In
this
work,
sodium
tetrahydroxoborate
(NaB(OH)4)
that
is
the
main
product
of
hydrolysis
reaction
NaBH4
with
a
relatively
small
excess
water
studied
in
borohydride
presence
catalyst
and
without
it.
It
was
found,
mixtures
consisting
NaB(OH)4
begin
to
melt
at
70°C
formation
liquid
phase
destroying
close
coordination
environment
for
both
types
boron
atoms.
When
cobalt-based
added
mixtures,
significant
hydrogen
evolution
observed.
The
resulting
products
are
amorphous
borates
gross
composition
[NaBO2×0.75H2O].Carrying
out
catalytic
system
initial
H2O:NaBH4:cat
under
conditions
same
observed
promising
way
produce
H2
since
it
provides
high
yield
amounts
atmospheric
pressure.
Catalytic
carried
temperature
range
80-120ºC
molar
ratios
H2O:NaBH4=3
2.7
pressure
demonstrates
8.2
wt.%
conversion
96%
only
2.3
wt.
%
CoCl2
as
catalyst.
Since
final
[NaBO2×0.66H2O],
potential
mass
process
can
reach
9.3
wt.%.
Nanoscale Advances,
Journal Year:
2023,
Volume and Issue:
6(1), P. 51 - 71
Published: Nov. 9, 2023
The
world
faces
threats
that
the
United
Nations
has
classified
into
17
categories
with
different
objectives
as
solutions
for
each
challenge
are
enclosed
in
Sustainable
Development
Goals
(SDGs).
These
actions
involved
widespread
use
of
science
and
technology
pathways
to
ensure
their
implementation.
In
this
regard,
sustainability
seeks
research
community's
contribution
addressing
sustainable
development
challenges.
Specifically,
nanotechnology
been
recognized
a
key
tool
provide
disruptive
effective
strategies
reach
SDGs.
This
review
proposes
application
bimetallic
nanoparticle
substances
capable
providing
possible
achieve
target
SDG
3:
good
health
well-being,
6:
clean
water
sanitation,
12:
responsible
consumption
production.
Furthermore,
term
green
is
introduced
section
exemplify
how
synthesized
nanoparticles
have
used
resolve
SDG.
also
outlines
current
scenario
regarding
utilization
metallic
nanomaterials
market,
together
upscaling
challenges
lack
understanding
long-term
effects
hazards
environment
nanoparticles.
Results in Chemistry,
Journal Year:
2024,
Volume and Issue:
7, P. 101412 - 101412
Published: Jan. 1, 2024
Hydrogen
gas
has
been
considered
an
eco-friendly
energy
source
with
a
high
content,
making
it
suitable
carrier
for
several
industries.
A
cerium-organic
framework,
denoted
as
CeOF,
was
synthesized
by
reacting
cerium
tricarboxylic
organic
linker
using
solvothermal
method.
The
material's
characteristics
were
analyzed
X-ray
diffraction
(XRD),
transmission
electron
microscopy
(TEM),
photoelectron
spectroscopy
(XPS),
scanning
(SEM),
thermogravimetric
analysis
(TGA),
and
Fourier
transforms
infrared
(FT-IR)
to
confirm
its
crystallinity,
phase
purity,
elemental
composition,
chemical
bonding,
morphology,
thermal
stability.
CeOF
catalysized
the
release
of
hydrogen
from
solid
storage
materials,
e.g.,
sodium
borohydride
(NaBH4)
reaction
water
via
hydrolysis.
An
examination
carried
out
analyze
influence
catalyst
loading,
NaBH4
weight
(0.2–3
wt.%),
temperature.
showed
significant
generation
rate
(HGR)
1800
mLH2·gcat-1·min−1,
activation
58.8
kJ·mol−1.
It
good
catalytic
recyclability
enabling
continuous
production
four
cycles
without
any
decrease
in
performance.
Journal of Computational Intelligence in Materials Science,
Journal Year:
2023,
Volume and Issue:
unknown, P. 12 - 22
Published: Jan. 9, 2023
Catalysis
holds
a
significant
position
in
the
field
of
chemistry,
wherein
it
manifests
three
distinct
directions
that
exhibit
minimal
overlap:
heterogeneous,
enzymatic,
and
homogeneous.
Heterogeneous
homogeneous
catalysis
are
recognized
as
fields
championed
by
two
scientific
societies,
namely
solid
state
molecular
chemistry.
Despite
their
differences,
both
domains
share
common
goal
seeking
to
enhance
catalytic
performance.
Nanocatalysis
has
gained
prominence
burgeoning
discipline
recent
times,
owing
its
exceptional
levels
activity,
selectivity,
productivity.
The
distinctive
characteristics
nanocatalysts
arise
from
nanoscale
dimensions,
morphology,
significantly
elevated
surface
area
volume
ratio.
These
structural
electronic
modifications
distinguish
them
bulk
counterparts,
resulting
unique
properties.
At
level,
principles
quantum
chemistry
classical
physics
not
applicable.
In
materials
characterised
robust
chemical
bonding,
degree
electron
delocalization
can
be
substantial
may
size-dependent
variability.
primary
objective
this
review
is
expound
upon
critical
understanding
nanocatalysis,
detailing
how
different
feature
other
particle
features
nanomaterials
contingent
on
structure
size
at
an
atomic
level.
