Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 10, 2024
Abstract
Electrocatalytic
water
splitting
driven
by
sustainable
energy
is
a
clean
and
promising
water‐chemical
fuel
conversion
technology
for
the
production
of
high‐purity
green
hydrogen.
However,
sluggish
kinetics
anodic
oxygen
evolution
reaction
(OER)
pose
challenges
large‐scale
hydrogen
production,
limiting
its
efficiency
safety.
Recently,
OER
has
been
replaced
nucleophilic
oxidation
(NOR)
with
biomass
as
substrate
coupled
(HER),
which
attracted
great
interest.
Anode
NOR
offers
faster
kinetics,
generates
high‐value
products,
reduces
consumption.
By
coupling
reaction,
can
be
enhanced
while
yielding
products
or
degrading
pollutants.
Therefore,
NOR‐coupled
HER
another
new
electrolytic
strategy
after
significance
realizing
development
global
decarbonization.
This
review
explores
potential
reactions
an
alternative
to
delves
into
mechanisms,
guiding
future
research
in
production.
It
assesses
different
methods,
analyzing
pathways
catalyst
effects.
Furthermore,
it
evaluates
role
electrolyzers
industrialized
discusses
prospects
challenges.
comprehensive
aims
advance
efficient
economical
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(7), P. 3694 - 3812
Published: March 22, 2024
Electrocatalytic
water
splitting
driven
by
renewable
electricity
has
been
recognized
as
a
promising
approach
for
green
hydrogen
production.
Different
from
conventional
strategies
in
developing
electrocatalysts
the
two
half-reactions
of
(e.g.,
and
oxygen
evolution
reactions,
HER
OER)
separately,
there
growing
interest
designing
bifunctional
electrocatalysts,
which
are
able
to
catalyze
both
OER.
In
addition,
considering
high
overpotentials
required
OER
while
limited
value
produced
oxygen,
is
another
rapidly
exploring
alternative
oxidation
reactions
replace
hybrid
toward
energy-efficient
generation.
This
Review
begins
with
an
introduction
on
fundamental
aspects
splitting,
followed
thorough
discussion
various
physicochemical
characterization
techniques
that
frequently
employed
probing
active
sites,
emphasis
reconstruction
during
redox
electrolysis.
The
design,
synthesis,
performance
diverse
based
noble
metals,
nonprecious
metal-free
nanocarbons,
overall
acidic
alkaline
electrolytes,
thoroughly
summarized
compared.
Next,
their
application
also
presented,
wherein
anodic
include
sacrificing
agents
oxidation,
pollutants
oxidative
degradation,
organics
upgrading.
Finally,
concise
statement
current
challenges
future
opportunities
presented
hope
guiding
endeavors
quest
sustainable
Energy & Environmental Science,
Journal Year:
2023,
Volume and Issue:
17(1), P. 49 - 113
Published: Nov. 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.
Science Advances,
Journal Year:
2023,
Volume and Issue:
9(42)
Published: Oct. 18, 2023
The
limited
availability
of
freshwater
in
renewable
energy-rich
areas
has
led
to
the
exploration
seawater
electrolysis
for
green
hydrogen
production.
However,
complex
composition
presents
substantial
challenges
such
as
electrode
corrosion
and
electrolyzer
failure,
calling
into
question
technological
economic
feasibility
direct
splitting.
Despite
many
efforts,
a
comprehensive
overview
analysis
electrolysis,
including
electrochemical
fundamentals,
materials,
technologies
recent
breakthroughs,
is
still
lacking.
In
this
review,
we
systematically
examine
advances
electrocatalytic
splitting
critically
evaluate
obstacles
optimizing
water
supply,
devices
stable
production
from
seawater.
We
demonstrate
that
robust
materials
innovative
technologies,
especially
selective
catalysts
high-performance
devices,
are
critical
efficient
electrolysis.
then
outline
discuss
future
directions
could
advance
techno-economic
emerging
field,
providing
roadmap
toward
design
commercialization
can
enable
efficient,
cost-effective,
sustainable
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(16)
Published: March 9, 2023
Abstract
Solar‐driven
water
electrolysis
has
been
considered
to
be
a
promising
route
produce
green
hydrogen,
because
the
conventional
system
is
not
completely
renewable
as
it
requires
power
from
nonrenewable
fossil
fuel
sources.
This
review
emphasizes
strategies
for
solar‐driven
electrolysis,
including
construction
of
photovoltaic
(PV)‐water
electrolyzer
systems,
PV‐rechargeable
energy
storage
device‐water
systems
with
solar
sole
input
energy,
and
photoelectrochemical
splitting
systems.
The
basic
discussions
above
are
first
presented.
Meanwhile,
replacing
oxygen
evolution
reaction
electrooxidation
organic
compounds
can
effectively
improve
efficiency
splitting.
Also,
seawater
greatly
broadens
practical
applications
due
abundant
reserves
seawater.
Recent
years
have
witnessed
great
development
in
field
electrolysis.
recent
research
area
subsequently
reviewed.
Finally,
perspectives
on
existing
challenges
along
some
opportunities
further
provided.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(4)
Published: Oct. 10, 2023
Abstract
As
one
of
the
most
promising
approaches
to
producing
high‐purity
hydrogen
(H
2
),
electrochemical
water
splitting
powered
by
renewable
energy
sources
such
as
solar,
wind,
and
hydroelectric
power
has
attracted
considerable
interest
over
past
decade.
However,
electrolysis
process
is
seriously
hampered
sluggish
electrode
reaction
kinetics,
especially
four‐electron
oxygen
evolution
at
anode
side,
which
induces
a
high
overpotential.
Currently,
emerging
hybrid
strategy
proposed
integrating
thermodynamically
favorable
electro–oxidation
reactions
with
cathode,
providing
new
opportunity
for
energy–efficient
H2
production.
To
achieve
highly
efficient
cost–effective
toward
large–scale
practical
H
production,
much
work
been
continuously
done
exploit
alternative
anodic
oxidation
cutting–edge
electrocatalysts.
This
review
will
focus
on
recent
developments
production
coupled
reactions,
including
choice
substrates,
investigation
electrocatalytic
materials,
deep
understanding
underlying
mechanisms.
Finally,
some
insights
into
scientific
challenges
now
standing
in
way
future
advancement
technique
are
shared,
hope
inspiring
further
innovative
efforts
this
rapidly
growing
field.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(31)
Published: June 27, 2023
Abstract
Directly
seawater
electrolysis
would
be
a
transformative
technology
for
large‐scale
carbon‐neutral
hydrogenproduction
without
relying
on
pure
water.
However,
current
splitting
is
challenged
by
detrimental
chlorine
chemistry,
the
sluggish
kinetics,
and
existence
of
impurities/precipitates,
making
it
more
difficult
than
water
splitting.
So
far,
tremendous
efforts
have
been
made
to
develop
electrocatalysts
boost
electrocatalytic
hydrogen
evolution
reaction
(HER)
oxygen
(OER)
activities
seawater‐based
electrolyzers.
To
get
further
insights
into
achievements
future
perspectives
catalysts
electrolysis,
general
principles
are
summarized
comprehensive
optimization,
ranging
from
active
sites,
electrochemical
interface,
electron
transfer
path,
fully
improve
performance
electrolysis.
Then,
aiming
at
different
challenges
cathode
anode
unique
strategies
design
effective
cathodic
anodic
catalysts,
such
pH
criterion,
selective
HER/OER,
Cl
−
blocking
layers,
discussed,
respectively.
Also,
several
fields
which
worthy
exploration
as
rational
extensions
developing
toward
practical
applications
put
forward.
