Sodium
metal,
benefiting
from
its
high
theoretical
capacity
and
natural
abundance,
is
regarded
as
a
promising
anode
for
sodium‐metal
batteries
(SMBs).
Unfortunately,
the
uncontrollable
sodium
dendrites
formation
caused
sluggish
ion‐transport
kinetics
fragile
solid
electrolyte
interphase
(SEI)
interlayer
induces
low
Coulombic
efficiency
poor
cycling
stability.
Constructing
an
artificial
SEI
with
ionic
conductivity,
stability,
mechanical
toughness
effective
strategy
Na‐metal
anode,
yet
it
still
presents
major
challenge
current
density
long
life.
Herein,
composed
of
Na–Sn
alloy,
Sn,
Na
2
Te
(denoted
NST)
designed
via
in‐situ
conversion/alloying
reaction
tin
telluride
(SnTe)
Na.
Such
possesses
rapid
+
‐transport
Young's
modulus
(5.3
GPa),
benefitting
to
even
plating/stripping
suppressing
dendrite
growth.
Owing
these
merits,
symmetrical
Na/NST
cell
ultralong
cycle
life
span
over
1390
h
small
voltage
hysteresis
at
1
mA
cm
−2
mAh
.
And
3
V
(PO
4
)
(NVP)||Na/NST
full
exhibits
prolonged
1000
cycles
high‐capacity
retention
88%
5C.
provided
construct
high‐performance
SMBs.
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(6), С. 2684 - 2695
Опубликована: Янв. 1, 2023
A
zwitterionic
additive
(
l
-CN)
with
a
positively
charged
quaternary
ammonium
site
and
multifunctional
polar
groups
was
employed
to
achieve
ultralong-life
Zn-ion
batteries.
Advanced Energy Materials,
Год журнала:
2023,
Номер
13(22)
Опубликована: Апрель 25, 2023
Abstract
The
practical
application
of
aqueous
zinc
batteries
(AZBs)
is
significantly
limited
by
the
poor
reversibility
anodes,
including
rampant
dendrite
growth
and
severe
interfacial
side‐reactions.
Herein,
trace
hexamethylenetetramine
(HMTA)
additive
with
a
lone‐pair‐electron
containing
heterocycle
introduced
for
Zn
metal
anode
protection.
Specifically,
added
HMTA
can
change
solvated
structure
strong
interaction
ions,
preferentially
absorb
on
surface
to
in
situ
establish
an
unique
anode–molecule
interface.
Such
interface
not
only
shows
affinity
promote
dynamic
transmission
deposition
2+
ions
but
also
displays
role
suppressing
parasitic
reactions.
Consequently,
electrolyte
achieves
high
Coulombic
efficiency
99.75%,
delivers
remarkable
lifespan
over
4000
h
at
5
mA
cm
−2
1
mAh
Zn//Zn
symmetric
cell.
Even
under
deep
plating/stripping
condition
(5
),
it
still
run
almost
600
h.
Additionally,
Zn//V
2
O
full
cell
retains
capacity
retention
61.7%
after
cycles
A
g
−1
.
innovative
strategy
expected
be
immediate
benefit
design
low‐cost
AZBs
ultra‐long
lifespan.
JACS Au,
Год журнала:
2023,
Номер
3(8), С. 2107 - 2116
Опубликована: Июль 25, 2023
Zn-based
aqueous
batteries
(ZABs)
hold
great
promise
for
large-scale
energy
storage
applications
due
to
the
merits
of
intrinsic
safety
and
low
cost.
Nevertheless,
thorny
issues
metallic
Zn
anodes,
including
dendrite
growth
parasitic
side
reactions,
have
severely
limited
application
ZABs.
Despite
encouraging
improvements
stabilizing
anodes
through
surface
modification,
electrolyte
optimization,
structural
design,
fundamentally
addressing
inherent
thermodynamics
kinetics
obstacles
remains
crucial
in
realizing
reliable
ZABs
with
ultrahigh
efficiency,
capacity,
cyclability.
The
target
this
perspective
is
elucidate
prominent
status
metal
anode
electrochemistry
first
from
zincophilicity
zincophobicity.
Recent
progress
critically
appraised
key
issues,
special
emphasis
on
trade-off
between
zincophilic
zincophobic
electrochemistry.
Challenges
prospects
further
exploration
a
are
presented,
which
expected
boost
in-depth
research
practical
advanced
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(40)
Опубликована: Июнь 5, 2023
Abstract
The
Zn
metal
anode
is
subject
to
uncontrolled
dendrites
and
parasitic
reactions,
which
often
require
a
big
thickness
of
foil,
resulting
in
excess
capacity
extremely
low
utilization.
Here,
an
ultrathin
composite
(24
µm)
developed
with
protective
hydrophobic
layer
(covalent
(C
2
F
4
)
n
chains
F‐doped
carbonized
ingredient)
constructed
on
Cu
foil
(denoted
as
‐C@Cu)
host
by
one‐step
pyrolytic
evaporation
deposition.
repulsion
2+
makes
the
‐C@Cu
interface
possess
enhanced
adsorption
ability,
driving
more
charge
transfer
under
layer.
With
its
good
hydrophobicity,
this
prevents
H
O
from
damaging
plated
Zn.
Combined
semi‐ionic‐state
fluorine
zincophilic
site,
guides
uniform
dense
deposition
for
making
anode.
As
result,
electrode
exhibits
high
average
CE
99.6%
over
3000
cycles
at
mA
cm
−2
.
Benchmarked
against
commercial
20µm‐Zn
‐C@Cu@Zn
achieves
stability
(1200
h
1
),
only
100
foil.
When
paired
V
5
cathode,
full
cell
deliver
88%
retention
2500
cycles.
Nano-Micro Letters,
Год журнала:
2023,
Номер
16(1)
Опубликована: Ноя. 17, 2023
Based
on
the
attributes
of
nonflammability,
environmental
benignity,
and
cost-effectiveness
aqueous
electrolytes,
as
well
favorable
compatibility
zinc
metal
with
them,
ions
batteries
(AZIBs)
become
leading
energy
storage
candidate
to
meet
requirements
safety
low
cost.
Yet,
acting
a
double-edged
sword,
also
play
negative
role
by
directly
or
indirectly
causing
various
parasitic
reactions
at
anode
side.
These
include
hydrogen
evolution
reaction,
passivation,
dendrites,
resulting
in
poor
Coulombic
efficiency
short
lifespan
AZIBs.
A
comprehensive
review
electrolytes
chemistry,
mechanism
chemistry
reactions,
their
relationship
is
lacking.
Moreover,
understanding
strategies
for
suppressing
from
an
electrochemical
perspective
not
profound
enough.
In
this
review,
firstly,
anodes,
AZIBs
are
deeply
disclosed.
Subsequently,
enhancing
inherent
thermodynamic
stability
lowering
dynamics
Zn/electrolyte
interfaces
reviewed.
Lastly,
perspectives
future
development
direction
presented.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(14), С. 4819 - 4846
Опубликована: Янв. 1, 2024
This
review
provides
a
comprehensive
overview
detailing
the
advancements
in
desolvation
strategies
pertaining
to
aqueous
zinc-ion
batteries
(AZIBs)
performances,
addressing
applications
and
working
mechanisms
of
AZIBs.
Abstract
Zn‐ion
batteries
are
regarded
as
the
most
promising
for
next‐generation,
large‐scale
energy
storage
because
of
their
low
cost,
high
safety,
and
eco‐friendly
nature.
The
use
aqueous
electrolytes
results
in
poor
reversibility
leads
to
many
challenges
related
Zn
anode.
Electrolyte
additives
can
effectively
address
such
challenges,
including
dendrite
growth
corrosion.
This
review
provides
a
comprehensive
introduction
major
current
strategies
used
anode
protection.
In
particular,
an
in‐depth
fundamental
understanding
is
provided
various
functions
electrolyte
additives,
electrostatic
shielding,
adsorption,
situ
solid
interphase
formation,
enhancing
water
stability,
surface
texture
regulation.
Potential
future
research
directions
also
discussed.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Фев. 6, 2024
Hydrogen
evolution
reaction
(HER)
has
become
a
key
factor
affecting
the
cycling
stability
of
aqueous
Zn-ion
batteries,
while
corresponding
fundamental
issues
involving
HER
are
still
unclear.
Herein,
mechanisms
on
various
crystalline
surfaces
have
been
investigated
by
first-principle
calculations
based
density
functional
theory.
It
is
found
that
Volmer
step
rate-limiting
Zn
(002)
and
(100)
surfaces,
while,
rates
(101),
(102)
(103)
determined
Tafel
step.
Moreover,
correlation
between
activity
generalized
coordination
number
([Formula:
see
text])
at
revealed.
The
relatively
weaker
surface
can
be
attributed
to
higher
[Formula:
text]
atom.
atomically
uneven
shows
significantly
than
flat
as
atom
lowered.
proposed
descriptor
activity.
Tuning
would
vital
strategy
inhibit
anode
presented
theoretical
studies.
Furthermore,
this
work
provides
basis
for
in-depth
understanding
surface.
