Improving the onset of oxygen redox reactions by activating surface defects with visible light on a ZnO-based electrode
Polyhedron,
Год журнала:
2025,
Номер
unknown, С. 117450 - 117450
Опубликована: Фев. 1, 2025
Язык: Английский
Carbon quantum dots decoration induced spin polarization of potassium titanate nanotubes for enhanced photocatalytic degradation of naproxen
Applied Catalysis B Environment and Energy,
Год журнала:
2025,
Номер
unknown, С. 125247 - 125247
Опубликована: Март 1, 2025
Язык: Английский
Solid Polymer Electrolyte with Compatible Cathode‐Electrolyte Interfacial Design Enabling Lithium Metal Batteries Operation at 4.8 V with Long Cycle Life
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 27, 2025
Lithium
metal
batteries
(LMBs)
with
solid
polymer
electrolytes
(SPEs)
offer
higher
energy
density
and
enhance
safety
compared
to
the
Li-ion
that
use
a
graphite
anode
organic
electrolytes.
However,
achieving
long
cycle
life
for
LMBs
while
enabling
of
high-voltage
cathodes
required
compatibility
between
cathode-SPE,
rather
than
focusing
solely
on
individual
components.
This
study
presente
dual-functional
poly(ionic
liquid)
(PolyIL)-based
material
simultaneously
serves
as
an
SPE
matrix
cathode
binder,
constructing
cathode-SPE
interface
exceptional
(electro)chemical
owing
high
ionic
conductivity
wide
electrochemical
stability
window.
Additionally,
modified
cellulose
acetate
(CA)-based
PolyIL
substrate,
enriched
C═O
─OH
groups,
is
designed
rationally
incorporated
assist
Li+
migration,
leveraging
their
highly
negative
charge,
enhancing
mechanical
strength
SPE.
Furthermore,
in
situ
polymerization
approach
employed
assemble
cells,
improving
physical
at
interface.
As
result,
Li||LFP
cell
demonstrate
stable
cycling
beyond
1100
cycles,
Li||NCM811
reliably
operates
cut-off
voltage
up
4.8
V.
Язык: Английский
Manipulating Electron Structure through Dual-Interface Engineering of 3C-SiC Photoanode for Enhanced Solar Water Splitting
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 17, 2025
Interface
engineering
is
crucial
for
enhancing
the
efficiency
of
semiconductor-based
solar
energy
devices.
In
this
work,
we
report
a
novel
dual-interface
strategy
by
designing
Ni(OH)2/Co3O4/3C-SiC
photoanode
that
achieves
remarkable
enhancements
in
photoelectrochemical
(PEC)
water
splitting
performance.
The
optimized
delivers
photocurrent
density
1.68
mA
cm-2
at
1.23
V
vs
reversible
hydrogen
electrode
(RHE),
representing
an
8-fold
increase
compared
to
pristine
3C-SiC,
along
with
excellent
operational
stability.
architecture,
Co3O4
serves
as
highly
efficient
hole-extraction
layer
and
forms
p-n
junction
separation
photogenerated
electron-hole
pairs.
At
Ni(OH)2/Co3O4
interface,
formation
Ni-O-Co
bonds
facilitates
rapid
charge
transfer
accelerates
oxygen
evolution
reaction
(OER)
kinetics.
microwave
photoconductivity
decay
(μ-PCD)
measurements
confirm
prolonged
minority
carrier
lifetime,
demonstrating
critical
role
electronic
structure
modulation
improving
reducing
recombination.
Using
advanced
synchrotron
radiation
X-ray
absorption
spectroscopy,
unveil
modifications
interfacial
induced
their
roles
PEC
These
findings
establish
clear
relationship
between
modulation,
dynamics,
performance,
providing
new
insights
into
interface
design
strategies
solar-driven
systems.
Язык: Английский