ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
17(2), P. 3172 - 3179
Published: Dec. 30, 2024
To
advance
off-grid
energy
solutions,
developing
flexible
photobatteries
capable
of
direct
light
charging
is
essential.
This
study
presents
an
innovative
photobattery
architecture
that
incorporates
zinc
oxide
(ZnO2)
as
electron-transporting
and
hole-blocking
layer,
combined
with
a
hybrid
methylammonium
tin
iodide
composite
poly-triarylamine
(MASnI3/PTAA)
for
absorption
hole
transport.
PTAA
facilitates
efficient
transport
to
the
anode,
thereby
enhancing
charge
separation
reducing
recombination
losses.
The
MASnI3
perovskite
serves
effective
sunlight
absorber,
generating
carriers.
ZnO2,
known
its
high
chemical
stability
rapid
electron
mobility,
effectively
blocks
holes
ensures
swift
flow
cathode,
which
optimizes
overall
transfer
dynamics.
refined
structure
achieves
photoconversion
efficiency
enhancement
up
0.53%
retains
approximately
98%
capacity
after
700
cycles.
optimized
MASnI3/PTAA/ZnO2
demonstrates
3-fold
reduction
in
time,
positioning
it
strong
candidate
practical,
light-rechargeable
storage
applications.
Nano-Micro Letters,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: March 28, 2025
Abstract
Harnessing
solar
energy
to
enhance
the
rechargeable
zinc–air
batteries
(RZABs)
performance
is
a
promising
avenue
toward
sustainable
storage
and
conversion.
Simultaneously
enhancing
light-absorption
capacity
carrier
separation
efficiency
in
nanomaterials,
as
well
improving
electrical
conductivity
configuration
for
electrocatalysis,
presents
formidable
challenge
due
inherent
trade-offs
interdependencies.
Here,
we
have
developed
Janus
dual-atom
catalyst
(JDAC)
with
bifunctional
centers
efficient
charge
electrocatalytic
through
bipolar
doping
strategy.
The
situ
X-ray
absorption
near-edge
structure
Raman
spectroscopy
analyses
demonstrated
that
Ni
Fe
JDAC
not
only
function
effective
sites
oxygen
evolution
reaction
reduction
reaction,
respectively,
but
also
serve
hole
electron
enrichment
sites,
effectively
suppressing
photoelectron
recombination
while
photocurrent
generation.
As
result,
assembled
JDAC-based
light-assisted
RZABs
exhibited
extraordinary
stability
at
large
current
densities.
This
work
delivers
pivotal
insight
design
catalysts
efficiently
convert
into
electric
chemical
energy.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(49)
Published: Aug. 27, 2024
Abstract
Photo‐charging
of
semiconductors
stores
electrons
for
decoupled
solar
utilization,
overcoming
intermittent
sunlight
availability.
However,
the
sluggish
photo‐charging
process
impedes
responsive
charge
storage.
Herein,
a
bipolar
storage
junction
is
demonstrated
to
expedite
within
renowned
ionic‐CN/Co
3
O
4
configuration,
benefiting
from
their
mismatched
kinetics.
Rapid
photo‐hole
associated
with
structural
evolution
at
geometrically
dependent
Co
sites
in
improves
electron
ionic‐CN,
while
slow
recovery
altered
[CoO
]
and
6
structures
delayed
electron‐hole
recombination.
By
passivating
individual
atomic
sites,
rapid
hole
attributed
synergistic
contributions
tetrahedral
2
⁺
octahedral
species.
The
photo‐charged
0.86
A
g
−1
,
rivaling
electrical
charging
rate
ion
batteries.
With
60
s
photo‐charging,
yields
0.27
mmol
“dark”
hydrogen,
benchmark
such
short
timeframe.
This
proof‐of‐concept
design
empowers
fast
ability
junctions,
advancing
photo‐charge
utilization.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 29, 2024
Abstract
Designing
solid
polymer
electrolytes
(SPEs)
with
high
ionic
conductivity
for
room‐temperature
operation
is
essential
advancing
flexible
all‐solid‐state
energy
storage
devices.
Innovative
strategies
are
urgently
required
to
develop
SPEs
that
safe,
stable,
and
high‐performing.
In
this
work,
we
introduce
photoexcitation‐modulated
heterojunctions
as
catalytically
active
fillers
within
SPEs,
guided
by
photocatalytic
design
principles,
meanwhile
employ
natural
bacterial
cellulose
improve
the
compatibility
poly(ethylene
oxide),
coordination
environment
of
lithium
salts,
optimize
both
ion
transport
mechanical
properties.
situ
photothermal
experiments
theoretical
calculations
reveal
strong
photogenerated
electric
field
produced
trace
oxide)
under
photoexcitation
significantly
enhances
salt
dissociation,
increasing
concentration
mobile
Li
+
.
This
results
in
a
substantial
increase
conductivity,
reaching
0.135
mS
cm
−1
at
25
°C,
transference
number
0.46.
The
lithium‐metal
pouch
cells
exhibit
an
impressive
discharge
capacity
178.8
mAh
g
even
after
repeated
bending
folding,
demonstrate
exceptional
long‐term
cycling
stability,
retaining
86.7
%
their
initial
250
cycles
1
C
(25
°C).
research
offers
novel
approach
developing
high‐performance
batteries.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(16), P. 14982 - 15000
Published: July 30, 2024
Metal
batteries
with
high
theoretical
capacities
have
become
more
important
than
ever
in
pursuing
carbon-neutral
initiatives
to
reduce
fossil
energy
consumption
and
incorporate
intermittent
renewable
into
the
electric
grid.
However,
cathode
materials
often
encounter
significant
challenges,
such
as
sluggish
reaction
kinetics,
limited
capacities,
or
low
operation
voltages,
limiting
practical
applications
of
these
batteries.
Inspired
by
light–matter
interactions
that
might
provoke
a
photoelectric
photothermal
effect
on
light-responsive
materials,
various
been
developed
introducing
photoactive
convert
solar
electrical
(or
thermal)
energy,
addressing
issues
facing
materials.
Despite
fact
some
reviews
published
summarize
advances
rapid
development
rising
field,
basic
working
principles
are
still
not
well
elucidated
detail.
In
this
review,
we
first
give
summary
understanding
effects
correlate
their
parameters
metrics
(voltage,
capacity,
kinetics)
Then,
provide
representative
examples
support
understanding.
Finally,
challenges
metal
discussed.
Accordingly,
potential
directions
key
perspectives
for
also
proposed
hope
guiding
design
optimization
accelerating
application.
Small,
Journal Year:
2024,
Volume and Issue:
20(47)
Published: Aug. 13, 2024
Abstract
Photo‐accelerated
rechargeable
batteries
play
a
crucial
role
in
fully
utilizing
solar
energy,
but
it
is
still
challenge
to
fabricate
dual‐functional
photoelectrodes
with
simultaneous
high
energy
harvesting
and
storage.
This
work
reports
an
innovative
photo‐accelerated
zinc‐ion
battery
(PAZIB)
featuring
photocathode
SnO
2
@MnO
heterojunction.
The
design
ingeniously
combines
the
excellent
electronic
conductivity
of
storage
light
absorption
capacities
MnO
.
capacity
‐based
PAZIB
≈598
mAh
g
−1
photo‐conversion
efficiency
1.2%
under
illumination
at
0.1
A
,
which
superior
that
most
reported
ZIB.
boosting
performance
attributed
synergistic
effect
enhanced
photogenerated
carrier
separation
efficiency,
improved
conductivity,
promoted
charge
transfer
by
heterojunction,
confirmed
systematic
experiments
theoretical
simulations.
provides
valuable
insights
into
development
dual‐function
photocathodes
for
effective
utilization.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 29, 2024
Abstract
Designing
solid
polymer
electrolytes
(SPEs)
with
high
ionic
conductivity
for
room‐temperature
operation
is
essential
advancing
flexible
all‐solid‐state
energy
storage
devices.
Innovative
strategies
are
urgently
required
to
develop
SPEs
that
safe,
stable,
and
high‐performing.
In
this
work,
we
introduce
photoexcitation‐modulated
heterojunctions
as
catalytically
active
fillers
within
SPEs,
guided
by
photocatalytic
design
principles,
meanwhile
employ
natural
bacterial
cellulose
improve
the
compatibility
poly(ethylene
oxide),
coordination
environment
of
lithium
salts,
optimize
both
ion
transport
mechanical
properties.
situ
photothermal
experiments
theoretical
calculations
reveal
strong
photogenerated
electric
field
produced
trace
oxide)
under
photoexcitation
significantly
enhances
salt
dissociation,
increasing
concentration
mobile
Li
+
.
This
results
in
a
substantial
increase
conductivity,
reaching
0.135
mS
cm
−1
at
25
°C,
transference
number
0.46.
The
lithium‐metal
pouch
cells
exhibit
an
impressive
discharge
capacity
178.8
mAh
g
even
after
repeated
bending
folding,
demonstrate
exceptional
long‐term
cycling
stability,
retaining
86.7
%
their
initial
250
cycles
1
C
(25
°C).
research
offers
novel
approach
developing
high‐performance
batteries.
