Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 10, 2025
Abstract
All
solid‐state
lithium‐sulfur
batteries
(ASSLSBs)
demonstrate
tremendous
potential
in
the
next‐generation
energy
storage
system.
Nevertheless,
incomplete
conversion
of
Li
2
S
to
within
sulfur
electrode
imposes
a
substantial
impediment
on
capacity
release.
Herein,
nickel
single‐atom
catalyst
(NiNC)
materials
are
employed
ameliorate
sluggish
reaction
kinetics
polysulfides.
Moreover,
unknown
origin
catalytic
activity
NiNC
ASSLSBs
is
revealed
by
using
ligand‐field
theory.
The
results
show
that
orbital
Ni
exhibits
significant
vertical
hybridization
phenomenon
from
inert
dsp
state
active
d
sp
3
state,
which
exerts
effect
reduction
S.
As
result,
assembled
attain
release
1506.9
mAh
g
−1
at
0.05
C
and
more
than
70%
retention
ratio
after
600
cycles
high
rate
C.
in‐depth
study
‐orbitals
catalysts
this
work
offers
deep
insights
into
relationship
between
substrate
substance
novel
perspective
for
realization
ASSLSB
with
density.
ACS Nano,
Год журнала:
2024,
Номер
18(18), С. 11849 - 11862
Опубликована: Апрель 25, 2024
Designing
bifunctional
electrocatalysts
to
boost
oxygen
redox
reactions
is
critical
for
high-performance
lithium–oxygen
batteries
(LOBs).
In
this
work,
high-entropy
spinel
(Co0.2Mn0.2Ni0.2Fe0.2Cr0.2)3O4
(HEOS)
fabricated
by
modulating
the
internal
configuration
entropy
of
and
studied
as
electrode
catalyst
in
LOBs.
Under
atomic
environment,
Co–O
octahedron
undergoes
asymmetric
deformation,
reconfiguration
electron
structure
around
Co
sites
leads
upward
shift
d-orbital
centers
toward
Fermi
level,
which
conducive
strong
adsorption
intermediate
LiO2
on
surface
HEOS,
ultimately
forming
a
layer
highly
dispersed
Li2O2
thin
film.
Thin-film
beneficial
ion
diffusion
transfer
at
electrode–electrolyte
interface,
makes
product
easy
decompose
during
charge
process,
accelerating
kinetics
Based
above
advantages,
HEOS-based
LOBs
deliver
high
discharge/charge
capacity
(12.61/11.72
mAh
cm–2)
excellent
cyclability
(424
cycles).
This
work
broadens
way
design
cathode
catalysts
improve
Chemical Communications,
Год журнала:
2024,
Номер
60(67), С. 8789 - 8805
Опубликована: Янв. 1, 2024
The
energy
transition
from
fossil
fuel-based
to
renewable
is
a
global
agenda.
At
present,
major
concern
in
the
green
hydrogen
economy
demand
for
clean
fuels
and
non-noble
materials
produce
through
water
splitting.
Researchers
are
focusing
on
addressing
this
with
help
of
development
appropriate
non-noble-based
photo-/electrocatalytic
materials.
A
new
class
two-dimensional
materials,
MXenes,
have
recently
shown
tremendous
potential
splitting
H
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 10, 2025
Abstract
All
solid‐state
lithium‐sulfur
batteries
(ASSLSBs)
demonstrate
tremendous
potential
in
the
next‐generation
energy
storage
system.
Nevertheless,
incomplete
conversion
of
Li
2
S
to
within
sulfur
electrode
imposes
a
substantial
impediment
on
capacity
release.
Herein,
nickel
single‐atom
catalyst
(NiNC)
materials
are
employed
ameliorate
sluggish
reaction
kinetics
polysulfides.
Moreover,
unknown
origin
catalytic
activity
NiNC
ASSLSBs
is
revealed
by
using
ligand‐field
theory.
The
results
show
that
orbital
Ni
exhibits
significant
vertical
hybridization
phenomenon
from
inert
dsp
state
active
d
sp
3
state,
which
exerts
effect
reduction
S.
As
result,
assembled
attain
release
1506.9
mAh
g
−1
at
0.05
C
and
more
than
70%
retention
ratio
after
600
cycles
high
rate
C.
in‐depth
study
‐orbitals
catalysts
this
work
offers
deep
insights
into
relationship
between
substrate
substance
novel
perspective
for
realization
ASSLSB
with
density.
