Abstract
Aqueous
zinc
ion
batteries
(AZIBs)
are
promising
candidates
for
next‐generation
energy
storage
systems
due
to
their
low
cost,
high
safety,
and
environmental
friendliness.
As
the
critical
component,
Zn
metal
with
theoretical
capacity
(5855
mAh
cm
−3
),
redox
potential
(−0.76
V
vs.
standard
hydrogen
electrode),
cost
has
been
widely
applied
in
AZIBs.
However,
utilization
rate
(ZUR)
of
anode
caused
by
dendrite
growth,
evolution,
corrosion,
passivation
require
excess
installation
current
AZIBs,
thus
leading
increased
unnecessary
battery
weight
decreased
density.
Herein,
approaches
historical
progress
toward
ZUR
AZIBs
through
perspective
electrolyte
optimization,
protection,
substrate
construction
comprehensively
summarized,
an
in‐depth
understanding
is
highlighted.
Specifically,
main
challenges
failure
mechanisms
analyzed.
Then,
persisting
issues
solutions
reaction
interface,
aqueous
electrolyte,
emphasized.
Finally,
design
100
%
free
presented
detail.
This
review
aims
provide
a
better
fundamental
guidelines
on
design,
which
can
shed
light
research
directions
realizing
density
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(44)
Опубликована: Июль 30, 2024
Abstract
Hydrogel
electrolytes
(HEs)
hold
great
promise
in
tackling
severe
issues
emerging
aqueous
zinc‐ion
batteries,
but
the
prevalent
salting‐out
effect
of
kosmotropic
salt
causes
low
ionic
conductivity
and
electrochemical
instability.
Herein,
a
subtle
molecular
bridging
strategy
is
proposed
to
enhance
compatibility
between
PVA
ZnSO
4
from
perspective
hydrogen‐bonding
microenvironment
re‐construction.
By
introducing
urea
containing
both
an
H‐bond
acceptor
donor,
broken
H‐bonds
H
2
O,
initiated
by
SO
2−
‐driven
O
polarization,
could
be
re‐united
via
intense
intermolecular
hydrogen
bonds,
thus
leading
greatly
increased
carrying
capacity
.
The
urea‐modified
PVA‐ZnSO
HEs
featuring
high
up
31.2
mS
cm
−1
successfully
solves
sluggish
transport
dilemma
at
solid‐solid
interface.
Moreover,
organic
solid‐electrolyte‐interphase
can
derived
situ
electro‐polymerization
prohibit
O‐involved
side
reactions,
thereby
prominently
improving
reversibility
Zn
chemistry.
Consequently,
anodes
witness
impressive
lifespan
extension
50
h
2200
0.1
mA
−2
while
Zn‐I
full
battery
maintains
remarkable
Coulombic
efficiency
(>99.7
%)
even
after
8000
cycles.
anti‐salting‐out
this
work
provides
insightful
concept
for
addressing
phase
separation
issue
functional
HEs.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 5, 2025
Abstract
Aqueous
Zn
batteries
have
garnered
a
great
deal
of
attention
owing
to
environmental
benefits,
intrinsic
safety,
and
cost‐effectiveness.
However,
the
commercial
viability
these
is
hindered
by
anode
issues,
including
dendrite
formation
side
reactions.
Herein,
authors
modulate
deposition
behavior
2+
ions
through
3D
ZIF‐8@MXene
(Z@M)
composite
coating.
The
Z@M
coating
can
effectively
reduce
contact
area
with
electrolyte,
inhibiting
hydrogen
evolution
reaction
corrosion.
Notably,
theoretical
calculations
in
situ
experimental
observations
reveal
that
dual
coordination
mechanism
MXene
ZIF‐8
significantly
improves
adsorption
energy
atoms.
This
improved
capacity
capture
will
promote
desolvation
hydrated
ions,
resulting
dendrite‐free
process.
Therefore,
symmetry
cell,
Z@M‐Zn
demonstrates
an
impressive
cycle
life
1050
h
at
1
mA
cm
−2
.
When
applies
aqueous
Zn‐I
2
battery,
remarkable
lifespan
over
2400
cycles
5
C.
work
provides
straightforward
approach
designing
reversible
anode,
offering
promising
potential
for
broader
applications
across
various
metal‐based
systems.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(29)
Опубликована: Март 18, 2024
Abstract
Biologically
inspired
peptide‐based
materials,
as
novel
charge
transport
have
gained
increasing
interest
in
bioelectronics
due
to
their
remarkable
electrical
properties
and
inherent
biocompatibility.
Extensive
studies
shown
that
peptides
can
self‐assemble
into
a
variety
of
hierarchical
nanostructures
with
unique
physical
through
supramolecular
interactions.
Therefore,
materials
hold
great
promise
for
applications
emerging
electronic
fields
such
sensing,
energy
harvesting,
storage,
transmission.
Herein,
this
work
proposes
review
article
summarize
the
rational
design
research
progress
devices
bioelectronics.
This
first
introduces
strategies
assembly
mechanism
constructing
high‐performance
devices.
In
following
part,
are
systematically
classified
discussed,
including
sensors,
piezoelectric
nanogenerators,
electrodes,
semiconductors.
Finally,
remaining
challenges
future
perspectives
bioelectronic
presented.
believes
will
provide
inspiration
guidance
development
innovative
smart
field
Energy & Environmental Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
The
unique
electron/ion
dual
regulation
mechanism
is
established
in
the
well-designed
hydrogel
electrolyte
by
integrating
polyacrylamide
network
and
carboxylated
multi-walled
carbon
nanotubes
for
high
performance
flexible
ZIBs.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 1, 2024
Abstract
In
recent
years,
aqueous
zinc
ion
batteries
(ZIBs)
with
ultra‐high
safety
and
environmental
friendliness
have
emerged
as
a
promising
candidates
for
energy
storage
conversion
devices.
However,
the
severe
side
reactions
dendrites
issues
discourage
practical
application
of
ZIBs.
Recently,
biopolymer‐based
gel
electrolytes
disclosed
large
potential
in
tackling
these
challenges
ZIBs,
numerous
advancements
reported.
Their
advantages
lie
suppressing
including
hydrogen
evolution
Zn
metal
anode
corrosion,
well
inhibiting
growth
dendrites.
This
review
comprehensively
examines
classification,
structures
properties
electrolytes,
focus
on
hydrogel
derived
from
various
natural
macromolecular
biopolymers,
along
brief
discussion
non‐hydrogel
using
ionic
liquids
or
organic
solutions
solvents.
Subsequently,
preparation
physical
chemical
methods
are
summarized.
Furthermore,
applications
ZIBs
diverse
cathodes
materials
introduced.
Finally,
it
highlights
benefits
excellent
electrochemical
performance
outlining
their
prospects
next
generation
proposing
future
perspectives.
Abstract
Aqueous
Zn‐metal
batteries
(AZBs)
are
thought
as
highly
prospective
candidates
for
large‐scale
energy‐storage
systems
because
of
their
abundant
natural
resources,
low
cost,
high
safety,
and
environmentally
friendly.
Nevertheless,
the
key
problems
AZBs
uncontrollable
zinc
dendrites
growth
water‐induced
erosion
faced
by
anodes.
Therefore,
reducing
hydrophilicity
anode
introducing
zincophilic
sites
availably
strategy.
Herein,
3D
highly‐conductive
host
is
developed
to
inhibit
Zn
growth,
which
have
a
porous
structure
consisting
graphene
carbon
nanotubes
embedded
with
nucleation
Prussian
blue
analogs
(ZnHCF@3D‐GC).
The
inner
ZnHCF
possess
minimized
barriers,
can
serve
favorable
sites,
provide
buffer
interspace
allow
even
more
high‐capacity
plating.
Additionally,
density
functional
theory
results
show
that
exhibits
strong
binding
energy
adsorption
(002)
plane,
guide
horizontal
deposition
in
host.
As
result,
assembled
symmetrical
cell
able
stabilize
900
cycles
at
an
ultrahigh
current
100
mA
cm
−2
.
Zn‐ZnHCF@3D‐GC//MnO
2
Zn‐ZnHCF@3D‐GC//ZnHCF
full
cells
be
stably
cycled
1000
2.0
A
g
−1
