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:
34(32)
Published: April 12, 2024
Abstract
Biomimetic
electronic
skins
(e‐skins)
are
widely
used
in
wearables,
smart
prosthesis
and
soft
robotics.
However,
multimodal
e‐skins,
especially
those
based
on
hydrogels,
face
multiple
challenges
for
practical
applications,
involving
multi‐sensing
signal
mutual
interference,
low
breathability
stretchability.
Here,
a
breathable
stretchable
e‐skin
with
multilayer
film
microstructure
is
developed
to
achieve
self‐calibrated
sensing
of
any
two
three
stimuli:
strain,
temperature,
humidity,
minimal
crosstalk.
Hydrogel
fibers
different
shapes
designed
strain
temperature
modules,
the
hydrogel
as
humidity
module.
The
exhibits
impressive
performance,
including
detection
limit
(0.03%),
linearity
(R
2
=
0.990),
high‐temperature
sensitivity
(1.77%/°C),
wide
range
(33–98%
RH).
Interestingly,
due
directional
anisotropy
shaped
fibers,
realizes
directions.
By
introducing
porous
elastomer
encapsulation
membranes,
wearing
comfort
attained,
while
high
stretchability
(100%
strain)
maintained.
Furthermore,
personalized
human‐machine
interaction
system
created
by
integrating
wireless
circuit
realize
real‐time
gesture
recognition,
physiological
signals
monitoring,
prosthesis.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 6, 2025
Abstract
Flexible
wearable
sensors
with
bimodal
functionality
offer
substantial
value
for
human
health
monitoring,
as
relying
on
a
single
indicator
is
insufficient
capturing
comprehensive
physiological
information.
However,
face
multiple
challenges
in
practical
applications,
including
mutual
interference
between
various
modalities,
and
integration
of
excellent
mechanical
properties,
interfacial
adhesion,
environmental
adaptability
biocompatibility.
Herein,
the
multifunctional
hydrogel,
synthesized
through
radical
grafting
supramolecular
self‐crosslinking
reactions,
exhibits
thermal
sensitivity
(TCR
=
−1.70%
°C
−1
),
high
toughness
(9.31
MJ
m
−
3
wide
strain
range
(0–600%),
outstanding
adhesion
strength
(36.07
kPa),
antifreeze,
visualization,
water
retention,
biocompatibility,
antibacterial
antioxidant
capabilities.
Leveraging
its
conductivity,
this
hydrogel
can
be
applied
electroluminescent,
triboelectricity,
electromyography
message
encryption.
Moreover,
fabricated
smart
temperature
monitoring.
To
avoid
two
signals,
system
“IS”‐shaped
configuration
innovatively
designed
based
finite
element
simulation
results.
The
flexible
circuit
modules,
data
transmission
form
closed‐loop
platform
rehabilitation
training
patients
arthritis
or
joint
surgery.
This
strategy
establishes
decoupling
self‐calibrating
utilizing
material
to
accurately
detect
parameters,
advancing
electronics
personalized
medicine.
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(6), P. 3166 - 3172
Published: Jan. 1, 2024
Transition
metal-based
carbon
catalysts
are
a
promising
class
of
electrocatalysts
to
enhance
the
efficiency
energy
conversion
and
storage
devices.
However,
it
remains
challenging
task
develop
multi-metal
alloy
catalysts.
Herein,
ternary
FeCoNi
nanoparticles
(NPs)
confined
in
nitrogen-doped
(NC)
were
fabricated
via
facile
movable-type
printing
method,
where
range
transition
metals
NC
was
prepared
using
same
technique
except
for
adjustment
metal
precursors.
Due
unique
electronic
structure
significant
active
sites
medium-entropy
alloy,
FeCoNi-NC
demonstrated
highly
efficient
bifunctional
electrocatalytic
activities
oxygen
reduction
(E1/2
=
0.838
V)
evolution
(Eoverpotential
330
mV,
10
mA
cm-2)
reactions,
which
comparable
those
Pt/C
RuO2.
Moreover,
FeCoNi-NC-based
liquid
rechargeable
ZABs
displayed
substantial
power
density
231.2
mW
cm-2,
homemade
flexible
also
exhibited
outstanding
activity
cycling
durability.
Thus,
this
method
is
suitable
constructing
variety
multi-metal-based
air
batteries.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(17), P. 16966 - 16975
Published: Aug. 19, 2024
Sodium/potassium-ion
batteries
(SIBs/PIBs)
as
alternatives
complement
of
Li-ion
(LIBs)
exhibit
cost-effective,
appropriate
redox
potential,
and
high
energy
density.
Unfortunately,
the
large
volumetric
expansion
severe
pulverization
toward
anode
materials
SIBs/PIBs
during
charge/discharge
progress
limit
their
practical
implementations.
In
this
work,
selenium
doped
carbon
nanofibers
integrated
with
bismuth–antimony
alloy
nanocrystals
(denoted
BiSb-Se/CNFs)
have
been
fabricated
for
SIBs/PIBs.
The
hierarchical
nanofiber
frameworks
in
BiSb-Se/CNFs
composite
not
only
provide
sufficient
space
to
accommodate
Na/K
ions,
ensuring
structural
stability,
but
also
facilitate
rapid
electron
ion
transport,
enhancing
reaction
kinetic.
As
expected,
electrode
demonstrates
a
superior
sodium
storage
capacity
370
mAh
g–1
at
current
densities
0.5
A
after
650
cycles,
withstanding
long-term
cycling
2000
cycles
showing
remarkable
up
309
2
g–1.
Moreover,
an
impressive
potassium
performance
outstanding
reversible
stability
can
be
observed
over
electrode.
This
work
elucidates
design
alloy-type
electrodes
lifespan
both
SIBs
PIBs,
which
provides
inspiration
multiapplication
scenarios
anodes.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 26, 2024
Abstract
A
zinc
(Zn)
metal
anode
paired
with
a
vanadium
oxide
(VO
x
)
cathode
is
promising
system
for
aqueous
Zn–ion
batteries
(AZIBs);
however,
side
reactions
proliferating
on
the
Zn
surface
and
infinite
dissolution
of
VO
destabilise
battery
system.
Here,
we
introduce
multi‐functional
additive
into
ZnSO
4
(ZS)
electrolyte,
KAl(SO
2
(KASO),
to
synchronise
in
situ
construction
protective
layer
cathode.
Theoretical
calculations
synchrotron
radiation
have
verified
that
high‐valence
Al
3+
plays
dual
roles
competing
2+
solvation
forming
Zn−Al
alloy
homogeneous
electric
field
mitigate
dendrite
generation.
The
Al‐containing
cathode–electrolyte
interface
(CEI)
considerably
alleviates
irreversible
accumulation
byproducts.
Consequently,
Zn||Zn
cell
KASO
exhibits
an
ultra‐long
cycle
6000
h
at
mA
cm
−2
.
Importantly,
cathodes
,
V
O
5
NH
10
ZS−KASO
electrolyte
showed
excellent
cycling
stability,
including
powder||VO
cells
Zn||VO
pouch
cells.
Even
better,
full
stability
low
negative/positive
(N/P)
ratio
2.83
high
mass
loading
(~16
mg
).
This
study
offers
straightforward
practical
reference
concurrently
addressing
challenges
AZIBs.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 3, 2024
Abstract
To
address
the
issues
of
dendrite
growth
and
zinc
corrosion
in
rechargeable
zinc‐air
batteries,
multifunctional
glycine/valine
additives
are
introduced
into
electrolyte.
By
regulating
solvation
shell
structure
enhancing
interfacial
stability,
these
aim
to
protect
reversibility
stability
anode.
Glycine/valine
molecules
inhibit
formation
[Zn(H
2
O)
6
]
2+
Zn
5
(OH)
8
(OAc)
·2H
O
by‐products
at
interface
by
replacing
active
water
a
strong
alkaline
environment.
Additionally,
they
form
hydrophobic
electric
double
layer
on
metal
surface,
during
charge/discharge
process,
construct
an
situ
solid
electrolyte
layer.
This
further
suppresses
hydrogen
evolution
reaction
growth.
The
superior
long‐term
cycling
Zn||Zn
cells,
Zn||Cu,
full
cells
demonstrates
effectiveness
additives.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 28, 2024
Abstract
Aqueous
zinc
ion
batteries
(AZIBs)
have
garnered
significant
attention
due
to
their
advantages,
including
high
safety,
a
straightforward
manufacturing
process,
abundant
resource
availability,
and
theoretical
capacity.
Nevertheless,
the
industrial
application
of
AZIBs
is
impeded
by
undesirable
growth
dendrites
side
reactions
on
Zn
anode.
In
this
study,
[3‐(trimethoxysilyl)
propyl]
urea
(3TMS)
utilized
as
an
electrolyte
additive
develop
solid/electrolyte
interphase
(SEI)
film
surface
The
in
situ
formed
SEI
layer
not
only
prevents
form
direct
contact
anode
with
water
but
also
induces
preferential
deposition
along
(002)
crystal
plane,
suppressing
dendrite
growth.
These
synergistic
functions
enable
ultralong
cycle
life
over
6000
h
at
current
density
1
mA
cm
−2
areal
capacity
mAh
,
well
coulombic
efficiency
99.34%
after
750
cycles.
Moreover,
Zn//V
2
O
5
full
cells
3TMS
display
specific
114.4
g
−1
0.5
A
1000
This
work
provides
simple
yet
feasible
approach
stable
toward
high‐performance
AZIBs.
