Chemical Engineering Journal,
Год журнала:
2024,
Номер
496, С. 153529 - 153529
Опубликована: Июнь 28, 2024
In
this
study,
self-doped
porous
activated
biochar
derived
from
Venice
lagoon's
Sargassum
brown
macroalgae
(ABS)
has
been
successfully
prepared
through
thermochemical
carbonization
(pyrolysis)
followed
by
CO2
physical
activation
and
used
as
electrodes
for
supercapacitor
(SC)
applications.
The
ABS
exhibits
a
remarkable
specific
surface
area
of
821
m2g–1
heteroatoms
(N,
O,
S)
doping,
both
key
features
to
attain
high-performance
carbon-based
SC
electrodes.
electrochemical
performances
ABS-based
SCs
were
assessed
in
three
different
electrolytes.
Two
are
aqueous
(i.e.,
1
M
H2SO4
8
NaNO3),
while
the
third
one
is
prototypical
organic,
namely
TEABF4
acetonitrile.
these
electrolytes,
exhibited
capacitance
values
(Cg)
109.5,
79.0,
64.3Fg–1,
respectively,
at
current
density
0.1
Ag–1.
capacitive
performance
resulted
energy
densities
3.45
Wh
kg−1
22.5
W
kg−1,
6.3
36.1
12.4
57.4
maximum
power
147,
222,
378
kW
acidic,
quasi-neutral
electrolyte
organic
electrolyte,
respectively.
realize
flexible
solid-state
based
on
sulfonated
polyether
ether
ketone
(SPEEK):functionalized
niobium
disulfide
flakes
(f-NbS2)
composite
membrane.
displayed
97%
Cg
retention
even
under
various
mechanical
stresses,
including
bending
up
1000
times
folding
angles
180°,
keeping
Coulombic
efficiency
above
98%.
This
study
reveals
promising
sustainable
source
active
materials
SCs.
can
be
attributed
their
multi-scale
porosity,
heteroatom
enhanced
wettability,
providing
abundant
sites
charge
accumulation,
efficient
diffusion,
thus
highlighting
its
potential
solution
storage
Nanotheranostics,
Год журнала:
2022,
Номер
7(1), С. 61 - 69
Опубликована: Ноя. 23, 2022
Articular
cartilage
has
a
low
self-repair
capacity
due
to
the
lack
of
vessels
and
nerves.
In
recent
times,
nanofiber
scaffolds
have
been
widely
used
for
this
purpose.
The
optimum
scaffold
should
stimulate
new
tissue's
growth
mimic
articular
nature.
Furthermore,
characteristics
match
those
cellular
matrix
components
native
tissue
best
merge
with
target
tissue.
Therefore,
selective
modification
prefabricated
based
on
structure
repaired
tissues
is
commonly
conducted
promote
restoring
A
thorough
analysis
required
find
out
architectural
features
that
are
essential
make
treatment
successful.
current
review
aims
challenge.
article
highlights
different
optimization
approaches
nanofibrous
improved
engineering.
context,
influence
architecture
nanoscaffolds
performance
discussed
in
detail.
Finally,
gathered
information,
future
outlook
provided
catalyze
development
promising
field.
Materials Today Electronics,
Год журнала:
2023,
Номер
5, С. 100055 - 100055
Опубликована: Авг. 11, 2023
As
personal
portable
devices,
wearable
sensors
supply
a
leading-edge
pathway
to
diagnose
various
diseases
through
actuating
biological,
physical,
and
chemical
sensing
capabilities.
This
could
be
commonly
carried
out
via
recording
continuous
real-time
of
the
patient's
physiological
statuses,
as
well
pathophysiological
information.
Although
sensor
technology
is
in
infancy
stage,
tremendous
attempts
have
been
devoted
approaching
flexible
polymeric
sensors.
Among
polymer
candidates
applicable
for
synthesizing
sensors,
bio-based
ones
piqued
more
interest
due
their
biocompatibility,
biodegradability,
eco-friendly
features,
cost-effectiveness.
Additionally,
several
fabrication
techniques
professed
architect
efficient
frameworks,
such
films,
hydrogels,
aerogels,
ferrogels,
3D
layers,
electrospun
mats,
textiles.
In
this
review,
different
mechanisms
declared
engineer
are
overviewed.
Then,
regarding
advantages
observed
polymers,
focused
studies
on
natural-based
described.
Notably,
cellulose,
chitosan,
silk,
gelatin,
alginate's
role
functionality
highlighted.
Accordingly,
review
has
opened
new
window
ahead
opportunities
based
natural
polymers.
It
hoped
that
generation
will
launched
by
combining
emerging
achievements
obtained
from
employing
sustainable
green
elements
miniaturized
structures.
Solar-driven
photothermal
water
evaporation
is
considered
an
elegant
and
sustainable
technology
for
freshwater
production.
The
existing
systems,
however,
often
suffer
from
poor
stability
biofouling
issues,
which
severely
hamper
their
prospects
in
practical
applications.
Conventionally,
materials
are
deposited
on
the
membrane
supports
via
vacuum-assisted
filtration
or
dip-coating
methods.
Nevertheless,
weak
inherent
material-membrane
interactions
frequently
lead
to
durability,
material
layer
can
be
easily
peeled
off
hosting
substrates
partially
dissolved
when
immersed
water.
In
present
article,
discovery
of
incorporation
borophene
into
cellulose
nanofibers
(CNF),
enabling
excellent
environmental
with
a
high
light-to-heat
conversion
efficiency
91.5%
rate
1.45
kg
m-2
h-1
under
simulated
sunlight
reported.
It
also
demonstrated
that
papers
employed
as
active
eliminating
almost
100%
both
gram-positive
gram-negative
bacteria
within
20
min
three
sun
irradiations.
result
opens
new
direction
design
borophene-based
unique
properties
used
effective
treatment
wide
range
wastewaters.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 6, 2024
Triboelectric
nanogenerators
(TENGs)
play
a
crucial
role
in
attaining
sustainable
energy
for
various
wearable
devices.
Polymer
materials
are
essential
components
of
TENGs.
Biopolymers
suitable
TENGs
because
their
degradability,
natural
sourcing,
and
cost-effectiveness.
Herein,
the
latest
progress
commonly
used
biopolymers
well-designed
biomimetic
techniques
TENG
is
summarized.
The
applications
rubber,
polysaccharides,
protein-based
biopolymers,
other
common
synthetic
technology
summarized
detail.
Each
biopolymer
discussed
based
on
its
electrification
capability,
polarity
variations,
specific
functionalities
as
active
functional
layers
Important
strategies
related
also
to
guide
structural
design
TENG.
In
future,
study
triboelectric
may
focus
exploring
alternative
candidates,
enhancing
charge
density,
expanding
functionality.
Various
possible
biopolymer-based
proposed
this
review.
By
applying
methods
devices,
fields
healthcare,
environmental
monitoring,
wearable/implantable
electronics
can
be
further
promoted.
