Advanced Energy Materials,
Journal Year:
2018,
Volume and Issue:
8(11)
Published: Jan. 29, 2018
Abstract
Hydrogen
is
a
promising
alternative
fuel
for
efficient
energy
production
and
storage,
with
water
splitting
considered
one
of
the
most
clean,
environmentally
friendly,
sustainable
approaches
to
generate
hydrogen.
However,
meet
industrial
demands
electrolysis‐generated
hydrogen,
development
low‐cost
catalyst
oxygen
evolution
reaction
(OER)
critical,
while
conventional
catalysts
are
mostly
based
on
precious
metals.
Many
studies
have
thus
focused
exploring
new
nonprecious‐metal
catalytic
systems
improving
understandings
OER
mechanism,
resulting
in
design
superior
activity
compared
that
catalysts.
In
particular,
use
multimetal
rather
than
single‐metal
demonstrated
yield
remarkable
performance
improvement,
as
metal
composition
these
can
be
tailored
modify
intrinsic
properties
affecting
OER.
Herein,
recent
progress
accomplishments
systems,
including
several
important
groups
catalysts:
layered
hydroxide,
spinel,
amorphous
oxides
along
theoretical
principles
enhancement
reviewed.
Finally,
this
concluded
by
discussing
remaining
challenges
achieve
further
improvements
activities.
Chemical Reviews,
Journal Year:
2017,
Volume and Issue:
117(9), P. 6225 - 6331
Published: March 17, 2017
Since
the
discovery
of
mechanically
exfoliated
graphene
in
2004,
research
on
ultrathin
two-dimensional
(2D)
nanomaterials
has
grown
exponentially
fields
condensed
matter
physics,
material
science,
chemistry,
and
nanotechnology.
Highlighting
their
compelling
physical,
chemical,
electronic,
optical
properties,
as
well
various
potential
applications,
this
Review,
we
summarize
state-of-art
progress
2D
with
a
particular
emphasis
recent
advances.
First,
introduce
unique
advances
nanomaterials,
followed
by
description
composition
crystal
structures.
The
assortments
synthetic
methods
are
then
summarized,
including
insights
advantages
limitations,
alongside
some
recommendations
suitable
characterization
techniques.
We
also
discuss
detail
utilization
these
for
wide
ranges
applications
among
electronics/optoelectronics,
electrocatalysis,
batteries,
supercapacitors,
solar
cells,
photocatalysis,
sensing
platforms.
Finally,
challenges
outlooks
promising
field
featured
basis
its
current
development.
Science,
Journal Year:
2018,
Volume and Issue:
360(6390), P. 783 - 787
Published: May 17, 2018
Carbon
dioxide
(CO2)
electroreduction
could
provide
a
useful
source
of
ethylene,
but
low
conversion
efficiency,
production
rates,
and
catalyst
stability
limit
current
systems.
Here
we
report
that
copper
electrocatalyst
at
an
abrupt
reaction
interface
in
alkaline
electrolyte
reduces
CO2
to
ethylene
with
70%
faradaic
efficiency
potential
-0.55
volts
versus
reversible
hydrogen
electrode
(RHE).
Hydroxide
ions
on
or
near
the
surface
lower
reduction
carbon
monoxide
(CO)-CO
coupling
activation
energy
barriers;
as
result,
onset
evolution
-0.165
RHE
10
molar
potassium
hydroxide
occurs
almost
simultaneously
CO
production.
Operational
was
enhanced
via
introduction
polymer-based
gas
diffusion
layer
sandwiches
between
separate
hydrophobic
conductive
supports,
providing
constant
selectivity
for
initial
150
operating
hours.
Advanced Materials,
Journal Year:
2016,
Volume and Issue:
28(42), P. 9266 - 9291
Published: Aug. 29, 2016
Increasing
energy
demands
and
environment
awareness
have
promoted
extensive
research
on
the
development
of
alternative
conversion
storage
technologies
with
high
efficiency
environmental
friendliness.
Among
them,
water
splitting
is
very
appealing,
receiving
more
attention.
The
critical
challenge
this
renewable-energy
technology
to
expedite
oxygen
evolution
reaction
(OER)
because
its
slow
kinetics
large
overpotential.
Therefore,
developing
efficient
electrocatalysts
catalytic
activities
great
importance
for
high-performance
splitting.
In
past
few
years,
much
effort
has
been
devoted
OER
based
transition-metal
elements
that
are
low-cost,
highly
efficient,
excellent
stability.
Here,
recent
progress
design,
synthesis,
application
elements,
including
Co,
Ni,
Fe,
summarized,
some
invigorating
perspectives
future
developments
provided.
Advanced Materials,
Journal Year:
2019,
Volume and Issue:
32(3)
Published: April 1, 2019
Abstract
Electrochemical
water
splitting
is
a
promising
technology
for
sustainable
conversion,
storage,
and
transport
of
hydrogen
energy.
Searching
earth‐abundant
hydrogen/oxygen
evolution
reaction
(HER/OER)
electrocatalysts
with
high
activity
durability
to
replace
noble‐metal‐based
catalysts
plays
paramount
importance
in
the
scalable
application
electrolysis.
A
freestanding
electrode
architecture
highly
attractive
as
compared
conventional
coated
powdery
form
because
enhanced
kinetics
stability.
Herein,
recent
progress
developing
transition‐metal‐based
HER/OER
electrocatalytic
materials
reviewed
selected
examples
chalcogenides,
phosphides,
carbides,
nitrides,
alloys,
phosphates,
oxides,
hydroxides,
oxyhydroxides.
Focusing
on
self‐supported
electrodes,
latest
advances
their
structural
design,
controllable
synthesis,
mechanistic
understanding,
strategies
performance
enhancement
are
presented.
Remaining
challenges
future
perspectives
further
development
also
discussed.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
33(31)
Published: June 12, 2021
Abstract
Hydrogen
economy
has
emerged
as
a
very
promising
alternative
to
the
current
hydrocarbon
economy,
which
involves
process
of
harvesting
renewable
energy
split
water
into
hydrogen
and
oxygen
then
further
utilization
clean
fuel.
The
production
by
electrolysis
is
an
essential
prerequisite
with
zero
carbon
emission.
Among
various
technologies,
alkaline
splitting
been
commercialized
for
more
than
100
years,
representing
most
mature
economic
technology.
Here,
historic
development
overviewed,
several
critical
electrochemical
parameters
are
discussed.
After
that,
advanced
nonprecious
metal
electrocatalysts
that
recently
negotiating
evolution
reaction
(OER)
(HER)
discussed,
including
transition
oxides,
(oxy)hydroxides,
chalcogenides,
phosphides,
nitrides
OER,
well
alloys,
carbides
HER.
In
this
section,
particular
attention
paid
catalyst
synthesis,
activity
stability
challenges,
performance
improvement,
industry‐relevant
developments.
Some
recent
works
about
scaled‐up
novel
electrode
designs,
seawater
also
spotlighted.
Finally,
outlook
on
future
challenges
opportunities
offered,
potential
directions
speculated.
Angewandte Chemie International Edition,
Journal Year:
2016,
Volume and Issue:
55(23), P. 6702 - 6707
Published: April 21, 2016
Abstract
To
achieve
sustainable
production
of
H
2
fuel
through
water
splitting,
low‐cost
electrocatalysts
for
the
hydrogen‐evolution
reaction
(HER)
and
oxygen‐evolution
(OER)
are
required
to
replace
Pt
IrO
catalysts.
Herein,
first
time,
we
present
interface
engineering
novel
MoS
/Ni
3
S
heterostructures,
in
which
abundant
interfaces
formed.
For
OER,
such
heterostructures
show
an
extremely
low
overpotential
ca.
218
mV
at
10
mA
cm
−2
,
is
superior
that
state‐of‐the‐art
OER
electrocatalysts.
Using
as
bifunctional
electrocatalysts,
alkali
electrolyzer
delivers
a
current
density
very
cell
voltage
1.56
V.
In
combination
with
DFT
calculations,
this
study
demonstrates
constructed
synergistically
favor
chemisorption
hydrogen
oxygen‐containing
intermediates,
thus
accelerating
overall
electrochemical
splitting.
Energy & Environmental Science,
Journal Year:
2018,
Volume and Issue:
11(4), P. 744 - 771
Published: Jan. 1, 2018
To
avoid
unnoticed
errors
made
by
researchers
who
are
working
in
the
area
of
nanostructured
materials
for
water
splitting,
correct
and
precise
use
evaluation
parameters
is
discussed
detail,
stating
their
acceptability
validity.
Journal of Materials Chemistry A,
Journal Year:
2016,
Volume and Issue:
4(45), P. 17587 - 17603
Published: Jan. 1, 2016
This
review
summarizes
recent
research
progress
and
perspectives
on
noble-metal-free
bifunctional
heterogeneous
electrocatalysts
towards
hydrogen
oxygen
evolution
reactions
in
overall
water
splitting.