ACS ES&T Water,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 16, 2024
Antibiotics
(ANTs)
deep
purification
using
pyrolytic
carbons
(PyCs)
has
been
demonstrated
as
a
promising
strategy.
Since
PyCs
structural
modification
is
the
key
to
enhancing
their
capacity,
underlying
mechanisms
need
be
further
clarified.
Here,
three
nitrogen-doped
porous
with
solid-sphere,
hollow-sphere,
and
bowl-shape
were
prepared
soft-template-KHCO3
copyrolysis
method.
The
bowl-shaped
bNPyC,
BET/micropore
surface
area
of
2072.79/1415.9
cm2/g,
showed
highest
adsorption
capacity
for
sulfamethoxazole
(SMZ,
Qfitted,
max
=
5.44)
ciprofloxacin
(CIP,
3.23
mmol/g)
rapid
equilibrium.
Despite
slight
N
doping
(0.69%),
SMZ/CIP
on
bNPyC
improved
significantly
48.6%/64.2%.
Additionally,
outperformed
other
reported
in
Q/N
exposure
value.
exhibited
excellent
performance
ANTs
across
wide
pH
range
2–10,
particularly
CIP.
interactions
semiquantitatively
identified
by
probe
competition
experiments
confirmed
spectra
characterizations
density
functional
theory
calculations.
Mechanism
analysis
revealed
that
facilitates
not
only
π–π
EDA
but
also
charge-assisted
H-bond
between
ANTs.
anti-interference
properties,
recyclability,
universality
removal
demonstrated.
These
findings
may
guide
design
deepen
our
understanding
structure–property
mechanism
ANT
PyCs.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
Utilizing
sustainable
and
low‐cost
resources
to
achieve
high‐energy
supercapacitors
(SCs)
remains
a
significant
challenge.
Herein,
we
propose
strategy
design
quasi‐solid‐state
SCs,
where
electrode
materials,
binder,
electrolyte
are
entirely
derived
from
sodium
alginate
(SA).
N‐doped
porous
carbon
(NPC)
with
well‐developed
hierarchical
pores
high
nitrogen
content
is
synthesized
via
the
direct
in‐situ
carbonization
of
Ca
2+
−crosslinked
hydrogel
urea.
The
resulting
distribution
mesopores
micropores
in
NPC
facilitates
ions
transport
adsorption
ensures
electric‐double‐layer
capacitance,
while
its
nitrogen‐doping
provides
substantial
pseudo‐capacitance.
In
addition,
use
SA
as
binder
significantly
improves
water
wettability
lowers
charge
transfer
resistance,
further
enhancing
ion
accessibility
capacitance
electrode.
tough
electrolyte,
combined
interpenetrating
polyacrylamide
networks,
exhibits
enhanced
mechanical
strength,
retention,
ionic
conductivity.
Consequently,
as‐fabricated
all‐in‐one
alginate‐based
SC
delivers
an
outstanding
energy
density
20.2
Wh
kg
−1
at
112.5
W
exceptional
cycling
stability
95.9%
over
10
000
cycles
A
g
.
This
innovative
highlights
value‐added
biomass
both
material
engineering
device
integration
perspective,
paving
way
for
manufacture
SCs.