Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(35)
Опубликована: Июнь 14, 2022
Abstract
The
global
utilization
of
H
2
O
is
currently
around
4
million
tons
per
year
and
expected
to
continue
increase
in
the
future.
mainly
produced
by
anthraquinone
process,
which
involves
multiple
steps
terms
alkylanthraquinone
hydrogenation/oxidation
organic
solvents
liquid–liquid
extraction
.
energy‐intensive
environmentally
unfriendly
process
does
not
meet
requirements
sustainable
low‐carbon
development.
electrocatalytic
two‐electron
(2
e
−
)
oxygen
reduction
reaction
(ORR)
driven
renewable
energy
(e.g.
solar
wind
power)
offers
a
more
economical,
low‐carbon,
greener
route
produce
However,
continuous
decentralized
electrosynthesis
still
poses
many
challenges.
This
Minireview
first
summarizes
development
devices
for
electrosynthesis,
then
introduces
each
component,
assembly
some
optimization
strategies.
Energy & Environmental Science,
Год журнала:
2023,
Номер
17(1), С. 49 - 113
Опубликована: Ноя. 7, 2023
This
perspective
highlights
recent
advancements
in
innovative
strategies
to
provide
valuable
insights
into
the
potential
for
energy-saving
hydrogen
production
through
water
electrolysis.
ACS Catalysis,
Год журнала:
2023,
Номер
13(7), С. 4091 - 4100
Опубликована: Март 9, 2023
The
urea
oxidation
reaction
(UOR)
is
considered
as
an
alternative
to
the
oxygen
evolution
for
high-efficiency
hydrogen
production.
However,
molecule
relatively
complex,
containing
both
electron-donating
amino
(−NH2)
and
electron-withdrawing
carbonyl
(C═O)
groups,
understanding
influence
of
different
functional
groups
on
adsorption
behavior
conducive
rational
design
preparation
high-performance
UOR
catalysts.
Herein,
we
report
a
simple
synthesis
Ni3N/Mo2N
heterostructure
systematic
investigation
urea-assisted
electrolytic
Both
temperature-programmed
desorption
theoretical
calculations
decipher
that
−NH2
C═O
are
more
easily
adsorbed
Ni3N
Mo2N,
respectively.
Meanwhile,
could
combine
enhance
advantages
individual
components,
optimizing
urea.
Besides,
this
also
beneficial
improving
performance.
As
expected,
in
two-electrode
water
electrolyzer
utilizing
bifunctional
catalysts,
production
can
readily
occur
at
evidently
lower
voltage
(1.36
V@10
mA
cm–2),
which
much
than
traditional
electrolysis,
well
7
times
higher
rate
achieved.
Advanced Energy Materials,
Год журнала:
2022,
Номер
12(25)
Опубликована: Май 20, 2022
Abstract
Exploring
advanced
technologies
to
efficiently
produce
green
hydrogen
energy
is
imperative
alleviate
the
crisis
and
environmental
pollution.
Conventional
overall
water
electrolysis
(OWE)
has
been
regarded
as
a
promising
approach
for
effective
H
2
production,
however,
it
largely
restricted
by
sluggish
kinetics
of
anodic
oxygen
evolution
reaction
(OER).
Coupling
kinetically
favorable
reactions,
such
biomass‐derived
compound
oxidation
pollutant
degradation,
with
(HER)
in
hybrid
(HWE),
can
not
only
solve
biomass
recycling
emission
problems
but
also
save
cost
clean
generation.
Hence,
various
earth‐abundant
electrocatalysts
have
developed
catalyze
those
yet
some
tedious
preparation
unsatisfactory
performance
still
exist.
Given
gap
between
research
practical
applications,
this
review
summarizes
recent
progress
diverse
alternative
reactions
over
last
five
years
together
their
application
HWE
systems.
An
in‐depth
understanding
different
mechanisms
assessments
toward
discussed
further
enhance
efficiency.
The
advantages,
differences,
critical
issues
systems
are
thoroughly
well,
providing
new
avenue
low‐voltage
production
from
renewable
resources
waste
products.
JACS Au,
Год журнала:
2022,
Номер
2(5), С. 1054 - 1070
Опубликована: Май 3, 2022
Electrification
is
a
potential
approach
to
decarbonizing
the
chemical
industry.
Electrochemical
processes,
when
they
are
powered
by
renewable
electricity,
have
lower
carbon
footprints
in
comparison
conventional
thermochemical
routes.
In
this
Perspective,
we
discuss
electrochemical
routes
for
production
and
provide
our
views
on
how
processes
can
be
matured
academic
research
laboratories
future
industrial
applications.
We
first
analyze
CO2
emission
manufacturing
industry
conduct
survey
of
state
art
electrosynthesis
methods
three
most
emission-intensive
areas:
petrochemical
production,
nitrogen
compound
metal
smelting.
Then,
identify
technical
bottlenecks
electrifying
productions
from
both
chemistry
engineering
perspectives
propose
strategies
tackle
these
issues.
Finally,
reduce
emissions
with
hope
inspire
more
efforts
manufacturing.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
62(16)
Опубликована: Ноя. 28, 2022
Renewable
H2
production
by
water
electrolysis
has
attracted
much
attention
due
to
its
numerous
advantages.
However,
the
energy
consumption
of
conventional
is
high
and
mainly
driven
kinetically
inert
anodic
oxygen
evolution
reaction.
An
alternative
approach
coupling
different
half-cell
reactions
use
redox
mediators.
In
this
review,
we,
therefore,
summarize
latest
findings
on
innovative
electrochemical
strategies
for
production.
First,
we
address
mediators
utilized
in
splitting,
including
soluble
insoluble
species,
corresponding
cell
concepts.
Second,
discuss
involving
organic
inorganic
chemical
transformations.
Then,
at
both
cathode
anode,
or
even
together
with
electricity
generation,
presented.
Finally,
remaining
challenges
prospects
future
development
research
field
are
highlighted.
Advanced Energy Materials,
Год журнала:
2022,
Номер
13(4)
Опубликована: Дек. 15, 2022
Abstract
Water
electrolysis,
driven
by
renewable
energy
resources,
is
a
promising
conversion
technology
that
has
gained
intensive
interest
in
recent
years.
However,
conventional
water
electrolysis
faces
number
of
challenges,
including
large
thermodynamic
potential
gaps,
valueless
anodic
products,
explosive
hydrogen/oxygen
mixtures,
reactive
oxygen
species,
and
limited
pure
water.
Hybrid
appending
different
electrolytes
the
anode
compartment
to
circumvent
above‐mentioned
challenges
particularly
attractive
alternative.
In
this
review,
for
first
time,
holistic
subtle
description
hybrid
provided,
focusing
on
design
high‐activity/selectivity/stability
electrocatalysts
electrochemical
oxidation
various
chemicals,
such
as
alcohol,
aldehyde,
amine,
urea
hydrazine,
or
evolution
reaction
seawater
electrolytes.
Comprehensive
judging
criteria
reactions,
electrocatalysts,
parameters
are
discussed.
Some
technoeconomic
assessments,
feasibility
analyses,
mechanism
explorations,
correlation
comparisons
involved.
Finally,
perspectives
opportunities
future
research
directions
systems
outlined.
Nature Communications,
Год журнала:
2022,
Номер
13(1)
Опубликована: Окт. 4, 2022
Abstract
Many
biomass
intermediates
are
polyols
and
selectively
oxidizing
only
a
primary
or
secondary
alcohol
group
is
beneficial
for
the
valorization
of
these
intermediates.
For
example,
production
1,3-dihydroxyacetone,
highly
valuable
oxidation
product
glycerol,
requires
selective
oxidation.
However,
challenging
due
to
its
steric
disadvantage.
This
study
demonstrates
that
NiOOH,
which
oxidizes
alcohols
via
two
dehydrogenation
mechanisms,
hydrogen
atom
transfer
hydride
transfer,
can
convert
glycerol
1,3-dihydroxyacetone
with
high
selectivity
when
conditions
controlled
promote
favoring
rational
achieved
by
enabling
one
desired
pathway,
without
requiring
alteration
catalyst
composition,
how
comprehensive
mechanistic
understanding
enable
predictive
control
over
selectivity.
