Abstract
Liquid
metal
(LM)
alloys
like
eutectic
gallium-indium
(EGaIn)
are
becoming
increasingly
popular
as
conductive
materials
for
creating
electronics
that
mechanically
compliant
and
highly
stretchable.
When
incorporated
microfluidic
channels,
printed
traces,
or
a
percolating
network
of
droplets
within
soft
elastomeric
substrate,
liquid
can
function
deformable
circuit
interconnects
maintain
electrical
connectivity
under
extreme
bending
tensile
loading.
In
this
chapter,
I
will
review
current
approaches
to
using
EGaIn
other
gallium-based
LM
in
stretchable
electronics.
This
include
discussion
the
relevant
fabrication
methods
design
principles
LM-based
circuits
sensors.
For
certain
material
architectures,
also
discuss
mechanics
inclusions
surrounding
elastic
matrix
how
these
influence
device-level
operation.
chapter
close
with
brief
overview
open
challenges
modeling
As
part
this,
provide
perspective
on
outlook
field
propose
potential
directions
future
theoretical
examination.
Advanced Materials,
Год журнала:
2024,
Номер
36(31)
Опубликована: Май 17, 2024
Abstract
Electronic
skin
(e‐skin),
a
skin‐like
wearable
electronic
device,
holds
great
promise
in
the
fields
of
telemedicine
and
personalized
healthcare
because
its
good
flexibility,
biocompatibility,
conformability,
sensing
performance.
E‐skin
can
monitor
various
health
indicators
human
body
real
time
over
long
term,
including
physical
(exercise,
respiration,
blood
pressure,
etc.)
chemical
(saliva,
sweat,
urine,
etc.).
In
recent
years,
development
materials,
analysis,
manufacturing
technologies
has
promoted
significant
e‐skin,
laying
foundation
for
application
next‐generation
medical
devices.
Herein,
properties
required
e‐skin
monitoring
devices
to
achieve
long‐term
precise
summarize
several
detectable
field
are
discussed.
Subsequently,
applications
integrated
systems
reviewed.
Finally,
current
challenges
future
directions
this
This
review
is
expected
generate
interest
inspiration
improvement
systems.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 21, 2024
Lignocellulose-mediated
liquid
metal
(LM)
composites,
as
emerging
functional
materials,
show
tremendous
potential
for
a
variety
of
applications.
The
abundant
hydroxyl,
carboxyl,
and
other
polar
groups
in
lignocellulose
facilitate
the
formation
strong
chemical
bonds
with
LM
surfaces,
enhancing
wettability
adhesion
improved
interface
compatibility.
Beyond
serving
supportive
matrix,
can
be
tailored
to
optimize
microstructure
adapting
them
diverse
This
review
comprehensively
summarizes
fundamental
principles
recent
advancements
lignocellulose-mediated
highlighting
advantages
composite
fabrication,
including
facile
synthesis,
versatile
interactions,
inherent
functionalities.
Key
modulation
strategies
LMs
innovative
synthesis
methods
functionalized
composites
are
discussed.
Furthermore,
roles
structure-performance
relationships
these
electromagnetic
shielding,
flexible
sensors,
energy
storage
devices
systematically
summarized.
Finally,
obstacles
prospective
pertaining
thoroughly
scrutinized
deliberated
upon.
is
expected
provide
basic
guidance
researchers
boost
popularity
applications
useful
references
design
state-of-the-art
LMs.
Advanced Functional Materials,
Год журнала:
2023,
Номер
34(31)
Опубликована: Дек. 3, 2023
Abstract
Smart
healthcare
solutions
are
crucial
for
early
diagnosis,
real‐time
health
monitoring,
and
personalized
therapy.
Essential
to
these
advancements
flexible
wearable
devices
medical
robotics,
which
incorporate
a
range
of
elements,
including
soft
sensors,
therapeutic
modules,
human‐machine
interfaces,
actuators,
systems
communication,
computation,
power.
Liquid
metal‐based
materials
rapidly
emerging
as
one
the
key
elements
innovations.
This
review
will
delve
into
latest
breakthroughs
in
liquid
metal
(LM)
functionalization
innovation
applications
healthcare‐related
wearables
robotics.
Firstly,
techniques
modify
LM
explored,
emphasizing
strategies
enhance
properties
such
electromechanical,
thermal,
electromagnetic,
biochemical,
self‐healing,
magnetic
capabilities.
Next,
authors
shed
light
on
contemporary
on‐skin
devices,
other
device
They
finally
conclude
by
highlighting
challenges
charting
path
forward
LM‐driven
advances.
Abstract
Phase
change
materials
that
can
absorb
or
release
large
amounts
of
heat
during
phase
transition,
play
a
critical
role
in
many
important
processes,
including
dissipation,
thermal
energy
storage,
and
solar
utilization.
In
general,
are
usually
encapsulated
passive
modules
to
provide
assurance
for
management.
The
shape
mechanical
changes
these
greatly
ignored.
An
emerging
class
materials,
liquid
metals
(LMs)
have
attracted
significant
interest
beyond
management,
transformable
robots,
flexible
electronics,
soft
actuators,
biomedicine.
Interestingly,
the
melting
point
LM
is
highly
tunable
around
body
temperature,
allowing
it
experience
considerable
stiffness
when
interacting
with
human
organisms
solid–liquid
change,
which
brings
about
novel
phenomena,
applied
technologies,
therapeutic
methods,
such
as
destruction
tumors,
neural
electrode
implantation
technique,
embolization
therapy.
This
review
focuses
on
technology,
regulation,
application
process
along
diverse
facilitate
biomedical
applications
based
influences
versatile
regulation
strategies.
Typical
will
also
be
categorized
summarized.
Lastly,
advantages
challenges
using
unique
reversible
biomedicine
discussed.
National Science Review,
Год журнала:
2023,
Номер
11(2)
Опубликована: Ноя. 29, 2023
ABSTRACT
Until
now,
significant
healthcare
challenges
and
growing
urgent
clinical
requirements
remain
incompletely
addressed
by
presently
available
biomedical
materials.
This
is
due
to
their
inadequate
mechanical
compatibility,
suboptimal
physical
chemical
properties,
susceptibility
immune
rejection,
concerns
about
long-term
biological
safety.
As
an
alternative,
liquid
metal
(LM)
opens
up
a
promising
class
of
biomaterials
with
unique
advantages
like
biocompatibility,
flexibility,
excellent
electrical
conductivity,
ease
functionalization.
However,
despite
the
successful
explorations
LM
in
fields,
widespread
translations
applications
LM-based
medical
products
limited.
article
summarizes
current
status
future
prospects
biomaterials,
interprets
healthcare,
imaging,
bone
repair,
nerve
interface,
tumor
therapy,
etc.
Opportunities
translate
materials
into
medicine
obstacles
encountered
practices
are
discussed.
Following
that,
we
outline
blueprint
for
clinics,
emphasizing
potential
making
new-generation
artificial
organs.
Last,
core
translation,
including
bio-safety,
material
stability,
ethical
also
Overall,
progress,
translational
bottlenecks,
perspectives
signify
immense
drive
breakthroughs
thus
open
novel
avenues
upcoming
practices.
Abstract
Gallium‐based
liquid
metal
(LM)
has
attracted
great
attention
for
constructing
flexible
electronic
devices
due
to
its
excellent
deformability
and
electrical
conductivity.
However,
large
surface
tension
makes
it
difficult
be
uniformly
dispersed
in
polymers,
which
severely
limits
wide
applications.
Hence,
a
surfactant‐free
approach
is
proposed
prepare
stable
LM
microspheres
against
precipitation
coalesce
by
facile
ultrasonication
via
cellulose
nanocrystal
(CNC)
stabilized
LM‐in‐water
Pickering
emulsion
(PE),
where
CNCs
are
employed
as
emulsifiers
their
partial
wettability
with
both
water
phases,
strong
electrostatic
adsorption
hydrogen
bonding
interactions
LM.
So
far,
reports
about
PE
CNC‐stabilized
inorganic
material
still
rare.
CNC/LM
direct‐writing
inks
on
various
substrates
delicate
patterns.
The
pristine
patterns
show
photothermal
conversion
localized
plasma
resonance
effect
of
microspheres.
After
activation
friction
sintering,
the
highly
electric
conductive
(1666.7
S
m
−1
)
formation
connection.
activated
also
displayed
Joule
heating
(83.2
°C
at
0.9
V)
electromagnetic
interference
(EMI)
shielding
ability
(585.7
dB
mm
X‐band
range.
Advanced Materials,
Год журнала:
2023,
Номер
36(8)
Опубликована: Дек. 1, 2023
Abstract
Storage
systems
are
vital
components
of
electronic
devices,
while
significant
challenges
persist
in
achieving
flexible
memory
due
to
the
limitations
existing
storage
methodologies.
Inspired
by
polarization
and
depolarization
mechanisms
human
brain,
here
a
novel
class
principles
is
proposed
achieve
fully
through
introducing
oxidation
deoxidation
behaviors
liquid
metals.
Specifically,
reversible
electrochemical
utilized
modulate
overall
conductivity
target
metals,
creating
substantial
11‐order
resistance
difference
for
binary
data
storage.
To
obtain
best
performance,
systematic
optimizations
multiple
parameters
conducted.
Conceptual
experiments
demonstrate
memory's
stability
under
extreme
deformations
(100%
stretching,
180°
bending,
360°
twisting).
Further
tests
reveal
that
performs
better
when
its
unit
size
gets
smaller,
warranting
superior
integrability.
Finally,
complete
system
achieves
remarkable
performance
metrics,
including
rapid
speed
(>33
Hz),
long
retention
capacity
(>43200
s),
stable
repeatable
operation
(>3500
cycles).
This
groundbreaking
method
not
only
overcomes
inherent
rigidity
units
but
also
opens
new
possibilities
innovating
neuromorphic
offering
fundamental
practical
avenues
future
applications
soft
robotics,
wearable
electronics,
bio‐inspired
artificial
intelligence
systems.
