Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 12, 2024
Abstract
The
application
of
aqueous
zinc‐ion
batteries
in
large‐scale
energy
storage
systems
is
significantly
limited
by
the
hydrogen
evolution
reaction
(HER).
Although
conventional
pH‐adjusting
additives
can
reduce
overpotential
HER,
it
imperative
to
simultaneously
modulate
composition
solid
electrolyte
interphase
(SEI)
and
electrical
double
layer
(EDL)
structure
enhance
utilization
zinc
metal.
This
research
develops
a
multifunctional
pH‐controlling
additive,
bis(2‐hydroxyethyl)amino‐tris(hydroxymethyl)methane
(BT).
First,
addition
BT
increases
pH
5.9,
which
within
its
effective
buffer
zone,
reduces
HER
potential
−1.107
V
versus
Ag/AgCl.
Second,
inhibitory
effect
on
be
further
enhanced
preferential
adsorption
molecules
containing
multiple
hydroxyl
functional
groups
anode,
leading
reduction
number
active
water
EDL.
Third,
participate
solvation
accomplish
reduction,
promotes
uniform
deposition
Zn
2+
ions
forming
nitrogen‐containing
SEI.
Ultimately,
symmetric
battery
accomplishes
2700
stable
cycles
BT‐3
electrolyte.
More
crucially,
corresponding
Zn//MnO
2
full
(1
A
g
−1
)
able
release
specific
capacity
117.2
mA
h
after
600
cycles.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 14, 2025
Abstract
Disordered
electrodeposition
of
Zn
2+
resulted
in
serious
dendrite
and
hydrogen
evolution
reactions,
greatly
decreasing
the
energy
efficiency
durability
aqueous
zinc
ion
batteries
(AZIBs).
Herein,
sodium
2‐mercaptoethanesulfonate
(MSN)
is
proposed
as
a
new
additive
to
achieve
induced
directional
on
(101)
crystal
surface
form
dense
uniform
metal
layer
via
cooperative
effect
sulfhydryl
sulfonic
acid
groups.
Different
from
reported
additives,
MSN
molecules
promote
rapid
formation
adsorption
layer,
which
accelerates
its
directed
migration
rate
orderly
nucleation
process,
achieving
eliminated
dendrites
overpotential,
far
superior
additives.
The
MSN‐introduced
Zn||Zn
symmetric
battery
displays
amazing
stably
cycled
for
more
than
3500
h
at
2
mA
cm
−2
@
mAh
,
over
1
000
even
under
harsh
conditions
(5
5
).
Furthermore,
Zn||δ‐MnO
coin
offers
high
capacity
201.5
g
−1
low
recession
1%
during
800
cycles
A
higher
that
blank
sample
(121.3
56.1%),
respectively,
fully
demonstrating
extraordinary
advantages
contributions
molecules.
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 24, 2025
Developing
a
functional
separator
is
an
important
strategy
to
improve
the
electrochemical
performance
of
Zn
anode
by
suppressing
dendrite
growth
and
parasitic
side
reactions,
thus
advancing
aqueous
zinc-ion
batteries.
Herein,
we
experimentally
realize
with
gradient-structure
based
on
CeF3
nanoparticles
functionalized
glass
fibers.
The
experimental
theoretical
results
confirmed
that
can
tailor
Zn2+
flux
restrain
SO42-
transport,
promoting
dense
deposition.
strong
interaction
between
H2O
separates
at
electrolyte/Zn
interface,
reactions.
Consequently,
Zn||Zn
this
achieves
excellent
cycling
stability
2500
h
1
mA
cm-2
mAh
1000
5
cm-2.
This
design
provides
distinctive
solution
for
development
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 8, 2025
The
longevity
of
aqueous
batteries
after
scaling
up
is
largely
restricted
by
metal
anodes
(Zn,
Al,
and
Mg).
Parasitic
reactions
uncontrolled
dendrites
dominate
failure
modes,
especially
at
high
current
densities.
To
fully
improve
its
reversibility,
tailored
surface
chemistry
well-designed
ion
transport
channels
are
simultaneously
demanded.
Here,
inspired
the
reticulated
structure
sea
urchin
shell,
an
aligned
porous
coating
assembled
from
graphene
oxide
sodium
alginate
anchored
on
zinc
anodes,
termed
a
unidirectional
sieve.
As
revealed
multiscale
modeling
tests,
this
biomimetic
layer
produces
area,
creating
low-tortuosity
that
greatly
enhance
kinetics
uniform
distribution
ions.
introduction
ion-conductive
natural
polymer
enables
well-tuned
hydration
selectivity,
alleviating
side
reactions.
With
structural-functional
integrity
design,
decorated
symmetrical
cell
presents
reversible
cycling
for
1600
h,
with
reduced
nucleation
potential
21
mV
Coulombic
efficiency.
Aided
Distribution
Relaxation
Time
tool,
different
electrochemical
processes
deconvoluted
to
understand
respective
mechanisms,
thereby
providing
referable
strategy
product
scaling.
In
end,
7Ah
Zn||VO2
pouch
demonstrates
stable
over
500
cycles
1
A·g-1,
capacity
retention
90%.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(43), P. 16012 - 16020
Published: Oct. 18, 2024
As
a
high-capacity
and
cost-effective
anode,
zinc
metal
is
garnering
significant
attention
for
aqueous
energy
storage
systems.
However,
it
suffers
from
serious
issues,
such
as
undesirable
side
reactions,
polyiodide
shuttle,
uncontrolled
Zn
dendrite
growth.
Herein,
an
innovative
solution
proposed
by
constructing
hybrid
artificial
interfacial
layer
on
anode
surfaces
to
protect
anodes.
Benefiting
the
compact
structure
negatively
charged
ionic
channels,
as-obtained
protective
can
not
only
promote
nucleation
accelerate
ion
migration,
thereby
resulting
in
remarkable
dendrite-free
highly
reversible
anodes,
but
also
serves
armor
suppress
reactions
avoiding
corrosion
of
Consequently,
both
assembled
symmetric
cells
deliver
prolonged
cycle
life.
The
work
offers
promising
avenue
achieving
ultrastable
anodes
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 13, 2024
Interfacial
pH
fluctuation
is
one
of
the
primary
reasons
for
issues
related
to
Zn
metal
anodes.
Herein,
polar
amphoteric
alanine,
as
a
multifunctional
electrolyte
additive,
designed
regulate
electric
double
layer
(EDL)
and
solvation
structure.
Alanine
with
self-adaptation
capability
can
stabilize
pH.
Due
more
negative
adsorption
energy,
alanine
preferentially
adsorbs
on
surface
repels
water
molecules
within
EDL.
Alanine-enriched
EDL
effectively
shields
tips,
homogenizes
interfacial
field
distribution,
promotes
preferential
deposition
horizontal
flaky
Zn.
limits
contact
between
anode.
additive
decreases
quantity
in
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 12, 2024
Abstract
The
application
of
aqueous
zinc‐ion
batteries
in
large‐scale
energy
storage
systems
is
significantly
limited
by
the
hydrogen
evolution
reaction
(HER).
Although
conventional
pH‐adjusting
additives
can
reduce
overpotential
HER,
it
imperative
to
simultaneously
modulate
composition
solid
electrolyte
interphase
(SEI)
and
electrical
double
layer
(EDL)
structure
enhance
utilization
zinc
metal.
This
research
develops
a
multifunctional
pH‐controlling
additive,
bis(2‐hydroxyethyl)amino‐tris(hydroxymethyl)methane
(BT).
First,
addition
BT
increases
pH
5.9,
which
within
its
effective
buffer
zone,
reduces
HER
potential
−1.107
V
versus
Ag/AgCl.
Second,
inhibitory
effect
on
be
further
enhanced
preferential
adsorption
molecules
containing
multiple
hydroxyl
functional
groups
anode,
leading
reduction
number
active
water
EDL.
Third,
participate
solvation
accomplish
reduction,
promotes
uniform
deposition
Zn
2+
ions
forming
nitrogen‐containing
SEI.
Ultimately,
symmetric
battery
accomplishes
2700
stable
cycles
BT‐3
electrolyte.
More
crucially,
corresponding
Zn//MnO
2
full
(1
A
g
−1
)
able
release
specific
capacity
117.2
mA
h
after
600
cycles.
