International Journal of Hydrogen Energy,
Год журнала:
2024,
Номер
69, С. 837 - 854
Опубликована: Май 11, 2024
Hydrogen
is
a
vital
resource
in
the
fight
against
climate
change,
and
it
has
potential
to
revolutionize
energy
sector.
Our
research
focused
on
optimizing
production
of
high-purity
hydrogen
using
coke
oven
gas
(COG),
valuable
source
steel
industry.
By
leveraging
advanced
artificial
neural
networks
(ANNs),
we
can
predict
performance
exergy
efficiency
6-bed
12-step
vacuum
pressure
swing
adsorption
(VPSA)
process
accurately
efficiently.
The
Pareto
fronts
were
addressed
by
combining
evolutionary
algorithm
with
ANNs,
effects
operating
parameters
discussed
detail.
Importantly,
found
that
our
VPSA
achieve
purity
99.99%
45.2%
efficiency.
We
also
demonstrated
ANNs
significantly
enhance
optimization,
making
tool
for
extracting
from
COG.
Renewable and Sustainable Energy Reviews,
Год журнала:
2023,
Номер
189, С. 113888 - 113888
Опубликована: Окт. 21, 2023
Beyond
its
role
as
an
energy
vector,
a
growing
number
of
natural
hydrogen
sources
and
reservoirs
are
being
discovered
all
over
the
globe,
which
could
represent
clean
source.
Although
amounts
in
uncertain,
they
be
vast,
help
decarbonize
energy-intensive
economic
sectors
facilitate
transition.
Natural
is
mainly
produced
through
geochemical
process
known
serpentinization,
involves
reaction
water
with
low-silica,
ferrous
minerals.
In
favorable
locations,
can
become
trapped
by
impermeable
rocks
on
way
to
atmosphere,
forming
reservoir.
The
safe
exploitation
numerous
seems
feasible
current
technology,
several
demonstration
plants
commissioned.
may
show
variable
composition
require
custom
separation,
purification,
storage,
distribution
facilities,
depending
location
intended
use.
By
investing
research,
mid-term,
more
exploitable
processes
artificially
stimulated
new
locations.
long
term,
it
possible
leverage
or
engineer
interplay
between
microorganisms
geological
substrates
obtain
other
chemicals
sustainable
manner.
Chemical Reviews,
Год журнала:
2024,
Номер
124(18), С. 10509 - 10576
Опубликована: Авг. 21, 2024
Global
warming
and
energy
crises
have
motivated
the
development
of
renewable
its
carriers.
Green
hydrogen
is
most
promising
carrier
will
be
fundamental
to
future
conversion
storage
systems.
Solid
Oxide
Electrolysis
Cells
(SOECs)
are
a
green
production
technology
featuring
high
electrical
efficiency,
no
noble
metal
catalyst
usage,
reversible
operation.
This
review
provides
timely
summary
latest
SOEC
progress,
covering
developments
at
various
levels,
from
cells
stacks
Cell/stack
components,
configurations,
advanced
electrode
material/fabrication,
novel
characterization
methods
discussed.
Electrochemical
durable
performance
for
each
cell/stack
configuration
reviewed,
focusing
on
degradation
mechanisms
associated
mitigation
strategies.
system
integration
with
downstream
users
outlined,
showing
flexibility,
robustness,
scalability,
viability,
efficiency.
Challenges
cost
durability
expected
overcome
by
innovation
in
material,
fabrication,
production,
integration,
Overall,
this
comprehensive
identifies
commercialization
bottleneck,
encourages
further
development,
envisions
society
net-zero
carbon
emissions.
