazine)
(PDAP)
on
carbon
substrates
prepared
via
straightforward
electropolymerization
method
introduced
as
cathode
AAIBs.
The
integration
n‐type
p‐type
active
units
endow
PDAP
with
an
increased
number
sites
interaction.
long‐range
skeleton
enhances
electron
delocalization
collaborates
ensure
conductivity.
Moreover,
intermolecular
interactions
including
π–π
interaction
hydrogen
bonding
significantly
enhance
its
stability.
Consequently,
Al//PDAP
battery
exhibits
large
capacity
338
mAh
g
−1
long
lifespan
high‐rate
capability.
It
consistently
demonstrates
exceptional
electrochemical
performances
even
under
extreme
conditions
capacities
155
348
at
−20
45
°C,
respectively.
In/ex
situ
spectroscopy
comprehensively
elucidates
cation/anion
(Al
/H
3
O
+
ClO
4
−
)
storage
3‐electron
transfer
dual
electroactive
centers
(C═N
–NH–).
This
study
presents
promising
strategy
constructing
high‐performance
organic
AAIBs
over
wide
temperature
range.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(3), С. 3888 - 3900
Опубликована: Янв. 10, 2024
The
severe
shuttle
effect
and
the
depletion
of
active
sulfur
result
in
performance
deterioration,
presenting
two
formidable
issues
that
must
be
overcome
to
achieve
high-mass-loading
lithium–sulfur
batteries.
Herein,
we
reported
a
composite
separator
by
introducing
carbon
photonic
crystals
with
hierarchically
ordered
porous
structure
on
commercial
separator.
interconnected
hierarchical
macro–meso–micropore
network
facilitate
efficient
trapping
polysulfides
rapid
transport
lithium
ions.
high
ion
diffusivity
promotes
conversion
enhancing
utilization
mitigating
occurrence
"dead
sulfur"
surface
Impressively,
under
loading
3
mg
cm–2,
battery
displayed
reversible
capacity
1582
mA
h
g–1
at
0.1
C
an
excellent
long-term
cycling
decay
rate
as
low
0.033%
per
cycle
over
1500
cycles
1
C.
Surprisingly,
represented
935
0.2
even
6.71
cm–2.
design
underscores
pivotal
role
architecture
improving
brings
bright
prospect
enable
commercialization
Advanced Materials,
Год журнала:
2024,
Номер
36(23)
Опубликована: Март 1, 2024
Abstract
Multinary
metal
chalcogenides
hold
considerable
promise
for
high‐energy
potassium
storage
due
to
their
numerous
redox
reactions.
However,
challenges
arise
from
issues
such
as
volume
expansion
and
sluggish
kinetics.
Here,
a
design
featuring
layered
ternary
Bi
0.4
Sb
1.6
Te
3
anchored
on
graphene
layers
composite
anode,
where
atoms
act
lattice
softening
agent
Sb,
is
presented.
Benefiting
the
arrangement
in
structure,
/graphene
exhibits
mitigated
of
28%
during
potassiation/depotassiation
process
demonstrates
facile
K
+
ion
transfer
kinetics,
enabling
long‐term
durability
500
cycles
at
various
high
rates.
Operando
synchrotron
diffraction
patterns
spectroscopies
including
situ
Raman,
ex
adsorption,
X‐ray
photoelectron
reveal
multiple
conversion
alloying/dealloying
reactions
atomic
level.
In
addition,
both
theoretical
calculations
electrochemical
examinations
elucidate
migration
pathways
indicate
reduction
energy
barriers
within
/graphene,
thereby
suggesting
enhanced
diffusion
kinetics
.
These
findings
provide
insight
durable
multinary
tellurides
storage.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(19)
Опубликована: Март 13, 2024
Abstract
Lithium
(Li)
metal
batteries
(LMBs)
are
deemed
as
ones
of
the
most
promising
energy
storage
devices
for
next
electrification
applications.
However,
uneven
Li
electroplating
process
caused
by
diffusion‐limited
+
transportation
at
surface
inherently
promotes
formation
dendritic
morphology
and
instable
interphase,
while
sluggish
transfer
kinetic
can
also
cause
lithiation‐induced
stress
on
cathode
materials
suffering
from
serious
structural
stability.
Herein,
a
novel
electrolyte
designing
strategy
is
proposed
to
accelerate
introducing
trace
large
organic
polar
molecules
lithium
phytate
(LP)
without
significantly
altering
structure.
The
LP
afford
competitive
solvent
attraction
mechanism
against
solvated
,
enhancing
both
bulk
interfacial
kinetic,
creating
better
anode/cathode
interfaces
suppress
side
reactions,
resulting
in
much
improved
cycling
efficiency
LMBs.
Using
LP‐based
electrolyte,
performance
LMB
pouch
cell
with
practical
capacity
~1.5
Ah
be
greatly.
This
opens
up
route
reliable
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 3, 2024
Abstract
Bacterial
cellulose
(BC)
is
produced
via
the
fermentation
of
various
microorganisms.
It
has
an
interconnected
3D
porous
network
structure,
strong
water‐locking
ability,
high
mechanical
strength,
chemical
stability,
anti‐shrinkage
properties,
renewability,
biodegradability,
and
a
low
cost.
BC‐based
materials
their
derivatives
have
been
utilized
to
fabricate
advanced
functional
for
electrochemical
energy
storage
devices
flexible
electronics.
This
review
summarizes
recent
progress
in
development
BC‐related
devices.
The
origin,
components,
microstructure
BC
are
discussed,
followed
by
advantages
using
applications.
Then,
material
design
strategies
terms
solid
electrolytes,
binders,
separators,
as
well
BC‐derived
carbon
nanofibers
electroactive
discussed.
Finally,
short
conclusion
outlook
regarding
current
challenges
future
research
opportunities
related
next‐generation
suggestions
proposed.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(13)
Опубликована: Янв. 31, 2024
Two-dimensional
(2D)
layered
materials
demonstrate
prominent
advantage
in
regulating
lithium
plating/stripping
behavior
by
confining
diffusion/plating
within
interlayer
gaps.
However,
achieving
effective
confined
without
compromising
the
stability
of
bulk-structural
and
solid
electrolyte
interphase
(SEI)
remains
a
considerable
challenge.
This
paper
presents
an
electrochemical
scissor
zipper-driven
protocol
for
realizing
plating
with
pretty-low
strain
volume
change.
In
this
protocol,
serves
as
"zipper"
to
reunite
adjacent
MXene
back
MAX-like
phase
markedly
enhance
structural
stability,
halide-rich
SEI
is
formed
electrochemically
removing
terminals
halogenated
MXenes
maintain
rapid
ions
diffusion
SEI.
When
Ti
