Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(30), С. 18968 - 18976
Опубликована: Янв. 1, 2024
A
scandium
acetate
electrolyte
additive
enables
the
improved
stability
of
Zn
metal
anodes
in
an
aqueous
ZnSO
4
with
suppressed
side
reactions
and
dendrite
formation
due
to
buffered
pH
value
homogenized
2+
distribution.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 27, 2024
Abstract
Compared
with
prevailing
Zn
foil,
powders
(ZnP)
special‐shaped
tunability
and
large‐scale
processability
are
considered
promising
anodes
for
propelling
batteries,
but
face
the
issue
of
discrete
contact
between
particles
due
to
their
intrinsic
monodispersed
geometries.
Here
a
novel
biomimetic
quasi‐skin‐capillary
ZnP
anode
ionic‐electronic
conducting
full‐chain
networks
(ZnP‐FC)
is
designed,
characterized
by
an
aramid
nanofiber
(ANF)
surface
coating
(skin)
ZnP‐ANF
interwoven
inner
skeleton
(capillary).
The
epidermal
not
only
stabilizes
anode/electrolyte
interface
homogenize
2+
flux
shields
direct
H
2
O
also
extends
inward
as
capillary‐like
adhesive
anchor
affords
high
selectivity
boosting
plating/stripping
efficiency.
Benefiting
from
these
favorable
attributes,
ZnP‐FC||ZnP‐FC
cell
enables
kinetics
stable
ion
migration
afford
long‐term
operation
over
1650
h
at
5
mA
cm
−2
.
Moreover,
ZnP‐FC||KV
12
30‐
y
·nH
full
battery
harvests
high‐rate
capability
(15
A
g
−1
)
ultralong
cyclic
stability
(6000
cycles).
This
work
structural
engineering
landscape
powder
advanced
batteries.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(30), С. 18968 - 18976
Опубликована: Янв. 1, 2024
A
scandium
acetate
electrolyte
additive
enables
the
improved
stability
of
Zn
metal
anodes
in
an
aqueous
ZnSO
4
with
suppressed
side
reactions
and
dendrite
formation
due
to
buffered
pH
value
homogenized
2+
distribution.