Nano-Micro Letters,
Год журнала:
2023,
Номер
15(1)
Опубликована: Апрель 15, 2023
Sodium-based
dual-ion
batteries
(SDIBs)
have
gained
tremendous
attention
due
to
their
virtues
of
high
operating
voltage
and
low
cost,
yet
it
remains
a
tough
challenge
for
the
development
ideal
anode
material
SDIBs
featuring
with
kinetics
long
durability.
Herein,
we
report
design
fabrication
N-doped
carbon
film-modified
niobium
sulfur–selenium
(NbSSe/NC)
nanosheets
architecture,
which
holds
favorable
merits
Na+
storage
enlarged
interlayer
space,
improved
electrical
conductivity,
as
well
enhanced
reaction
reversibility,
endowing
capacity,
high-rate
capability
cycling
stability.
The
combined
electrochemical
studies
density
functional
theory
calculation
reveal
that
enriched
defects
in
such
architecture
can
benefit
facilitating
charge
transfer
adsorption
speed
kinetics.
NbSSe/NC
composites
are
studied
full
by
pairing
expanded
graphite
cathode,
shows
an
impressively
cyclic
durability
negligible
capacity
attenuation
over
1000
cycles
at
0.5
A
g−1,
outstanding
energy
230.6
Wh
kg−1
based
on
total
mass
cathode.
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(6), С. 2398 - 2431
Опубликована: Янв. 1, 2023
This
is
a
systematic
overview
focusing
on
recent
developments,
energy
storage
mechanisms,
and
design
improvement
strategies
for
aqueous
Zn-organic
batteries.
ACS Energy Letters,
Год журнала:
2023,
Номер
8(8), С. 3258 - 3268
Опубликована: Июль 10, 2023
The
unstable
Zn
interface
caused
by
undesired
dendrites
and
parasitic
side
reactions
greatly
impedes
the
deployment
of
aqueous
metal
batteries.
Herein,
an
efficient
adsorptive
additive
strategy
is
proposed
to
reshape
electric
double
layer
regulate
interfacial
chemistry.
2-Hydroxy-4′-(2-hydroxyethoxy)-2-methylpropiophenone
(Irgacure
2959)
was
selected
owing
its
strong
adsorption
ability,
intermolecular
hydrogen
bonding,
exposed
electronegative
carbonyl
group.
constructed
self-adaptive
adlayer
contributes
a
localized
H2O,
SO42–-poor
environment
horizontal
alignment
deposits
along
(002)
plane,
thus
endowing
thermodynamically
stable
highly
reversible
electrochemistry.
As
result,
plating/stripping
3800
h
high
Coulombic
efficiency
99.8%
are
achieved.
Intriguingly
for
practical
application,
economical
(0.016
USD
L–1)
enables
discharge
output
500
cycles
in
Zn/VS2
cells
at
low
negative-to-positive
capacity
ratio
2.5
(cathode
mass
loading:
10.8
mg
cm–2),
holding
great
promise
use
scalable,
low-cost,
rechargeable
battery.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(50)
Опубликована: Окт. 19, 2022
Abstract
Proton
insertion
chemistry
in
aqueous
zinc‐ion
batteries
(AZIBs)
is
becoming
a
research
hotspot
owing
to
its
fast
kinetics
and
additional
capacities.
However,
H
+
storage
mechanism
has
not
been
deciphered
the
popular
MoS
2
‐based
AZIBs.
Herein,
we
innovatively
prepared
/poly(3,4‐ethylenedioxythiophene)
(MoS
/PEDOT)
hybrid,
where
intercalated
PEDOT
only
increases
interlayer
spacing
(from
0.62
1.29
nm)
electronic
conductivity
of
,
but
also
activates
proton
chemistry.
Thus,
highly
efficient
reversible
/Zn
2+
co‐insertion/extraction
behaviors
are
demonstrated
for
first
time
Zn‐MoS
batteries.
More
intriguingly,
co‐inserted
protons
can
act
as
lubricants
effectively
shield
electrostatic
interactions
between
/PEDOT
host
divalent
Zn
enabling
accelerated
ion‐diffusion
exceptional
rate
performance.
This
work
proposes
new
concept
“proton
lubricant”
driving
transport
broadens
horizons
Advanced Energy Materials,
Год журнала:
2023,
Номер
13(18)
Опубликована: Март 22, 2023
Abstract
Layered
V
2
O
5
is
a
star
cathode
material
of
rechargeable
aqueous
zinc‐based
batteries
(RAZBs)
owing
to
the
rich
redox
chemistry
vanadium,
which
commonly
exhibits
2D
ion‐diffusion
mechanism
through
Zn
2+
(de)intercalation
at
edge
sites
but
plagued
by
inert
basal
planes.
Here,
hierarchically
porous
nanosheets
vertically
grown
on
carbon
cloth
(V
/C)
are
innovatively
prepared,
where
structure
with
lattice
defects
successfully
unlocks
plane
provide
additional
channels
and
abundant
active
sites.
Thus,
highly
efficient
ultrafast
3D
Li
+
/Zn
co‐insertion/extraction
behaviors
along
both
c
‐axis
ab
realized
for
first
time
in
formulated
15
m
LiTFSI
1
Zn(CF
3
SO
)
electrolyte,
as
elucidated
systematic
ex
situ
analyses,
multiple
electrochemical
measurements,
theoretical
computations.
As
result,
/C
electrode
delivers
an
exceptional
high‐rate
capability
(up
100
A
g
−1
ultralong
cycling
durability
(15
000
cycles)
RAZBs.
Finally,
quasi‐solid‐state
wearable
zinc
employing
demonstrate
respectable
performance
even
under
severe
deformations
low
temperatures.
This
work
achieves
conceptual
breakthrough
represented
upgrading
traditional
ion
transportation
layered
cathodes
more
facile
diffusion
designing
high‐performance
battery
electrochemistry.
Advanced Materials,
Год журнала:
2023,
Номер
35(49)
Опубликована: Авг. 2, 2023
Abstract
Aqueous
zinc
batteries
have
emerged
as
promising
energy
storage
devices;
however,
severe
parasitic
reactions
lead
to
the
exacerbated
production
of
Zn
dendrites
that
decrease
utilization
rate
anodes.
Decreasing
electrolyte
content
and
regulating
water
activity
are
efficient
means
address
these
issues.
Herein,
this
work
shows
limiting
aqueous
bonding
bacterial
cellulose
(BC)
can
suppress
side
regulate
stable
plating/stripping.
This
approach
makes
it
possible
use
less
limited
foil.
A
symmetric
cell
assembles
with
hydrogel
(electrolyte‐to‐capacity
ratio
E/C
=
1.0
g
(Ah)
−1
)
cycled
stably
at
a
current
density
6.5
mA
cm
−2
achieved
capacity
h
depth
discharge
85%.
Full
cells
BC
delivers
212
retention
83%
after
1000
cycles
5
.
offers
new
fundamental
insights
into
effect
restricting
reshape
plating/stripping
process
provides
route
for
designing
novel
electrolytes
better
stabilize
efficiently
utilize
Advanced Materials,
Год журнала:
2024,
Номер
36(25)
Опубликована: Март 16, 2024
Tunnel-type
vanadium
oxides
are
promising
cathodes
for
aqueous
zinc
ion
batteries.
However,
unlike
layer-type
with
adjustable
layer
distances,
enhancing
ion-transport
kinetics
in
tunnels
characterized
by
fixed
sizes
poses
a
considerable
challenge.
This
study
highlights
that
the
macroscopic
arrangement
of
electrode
crucially
determines
tunnel
orientation,
thereby
influencing
transport.
By
changing
material
morphology,
orientation
can
be
optimized
to
facilitate
rapid
diffusion.
In
proof-of-concept
demonstration,
it
is
revealed
(00l)
facets-dominated
VO
Aqueous
zinc
ion
batteries
have
gained
research
attention
as
a
safer,
economical
and
more
environmentally
friendly
alternative
to
lithium-ion
batteries.
Similar
lithium
batteries,
intercalation
processes
play
an
important
role
in
the
charge
storage
behaviour
of
aqueous
with
pre-intercalation
guest
species
cathode
being
also
employed
strategy
improve
battery
performance.
In
view
this,
proving
hypothesized
mechanisms
intercalation,
well
rigorously
characterizing
is
crucial
achieve
advances
This
review
aims
evaluate
range
techniques
commonly
used
characterize
cathodes,
providing
perspective
on
approaches
that
can
be
utilized
understand
such
processes.
