International Journal of Hydrogen Energy,
Год журнала:
2023,
Номер
50, С. 292 - 309
Опубликована: Сен. 2, 2023
The
optimisation
of
green
hydrogen
production
systems
is
challenging.
Moreover,
an
accurate
simulation
the
system
required
for
effective
optimisation.
This
study
presents
a
novel
method
optimising
utility-scale
hybrid
photovoltaic–wind
using
models.
objective
to
minimise
levelised
cost
(LCOH)
genetic
algorithms.
Different
types
(such
as
islanded
systems,
grid-connected
with
or
without
possibility
purchasing
electricity
from
grid,
and
considering
power
curtailment),
are
evaluated
optimised.
Each
combination
components
control
strategy
simulated
during
lifetime
(20
yrs)
in
time
steps
5
min,
degradation
renewable
generators
different
real-time
pricing
curves
resource
each
year
lifetime.
Accurate
models
used
simulations,
including
electrolyser
efficiency
dependent
on
input
cold-start
extra
ageing.
An
application
example
located
Zaragoza
(Spain)
shown,
obtaining
LCOH
4.74
16.06
€/kg,
depending
type
project
electrolyser.
Sustainability,
Год журнала:
2025,
Номер
17(3), С. 901 - 901
Опубликована: Янв. 23, 2025
Hydrogen
is
a
crucial
energy
carrier
for
the
Clean
Energy
Sustainable
Development
Goals
and
just
transition
to
low/zero-carbon
energy.
As
top
CO2-emitting
country,
hydrogen
(especially
green
hydrogen)
production
in
South
Africa
has
gained
momentum
due
availability
of
resources,
such
as
solar
energy,
land,
wind
platinum
group
metals
(as
catalysts
electrolysers),
water.
However,
demand
insignificant,
which
implies
that
majority
must
be
exported.
Despite
positive
developments,
there
are
unclear
matters,
dependence
on
national
electricity
grid
cost
transporting
it
Asian
European
markets.
Hence,
this
study
aims
explore
opportunities
economic
expansion
sustainable
production,
transportation,
storage,
utilisation
produced
Africa.
This
paper
uses
thematic
literature
review
methodology.
The
key
findings
available
renewable
sources,
incentivizing
economy,
carbon
taxation,
increasing
could
decrease
from
3.54
1.40
€/kgH2
thus
stimulate
its
usage,
export.
appeal
lies
diversifying
products
an
carrier,
clean
electricity,
synthetic
fuels,
ammonia
methanol,
fertilizers,
steel
with
principal
purpose
significant
decarbonisation
foreign
earnings.
These
expected
drive
African
revolution
agreement
AU
2063
agenda.
Energies,
Год журнала:
2024,
Номер
17(16), С. 3992 - 3992
Опубликована: Авг. 12, 2024
This
paper
navigates
the
critical
role
of
hydrogen
in
catalyzing
a
sustainable
energy
transformation.
review
delves
into
production
methodologies,
spotlighting
green
and
blue
as
pivotal
for
future
systems
because
their
potential
to
significantly
reduce
greenhouse
gas
emissions.
Through
comprehensive
literature
bibliometric
analysis,
this
study
underscores
importance
technological
advancements,
policy
support,
market
incentives
promoting
key
vector.
It
also
explores
necessity
expanding
renewable
sources
international
cooperation
secure
sustainable,
low-carbon
future.
The
analysis
highlights
scalable
cost-effective
methods,
such
solar-thermochemical
photo-electrochemical
processes,
addresses
challenges
posed
by
resource
availability
geopolitical
factors
establishing
economy.
serves
guide
innovation
toward
achieving
global
sustainability
goals,
illustrating
essential
transition.
Energy Strategy Reviews,
Год журнала:
2024,
Номер
54, С. 101486 - 101486
Опубликована: Июль 1, 2024
The
recent
need
for
sustainable
energy
to
balance
supply
and
demand
with
decarbonisation
benefits
drives
interest
in
green
hydrogen
socio-economic
growth.
However,
the
barriers
associated
technologies
production
routes
make
acceptability
into
South
African
sector
uncertain.
Therefore,
this
study
comprehensively
reviewed
non-carbonaceous
renewable-powered
production.
Keywords
of
7702
obtained
from
944
related
published
articles
(2013–2023)
were
refined
644
keywords
a
limit
10
occurrences.
contemporary
trend
was
analyzed
facilitate
research
routes,
advanced
policies
curb
Africa's
coal-carbon
neutrality
economy.
strengths
weaknesses
integrating
renewable
technology
using
biomass
water
as
feedstocks
other
catalysts
discussed.
With
its
challenges
prospects,
transitional
phase
highlighted
address
prospects
inclusion
sector.
It
elucidated
that
Africa
has
resource
advantages
promote
market
value
by
formulating
evidence-based
capacitating
technological
competence.
Also,
exploring
solar-powered
electrolysis
economic
environmental
impact
presents
solution
decarbonize
country's
coal-based
turn
it
hydrogen-driven
