Abstract
Designing
current
collectors
and
constructing
efficient
artificial
solid
electrolyte
interphase
(SEI)
layers
are
promising
strategies
for
achieving
dendrite‐free
Li
deposition
practical
applications
in
metal
batteries
(LMBs).
Electrodeposition
is
advantageous
large‐scale
production
allows
the
direct
formation
of
without
binders,
making
them
immediately
usable
as
electrodes.
In
this
study,
an
adherent
Cu
2
S
thin‐layer
on
foil
synthesized
through
anodic
electrodeposition
from
a
Na
solution
one‐step
process,
followed
by
generation
SEI
via
conversion
reaction
(3DLi
S‐Cu
foil).
The
move
3D
surface
to
deposited
surface,
facilitating
uniform
dense
deposition.
3DLi
structure
demonstrates
stable
cycling
performance
over
350
cycles
asymmetric
cell,
with
capacity
1
mAh
cm
−2
at
mA
.
Moreover,
symmetric
cells
5
exhibit
cycle
life
1200
h.
When
paired
commercial
LiFePO
4
(LFP),
full
show
substantially
enhanced
cyclability,
regardless
amount
Li.
This
study
provides
new
insights
into
construction
SEIs
applications.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(18), С. 8980 - 9028
Опубликована: Янв. 1, 2024
As
one
of
the
most
promising
electrochemical
energy
storage
systems,
aqueous
batteries
are
attracting
great
interest
due
to
their
advantages
high
safety,
sustainability,
and
low
costs
when
compared
with
commercial
lithium-ion
batteries,
showing
promise
for
grid-scale
storage.
This
invited
tutorial
review
aims
provide
universal
design
principles
address
critical
challenges
at
electrode-electrolyte
interfaces
faced
by
various
multivalent
battery
systems.
Specifically,
deposition
regulation,
ion
flux
homogenization,
solvation
chemistry
modulation
proposed
as
key
tune
inter-component
interactions
in
corresponding
interfacial
strategies
underlying
working
mechanisms
illustrated.
In
end,
we
present
a
analysis
on
remaining
obstacles
necessitated
overcome
use
under
different
practical
conditions
future
prospects
towards
further
advancement
sustainable
systems
long
durability.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 21, 2025
Abstract
Anode‐free
lithium
batteries
have
attracted
a
lot
of
attention
due
to
several
appealing
attributes
such
as
high
energy
density,
low
cost,
and
enhanced
safety.
However,
these
tend
relatively
short
cycle
life
rapid
capacity
decay
because
the
loss
active
from
continuous
side
reactions.
In
this
review,
comprehensive
summary
anode‐free
developed
in
both
liquid
solid‐state
electrolyte
systems,
technical
challenges
that
plague
their
practical
applications,
well
corresponding
optimization
strategies
are
provided.
Special
is
paid
mechanistic
understanding
deposition,
stripping,
corrosion,
dissolution
behaviors.
addition,
advanced
characterization
tools
highlighted
better
understand
failure
mechanisms
batteries.
Lastly,
opportunities
current
battery
design
concluded
multiple
possibilities
available
for
high‐performance
future
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 3, 2025
Abstract
Oxygen
electrocatalysis
is
a
core
reaction
in
renewable
energy
devices,
greatly
promoting
the
transformation
and
upgrading
of
structure.
Nonetheless,
performance
conversion
devices
hindered
by
large
overpotential
slow
kinetics
oxygen
electrocatalytic
reactions.
Recently,
single‐atom
catalysts
(SACs)
have
emerged
as
promising
contenders
field
because
their
exceptional
metal
atom
utilization,
distinctive
coordination
environment,
adjustable
electronic
properties.
This
review
presents
latest
advancements
design
Co‐based
SACs
for
electrocatalysis.
First,
OER
ORR
mechanisms
are
introduced.
Subsequently,
strategies
regulating
structure
summarized
three
aspects,
including
centers,
support
carriers.
A
particular
emphasis
given
to
relationship
between
properties
catalysts.
Afterward,
applications
explored.
Ultimately,
challenges
prospects
prospected.
Lithium-sulfur
batteries
(LSBs)
have
the
advantages
of
high
theoretical
specific
capacity,
excellent
energy
density,
abundant
elemental
sulfur
reserves.
However,
LSBs
is
mainly
limited
by
shuttling
lithium
polysulfides
(LiPSs),
slow
reaction
kinetics
cathode.
For
solving
above
problems,
developing
high-performance
battery
separators,
reversible
Coulombic
efficiency
(CE)
and
cycle
life
can
be
effectively
enhanced.
Carbon-free
based
metal
compounds
are
expected
to
highly
efficient
separator
modifiers
for
a
new
generation
virtue
superior
chemical
adsorption
strong
catalytic
properties
lithophilicity
certain
extent.
They
give
play
synergistic
effect
their
"adsorption-catalysis"
sites
accelerate
redox
LiPSs,
good
Li
Abstract
Developing
solid‐state
lithium
metal
batteries
with
wide
operating
temperature
range
is
important
in
future.
Polyethylene
oxide
(PEO)‐based
electrolytes
are
extensively
studied
for
merits
including
superior
flexibility
and
low
glass
transition
temperature.
However,
ideal
usage
temperatures
conventional
PEO‐based
between
60
65
°C,
unequable
degrades
their
electrochemical
performances
at
high
(≤25
°C
≥80
°C).
Herein,
modification
methods
of
PEO
low,
especially
wide‐temperature
applications
reviewed
based
on
detailed
analyses
mechanisms
involved
its
different
temperatures.
First,
shortcomings
solid
due
to
influence
pointed
out.
Second,
existing
strategies
summarized
detail
from
three
aspects
high,
temperatures,
application
derivatives
or
chain
segment
treatment
PEO,
addition
fillers,
other
such
as
reasonable
regulation
salts,
introduction
functional
layers
metal‐organic
frameworks
(MOFs)
covalent
organic
(COFs).
Finally,
a
summary
description
electrolyte
research
development
trends
provided.
The
review
aims
offer
some
guidance
the
creation
wider
working
ranges.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 20, 2025
Abstract
Lithium
metal
anode
emerges
as
an
ideal
candidate
for
the
next
generation
of
high‐energy‐density
batteries.
However,
challenges
persist
in
achieving
high
lithium
utilization
rates
while
maintaining
demands
energy
density
and
extended
cycle
life.
In
this
work,
a
novel
conversion–lithiophilicity
strategy
is
proposed
to
regulate
longevity
batteries
by
injecting
ion
activity.
This
validated
through
carbon
nanofiber
decorated
with
Fe
3
C
2
O
particles.
The
uniform
metallic
deposition
induced
lithiophilic
substrates
has
been
verified
deposition/stripping
experiments
functional
theory
calculations.
electrochemical
active
component
supplies
additional
anodic
capacity
suppress
battery
degradation,
demonstrated
lithium‐ion
storage
research
three
electrode
system
studies.
When
paired
LiFePO
4
cathodes
at
N/P
ratio
2,
full
showcases
outstanding
cycling
stability
over
300
cycles
1C,
exceptional
438
Wh
kg
−1
(calculated
based
on
cathode
material
content).
Furthermore,
delivers
rapid
kinetics
124
mAh
g
2C.
presented
offers
promising
avenue
development
high‐energy
long‐life
Understanding
the
interfacial
dynamics
during
operation
is
critical
for
electrochemistry
to
make
great
advancements.
However,
breakthroughs
on
this
topic
under
extreme
conditions
are
very
scarce.
Here,
as
an
example,
we
employ
operando
Raman
spectroscopy
decode
of
titanium
electrolysis
using
a
tailored
instrument.
Direct
spectral
evidence
not
only
confirms
two-step
reduction
pathway
and
key
intermediate
(TiF52-)
in
molten
fluorides
with
high-temperature
strong-corrosion
but
also
unravels
origins
undesirable
shuttling
effect
TiF52-,
which
sluggish
kinetics
outward
diffusion
behavior
TiF52-.
Moreover,
insightful
atomic
scenario
electric
double
layer
(EDL)
varied
potentials
has
been
established.
These
quantitative
understandings
guide
us
design
economical-feasible
regulation
protocols─the
rational
combination
high-concentration,
low-valence
Ti-ion
electrolyte
appropriate
applied
potential.
Impressively,
current
efficiency
greatly
promoted
from
27.7
81.8%
our
proposed
protocols.
Finally,
work
demonstrates
bottom-up
technological
research
paradigm
based
mechanism
insights
rather
than
phenomenological
findings,
will
accelerate
advancement
electrochemistry.
Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Янв. 28, 2025
Abstract
Practical
Zn
metal
batteries
have
been
hindered
by
several
challenges,
including
dendrite
growth,
undesirable
side
reactions,
and
unstable
electrode/electrolyte
interface.
These
issues
are
particularly
more
serious
in
low-concentration
electrolytes.
Herein,
we
design
a
salt-mediated
electrolyte
with
situ
ring-opening
polymerization
of
the
small
molecule
organic
solvent.
The
Zn(TFSI)
2
salt
catalyzes
(1,3-dioxolane
(DOL)),
generating
oxidation-resistant
non-combustible
long-chain
polymer
(poly(1,3-dioxolane)
(pDOL)).
pDOL
reduces
active
H
O
molecules
assists
forming
stable
organic–inorganic
gradient
solid
interphase
rich
constituents,
ZnO
ZnF
.
introduction
endows
advantages:
excellent
inhibition,
improved
corrosion
resistance,
widened
electrochemical
window
(2.6
V),
enhanced
low-temperature
performance
(freezing
point
=
−
34.9
°C).
plating/stripping
pDOL-enhanced
lasts
for
4200
cycles
at
99.02%
Coulomb
efficiency
maintains
lifetime
8200
h.
Moreover,
anodes
deliver
cycling
2500
h
high
utilization
60%.
A
Zn//VO
pouch
cell
assembled
lean
(electrolyte/capacity
(E/C
41
mL
(Ah)
−1
)
also
demonstrates
capacity
retention
ratio
92%
after
600
cycles.
results
highlight
promising
application
prospects
practical
enabled
-mediated
engineering.
