Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(23), P. 12601 - 12608
Published: June 5, 2023
MXenes,
two-dimensional
transition
(2D)
metal
carbides/nitrides,
have
shown
promise
as
cathodic
catalysts
for
accelerating
the
conversion
of
lithium
polysulfides
(LiPSs)
in
lithium-sulfur
(Li-S)
batteries
due
to
their
diverse
redox-active
sites
and
rapid
electron
transfer.
However,
efficiently
screening
optimal
out
thousands
MXenes
is
challenging.
To
address
this,
we
developed
a
model
that
accurately
predicts
thermodynamic
energy
barrier
rate-limiting
step
Li-S
batteries.
Our
relates
local
chemical
reactivity
MXene
p-band
center
terminations
electronegativity
subsurface
metals.
The
accuracy
was
verified
through
density
functional
theory
calculations
contrast
experiments
pure
Zn-doping
qualitatively.
By
utilizing
this
model,
screened
large
library
(27
types
five-atom-layer
MXenes)
identified
Ti2CS2,
Mo2CS2,
W2CS2
potential
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(26)
Published: Jan. 27, 2023
The
study
of
direct
methanol
fuel
cells
(DMFCs)
has
lasted
around
70
years,
since
the
first
investigation
in
early
1950s.
Though
enormous
effort
been
devoted
this
field,
it
is
still
far
from
commercialization.
oxidation
reaction
(MOR),
as
a
semi-reaction
DMFCs,
bottleneck
that
restricts
overall
performance
DMFCs.
To
date,
there
intense
debate
on
complex
six-electron
reaction,
but
barely
any
reviews
have
systematically
discussed
topic.
end,
controversies
and
progress
regarding
electrocatalytic
mechanisms,
evaluations
well
design
science
toward
MOR
electrocatalysts
are
summarized.
This
review
also
provides
comprehensive
introduction
recent
development
emerging
with
focus
innovation
alloy,
core-shell
structure,
heterostructure,
single-atom
catalysts.
Finally,
perspectives
future
outlook
mechanisms
provided.
Advanced Science,
Journal Year:
2022,
Volume and Issue:
10(4)
Published: Dec. 8, 2022
The
conversion
of
biomass
is
a
favorable
alternative
to
the
fossil
energy
route
solve
crisis
and
environmental
pollution.
As
one
most
versatile
platform
compounds,
5-hydroxymethylfural
(HMF)
can
be
transformed
various
value-added
chemicals
via
electrolysis
combining
with
renewable
energy.
Here,
recent
advances
in
electrochemical
oxidation
HMF,
from
reaction
mechanism
reactor
design
are
reviewed.
First,
pathway
summarized
systematically.
Second,
parameters
easy
ignored
emphasized
discussed.
Then,
electrocatalysts
reviewed
comprehensively
for
different
products
reactors
introduced.
Finally,
future
efforts
on
exploring
mechanism,
electrocatalysts,
prospected.
This
review
provides
deeper
understanding
electrocatalyst
reactor,
which
expected
promote
economical
efficient
industrial
applications.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(12)
Published: Jan. 5, 2023
Abstract
The
design
and
construction
of
electrocatalysts
with
high
efficiency,
low
cost
large
current
output
suitable
for
industrial
hydrogen
production
is
the
development
trend
water
electrolysis.
Herein,
a
lattice‐confined
in
situ
reduction
effect
3D
crystalline
fullerene
network
(CFN)
developed
to
trap
Ru
nanoparticle
(NP)
single
atom
(SA)
via
solvothermal‐pyrolysis
process.
optimized
product
(Ru
NP
‐Ru
SA
@CFN‐800)
exhibits
outstanding
electrocatalytic
performance
alkaline
evolution
reactions.
To
deliver
density
10
mA
cm
−2
,
@CFN‐800
merely
required
an
overpotential
33
mV,
along
robust
durability
1400
h.
Even
at
densities
500
1000
overpotentials
are
only
154
251
respectively.
Density
function
theorey
calculation
results
indicated
that
electronic
synergetic
between
enable
regulate
charge
distribution
reduce
Gibbs
free
energy
intermediate
species
dissociation
process,
thereby
accelerating
Moreover,
CFN
matrix
render
this
strategy
patulous
other
transition
metals,
e.g.,
Cu,
Ni,
Co.
present
study
provides
new
clue
novel
electrocatalyst
field
storage
conversion.
InfoMat,
Journal Year:
2023,
Volume and Issue:
6(1)
Published: Nov. 27, 2023
Abstract
Electrochemical
water
splitting
represents
a
promising
technology
for
green
hydrogen
production.
To
design
advanced
electrocatalysts,
it
is
crucial
to
identify
their
active
sites
and
interpret
the
relationship
between
structures
performance.
Materials
extensively
studied
as
electrocatalysts
include
noble‐metal‐based
(e.g.,
Ru,
Ir,
Pt)
non‐noble‐metal‐based
3d
transition
metals)
compounds.
Recently,
advancements
in
characterization
techniques
theoretical
calculations
have
revealed
novel
unusual
sites.
The
present
review
highlights
latest
achievements
discovery
identification
of
various
unconventional
electrochemical
splitting,
with
focus
on
state‐of‐the‐art
strategies
determining
true
establishing
structure–activity
relationships.
Furthermore,
we
discuss
remaining
challenges
future
perspectives
development
next‐generation
By
presenting
fresh
perspective
reaction
involved
this
aims
provide
valuable
guidance
study
industrial
applications.
image
Journal of Materials Chemistry A,
Journal Year:
2022,
Volume and Issue:
10(22), P. 11938 - 11947
Published: Jan. 1, 2022
The
built-in
electric
field
at
the
heterogeneous
interface
makes
FeCoNi
LDH
in
p–n
heterojunction
LDH/CuO
more
positively
charged,
which
is
favorable
for
adsorption
of
OH
−
,
leading
to
promoted
OER
activity
alkaline
media.
