Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 25, 2024
Green
hydrogen
plays
a
crucial
role
in
decarbonization
and
the
future
of
low-carbon
society.
Still,
its
transport/distribution
cost
production,
mainly
realized
by
electrolysis,
are
major
hurdles.
Liquid
H2
carriers
reduce
costs
but
add
further
expenses
for
their
production.
To
address
this
challenge,
we
proposed
novel
strategy
electrocatalytic
production
liquid
organic
carrier
with
anodic
valorization
process.
This
review
summarizes
state
art
outlooks
new
concept.
The
process
is
briefly
introduced,
main
components
discussed.
Subsequently,
oxidation
from
to
processes,
together
paired
processes
reactors,
analyzed,
highlighting
challenges
prospects.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
Abstract
Adipic
acid,
an
essential
building
stock
for
polymers,
is
conventionally
synthesized
through
thermal
oxidation
of
ketone−alcohol
oil.
However,
this
process
requires
excessive
nitric
acid
as
oxidants,
causing
the
emission
ozone−depleting
greenhouse
gas
nitrous
oxide.
Herein,
a
photoelectrochemical
(PEC)
strategy
reported
efficient
synthesize
adipic
by
selective
cyclohexanone
(CYC).
High
selectivity
(>90%)
in
wide
potential
window
(from
0.3
to
1.3
V
versus
RHE)
achieved
under
ambient
conditions
based
on
TiO
2
nanorods
array
photoanode
modified
with
nickel
hydroxide
nanosheets
(Ni(OH)
/TiO
).
Experimental
and
theoretical
data
reveal
that
new
Ni
2+
δ
─OH
*
reactive
center
moderate
capacity
situ
generated
Ni(OH)
illumination,
which
abstracts
H
atoms
from
C
α
─H
bonds
CYC
obtain
2−hydroxycyclohexanone
intermediate,
thereby
facilitates
subsequent
C─C
cleavage
produce
acid.
Moreover,
PEC
synthesis
industrial
raw
material
phenol
coupling
cathodic
reduction
photoanodic
demonstrating
sustainable
approach
directly
using
solar
energy.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
Synchronous
electrosynthesis
of
value-added
adipic
acid
(AA)
and
H2
is
extremely
crucial
for
carbon
neutrality.
However,
accomplishing
the
preparation
AA
at
large
current
density
with
high
selectivity
still
challenging.
Herein,
a
robust
Mo-doped
Ni2P@Ni12P5
heterojunction
more
P
vacancies
on
Ni
foam
proposed
simultaneous
electrooxidation
cyclohexanol
(CHAOR)
to
hydrogen
evolution
reaction
(HER)
density.
Combined
X-ray
photoelectron
spectroscopy,
absorption
fine
structure,
electron
spin
resonance
confirm
that
Mo
incorporation
induces
charge
redistribution
Ni2P@Ni12P5,
where
adjusts
electrons
from
P,
triggers
vacancies.
Further
experimental
theoretical
investigations
reveal
d-band
center
upshifted,
optimizing
adsorption
energies
water
electron-rich
site
boosting
HER
activity.
Besides,
Ni3+
generated
electron-deficient
induced
by
Mo,
alongside
OH*
triggered
concurrently
promote
CHA
dehydrogenation
C─C
bond
cleavage,
decreasing
energy
barrier
CHAOR.
Consequently,
two-electrode
flow
electrolyzer
achieves
industrial
(>230
mA
cm-2)
85.7%
yield,
100%
Faradaic
efficiency
production.
This
study
showcases
an
bifunctional
electrocatalyst
production
productivity.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(44)
Published: July 27, 2024
Abstract
Plastic
pollution,
an
increasingly
serious
global
problem,
can
be
addressed
through
the
full
lifecycle
management
of
plastics,
including
plastics
recycling
as
one
most
promising
approaches.
System
design,
catalyst
development,
and
product
separation
are
keys
in
improving
economics
electrocatalytic
recycling.
Here,
a
membrane‐free
co‐production
system
was
devised
to
produce
succinic
acid
(SA)
at
both
anode
cathode
respectively
by
co‐electrolysis
polybutylene
succinate
(PBS)
waste
biomass‐derived
maleic
(MA)
for
first
time.
To
this
end,
Cr
3+
‐Ni(OH)
2
electrocatalyst
featuring
much
enhanced
1,4‐butanediol
(BDO)
oxidation
reaction
(BOR)
activity
has
been
synthesized
role
doped
revealed
“electron
puller”
accelerate
rate‐determining
step
(RDS)
Ni
2+
/Ni
cycling.
Impressively,
extra‐high
SA
production
rate
3.02
g
h
−1
ultra‐high
apparent
Faraday
efficiency
towards
(FE
=181.5
%)
have
obtained.
A
carbon
dioxide‐assisted
sequential
precipitation
approach
developed
high‐purity
byproduct
NaHCO
3
solids.
Preliminary
techno‐economic
analysis
demonstrates
that
reported
is
economically
profitable
future
industrial
applications.
