Angewandte Chemie,
Год журнала:
2024,
Номер
136(38)
Опубликована: Июнь 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 Energy Materials,
Год журнала:
2024,
Номер
14(25)
Опубликована: Апрель 24, 2024
Abstract
The
reversibility
and
sustainability
of
Zn
anode
are
greatly
hampered
by
the
dendrite
growth
side
reactions.
Orientational
deposition,
which
allows
assembly
deposits
in
a
highly
ordered
compact
manner,
offers
solution
to
these
issues
enabling
dendrite‐free
anodes.
Moreover,
orientational
deposition
can
effectively
inhibit
reaction
reducing
exposed
surface
area
electrode.
Despite
significant
progress
field
there
is
still
lack
clear
guidelines
for
regulating
orientation,
underlying
mechanisms
remain
rather
elusive.
Therefore,
comprehensive
review
urgently
needed
provide
mechanistic
insight
into
deposition.
This
summarizes
burgeoning
strategies
steering
categorizing
corresponding
five
aspects:
heteroepitaxial
homoepitaxial
interfacial
cultivation,
crystal
facet
anchoring,
current
density
regulation.
distinct
advantages
limitations
each
mechanism
controlling
orientation
discussed
detail.
Finally,
challenges
future
trends
pertaining
envisaged,
aiming
essence
realize
reversible
anodes
ultimately
bridge
gap
between
reality
ideal
aqueous
Zn‐ion
batteries.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(46)
Опубликована: Июнь 22, 2024
Abstract
Solid
electrolyte
interphase
(SEI)
plays
a
crucial
role
in
battery.
This
study
leverages
the
assistance
of
weak
interactions
to
construct
uniform
and
elastic
SEI
for
potassium
batteries.
The
caffeic
acid
phenethyl
ester
(CAPE)
is
introduced
into
electrolyte,
between
CAPE
anodes
enable
contact
electrons
preferentially
during
cycling.
unsaturated
carbon═carbon
double
bonds
molecules
receive
undergo
polymerization
reactions
on
anode
surface,
forming
SEI.
Such
exhibits
good
uniformity
excellent
mechanical
elasticity,
enabling
adapt
well
huge
volume
changes
maintain
structural
stability
As
result,
graphite
over
1500
stable
cycles
at
current
density
100
mA
g
−1
.
metal
full
battery
based
Prussian
blue
(PB)
cathode
5700
times
1000
In
addition,
pouch
potassium‐ion
PB
also
shows
electrochemical
performance,
which
operates
stably
600
without
significant
attenuation
capacity
200
,
showing
potential
practical
value.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(18), С. 8980 - 9028
Опубликована: Янв. 1, 2024
As
one
of
the
most
promising
electrochemical
energy
storage
systems,
aqueous
batteries
are
attracting
great
interest
due
to
their
advantages
high
safety,
sustainability,
and
low
costs
when
compared
with
commercial
lithium-ion
batteries,
showing
promise
for
grid-scale
storage.
This
invited
tutorial
review
aims
provide
universal
design
principles
address
critical
challenges
at
electrode-electrolyte
interfaces
faced
by
various
multivalent
battery
systems.
Specifically,
deposition
regulation,
ion
flux
homogenization,
solvation
chemistry
modulation
proposed
as
key
tune
inter-component
interactions
in
corresponding
interfacial
strategies
underlying
working
mechanisms
illustrated.
In
end,
we
present
a
analysis
on
remaining
obstacles
necessitated
overcome
use
under
different
practical
conditions
future
prospects
towards
further
advancement
sustainable
systems
long
durability.
Abstract
The
practical
implementation
of
aqueous
Zn‐ion
batteries
(ZIBs)
for
large‐scale
energy
storage
is
impeded
by
the
challenges
water‐induced
parasitic
reactions
and
uncontrolled
dendrite
growth.
Herein,
we
propose
a
strategy
to
regulate
both
anions
cations
electrolyte
solvation
structures
address
above
challenges,
introducing
an
additive
3‐hydroxy‐4‐(trimethylammonio)butyrate
(HTMAB)
into
ZnSO
4
electrolyte.
Consequently,
deposition
Zn
significantly
improved
leading
highly
reversible
anode
with
paralleled
texture.
Zn/Zn
cells
/HTMAB
exhibit
outstanding
cycling
performance,
showcasing
lifespan
exceeding
7500
h
exceptionally
high
accumulative
capacity
16.47
Ah
cm
−2
.
Zn/NaV
3
O
8
·1.5H
2
full
cell
displays
specific
~130
mAh
g
−1
at
5
A
maintaining
retention
93%
after
2000
cycles.
This
work
highlights
regulation
on
in
optimizing
interfacial
stability
during
plating/stripping
performance
ZIBs.
image
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Окт. 31, 2024
Modulating
and
elevating
the
operating
voltage
of
a
given
cathode
is
significant
challenge
to
enhance
energy
density
secondary
batteries
without
sacrificing
power
output.
The
chemical
coordination
strongly
influences
levels
d-orbitals
redox
cations
in
materials,
which
tie
their
voltage.
In
contrast
concentrated
studies
on
enhancing
specific
capacity,
this
study,
we
choose
bi-layered
hydrated
vanadium
pentoxide
as
model
modulate
d-orbital
through
local
manipulation,
achieving
higher
rechargeable
aqueous
zinc
ion
batteries.
Here
show
that,
by
employing
X-ray
absorption
spectroscopy
(XAS)
pair
distribution
function
(PDF)
techniques,
can
analyze
distortion
[VO6]
octahedra
extract
bond
information,
deciphering
correlation
between
materials.
fundamentals
could
guide
designing
developing
RAZIBs
with
density.
Here,
authors
tailor
structure
V2O5·nH2O
reactive
3
d
orbitals,
providing
fundamental
insights
Abstract
Practical
aqueous
zinc‐ion
batteries
require
low‐cost
thin
zinc
anodes
with
long‐term
reversible
stripping/depositing.
However,
encounter
more
severe
issues
than
thick
zinc,
such
as
dendrites
and
uneven
stripping,
resulting
in
subpar
performance
limited
lifetimes.
Here,
this
work
proposes
a
three‐in‐one
anode
obtained
by
large‐scale
two‐step
method
to
address
the
above
issues.
In
anode,
copper
foil
an
inactive
current
collector
solves
gradual
reduction
of
active
area
when
only
pure
collector.
This
develops
automatic
electroplating
device
that
can
continuously
deposit
layer
on
conducting
meet
demand
for
zinc‐coated
foils.
The
sodium
carboxymethylcellulose
(CMC)‐zinc
fluoride
(ZnF
2
)
protective
prevents
direct
contact
between
separator,
provides
uniform
sufficient
supply
ions.
CMC‐ZnF
‐coated
performs
up
3000
deposition/stripping
cycles
cumulative
capacity
6
Ah
cm
−2
average
Coulombic
efficiency
99.94%.
Zn||ZnVO
cell
using
achieved
high
retention
over
70%
after
15
000
cycles.
proposed
will
facilitate
industrialization
practical
anodes.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(38)
Опубликована: Июнь 26, 2024
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
