Zinc
metal
is
an
attractive
anode
material
of
aqueous
batteries,
but
its
practical
use
persistently
hampered
by
irregular
zinc
electrodeposition/dissolution
and
parasitic
side
reactions.
Here
we
report
engineering
copper-zinc
alloy
with
a
composition-
structure-gradient
nanoporous
architecture
as
effective
strategy
to
regulate
high-efficiency
dendrite-free
for
high-performance
zinc-ion
batteries.
The
dual-gradient
electrodes
not
only
guarantee
electron
ion
transport
pathways
work
host
materials
abundant
zincophilic
sites
guide
nucleation
deposition,
enabling
highly
reversible
plating/stripping
behaviors
low
stable
voltage
polarizations
at
various
current
densities
ultralong
lifespan
>6700
h.
When
assembled
carbon
cloth-supported
ZnxV2O5
cathode
material,
these
outstanding
electrochemical
properties
allow
zinc-metal
battery
full
cells
show
exceptional
rate
capability
excellent
stability.
capacity
retained
∼95%
after
5000
cycles
5
A
g-1,
along
Coulombic
efficiency
∼99.5%.
National Science Review,
Год журнала:
2024,
Номер
11(7)
Опубликована: Май 25, 2024
ABSTRACT
High-voltage
aqueous
zinc
ion
batteries
(AZIBs)
with
a
high-safety
near-neutral
electrolyte
is
of
great
significance
for
practical
sustainable
application;
however,
they
suffer
from
anode
and
electrode/electrolyte
interfacial
incompatibility.
Herein,
conversion-type
chemistry
low
anodic
potential,
which
guided
by
the
Gibbs
free
energy
change
conversion
reaction,
was
designed
high-voltage
AZIBs.
A
reversible
reaction
between
ZnC2O4·2H2O
particles
three-dimensional
Zn
metal
networks
well-matched
in
CH3COOLi-based
revealed.
This
mechanism
can
be
universally
validated
battery
systems
sodium
or
iodine
ions.
More
importantly,
cathodic
crowded
micellar
water
confinement
effect
proposed
lies
core
stability
reversibility
cathode
under
an
operating
platform
voltage
beyond
2.0
V,
obtaining
capacity
retention
95%
after
100
cycles.
Remarkably,
scientific
technological
challenges
coin
cell
to
Ah-scale
battery,
sluggish
kinetics
solid-solid
electrode
excitation
high
loading
active
material,
preparation
complexities
associated
large-area
quasi-solid
electrolytes,
were
explored,
successfully
achieving
88%
more
than
20
mg
cm−2
particularly
1.1
Ah-level
pouch
cell.
work
provides
path
designing
low-cost,
eco-friendly
batteries.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Авг. 14, 2024
Zinc-ion
batteries
are
promising
for
large-scale
electrochemical
energy
storage
systems,
which
still
suffer
from
interfacial
issues,
e.g.,
hydrogen
evolution
side
reaction
(HER),
self-corrosion,
and
uncontrollable
dendritic
Zn
electrodeposition.
Although
the
regulation
of
electric
double
layer
(EDL)
has
been
verified
principle
to
select
additive
as
regulator
is
misted.
Here,
several
typical
amino
acids
with
different
characteristics
were
examined
reveal
behaviors
in
regulated
EDL
on
anode.
Negative
charged
acidic
polarity
(NCAP)
unveiled
guideline
selecting
reconstruct
an
inner
zincophilic
H
ACS Energy Letters,
Год журнала:
2024,
Номер
9(7), С. 3269 - 3289
Опубликована: Июнь 7, 2024
Zinc
metal
batteries
have
emerged
as
promising
candidates
for
next-generation
energy
storage
devices
due
to
their
high
capacities,
safety,
and
cost-effectiveness.
However,
the
implementation
of
Zn
anodes
(ZMAs)
faces
significant
challenges,
including
uncontrollable
dendrite
growth,
pronounced
corrosion,
notable
side
reactions.
To
address
these
issues,
extensive
research
efforts
are
underway,
focusing
on
tailored
structures,
compositions,
interfaces
ZMAs,
supported
by
multi-level
engineering
approaches.
Various
efficient
solutions
been
proposed
verified,
homogenizing
ion
flux/electric
field,
enriching
nucleation
site
number,
reducing
barriers,
providing
sufficient
space
deposition.
This
Review
provides
a
thorough
summary
recent
advancements
in
innovative
design
from
viewpoints
structural
interfacial
strategies.
Key
concepts
functional
mechanisms
resolving
aforementioned
issues
ZMAs
highlighted.
Furthermore,
remaining
challenges
discussed,
future
directions
also
identified.
Chemical Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 10, 2025
In
this
field
guide,
we
outline
empirical
and
theory-based
approaches
to
characterize
the
fundamental
properties
of
liquid
multivalent-ion
battery
electrolytes,
including
(i)
structure
chemistry,
(ii)
transport,
(iii)
electrochemical
properties.
When
detailed
molecular-scale
understanding
multivalent
electrolyte
behavior
is
insufficient
use
examples
from
well-studied
lithium-ion
electrolytes.
recognition
that
coupling
techniques
highly
effective,
but
often
nontrivial,
also
highlight
recent
characterization
efforts
uncover
a
more
comprehensive
nuanced
underlying
structures,
processes,
reactions
drive
performance
system-level
behavior.
We
hope
insights
these
discussions
will
guide
design
future
studies,
accelerate
development
next-generation
batteries
through
modeling
with
experiments,
help
avoid
pitfalls
ensure
reproducibility
results.
Abstract
Aqueous
zinc
metal
batteries
have
attracted
much
attention
in
the
field
of
large‐scale
energy
storage
due
to
their
abundant
resources,
high
safety,
low
cost,
and
theoretical
density.
However,
Zn
anodes
suffer
from
serious
problems
such
as
dendrite
growth,
hydrogen
evolution
reaction,
corrosion,
passivation.
Cu‐based
materials
a
wide
range
applications
excellent
zincophilicity.
Unfortunately,
relevant
review
on
anode
electrode
is
still
lacking.
This
focuses
progress,
issues,
optimization
strategies
anodes.
The
application
Cu
collectors
corresponding
modifications
are
also
highlighted.
Finally,
insights
future
directions
related
for
modified
presented
provide
scientific
guidance
research.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 13, 2024
Abstract
Elusive
ion
behaviors
in
aqueous
electrolyte
remain
a
challenge
to
break
through
the
practicality
of
zinc‐manganese
batteries
(AZMBs),
promising
candidate
for
safe
grid‐scale
energy
storage
systems.
The
proposed
strategies
this
issue
most
ignore
prominent
role
proton
conduction,
which
greatly
affects
operation
stability
AZMBs.
Here
we
report
water‐poor
quasi‐solid
with
efficient
transfer
pathways
based
on
large‐space
interlayer
montmorillonite
and
strong‐hydration
Pr
3+
additive
Proton
conduction
is
deeply
understood
electrolyte.
not
only
dominates
kinetics,
but
also
regulates
reversible
manganese
interfacial
deposition.
As
result,
Cu@Zn||α‐MnO
2
cell
could
achieve
high
specific
capacity
433
mAh
g
−1
at
0.4
mA
cm
−2
an
excellent
up
800
cycles
retention
92.2
%
0.8
such
first
time.
Ah‐scale
pouch
mass
loading
15.19
mg
sustains
100
after
initial
activation,
much
better
than
its
counterparts.
Our
work
provides
new
path
development
zinc
metal
good
sustainability
practicality.
