Synthesis of Sulfonyl Two-Dimensional Covalent Organic Frameworks for Supercapacitor Applications
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 4, 2025
Covalent
organic
frameworks
(COFs)
are
attracting
more
attention
for
energy
storage
applications.
COFs
possess
unique
structural
properties,
such
as
highly
ordered
pore
structures,
abundant
functionalization
sites,
and
tunable
chemical
making
them
ideal
candidates
the
development
of
novel
materials.
In
this
work,
we
synthesized
sulfonyl
two-dimensional
(2D)
covalent
(SLD-COFs)
using
4,4'-sulfonyldiphenylamine
(SLD).
SLD-COFs
have
a
remarkable
conjugated
structure,
which
includes
imine
groups
forming
large
π-bonds,
structure
can
provide
consecutive
electron
conduction
paths,
enables
SLD-COF
to
transfer
charges
efficiently,
thus
improving
electrical
conductivity.
Additionally,
introduce
redox-active
participate
in
redox
process
during
electrochemical
reactions
generate
pseudocapacitive
effect.
For
current
0.5
A/g,
specific
capacitance
material
was
31.5
F/g
an
acidic
electrolyte
41.7
alkaline
electrolyte.
The
flexibility
good
properties
make
potentially
essential
component
Meanwhile,
retention
reaches
78.3%
after
1000
GCD
cycles
at
density
1
indicates
its
cycling
stability.
Язык: Английский
Emerging hydroxylated borophene-mediated gel electrolyte for enhanced quasi-solid zinc-ion supercapacitors
Journal of Alloys and Compounds,
Год журнала:
2025,
Номер
unknown, С. 179516 - 179516
Опубликована: Март 1, 2025
Язык: Английский
Kinetic and Thermodynamic Study of Ag+, Cu2+, and Zn2+ Ion Adsorption on LTA for High-Performance Antibacterial Coating
Coatings,
Год журнала:
2024,
Номер
14(12), С. 1524 - 1524
Опубликована: Дек. 3, 2024
Antibacterial
powder
coatings
have
attracted
increasing
attention
with
the
awakening
of
people’s
health
awareness.
Silver
antibacterial
agent
has
been
widely
used
in
coating
system
due
to
its
superior
stability
and
durability.
However,
silver
ions
problems
excessive
release
rate
tendency
cause
yellowing
film.
The
addition
Cu2+
Zn2+
can
effectively
alleviate
these
two
phenomena.
In
this
paper,
ternary
exchange
kinetics
Ag+,
Cu2+,
were
studied
provide
a
theoretical
basis
for
synthesis
LTA-Ag-Cu-Zn.
reaction
study
shows
that
selectivity
adsorption
capacity
LTA
Ag+
is
higher
than
Zn2+.
thermodynamic
analysis
discovers
highest
between
spontaneous.
contrast,
concentration-dependent.
By
establishing
three-ion
competitive
curve,
it
found
highest,
copper
zinc
similar.
These
trends
result
from
ions’
low
hydration
energy,
small
radius,
strong
electronegativity.
This
research
lays
groundwork
developing
high-performance
LTA-Ag-Cu-Zn
tri-ion
agents.
Язык: Английский