ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(27), P. 33148 - 33158
Published: June 29, 2023
Assembling
crystalline
materials
with
high
stability
and
proton
conductivity
as
a
potential
alternative
to
the
Nafion
membrane
is
challenging
topic
in
field
of
energy
materials.
Herein,
we
concentrated
on
creation
preparation
hydrazone-linked
COFs
super-high
explore
their
conduction.
Fortunately,
two
COFs,
TpBth
TaBth,
were
solvothermally
prepared
by
using
benzene-1,3,5-tricarbohydrazide
(Bth),
2,4,6-trihydroxy-benzene-1,3,5-tricarbaldehyde
(Tp),
2,4,6-tris(4-formylphenyl)-1,3,5-triazine
(Ta)
monomers.
Their
structures
simulated
Material
Studio
8.0
software
confirmed
PXRD
pattern,
demonstrating
two-dimensional
framework
AA
packing.
The
presence
large
number
carbonyl
groups
well
-NH-NH2-
backbone
responsible
for
water
absorption
capacity.
AC
impedance
tests
demonstrated
positive
correlation
between
water-assisted
(σ)
temperature
humidity.
Under
100
°C/98%
RH,
highest
σ
values
TaBth
can
reach
2.11
×
10-4
0.62
10-5
S·cm-1,
which
are
among
reported
COFs.
proton-conductive
mechanisms
highlighted
structural
analyses
N2
H2O
vapor
adsorption
data
activation
values.
Our
systematic
research
affords
ideas
synthesis
proton-conducting
Chemistry - An Asian Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 30, 2025
Abstract
Covalent
organic
frameworks
(COFs)
are
a
new
type
of
porous
crystalline
material,
which
have
become
an
emerging
platform
for
promoting
the
development
green
energy
technology
due
to
their
high
surface
area,
adjustable
pores,
low
skeleton
density,
and
easy
functionalization.
In
recent
years,
with
continuous
advancement
synthesis
technology,
efficiency
sustainability
COFs
been
significantly
improved,
from
traditional
solvothermal
methods
emergence
various
strategies
such
as
ion
thermal,
mechanochemical,
ultrasound
assisted
methods.
This
article
reviews
main
explores
applications
in
field
energy,
photocatalysis,
gas
adsorption
separation,
electrocatalysis,
battery,
supercapacitor
Proton
exchange
membrane
fuel
cell.
By
analyzing
performance
mechanism
these
detail,
this
further
looks
forward
challenges
future
trends
faced
by
aiming
provide
valuable
reference
inspiration
researchers
related
fields.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 31, 2025
Abstract
The
advancement
of
nanofluidic
membranes
is
critical
for
mimicking
bioelectrogenic
ion‐channel
mechanisms
and
boosting
output
power
density,
essential
sustainable
energy
applications.
conversion
efficiency
these
devices
significantly
relies
on
the
ion
conductivity
permselectivity
membranes.
Membranes
with
aligned
one‐dimentional
(1D)
pores,
high
pore
organized
dangling
ionic
groups
are
theorized
to
offer
superior
permeability
selectivity,
yet
configurations
remain
underexplored.
Herein,
successful
fabrication
oriented
covalent
organic
framework
(COF)
presented.
These
exhibit
precisely
cationic
anionic
sites
within
their
channels,
achieved
through
post‐synthetic
modification
using
click
chemistry,
which
shows
conductivity.
When
incorporated
into
full‐cell
thermo‐osmotic
generators,
deliver
an
impressive
density
195
W
m
−2
under
a
50‐fold
salinity
gradient
(NaCl:
0.01
‖
0.5
)
along
35
K
temperature
differential.
This
substantially
increases
2.41
times
471
−2
when
enhanced
tenfold,
surpassing
performance
existing
similar
conditions
thus
offering
promising
avenue
enhancing
in
resource
utilization.
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(27), P. 33148 - 33158
Published: June 29, 2023
Assembling
crystalline
materials
with
high
stability
and
proton
conductivity
as
a
potential
alternative
to
the
Nafion
membrane
is
challenging
topic
in
field
of
energy
materials.
Herein,
we
concentrated
on
creation
preparation
hydrazone-linked
COFs
super-high
explore
their
conduction.
Fortunately,
two
COFs,
TpBth
TaBth,
were
solvothermally
prepared
by
using
benzene-1,3,5-tricarbohydrazide
(Bth),
2,4,6-trihydroxy-benzene-1,3,5-tricarbaldehyde
(Tp),
2,4,6-tris(4-formylphenyl)-1,3,5-triazine
(Ta)
monomers.
Their
structures
simulated
Material
Studio
8.0
software
confirmed
PXRD
pattern,
demonstrating
two-dimensional
framework
AA
packing.
The
presence
large
number
carbonyl
groups
well
-NH-NH2-
backbone
responsible
for
water
absorption
capacity.
AC
impedance
tests
demonstrated
positive
correlation
between
water-assisted
(σ)
temperature
humidity.
Under
100
°C/98%
RH,
highest
σ
values
TaBth
can
reach
2.11
×
10-4
0.62
10-5
S·cm-1,
which
are
among
reported
COFs.
proton-conductive
mechanisms
highlighted
structural
analyses
N2
H2O
vapor
adsorption
data
activation
values.
Our
systematic
research
affords
ideas
synthesis
proton-conducting
