Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(38)
Published: June 26, 2024
Abstract
Photorechargeable
zinc
ion
batteries
(PZIBs),
which
can
directly
harvest
and
store
solar
energy,
are
promising
technologies
for
the
development
of
a
renewable
energy
society.
However,
incompatibility
requirement
between
narrow
band
gap
wide
coverage
has
raised
severe
challenges
high‐efficiency
dual‐functional
photocathodes.
Herein,
half‐metallic
vanadium
(III)
oxide
(V
2
O
3
)
was
first
reported
as
photocathode
PZIBs.
Theoretical
experimental
results
revealed
its
unique
photoelectrical
storage
properties
capturing
storing
energy.
To
this
end,
synergistic
protective
etching
strategy
developed
to
construct
carbon
superstructure‐supported
V
nanospheres
@CSs).
The
characteristics
,
combined
with
three‐dimensional
superstructure
assembled
by
ultrathin
nanosheets,
established
rapid
charge
transfer
networks
robust
framework
efficient
stable
solar‐energy
storage.
Consequently,
@CSs
delivered
record
properties,
including
photo‐assisted
discharge
capacities
463
mA
⋅
h
g
−1
at
2.0
A
long‐term
cycling
stability
over
3000
cycles.
Notably,
PZIBs
using
photocathodes
could
be
photorecharged
without
an
external
circuit,
exhibiting
high
photo
conversion
efficiency
(0.354
%)
photorecharge
voltage
(1.0
V).
This
study
offered
direction
direct
capture
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 12, 2025
Abstract
Zn‐ion
batteries
hold
significant
promise
for
large‐scale
energy
storage
systems
owing
to
their
intrinsic
safety
and
cost‐effectiveness.
However,
practical
deployment
is
hindered
by
uncontrolled
dendrite
growth
sluggish
electrode
reaction
kinetics
at
metallic
Zn
anodes.
To
overcome
these
limitations,
a
quasi‐solid
electrolyte
(M@Z)
based
on
MOF@ZnIn
2
S
4
composite
presented.
This
innovative
exhibits
high
room‐temperature
conductivity
(0.99
mS
cm
−1
)
an
improved
2+
transference
number
(0.54).
The
microporous
MOF
component
ensures
uniform
deposition
effectively
suppresses
formation.
Meanwhile,
the
ZnIn
nanosheets
wrapped
around
particles
promote
formation
of
beneficial
In/ZnS‐contained
interphase
anodes
during
cycling,
which
mitigates
side
reactions
accelerates
anode
kinetics.
By
virtue
above
merits,
symmetric
cells
achieve
stabilized
plating/stripping
over
3130
h
with
low
overpotential
tolerate
critical
current
density
10
mA
−2
.
Furthermore,
vanadium‐based
full
assembled
M@Z
deliver
exceptional
cycling
stability,
almost
no
capacity
decay
after
1000
cycles
1.0
A
g
Chemical Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Alkaline
byproducts
at
the
zinc
anode
interface
continue
to
exacerbate
subsequent
side
reactions,
so
realizing
timely
salvage
of
electrodes
is
equally
important
compared
upfront
prevention
strategies.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(38)
Published: June 26, 2024
Abstract
Photorechargeable
zinc
ion
batteries
(PZIBs),
which
can
directly
harvest
and
store
solar
energy,
are
promising
technologies
for
the
development
of
a
renewable
energy
society.
However,
incompatibility
requirement
between
narrow
band
gap
wide
coverage
has
raised
severe
challenges
high‐efficiency
dual‐functional
photocathodes.
Herein,
half‐metallic
vanadium
(III)
oxide
(V
2
O
3
)
was
first
reported
as
photocathode
PZIBs.
Theoretical
experimental
results
revealed
its
unique
photoelectrical
storage
properties
capturing
storing
energy.
To
this
end,
synergistic
protective
etching
strategy
developed
to
construct
carbon
superstructure‐supported
V
nanospheres
@CSs).
The
characteristics
,
combined
with
three‐dimensional
superstructure
assembled
by
ultrathin
nanosheets,
established
rapid
charge
transfer
networks
robust
framework
efficient
stable
solar‐energy
storage.
Consequently,
@CSs
delivered
record
properties,
including
photo‐assisted
discharge
capacities
463
mA
⋅
h
g
−1
at
2.0
A
long‐term
cycling
stability
over
3000
cycles.
Notably,
PZIBs
using
photocathodes
could
be
photorecharged
without
an
external
circuit,
exhibiting
high
photo
conversion
efficiency
(0.354
%)
photorecharge
voltage
(1.0
V).
This
study
offered
direction
direct
capture
