Batteries,
Год журнала:
2024,
Номер
10(5), С. 166 - 166
Опубликована: Май 19, 2024
Metallic
zinc
(Zn)
presents
a
compelling
alternative
to
conventional
electrochemical
energy
storage
systems
due
its
environmentally
friendly
nature,
abundant
availability,
high
water
compatibility,
low
toxicity,
potential
(−0.762
V
vs.
SHE),
and
cost-effectiveness.
While
considerable
efforts
have
been
devoted
enhancing
the
physical
chemical
properties
of
zinc-ion
battery
materials
improve
efficiency
longevity,
research
on
multi-physics
coupled
modeling
for
deeper
understanding
performance
remains
relatively
scarce.
In
this
study,
we
established
comprehensive
two-dimensional
model
single-flow
zinc–nickel
redox
batteries
investigate
electrode
reactions,
current-potential
behaviors,
concentration
distributions,
leveraging
theories
such
as
Nernst–Planck
Butler–Volmer.
Additionally,
explored
distribution
velocity
field
using
Brinkman
theory
in
porous
media
Navier–Stokes
equations
free-flow
channels.
The
validated
model,
informed
by
experimental
data,
not
only
provides
insights
into
battery,
but
also
offers
valuable
recommendations
advancing
technology.
Our
findings
offer
promising
avenues
design
flow
batteries,
applicable
other
designs.
ACS Applied Energy Materials,
Год журнала:
2024,
Номер
7(3), С. 1060 - 1067
Опубликована: Янв. 31, 2024
Metallic
zinc
is
a
highly
promising
candidate
for
an
anode
material
in
hybrid
supercapacitors
because
of
its
exceptional
characteristics.
However,
anodes
are
prone
to
rapid
performance
deterioration
due
the
extensive
growth
Zn
dendrites
and
occurrence
unfavorable
side
reactions.
Herein,
ammonium
acetate
(NH4OAc)
was
introduced
as
dual-functional
additive
address
these
problems
bromine
supercapacitor;
thanks
"shielding
effect"
"pH
buffer
effect",
displayed
high
Coulombic
efficiency
(CE)
99.2%,
Zn//Zn
symmetric
cell
cycled
long
time
over
380
h
at
0.5
mA
cm–2.
The
assembled
Zn//Br
supercapacitor
achieves
energy
density
62.9
Wh
kg–1
even
under
power
27,600
W
kg–1;
furthermore,
it
demonstrates
stability
25,000
cycles.
Communications Chemistry,
Год журнала:
2025,
Номер
8(1)
Опубликована: Янв. 24, 2025
Aqueous
Zn
batteries
are
gaining
increasing
research
attention
in
the
energy
storage
area
due
to
their
intrinsic
safety,
potentially
low
cost
and
environmental
friendliness;
however,
zinc
dendrite
formation,
corrosion,
passivation
hydrogen
evolution
reaction
induced
by
water
at
anode
side,
materials
dissolution
as
well
poor
kinetics
cathode
side
aqueous
systems,
seriously
shorten
cycling
life
decrease
density
of
greatly
hinder
development.
Recent
advancements
asymmetric
electrolytes
with
various
functions
promising
overcome
such
challenges
for
same
time.
It
has
been
proved
that
applications
show
significant
contributions
field
zinc-based
suppressing
reactions
while
maintaining
electrochemical
performance
satisfy
both
cathode.
Therefore,
this
perspective
summarizes
recent
electrolytes'
design
outlines
opportunities
future
challenges,
expecting
continued
area.
great
interest
thanks
cost,
eco-friendliness,
but
undesirable
chemical
on
sides
significantly
life.
Here,
authors
discuss
promise
performance.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 25, 2025
Abstract
Aqueous
Zn‐ion
batteries
(AZIBs)
have
gained
significant
interest
in
energy
storage
field
due
to
their
inherent
advantages.
However,
issues
such
as
dendrite
growth
and
hydrogen
evolution
reaction
pertaining
Zn
anodes
severely
impede
practical
deployment.
To
mitigate
these
challenges,
a
wide
range
of
strategies
been
proposed,
among
which
situ
thermal
treatment
techniques
play
pivotal
role.
Thermal
process
can
improve
the
reversibility
by
modifying
current
collector,
foil,
separator,
well
constructing
interfacial
layers.
Despite
rapid
advancements
methodologies
toward
high‐performance
anodes,
comprehensive
understanding
systematic
summary
approaches
remains
lacking.
This
review
elaborates
on
progress
cutting‐edge
strategies,
categorized
into
five
aspects
battery
components:
collector
design,
substrate
optimization,
layer
formation,
bulk‐phase
reconstruction,
separator
modification.
Additionally,
underlying
mechanisms
challenges
each
strategy
are
discussed
thoroughly
an
attempt
deepen
mechanistic
understanding.
Finally,
potential
research
directions
prospected,
including
procedure
development,
material
screening,
solid
electrolyte,
integrated
strategy,
with
goal
achieving
highly
reversible
via
treatment.
