ACS Applied Energy Materials,
Год журнала:
2023,
Номер
6(14), С. 7672 - 7680
Опубликована: Июнь 29, 2023
We
synthesized
and
studied
a
redox-active
quinone-based
porous
organic
polymer
(rPOP)
found
ultralong
cycle
life:
it
is
promising
cathode
for
aqueous
zinc-ion
batteries
(ZIBs).
It
has
high
physicochemical
stability
enhanced
intrinsic
conductivity
from
its
fused-aromatic
conjugated
skeleton.
rPOP's
porosity
allows
efficient
Zn2+
infiltration
through
the
pores
during
charging–discharging
cycles
contributes
to
utilization
of
quinone
units.
delivers
specific
capacity
120
mAh
g–1
at
current
density
0.1
A
with
flat
long
discharge
plateau,
which
critically
important
provide
stable
voltage
output.
provides
life
1.0
1000
2.0
30
000
cycles,
initial
retention
95
66%,
respectively.
The
co-insertion
(Zn2+
H+)
charge
storage
mechanism
was
investigated
using
various
electrochemical
measurements
ex/in
situ
structural
characterization
techniques,
explained
herein.
These
findings
contribute
better
understanding
structure–property
relationship
rPOP
open
new
avenue
materials
high-performance
next-generation
batteries.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(8), С. 3829 - 3895
Опубликована: Янв. 1, 2024
This
review
categorizes
subnanometer
pores/channels
(SNPCs)
from
structural
perspective
and
demonstrates
electrochemical
couplings
in
SNPCs
for
batteries
while
proposing
corresponding
challenges
future
research
directions.
Advanced Materials,
Год журнала:
2021,
Номер
33(51)
Опубликована: Окт. 10, 2021
There
has
been
growing
research
interest
in
hydrogen
bonded
organic
frameworks
(HOFs)
by
virtue
of
their
great
structural
crystallinity,
large
surface
areas
and
porosity.
Their
potential
electrochemical
applications,
unfortunately,
remains
elusive
because
weak
bonds
would
dissociate
solution
that
eventually
compromises
the
integrity.
Herein,
it
is
demonstrated
this
issue
may
be
overcome
designing
introducing
multisite
bonding
within
HOFs.
2D
molecular
sheets
are
prepared
using
diaminotriazole
as
linkers
for
first
time.
In
spite
thickness
(≈1
nm),
they
chemically
stable
mechanically
robust,
have
diminished
solubility
most
polar
or
nonpolar
solvents.
This
solution-stable
HOF
exhibits
an
excellent
performance
Na+
ion
storage.
particular,
enables
exceptional
cycle
life
>10
000
cycles
at
1
A
g-1
,
which
far
superior
to
other
electrode
materials.
Theoretical
simulations
indicate
activation
barrier
intralayer
interlayer
diffusion
ions
small.
ACS Applied Energy Materials,
Год журнала:
2022,
Номер
5(3), С. 3677 - 3688
Опубликована: Март 8, 2022
In
this
study,
we
used
classical
and
simple
Sonogashira
couplings
to
construct
three
1,3,4-oxadiazole-linked
conjugated
microporous
polymers
(OXD-CMPs)
through
the
reaction
of
2,5-bis(4-bromophenyl)-1,3,4-oxadiazole
(OXD-Br2)
as
a
common
partner
with
structurally
diverse
units
ethynyl
triphenylamine,
tetraphenylethene,
pyrene,
respectively.
We
several
methods,
both
spectroscopic
microscopic,
characterize
OXD-CMPs.
Each
OXD-CMP
displayed
high
thermal
stability.
The
Py-OXD-CMP
possessed
pores
having
sizes
in
range
1.20–2.25
nm
surface
area
(298
m2
g–1).
These
OXD-CMPs
interacted
singled-walled
carbon
nanotubes
(CNTs),
stabilized
noncovalent
π–π
interactions,
afford
OXD-CMP/CNT
composites
that
were
suitable
for
supercapacitor
devices.
Among
our
composites,
Py-OXD-CMP/CNT
composite
offered
specific
capacitance
504
F
g–1
superior
retention
(91.1%)
over
2000
cycles.
ACS Applied Energy Materials,
Год журнала:
2022,
Номер
5(8), С. 10130 - 10140
Опубликована: Июль 29, 2022
In
this
work,
we
reported
the
rational
design
and
synthesis
of
two
pyrene-4,5,9,10-tetraone
(PT)-linked
conjugated
microporous
polymers
(PT-CMPs)
as
organic
electrode
precursors
in
energy
storage
applications,
which
were
prepared
through
Sonogashira
polycondensation
reaction
ethynyl
pyrene
(Py-T)/tetraphenylethene
(TPE-T)
common
units
with
brominated
tetraene
(PT-Br2)
a
redox-active
unit.
We
employed
microscopic,
spectroscopic,
N2
adsorption/desorption
isotherm
analyses
to
investigate
thermal
stability,
molecular
structure,
porosity
properties
both
newly
obtained
PT-CMPs.
Thermogravimetric
analysis
(TGA)
revealed
that
synthesized
PT-CMPs
feature
moderate
stability.
TheP-PT-CMP
exhibited
high
BET
surface
area
up
300
m2
g–1
total
pore
volume
was
0.34
cm3
g–1,
based
on
sorption
analyses.
Notably,
P-PT-CMP
framework
displayed
very
capacitance
400
F
superior
stability
80%
over
5000
cycles
at
10
A
according
supercapacitor
performance.
addition,
have
evaluated
electrochemical
performance
symmetric
coin
supercapacitor,
showing
great
potential
for
real-life
applications
electrical
(EES).
ACS Applied Energy Materials,
Год журнала:
2022,
Номер
5(3), С. 3706 - 3714
Опубликована: Март 8, 2022
Conjugated
microporous
polymers
(CMPs)
are
promising
electrode
materials
for
electrochemical
energy
storage,
but
their
poor
redox
activity
and
electric
conductivity
limit
practical
applications.
Herein,
CMPs
obtained
from
the
Buchwald–Hartwig
coupling
reaction
using
a
spirobifluorene
bromide
core
p-phenylenediamine
linker
(SACMPs)
grafted
onto
multiwalled
carbon
nanotube
(MWCNT)
via
one-step
in
situ
polymerization.
The
as-prepared
composite
(MWCNT@SACMP)
exhibits
high
surface
area
of
514
m2
g–1,
excellent
activity,
reasonable
conductivity.
As
expected,
MWCNT@SACMP
presents
specific
capacitance
594
F
g–1
at
current
density
1.0
A
when
content
MWCNTs
is
around
10
wt
%,
which
improved
by
252%
236
SACMP.
symmetric
two-electrode
supercapacitor
assembled
with
shows
an
efficient
254
28.53
W
h
kg–1
power
900
can
retain
84.38%
its
initial
after
6000
cycles.
This
work
thus
CMP/MWCNT
material
storage.
ACS Applied Energy Materials,
Год журнала:
2022,
Номер
5(11), С. 14239 - 14249
Опубликована: Окт. 18, 2022
In
this
study,
we
used
one-pot
polycondensation
through
Suzuki
cross-coupling
to
prepare
three
three-dimensional
(3D)
conjugated
microporous
polymers
(CMPs;
Try-Ph-Th,
Try-Ph-Py,
and
Try-Ph-TPE)
containing
triptycene
(Try)
moieties
connected
thiophene
(Th),
pyrene
(Py),
tetraphenylethene
(TPE)
units.
Thermogravimetric
analysis
(TGA)
revealed
that
the
thermal
stabilities
of
Try-Ph-Py
CMP
(Td10
=
605
°C;
char
yield
80
wt
%)
Try-Ph-TPE
517
71
were
higher
than
those
Try-Ph-Th
471
65
other
materials.
The
sample
possessed
a
high
specific
surface
area
(up
700
m2
g–1)
pore
volume
(0.45
cm3
g–1),
based
on
N2
adsorption/desorption
analyses
as
well
superior
electrochemical
performance,
characterized
by
capacity
245
F
g–1
at
current
density
0.5
A
g–1.
CMPs
exhibited
high-capacity
retentions
75.00,
85.71,
92.85%,
respectively.
addition
their
extraordinary
three-electrode
these
provided
capacitances
(53,
84.2,
166
g–1,
respectively)
when
real
supercapacitors.
Molecules,
Год журнала:
2022,
Номер
27(6), С. 2025 - 2025
Опубликована: Март 21, 2022
In
recent
years,
conjugated
microporous
polymers
(CMPs)
have
become
important
precursors
for
environmental
and
energy
applications,
compared
with
inorganic
electrode
materials,
due
to
their
ease
of
preparation,
facile
charge
storage
process,
π-conjugated
structures,
relatively
high
thermal
chemical
stability,
abundance
in
nature,
surface
areas.
Therefore,
this
study,
we
designed
prepared
new
benzobisthiadiazole
(BBT)-linked
CMPs
(BBT-CMPs)
using
a
simple
Sonogashira
couplings
reaction
by
4,8-dibromobenzo(1,2-c;4,5-c')bis(1,2,5)thiadiazole
(BBT-Br
Polymers,
Год журнала:
2023,
Номер
15(8), С. 1891 - 1891
Опубликована: Апрель 14, 2023
Porous
organic
polymers
(POPs)
have
plenteous
exciting
features
due
to
their
attractive
combination
of
microporosity
with
π-conjugation.
Nevertheless,
electrodes
based
on
pristine
forms
suffer
from
severe
poverty
electrical
conductivity,
precluding
employment
within
electrochemical
appliances.
The
conductivity
POPs
may
be
significantly
improved
and
porosity
properties
could
further
customized
by
direct
carbonization.
In
this
study,
we
successfully
prepared
a
microporous
carbon
material
(Py-PDT
POP-600)
the
carbonization
Py-PDT
POP,
which
was
designed
using
condensation
reaction
between
6,6′-(1,4-phenylene)bis(1,3,5-triazine-2,4-diamine)
(PDA-4NH2)
4,4′,4′′,4′′′-(pyrene-1,3,6,8-tetrayl)tetrabenzaldehyde
(Py-Ph-4CHO)
in
presence
dimethyl
sulfoxide
(DMSO)
as
solvent.
obtained
POP-600
high
nitrogen
content
had
surface
area
(up
314
m2
g−1),
pore
volume,
good
thermal
stability
N2
adsorption/desorption
data
thermogravimetric
analysis
(TGA).
Owing
area,
as-prepared
showed
excellent
performance
CO2
uptake
(2.7
mmol
g−1
at
298
K)
specific
capacitance
550
F
0.5
A
compared
POP
(0.24
28
g−1).
ACS Nano,
Год журнала:
2022,
Номер
16(11), С. 17613 - 17640
Опубликована: Ноя. 2, 2022
Design
elements
extracted
from
biological
ion
channels
guide
the
engineering
of
artificial
nanofluidic
membranes
for
efficient
ionic
transport
and
spawn
biomimetic
devices
with
great
potential
in
many
cutting-edge
areas.
In
this
context,
polymeric
can
be
especially
attractive
because
their
inherent
flexibility
benign
processability,
which
facilitate
massive
fabrication
facile
device
integration
large-scale
applications.
Herein,
state-of-the-art
achievements
are
systematically
summarized.
Theoretical
fundamentals
underlying
both
synthetic
introduced.
The
advances
then
detailed
aspects
structural
design,
material
construction,
chemical
functionalization,
emphasizing
broad
reticular/topological
variety
as
well
considerable
property
tunability.
After
that,
Review
expands
on
examples
evolving
these
into
macroscopic
potentials
addressing
compelling
issues
energy
conversion
storage
systems
where
is
highly
desirable.
Finally,
a
brief
outlook
possible
future
developments
field
provided.