Abstract
Hydrogen
has
garnered
considerable
attention
as
an
environmentally
friendly
due
to
its
sustainability
and
exceptional
energy
density,
surpassing
other
chemical
fuels.
For
H
2
production,
electrochemical
water
splitting
is
economically
viable
eco‐friendly
method.
Developing
well‐organized
electrocatalysts
for
pivotal
in
enabling
long‐term
hydrogen
the
critical
component
transition
toward
a
cleaner
more
sustainable
landscape.
During
last
decades,
aid
oxygen
evolution
reactions,
numerous
tungsten
carbide‐based
have
been
established.
WC
developed
promising
candidate
electrolytic
generation.
This
review
first
explores
historical
background
fundamental
mechanisms
underlying
subsequently
investigates
field
of
WC‐based
electrocatalysts.
Furthermore,
both
HER
OER,
thorough
analysis
examines
electrocatalytic
performance
based
on
WC.
Finally,
it
discusses
challenges
prospects
developing
OER
HER,
shedding
light
their
potential
contributions
Chemical Society Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
This
review
examines
the
strategies
of
symmetry
breaking
(charge/coordination/geometric)
in
single-atom
catalysts
to
regulate
active
site
electronic
structures,
greatly
enhancing
catalytic
performance.
Advanced Materials,
Год журнала:
2023,
Номер
35(38)
Опубликована: Июнь 9, 2023
Abstract
Among
the
platinum‐group
metals,
ruthenium
(Ru),
with
a
low
water
dissociation
energy,
is
considered
promising
alternative
to
substitute
Pt
for
catalyzing
hydrogen
evolution
reaction
(HER).
However,
optimizing
adsorption–desorption
energies
of
H
*
and
OH
intermediates
on
Ru
catalytic
sites
extremely
desirable
but
remains
challenging.
Inspired
by
natural
characteristics
Mn‐oxygen
complex,
this
study
reports
design
compounds
coordinated
(MOC‐Ru)
deprotonated
oxophilic
microenvironments
modulating
promote
HER
kinetics.
Benefiting
from
unique
advantages
MOC
structures,
including
weakened
HOH
bond
at
interface,
electron
donation
ability,
deprotonation
capability,
MOC‐Ru
exhibits
overpotential
ultralong
stability
in
both
acidic
alkaline
electrolytes.
Experimental
observations
theoretical
calculations
elucidate
that
can
accelerate
kinetics
desorption
conditions
trigger
long‐range
spillover
2
‐release
acid
conditions.
The
outstanding
activity
membrane
electrolyzer
display
catalyst
holds
great
potential
as
cathode
‐production.
This
provides
essential
insights
into
crucial
roles
catalysis
offers
new
pathway
create
an
efficient
water‐splitting
cathode.
SusMat,
Год журнала:
2023,
Номер
4(1), С. 106 - 115
Опубликована: Окт. 19, 2023
Abstract
Ruthenium
(Ru)
has
been
recognized
as
a
prospective
candidate
to
substitute
platinum
catalysts
in
water‐splitting‐based
hydrogen
production.
However,
minimizing
the
Ru
contents,
optimizing
water
dissociation
energy
of
sites,
and
enhancing
long‐term
stability
are
extremely
required,
but
still
face
great
challenge.
Here,
we
report
on
creating
tungsten
oxide‐anchored
clusters
(Ru–WO
x
)
with
electron‐rich
anti‐corrosive
microenvironments
for
efficient
robust
seawater
splitting.
Benefiting
from
abundant
oxygen
vacancy
structure
oxide
support,
Ru–WO
exhibits
strong
Ru–O
Ru–W
bonds
at
interface.
Our
study
elucidates
that
may
accelerate
kinetics,
will
lead
metal–support
interaction
electrons
transfer
W
Ru.
The
optimal
exhibit
low
overpotential
29
218
mV
current
density
10
mA
cm
−2
alkaline
media,
respectively.
outstanding
discloses
own
corrosion
resistance
electrolysis.
We
believe
this
work
offers
new
insights
into
essential
roles
Ru‐based
provide
pathway
design
cathodes
ACS Catalysis,
Год журнала:
2024,
Номер
14(10), С. 7907 - 7916
Опубликована: Май 6, 2024
Electrochemical
nitrate
reduction
(NO3RR)
offers
an
ecofriendly
way
for
ammonia
production.
However,
improving
the
sluggish
kinetics
of
such
a
multistep
reaction
still
remains
challenging.
Herein,
asymmetry
strategy
is
proposed
to
adjust
charge
distribution
active
centers
on
metallene
by
presenting
novel
symmetry-broken
medium-entropy-alloy
(MEA)
via
heteroatom
alloying.
Benefiting
from
maximized
exposure
well-regulated
sites,
proof-of-concept
PdCuCo
MEA
delivers
near
100%
NH3
Faradaic
efficiency
in
both
neutral
and
alkaline
electrolytes,
along
with
record-high
yield
rate
over
532.5
mg
h–1
mgcat–1.
Moreover,
it
enables
99.7%
conversion
industrial
wastewater
level
6200
ppm
drinkable
water
level.
Detailed
studies
further
revealed
that
redistribution
induced
elemental
electronegativity
difference
metallene,
which
will
weaken
N–O
bond
*NO,
thus
reducing
energy
barrier
rate-determining
step.
Meanwhile,
competitive
HER
formation
NO2–
are
also
hindered.
We
believe
our
this
work
shed
light
design
efficient
NO3RR
catalysts
more
practical
Chemical Reviews,
Год журнала:
2024,
Номер
124(20), С. 11348 - 11434
Опубликована: Окт. 9, 2024
Environmental
catalysis
has
emerged
as
a
scientific
frontier
in
mitigating
water
pollution
and
advancing
circular
chemistry
reaction
microenvironment
significantly
influences
the
catalytic
performance
efficiency.
This
review
delves
into
engineering
within
liquid-phase
environmental
catalysis,
categorizing
microenvironments
four
scales:
atom/molecule-level
modulation,
nano/microscale-confined
structures,
interface
surface
regulation,
external
field
effects.
Each
category
is
analyzed
for
its
unique
characteristics
merits,
emphasizing
potential
to
enhance
efficiency
selectivity.
Following
this
overview,
we
introduced
recent
advancements
advanced
material
system
design
promote
(e.g.,
purification,
transformation
value-added
products,
green
synthesis),
leveraging
state-of-the-art
technologies.
These
discussions
showcase
was
applied
different
reactions
fine-tune
regimes
improve
from
both
thermodynamics
kinetics
perspectives.
Lastly,
discussed
challenges
future
directions
engineering.
underscores
of
intelligent
materials
drive
development
more
effective
sustainable
solutions
decontamination.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(40)
Опубликована: Март 21, 2024
Abstract
Direct
seawater
hydrogen
production
via
electrolysis
would
be
a
transformative
technology
for
large‐scale
pathways
future
sustainable
energy
systems.
However,
prohibiting
the
formation
of
insoluble
hydroxides
and
promoting
proton
supply
at
electrode‐seawater
interface
are
extremely
desirable
but
remain
challenging.
Herein,
inspired
by
dual‐metal
pair
sites
in
natural
enzyme,
de
novo
design
an
efficient,
robust,
precise
electron‐donating
Cu‐modulated
ruthenium
clusters
on
porous
carbon
matrix
(Cu@Ru
nc
‐C)
is
reported
as
high
anti‐poisoning
cathode
material
superior
direct
production.
Benefitting
from
unique
Cu@Ru
sites,
exhibits
particularly
evolution
activities
with
ultralow
overpotentials
to
reach
current
density
300
mA
cm
−2
both
alkaline
(115
mV)
(459
electrolytes,
notably,
can
maintain
long‐lasting
stability
electrolysis.
The
mechanism
exploration
demonstrates
that
low
oxophilic
fast
proton‐transferring
local
reaction
environments
prohibit
precipitates
provide
efficient
within
interface.
It
expected
proposed
bioinspired
regulation
strategy
offers
new
pathway
constructing
selective
materials
scalable
Catalysts,
Год журнала:
2024,
Номер
14(1), С. 57 - 57
Опубликована: Янв. 12, 2024
An
oxygen
reduction
reaction
(ORR)
is
the
key
half
of
proton
exchange
membrane
fuel
cells
(PEMFCs),
and
highly
dependent
on
Pt-based
nanocrystals
as
core
electrocatalysts.
Despite
exceptional
ORR
activity
from
adjusting
electronic
structures
surface
or
near-surface
atoms,
several
serious
issues,
including
corrosion
carbon
supports,
preferential
leaching
active
metal
elements,
instability
low-coordinated
atoms
sintering/agglomeration
nanocrystals,
still
exist,
challenging
durability
developed
catalysts.
From
point
view
catalyst
structure
design,
in
this
review,
we
summarized
state-of-the-art
structural
regulation
strategies
for
improving
The
current
limitation
binary
catalysts
electrocatalysis
firstly
discussed,
detailed
are
further
classified
into
optimization
metal-doped
alloys,
core/shell
structures,
intermetallics
high-entropy
etc.
structure–performance
relationship
detailedly
explained,
especially
emphasizing
elimination
above
restrictions.
Finally,
existing
challenges
future
research
direction
presented,
aiming
at
practicing
PEMFC
devices
ultradurable
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(15), С. 5336 - 5364
Опубликована: Янв. 1, 2024
Producing
deeply
reduced
(>2
e
−
per
carbon
atom)
products
from
the
electrochemical
CO
2
reduction
reaction
on
non-Cu-based
catalysts
is
an
attractive
and
sustainable
approach
for
utilization.
