Industrial & Engineering Chemistry Research,
Journal Year:
2018,
Volume and Issue:
57(6), P. 2165 - 2177
Published: Jan. 19, 2018
The
electrochemical
reduction
of
carbon
dioxide
(CO2)
has
received
significant
attention
in
academic
research,
although
the
techno-economic
prospects
technology
for
large-scale
production
chemicals
are
unclear.
In
this
work,
we
briefly
reviewed
current
state-of-the-art
CO2
figures
merit,
and
performed
an
economic
analysis
to
calculate
end-of-life
net
present
value
(NPV)
a
generalized
electrolyzer
system
100
tons/day
various
products.
Under
conditions,
monoxide
formic
acid
were
only
economically
viable
products
with
NPVs
$13.5
million
$39.4
million,
respectively.
However,
higher-order
alcohols,
such
as
ethanol
n-propanol,
could
be
highly
promising
under
future
conditions
if
reasonable
electrocatalytic
performance
benchmarks
achieved
(e.g.,
300
mA/cm2
0.5
V
overpotential
at
70%
Faradaic
efficiency).
Herein,
established
targets
that
these
achieved,
fuels
can
become
profitable
option
part
growing
renewable
energy
infrastructure.
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.
Advanced Functional Materials,
Journal Year:
2016,
Volume and Issue:
26(26), P. 4661 - 4672
Published: April 9, 2016
A
recent
approach
for
solar‐to‐hydrogen
generation
has
been
water
electrolysis
using
efficient,
stable,
and
inexpensive
bifunctional
electrocatalysts
within
strong
electrolytes.
Herein,
the
direct
growth
of
1D
NiCo
2
S
4
nanowire
(NW)
arrays
on
a
3D
Ni
foam
(NF)
is
described.
This
NW/NF
array
functions
as
an
efficient
electrocatalyst
overall
splitting
with
excellent
activity
stability.
The
3D‐Ni
facilitates
directional
growth,
exposing
more
active
sites
catalyst
electrochemical
reactions
at
electrode–electrolyte
interface.
binder‐free,
self‐made
electrode
delivers
hydrogen
production
current
density
10
mA
cm
–2
overpotential
260
mV
oxygen
evolution
reaction
210
(versus
reversible
electrode)
in
1
m
KOH.
highly
stable
enables
preparation
alkaline
electrolyzer
that
could
deliver
under
cell
voltage
1.63
V.
Because
nonprecious‐metal
foam‐based
electrodes
afford
vigorous
continuous
both
H
O
1.68
V,
generated
solar
panel,
they
appear
to
be
promising
devices
large‐scale
generation.
ACS Energy Letters,
Journal Year:
2016,
Volume and Issue:
1(3), P. 589 - 594
Published: Aug. 9, 2016
The
hydrogen
evolution
reaction
(HER)
is
an
important
energy
conversion
process
that
underpins
many
clean
technologies
including
water
splitting.
Herein,
we
report
for
the
first
time
application
of
two-dimensional
(2D)
layered
transition
metal
carbides,
MXenes,
as
electrocatalysts
HER.
Our
computational
screening
study
2D
M2XTx
(M
=
metal;
X
(C,
N);
and
Tx
surface
functional
groups)
predicts
Mo2CTx
to
be
active
catalyst
candidate
We
synthesized
both
Ti2CTx
in
agreement
with
our
theoretical
predictions,
was
found
exhibit
far
higher
HER
activity
than
Ti2CTx.
Theory
suggests
basal
planes
are
catalytically
toward
HER,
unlike
case
widely
studied
MoS2,
which
only
edge
sites
2H
phase
active.
This
work
paves
way
development
novel
materials
can
applied
a
multitude
other
reactions
sustainable
future.
Energy & Environmental Science,
Journal Year:
2015,
Volume and Issue:
8(5), P. 1594 - 1601
Published: Jan. 1, 2015
Doping
single-atom
metals
into
MoS2
matrix
can
efficiently
trigger
the
electrocatalytic
hydrogen
evolution
activity
of
inert
S
atoms
on
2D
surface
and
meanwhile
enhance
catalytic
stability
anti-poison
ability.
Industrial & Engineering Chemistry Research,
Journal Year:
2018,
Volume and Issue:
57(6), P. 2165 - 2177
Published: Jan. 19, 2018
The
electrochemical
reduction
of
carbon
dioxide
(CO2)
has
received
significant
attention
in
academic
research,
although
the
techno-economic
prospects
technology
for
large-scale
production
chemicals
are
unclear.
In
this
work,
we
briefly
reviewed
current
state-of-the-art
CO2
figures
merit,
and
performed
an
economic
analysis
to
calculate
end-of-life
net
present
value
(NPV)
a
generalized
electrolyzer
system
100
tons/day
various
products.
Under
conditions,
monoxide
formic
acid
were
only
economically
viable
products
with
NPVs
$13.5
million
$39.4
million,
respectively.
However,
higher-order
alcohols,
such
as
ethanol
n-propanol,
could
be
highly
promising
under
future
conditions
if
reasonable
electrocatalytic
performance
benchmarks
achieved
(e.g.,
300
mA/cm2
0.5
V
overpotential
at
70%
Faradaic
efficiency).
Herein,
established
targets
that
these
achieved,
fuels
can
become
profitable
option
part
growing
renewable
energy
infrastructure.
