Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 4, 2024
Abstract
Electrochemical
flow
cells
based
on
gas
diffusion
electrodes
(GDEs)
provide
a
potential
means
to
achieve
industrial‐compatible
massive
CO
production.
However,
the
application
of
is
hindered
by
stability
issue
caused
GDE
hydrophilizing
and
electrolyte
flooding.
The
current
strategies
have
certain
limitations
in
maintaining
long‐term
hydrophobicity
GDE.
Inspired
superhydrophobic
materials
nature,
here
constructionally
engineered
presented
for
boosting
2
reduction
under
densities.
This
comprised
micro/nano‐structured
CNTs/graphene
composites
with
abundant
robust
single‐atomic
Ni‐N
x
active
sites
(Ni
SA
‐CNT@G).
unique
integrated
hierarchical
structure
highly
exposed
surface
area
enhanced
mass/charge
transfer
contributes
an
industrial‐scale
partial
density
406.5
mA
cm
−2
FE
96.3%
cell
.
Notably,
micro/nanostructure
efficiently
resists
flooding
over
during
RR,
thus
stable
three‐phase
interface.
Over
70
h
demonstrated
at
300
These
results
open
up
new
opportunities
industrial‐level
production
via
electrochemical
RR.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Feb. 19, 2025
Abstract
Acidic
electrochemical
CO
2
conversion
is
a
promising
alternative
to
overcome
the
low
utilization.
However,
over-reliance
on
highly
concentrated
K
+
inhibit
hydrogen
evolution
reaction
also
causes
(bi)carbonate
precipitation
interfere
with
catalytic
performance.
In
this
work,
under
screening
and
guidance
of
computational
simulations,
we
present
carbon
coated
tip-like
O
3
electrocatalyst
for
stable
efficient
acidic
synthesize
formic
acid
(HCOOH)
concentration.
The
layer
protects
oxidized
species
higher
intrinsic
activity
from
reductive
corrosion,
peripherally
formulates
tip-induced
electric
field
regulate
adverse
H
attraction
desirable
enrichment.
an
electrolyte
at
pH
0.94,
only
0.1
M
required
achieve
Faradaic
efficiency
(FE)
98.9%
300
mA
cm
−2
HCOOH
long-time
stability
over100
h.
By
up-scaling
electrode
into
25
electrolyzer
setup,
total
current
7
A
recorded
sustain
durable
production
291.6
mmol
L
−1
h
.
Processes,
Journal Year:
2024,
Volume and Issue:
12(2), P. 303 - 303
Published: Jan. 31, 2024
Given
the
environmental
problems
caused
by
burning
fossil
fuels,
it
is
believed
that
converting
carbon
dioxide
(CO2)
into
chemical
inputs
a
great
ally
to
generating
clean
energy.
In
this
way,
investigative
studies
related
electrochemical
CO2
reduction
(CO2RE)
concerning
behavior
of
metal
catalysts
have
received
attention
about
processes
involved.
CO2RE
can
be
an
important
tool
mitigate
presence
gas
in
Earth’s
atmosphere.
these
considerations,
review,
we
report
main
used
act
as
CO2RE.
Among
them,
emphasize
based
on
Ni,
Zn,
and
Cu,
which
encompass
properties
conversion
CO2.
Regarding
Cu-based
catalyst,
presents
high
efficiency
but
low
selectivity.
Furthermore,
also
describe
mechanisms
The
conversion
of
CO2
into
value-added
chemicals
and
fuels
using
stable,
cost-effective,
eco-friendly
metal-free
catalysts
is
a
promising
technology
to
mitigate
the
global
environmental
crisis.
In
Calvin
cycle
natural
photosynthesis,
reduction
(CO2R)
achieved
cofactor
NADPH
as
reducing
agent
through
2e–/1H+
or
H–
transfer.
Consequently,
inspired
by
NAD(P)H,
series
organohydrides
with
adjustable
reducibility
show
remarkable
potential
for
efficient
CO2R.
this
review,
we
first
summarize
photosensitizers
NAD(P)H
regeneration
list
representative
photoenzyme
CO2R
system.
Then,
introduce
NAD(P)H-inspired
their
applications
in
redox
reactions.
Furthermore,
discuss
recent
progress
breakthroughs
utilizing
catalysts.
Moreover,
delve
reaction
mechanisms
these
organohydrides,
shedding
light
on
sustainable
alternatives
metal-based
Finally,
offer
insights
prospects
directions
advancing
intriguing
avenue
organohydride-based
