Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 6, 2024
Abstract
The
unstable
electrolyte‐anode
interface,
plagued
by
parasitic
side
reactions
and
uncontrollable
dendrite
growth,
severely
hampers
the
practical
implementation
of
aqueous
zinc‐ion
batteries.
To
address
these
challenges,
we
developed
a
regenerated
cellulose‐based
artificial
interphase
with
synergistically
optimized
structure
surface
chemistry
on
Zn
anode
(RC@Zn),
using
facile
molecular
chain
rearrangement
strategy.
This
RC
features
drastically
increased
amorphous
region
more
exposed
active
hydroxyl
groups,
facilitating
rapid
2+
diffusion
homogeneous
interface
distribution,
thereby
enabling
dendrite‐free
deposition.
Additionally,
compact
texture
abundant
negatively
charged
effectively
shield
water
molecules
harmful
anions,
completely
preventing
H
2
evolution
corrosion.
superior
mechanical
strength
adhesion
also
accommodate
substantial
volume
changes
anodes
even
under
deep
cycling
conditions.
Consequently,
RC@Zn
electrode
demonstrates
an
outstanding
lifespan
over
8000
hours
at
high
current
density
10
mA
cm
−2
.
Significantly,
maintains
stable
90
%
depth
discharge
ensures
operation
full
cells
low
negative/positive
capacity
ratio
1.6.
study
provides
new
solution
to
construct
highly
metal
through
engineering.
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
Zinc‐ion
batteries
(ZIBs)
are
emerged
as
a
promising
alternative
for
sustainable
energy
storage,
offering
advantages
such
safety,
low
cost,
and
environmental
friendliness.
However,
conventional
aqueous
electrolytes
in
ZIBs
face
significant
challenges,
including
hydrogen
evolution
reaction
(HER)
zinc
dendrite
formation,
compromising
their
cycling
stability
safety.
These
limitations
necessitate
innovative
electrolyte
solutions
to
enhance
ZIB
performance
while
maintaining
sustainability.
This
review
explores
the
potential
of
natural
solvent‐based
derived
from
renewable
biodegradable
resources.
Natural
deep
eutectic
solvents
(DES),
bio‐ionic
liquids,
biomass‐derived
organic
compounds
present
unique
advantages,
wider
electrochemical
window,
reduced
HER
activity,
controlled
deposition.
Examples
include
DESs
based
on
choline
chloride
(ChCl),
glycerol‐based
systems,
γ‐valerolactone
(GVL)
aloe
vera,
demonstrating
improved
suppression.
Despite
promise,
challenges
high
viscosity,
scalability
remain
critical
barriers
commercialization.
underscores
need
further
research
optimize
solvent
formulations,
Zn
anode
compatibility,
integrate
these
systems
into
practical
applications.
By
addressing
can
pave
way
safer,
high‐performance,
environmentally
ZIBs,
particularly
large‐scale
storage
systems.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 6, 2024
The
unstable
electrolyte-anode
interface,
plagued
by
parasitic
side
reactions
and
uncontrollable
dendrite
growth,
severely
hampers
the
practical
implementation
of
aqueous
zinc-ion
batteries.
To
address
these
challenges,
we
developed
a
regenerated
cellulose-based
artificial
interphase
with
synergistically
optimized
structure
surface
chemistry
on
Zn
anode
(RC@Zn),
using
facile
molecular
chain
rearrangement
strategy.
This
RC
features
drastically
increased
amorphous
region
more
exposed
active
hydroxyl
groups,
facilitating
rapid
Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 19, 2024
Abstract
In
addressing
challenges
such
as
side
reaction
and
dendrite
formation,
electrolyte
modification
with
bio‐molecule
sugar
species
has
emerged
a
promising
avenue
for
Zn
anode
stabilization.
Nevertheless,
considering
the
structural
variability
of
sugar,
comprehensive
screening
strategy
is
meaningful
yet
remains
elusive.
Herein,
we
report
usage
additives
representative
bio‐molecules
to
develop
descriptor
based
on
modulation
hydrogen
bond
component
electron
transfer
kinetics.
It
found
that
xylo‐oligosaccharide
(Xos)
highest
H‐bond
acceptor
ratio
enables
efficient
water
binding,
affording
stable
Zn/electrolyte
interphase
alleviate
evolution.
Meanwhile,
sluggish
reduction
originated
from
steric
hindrance
Xos
contributes
optimized
deposition.
With
selected
additive
in
hand,
Zn||ZnVO
full
cells
demonstrate
durable
operation.
This
study
anticipated
provide
rational
guidance
selection
aqueous
batteries.
Batteries & Supercaps,
Год журнала:
2024,
Номер
7(11)
Опубликована: Май 21, 2024
Abstract
Aqueous
zinc‐ion
batteries
(ZIBs),
lauded
for
their
low
cost,
eco‐friendliness,
and
high
safety,
have
garnered
significant
attention.
However,
commercial
viability
is
hindered
by
the
challenges
of
dendrite
growth
side
reactions
during
Zn
2+
reduction
reaction
process.
Electrolyte
as
indispensable
component
has
a
close
relationship
with
issues
mentioned
above.
With
feature
simplicity,
effectiveness,
scalability,
regulating
electrolytes
particularly
promising,
feasible,
straightforward
approach
to
stabilizing
anode.
The
solvation
design
less
solvated
water,
interface
optimization
water‐poor
pH‐stable
interface,
kinetics
regulation
fast
transport,
uniform
flux,
orientational
can
contribute
deposition
restrained
corrosion.
This
review
encapsulates
cutting‐edge
advancements
in
stabilize
mechanisms
underlying
these
advancements,
encompassing
structure
design,
Zn‐electrolyte
optimization,
are
elucidated.
Finally,
this
paper
outlines
current
prospects
electrolyte
development
ZIBs,
providing
valuable
insights
future
endeavors
field.