Applied Physics Letters,
Год журнала:
2020,
Номер
116(26)
Опубликована: Июнь 29, 2020
Dropwise
condensation
(DWC)
on
non-wetting
surfaces
has
remarkable
potential
to
enhance
heat
transfer
performance
compared
filmwise
wetting
substrates.
In
this
article,
we
discuss
important
recent
developments
and
challenges
in
the
field
of
DWC,
including
durability
DWC-promoting
coatings,
DWC
low
surface
tension
fluids,
physical
mechanisms
governing
unconventional
methods
achieve
promising
metrology
techniques
for
DWC.
We
end
article
by
providing
a
road
map
detailing
where
believe
community
should
direct
both
fundamental
applied
efforts
order
solve
identified
century-old
that
limit
implementation.
ACS Central Science,
Год журнала:
2020,
Номер
6(9), С. 1488 - 1496
Опубликована: Июль 29, 2020
Covalent
adaptable
networks
(CANs)
are
covalently
cross-linked
polymers
that
may
be
reshaped
via
cross-linking
and/or
strand
exchange
at
elevated
temperatures.
They
represent
an
exciting
and
rapidly
developing
frontier
in
polymer
science
for
their
potential
as
stimuli-responsive
materials
to
make
traditionally
nonrecyclable
thermosets
more
sustainable.
CANs
whose
cross-links
undergo
associative
intermediates
rather
than
dissociating
separate
reactive
groups
termed
vitrimers.
Vitrimers
were
postulated
attractive
subset
of
CANs,
because
cross-link
mechanisms
maintain
the
original
density
network
throughout
process.
As
a
result,
demonstrate
gradual,
Arrhenius-like
reduction
viscosity
temperatures
while
maintaining
mechanical
integrity.
In
contrast,
reprocessed
by
dissociation
reformation
have
been
exhibit
rapid
decrease
with
increasing
temperature.
Here,
we
survey
stress
relaxation
behavior
all
dissociative
which
variable
temperature
or
data
reported
date.
All
Arrhenius
relationship
between
viscosity,
only
small
percentage
broken
instantaneously
under
typical
reprocessing
conditions.
such,
show
nearly
identical
over
broad
ranges
typically
used
reprocessing.
Given
term
vitrimer
was
coined
highlight
temperature,
analogy
vitreous
glasses,
discourage
its
continued
use
describe
CANs.
The
realization
mechanism
does
not
greatly
influence
practical
most
suggests
chemistries
can
considered
fewer
constraints,
focusing
instead
on
activation
parameters,
synthetic
convenience,
application-specific
considerations.
Advanced Energy Materials,
Год журнала:
2021,
Номер
12(17)
Опубликована: Дек. 5, 2021
Abstract
The
development
of
new
batteries
has
historically
been
achieved
through
discovery
and
cycles
based
on
the
intuition
researcher,
followed
by
experimental
trial
error—often
helped
along
serendipitous
breakthroughs.
Meanwhile,
it
is
evident
that
strategies
are
needed
to
master
ever‐growing
complexity
in
battery
systems,
fast‐track
transfer
findings
from
laboratory
into
commercially
viable
products.
This
review
gives
an
overview
over
future
needs
current
state‐of‐the
art
five
research
pillars
European
Large‐Scale
Research
Initiative
BATTERY
2030+,
namely
1)
Battery
Interface
Genome
combination
with
a
Materials
Acceleration
Platform
(BIG‐MAP),
progress
toward
2)
self‐healing
materials,
methods
for
operando,
3)
sensing
monitor
health.
These
subjects
complemented
up‐coming
optimize
4)
manufacturability
efforts
circular
economy
implementation
5)
recyclability
aspects
design
battery.
Advanced Materials,
Год журнала:
2021,
Номер
33(31)
Опубликована: Июнь 21, 2021
Abstract
Soft
ionic
conductors
show
great
promise
in
multifunctional
iontronic
devices,
but
currently
utilized
gel
materials
suffer
from
liquid
leakage
or
evaporation
issues.
Here,
a
dry
ion‐conducting
elastomer
with
dynamic
crosslinking
structures
is
reported.
The
endow
it
combined
advantageous
properties
simultaneously,
including
high
conductivity
(2.04
×
10
−4
S
cm
−1
at
25
°C),
self‐healing
capability
(96%
healing
efficiency),
stretchability
(563%),
and
transparency
(78%).
With
this
conductor
as
the
electrode,
two
soft
devices
(electroluminescent
triboelectric
nanogenerator
tactile
sensors)
are
realized
entirely
stretchable
capabilities.
Due
to
absence
of
materials,
shows
wide
operational
temperature
range,
achieve
excellent
stability.
These
findings
provide
promising
strategy
highly
conductive
conductors,
demonstrate
their
potential
iontronics
electronics.
Chemical Reviews,
Год журнала:
2022,
Номер
122(23), С. 17155 - 17239
Опубликована: Окт. 14, 2022
The
ever-increasing
demand
for
flexible
and
portable
electronics
has
stimulated
research
development
in
building
advanced
electrochemical
energy
devices
which
are
lightweight,
ultrathin,
small
size,
bendable,
foldable,
knittable,
wearable,
and/or
stretchable.
In
such
devices,
semi-solid/solid
electrolytes
besides
anodes
cathodes
the
necessary
components
determining
energy/power
performances.
By
serving
as
ion
transport
channels,
may
be
beneficial
to
resolving
issues
of
leakage,
electrode
corrosion,
metal
dendrite
growth.
this
paper,
fundamentals
(e.g.,
chemical
composition,
ionic
conductivity,
window,
mechanical
strength,
thermal
stability,
other
attractive
features),
electrode–electrolyte
interfacial
properties,
their
relationships
with
performance
various
supercapacitors,
secondary
batteries,
metal–sulfur
metal–air
batteries)
comprehensively
reviewed
terms
materials
synthesis
characterization,
functional
mechanisms,
device
assembling
validation.
most
recent
advancements
improving
summarized
focuses
on
analyzing
existing
technical
challenges
solid
electrolyte
interphase
formation,
growth,
polysulfide
shuttle
issue,
instability
half-open
battery
structure)
strategies
overcoming
these
through
modification
materials.
Several
possible
directions
future
proposed
going
beyond
technological
bottlenecks
achieving
desirable
fulfill
practical
applications.
It
is
expected
that
review
provide
readers
a
comprehensive
cross-technology
understanding
facilitating
current
researches
devices.
Nature Communications,
Год журнала:
2021,
Номер
12(1)
Опубликована: Сен. 1, 2021
Abstract
Durable
hydrophobic
materials
have
attracted
considerable
interest
in
the
last
century.
Currently,
most
popular
strategy
to
achieve
coating
durability
is
through
combination
of
a
perfluoro-compound
with
mechanically
robust
matrix
form
composite
for
protection.
The
structure
typically
large
(thicker
than
10
μm),
difficult
scale
arbitrary
materials,
and
incompatible
applications
requiring
nanoscale
thickness
such
as
heat
transfer,
water
harvesting,
desalination.
Here,
we
demonstrate
durable
hydrophobicity
superhydrophobicity
nanoscale-thick,
perfluorinated
compound-free
polydimethylsiloxane
vitrimers
that
are
self-healing
due
exchange
network
strands.
vitrimer
thin
film
maintains
excellent
optical
transparency
after
scratching,
cutting,
indenting.
We
show
can
be
deposited
scalable
dip-coating
on
variety
substrates.
In
contrast
previous
work
achieving
thick
coatings
by
passively
stacking
protective
structures,
this
presents
pathway
ultra-thin
(thinner
100
nm)
films.
ACS Energy Letters,
Год журнала:
2020,
Номер
5(5), С. 1456 - 1464
Опубликована: Апрель 9, 2020
The
application
of
NASICON-type
Li1.5Al0.5Ge1.5P3O12
(LAGP)
solid
electrolyte
in
lithium
(Li)
metal
batteries
has
been
retarded
by
its
instability
toward
metallic
Li
and
the
poor
interfacial
compatibility
with
cathodes.
Here
we
report
a
durable
LAGP-based
battery
employing
self-healing
polymer
electrolytes
(SHEs)
as
Janus
interfaces.
SHEs
were
constructed
on
both
sides
LAGP
pellets
situ
polymerizing
functional
monomer
cross-linker
ionic
liquid-based
(anodic
side
contact
metal)
or
adiponitrile
(AN)-based
(cathodic
side)
electrolytes.
as-developed
show
flame-retardant,
high
conductivity
(>10–3
S
cm–1
at
25
°C),
excellent
electrodes,
effective
inhibition
dendrite
formation.
metal||LiMn2O4
SHE
interfaces
deliver
reversible
capacity
long
cycle.