Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 26, 2024
Abstract
The
electroreduction
reaction
of
CO
2
(eCO
RR)
is
considered
an
effective
pathway
for
clean
fuel
production,
greenhouse
gas
reduction,
and
resource
recycling.
Atomically
dispersed
catalysts
exhibit
excellent
catalytic
activity
due
to
the
high
dispersion
atoms,
especially
atomically
copper
(AD
Cu).
Although
copper‐based
materials
are
major
single
component
capable
producing
multi‐carbon
products,
mechanism
usually
not
very
clear.
For
AD
Cu
catalysts,
dynamic
transformation
species
in
form
(nano)clusters,
ions
during
process
significantly
has
effect
on
performance
eCO
RR.
core
issue
that
needs
be
addressed
how
control
tune
aggregation
atoms
make
it
most
favorable
desired
product
or
pathways.
This
review
summarizes
optimization
strategies
recent
years
from
three
main
perspectives:
interface
engineering,
electrode
external
field
coupling.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 6, 2024
The
unstable
electrolyte-anode
interface,
plagued
by
parasitic
side
reactions
and
uncontrollable
dendrite
growth,
severely
hampers
the
practical
implementation
of
aqueous
zinc-ion
batteries.
To
address
these
challenges,
we
developed
a
regenerated
cellulose-based
artificial
interphase
with
synergistically
optimized
structure
surface
chemistry
on
Zn
anode
(RC@Zn),
using
facile
molecular
chain
rearrangement
strategy.
This
RC
features
drastically
increased
amorphous
region
more
exposed
active
hydroxyl
groups,
facilitating
rapid
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(38)
Published: May 17, 2024
Abstract
Efficient
production
of
value‐added
chemicals
with
high
selectivity
from
CO
2
electroreduction
at
industrial‐level
current
density
is
highly
demanded,
yet
remains
a
big
challenge.
In
recent
issue
Angewandte
Chemie,
Han
and
colleagues
have
elegantly
increased
the
Faradaic
efficiency
(FE)
multi‐carbon
(C
2+
)
products
to
over
70
%
amperes
level
(1.4
A
cm
−2
by
engineering
active
sites
for
key
reactions
involved
in
electroreduction.
this
study,
dispersed
Pd
atoms
two
unique
functions:
water
dissociation
induce
electron
rearrangement
surrounding
Cu
form
new
conversion,
while
far
are
efficient
conversion
CO,
synergistic
functions
these
three
result
FE
yields
C
density.
This
research
remarkable
step
forward
methodology
developing
durable
catalysts
beyond.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(44)
Published: July 24, 2024
Abstract
2D
functional
porous
frameworks
offer
a
platform
for
studying
the
structure–activity
relationships
during
electrocatalytic
CO
2
reduction
reaction
(CO
RR).
Yet
challenges
still
exist
to
breakthrough
key
limitations
on
site
configuration
(typical
M−O
4
or
M−N
units)
and
product
selectivity
(common
‐to‐CO
conversion).
Herein,
novel
metal–organic
framework
(MOF)
with
planar
asymmetric
N/O
mixed
coordinated
Cu−N
1
O
3
unit
is
constructed,
labeled
as
BIT‐119.
When
applied
RR,
BIT‐119
could
reach
‐to‐C
conversion
C
partial
current
density
ranging
from
36.9
165.0
mA
cm
−2
in
flow
cell.
Compared
typical
symmetric
Cu−O
units,
units
lead
re‐distribution
of
local
electron
structure,
regulating
adsorption
strength
several
adsorbates
following
catalytic
selectivity.
From
experimental
theoretical
analyses,
sites
simultaneously
couple
atop‐type
(on
Cu
site)
bridge‐type
*C
species
conversion.
This
work
broadens
feasible
C−C
coupling
mechanism
frameworks.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 6, 2024
Abstract
The
unstable
electrolyte‐anode
interface,
plagued
by
parasitic
side
reactions
and
uncontrollable
dendrite
growth,
severely
hampers
the
practical
implementation
of
aqueous
zinc‐ion
batteries.
To
address
these
challenges,
we
developed
a
regenerated
cellulose‐based
artificial
interphase
with
synergistically
optimized
structure
surface
chemistry
on
Zn
anode
(RC@Zn),
using
facile
molecular
chain
rearrangement
strategy.
This
RC
features
drastically
increased
amorphous
region
more
exposed
active
hydroxyl
groups,
facilitating
rapid
2+
diffusion
homogeneous
interface
distribution,
thereby
enabling
dendrite‐free
deposition.
Additionally,
compact
texture
abundant
negatively
charged
effectively
shield
water
molecules
harmful
anions,
completely
preventing
H
2
evolution
corrosion.
superior
mechanical
strength
adhesion
also
accommodate
substantial
volume
changes
anodes
even
under
deep
cycling
conditions.
Consequently,
RC@Zn
electrode
demonstrates
an
outstanding
lifespan
over
8000
hours
at
high
current
density
10
mA
cm
−2
.
Significantly,
maintains
stable
90
%
depth
discharge
ensures
operation
full
cells
low
negative/positive
capacity
ratio
1.6.
study
provides
new
solution
to
construct
highly
metal
through
engineering.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 26, 2024
Abstract
The
electroreduction
reaction
of
CO
2
(eCO
RR)
is
considered
an
effective
pathway
for
clean
fuel
production,
greenhouse
gas
reduction,
and
resource
recycling.
Atomically
dispersed
catalysts
exhibit
excellent
catalytic
activity
due
to
the
high
dispersion
atoms,
especially
atomically
copper
(AD
Cu).
Although
copper‐based
materials
are
major
single
component
capable
producing
multi‐carbon
products,
mechanism
usually
not
very
clear.
For
AD
Cu
catalysts,
dynamic
transformation
species
in
form
(nano)clusters,
ions
during
process
significantly
has
effect
on
performance
eCO
RR.
core
issue
that
needs
be
addressed
how
control
tune
aggregation
atoms
make
it
most
favorable
desired
product
or
pathways.
This
review
summarizes
optimization
strategies
recent
years
from
three
main
perspectives:
interface
engineering,
electrode
external
field
coupling.
