Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
61(41)
Published: Aug. 18, 2022
Covalent
organic
framework
(COF)
membranes
with
tunable
ordered
channels
and
free
groups
hold
great
promise
in
molecular
separations
owing
to
the
synergy
of
physical
chemical
microenvironments.
Herein,
we
develop
a
defect
engineering
strategy
fabricate
COF
for
efficient
CO2
separation.
Abundant
amino
are
situ
generated
on
nanosheets
arising
from
missing-linker
defects
during
reactive
assembly
amine
monomer
mixed
aldehyde
monomers.
The
assembled
membranes.
Amino
groups,
as
facilitated
transport
carriers,
along
endow
membrane
high
permeances
exceeding
300
GPU
excellent
separation
selectivity
80
/N2
,
54
/CH4
gas
under
humidified
state.
Our
offers
facile
approach
generating
functional
other
diverse
separations.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Feb. 1, 2023
Li-CO2
batteries
possess
exceptional
advantages
in
using
greenhouse
gases
to
provide
electrical
energy.
However,
these
following
Li2CO3-product
route
usually
deliver
low
output
voltage
(<2.5
V)
and
energy
efficiency.
Besides,
Li2CO3-related
parasitic
reactions
can
further
degrade
battery
performance.
Herein,
we
introduce
a
soluble
binuclear
copper(I)
complex
as
the
liquid
catalyst
achieve
Li2C2O4
products
batteries.
The
exhibits
high
electromotive
up
3.38
V,
an
increased
of
3.04
enlarged
discharge
capacity
5846
mAh
g-1.
And
it
shows
robust
cyclability
over
400
cycles
with
additional
help
Ru
catalyst.
We
reveal
that
easily
capture
CO2
form
bridged
Cu(II)-oxalate
adduct.
Subsequently
reduction
adduct
occurs
during
discharge.
This
work
innovatively
increases
higher
than
3.0
paving
promising
avenue
for
design
regulation
conversion
reactions.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
61(41)
Published: Aug. 18, 2022
Covalent
organic
framework
(COF)
membranes
with
tunable
ordered
channels
and
free
groups
hold
great
promise
in
molecular
separations
owing
to
the
synergy
of
physical
chemical
microenvironments.
Herein,
we
develop
a
defect
engineering
strategy
fabricate
COF
for
efficient
CO2
separation.
Abundant
amino
are
situ
generated
on
nanosheets
arising
from
missing-linker
defects
during
reactive
assembly
amine
monomer
mixed
aldehyde
monomers.
The
assembled
membranes.
Amino
groups,
as
facilitated
transport
carriers,
along
endow
membrane
high
permeances
exceeding
300
GPU
excellent
separation
selectivity
80
/N2
,
54
/CH4
gas
under
humidified
state.
Our
offers
facile
approach
generating
functional
other
diverse
separations.