Energy & environment materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 11, 2025
Nanodroplets
of
Gallium‐Based
Liquid
Metal
(LM)
have
applications
in
stretchable
electronics,
electrochemical
sensors,
energy
storage,
hyperthermia,
and
rapid
polymerization.
The
gallium
oxide
layer
around
LMNDs
prevents
aggregation.
However,
LM
nanodroplets
(LMNDs)
are
neither
mechanically
nor
chemically
stable.
ultrathin
ruptures
under
slight
pressure,
hindering
their
use
electronics.
shell
also
dissolves
slightly
acidic/alkaline
solutions,
making
them
unstable
for
storage
sensing.
We
demonstrate
the
synthesis
a
dry
powder
with
an
core
reduced
graphene
shell.
Graphene
provides
excellent
mechanical
chemical
stability
permits
electrical
conductivity.
Its
porous
structure
does
not
block
ion
exchange
between
droplets
environment,
allowing
to
be
used
resulting
EGaIn
powders
benefit
from
higher
surface
long‐term
stability,
addressing
LMND
limitations.
report
using
GO@EGaIn
nanocomposite
as
anode
alkali‐ion
batteries
novel
Ag‐EGaIn
cell
impressive
capacity.
combination
liquid
deformability
LMNDs,
area
nano
form,
expands
metals
electronics
storage.
Advanced Materials,
Journal Year:
2022,
Volume and Issue:
35(1)
Published: Aug. 29, 2022
Eutectic
gallium-indium
(EGaIn),
a
liquid
metal
with
melting
point
close
to
or
below
room
temperature,
has
attracted
extensive
attention
in
recent
years
due
its
excellent
properties
such
as
fluidity,
high
conductivity,
thermal
stretchability,
self-healing
capability,
biocompatibility,
and
recyclability.
These
features
of
EGaIn
can
be
adjusted
by
changing
the
experimental
condition,
various
composite
materials
extended
further
obtained
mixing
other
materials.
In
this
review,
not
only
are
unique
introduced,
but
also
working
principles
for
EGaIn-based
devices
illustrated
developments
EGaIn-related
techniques
summarized.
The
applications
fields,
flexible
electronics
(sensors,
antennas,
electronic
circuits),
molecular
(molecular
memory,
opto-electronic
switches,
reconfigurable
junctions),
energy
catalysis
(heat
management,
motors,
generators,
batteries),
biomedical
science
(drug
delivery,
tumor
therapy,
bioimaging
neural
interfaces)
reviewed.
Finally,
critical
discussion
main
challenges
development
discussed,
potential
new
fields
prospected.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
61(23)
Published: March 24, 2022
The
renewable
energy
driven
electrochemical
conversion
of
nitrates
to
ammonia
is
emerging
as
a
viable
route
for
the
creation
this
hydrogen
carrier.
However,
highly
efficient
electrocatalysts
that
show
prolonged
stability
an
ongoing
challenge.
Here
we
room
temperature
liquid
metal
Galinstan
can
be
used
and
stable
electrocatalyst
nitrate
achieving
rates
up
2335
μg
h-1
cm-2
with
Faradaic
efficiency
100
%.
Density
functional
theory
(DFT)
calculations
experimental
observation
indicated
activity
due
InSn
alloy
enrichment
within
occurs
during
electrocatalytic
reaction.
This
high
selectivity
NH3
also
additional
suppression
competing
evolution
reaction
at
identified
In3
Sn
active
site.
work
adds
increasing
applicability
metals
based
on
Ga
clean
technologies.
Journal of the American Chemical Society,
Journal Year:
2022,
Volume and Issue:
144(22), P. 10053 - 10063
Published: May 26, 2022
Liquid
metals
(LMs)
have
been
used
in
electrochemistry
since
the
19th
century,
but
it
is
only
recently
that
they
emerged
as
electrocatalysts
with
unique
properties,
such
inherent
resistance
to
coke
poisoning,
which
derives
from
dynamic
nature
of
their
surface.
The
use
LM
nanoparticles
(NPs)
highly
desirable
enhance
any
surface-related
phenomena.
However,
NPs
are
expected
rapidly
coalesce,
similarly
liquid
drops,
makes
implementation
electrocatalysis
hard
envision.
Herein,
we
demonstrate
Ga
(18
nm,
26
39
nm)
drive
electrochemical
CO2
reduction
reaction
(CO2RR)
while
remaining
well-separated
each
other.
CO
generated
a
maximum
faradaic
efficiency
around
30%
at
−0.7
VRHE,
similar
bulk
Ga.
combination
electrochemical,
microscopic,
and
spectroscopic
techniques,
including
operando
X-ray
absorption,
indicates
native
oxide
skin
still
present
during
CO2RR
provides
barrier
coalescence
operation.
This
discovery
an
avenue
for
future
development
Ga-based
new
class
electrocatalysts.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(31)
Published: Oct. 20, 2023
Abstract
This
review
summarizes
the
controllable
flow
and
manipulation
of
gallium‐based
liquid
metals
(e.g.,
eutectic
gallium
indium,
EGaIn).
There
are
generally
only
a
few
ways
to
handle
fluids,
but
offer
versatile
control
due
their
properties:
1)
excellent
fluidity,
2)
adjustable
surface
tension,
3)
electrically
chemically
oxides,
4)
metallic
electrical
thermal
conductivity,
5)
ability
alloy
with
other
magnetic
particles).
These
all‐in‐one
properties
empower
exhibit
in
confined
microchannels
(steerable
flow)
from
nozzles
(printable
flow),
make
susceptible
various
energy
fields,
including
electric,
magnetic,
electromagnetic,
wave,
light
fields.
Consequently,
enable
intriguing
morphological
changes
formation
droplets/plugs,
jets,
fibers)
motion
jumping,
bouncing,
directional
locomotion,
rotation)
new
fluidic
phenomena
practical
applications
such
as
soft
electronics
robotics.
aims
present
selective
framework
provide
an
insightful
understanding
for
controlling
shaping
metals,
thereby
stimulating
further
research
generating
increased
interest
this
topic.
Biosensors,
Journal Year:
2023,
Volume and Issue:
13(1), P. 84 - 84
Published: Jan. 3, 2023
Wearable
devices
are
receiving
growing
interest
in
modern
technologies
for
realizing
multiple
on-skin
purposes,
including
flexible
display,
e-textiles,
and,
most
importantly,
epidermal
healthcare.
A
'
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(31)
Published: Jan. 23, 2024
Abstract
Biosensors
are
analytical
tools
for
monitoring
various
parameters
related
to
living
organisms,
such
as
humans
and
plants.
Liquid
metals
(LMs)
have
emerged
a
promising
new
material
biosensing
applications
in
recent
years.
LMs
attractive
physical
chemical
properties
deformability,
high
thermal
electrical
conductivity,
low
volatility,
viscosity.
LM‐based
biosensors
represent
strategy
particularly
wearable
real‐time
sensing.
While
early
demonstrations
of
LM
focus
on
strain,
motion,
temperature,
examples
show
can
be
an
excellent
sensing
biochemical
biomolecular
detection
well.
In
this
review,
the
progress
personalized
healthcare
disease
via
both
signaling
is
survey.
It
started
with
brief
introduction
fundamentals
LMs,
followed
by
discussion
different
mechanisms
which
transduce
biological
or
physiological
signals.
Next,
it
reviewed
example
that
been
used
real
systems,
ranging
from
on‐skin
target‐specific
detection.
Finally,
challenges
future
directions
LM‐integrated
biosensor
platforms
discussed.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(40)
Published: April 27, 2024
Abstract
Liquid
metal
(LM)
bioelectronics
find
widespread
uses
in
healthcare
devices
and
medical
implants.
However,
the
current
LM‐based
electrodes
suffer
from
achieving
a
combination
of
features
including
stable
conductivity,
high
tissue
adhesion,
stability,
good
biocompatibility,
degradability,
recyclability.
In
this
work,
LM
electrode
is
prepared
with
an
extremely
adhesion
strength
(8.9
MPa),
which
tunable
wide
range
by
introducing
adhesive
ureidopyrimidinone
(UPy)‐based
polymer
to
harvest
abovementioned
properties.
With
help
dynamic
particle‐polymer
interactions
matrix,
LMs
can
not
only
enhance
properties
but
also
form
percolated
network
at
low
loading
(38
vol%)
achieve
conductance
stability
(R/R
0
=
0.76
100%
strain).
The
provides
highly
electrical
connection
rigid
components
stretchability
1154%
when
mounting
resistor,
while
relatively
makes
it
comfortable
wounded
skin‐interfaced
for
accelerating
wound
healing.
Taking
advantage
their
surface
as‐prepared
provide
more
reliable
friendly
approach
development
devices.
Deleted Journal,
Journal Year:
2022,
Volume and Issue:
2, P. e9120044 - e9120044
Published: Nov. 14, 2022
Electrochemical
CO2
reduction
reaction
(CO2RR)
is
a
promising
technology
for
mitigating
global
warming
and
storing
renewable
energy.
Designing
low-cost
efficient
electrocatalysts
with
high
selectivity
priority
to
facilitate
conversion.
Halide
ion
(F–,
Cl–,
Br–,
I–)
modified
potential
strategy
promote
suppress
the
competitive
hydrogen
evolution
(HER).
Therefore,
comprehensive
review
of
role
mechanism
halide
ions
in
CO2RR
process
can
help
better
guide
future
design
electrocatalysts.
In
this
review,
we
first
discuss
on
structure
morphology
Secondly,
relationship
between
valence
states
active
sites
catalyst
surface
further
elaborated
on.
Thirdly,
mechanisms
enhancing
conversion
efficiency
are
also
summarized,
including
involvement
electron
transfer
their
influence
pathway.
Finally,
conclude
summary
outlook.