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.
SusMat,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 24, 2024
ABSTRACT
Metal–air
batteries
are
an
appealing
option
for
energy
storage,
boasting
a
high
density
and
environmental
sustainability.
Researchers
focus
on
the
catalyst
design
to
solve
problem
of
sluggish
cathode
reaction
kinetic.
However,
in
some
cases,
where
thermodynamic
regulation
is
required,
role
catalysts
limited.
Based
changing
kinetics,
external
fields
can
change
parameters
reaction,
further
reduce
overpotential,
accelerate
rate.
By
selecting
appropriate
adjusting
controllable
variables,
greater
flexibility
potential
provided
control.
This
paper
reviews
basic
principles
by
which
several
influence
metal–air
batteries.
Additionally,
strategies
photoelectrode
materials,
similarities
differences
different
magnetic
field
effects,
research
progress
ultrasonic
field,
stress
microwave
systematically
summarized.
Multifield
coupling
also
interact
produce
additive
effects.
Furthermore,
introducing
will
bring
about
aggravated
side
reactions.
proposes
methods
explore
specific
mechanism
assistance
more
depth.
The
primary
objective
furnish
theoretical
direction
enhancing
performance
field‐supported
batteries,
thereby
advancing
their
development.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 27, 2024
Abstract
Photo‐charging
zinc
ion
batteries
(PCZIBs)
emerge
as
an
innovative
approach
for
the
effective
utilization
and
storage
of
solar
energy.
However,
challenges
originating
from
suboptimal
accessibility
photoexcited
charges
to
electroactive
sites
severely
restrict
their
practical
applications.
Herein,
a
facile
methodology
balance
light
electrochemical
performance
by
constructing
multiple
pn
junctions
in
3D
hierarchical
PTCDA‐SP/CuZnS
photoelectrochemical
cathode
is
reported.
DFT
calculations
reveal
that
p‐type
CuZnS
can
adjust
local
electronic
environment
n‐type
PTCDA‐SP,
facilitating
formation
among
interface
this
cathode.
This
unique
nanostructure
significantly
promotes
ultrafast
charge
transfer
within
3
ps
prevents
other
undesirable
excited
state
decay
pathways,
well
boosts
ultrashort
photo‐response
relaxation
time
less
than
20s,
resulting
high
values
both
photo
current
voltage
72.1
µA
cm
−2
813
mV
respectively.
Additionally,
all
these
carbonyls
are
responsible
Zn
2+
cascade,
ensuring
significant
improvements
reversible
capacities
(ca.
32%).
study
describes
paradigm
building
junction
on
cathodes
construct
high‐performance
PCZIBs.
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.
