Potentials of Hydrogen Power

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Energetic Electrolysis: The Potentials of Hydrogen Power Activity
Guide
 Learning Objectives 
 
 
 Description: This activity uses electrolysis to introduce the science behind hydrogen power. Visitors will use an electrical current to separate water into hydrogen and oxygen gas. The audience will then observe a demonstration showing the explosive properties of hydrogen gas. Audience: Hands-on activity for families and kids ages 7 and up Length: Approximately 25 minutes •
 The
components
of
water
can
be
separated
into
oxygen
and
hydrogen
using
an
 electrical
current,
a
process
is
called
electrolysis
 •
 If
hydrogen
gas
is
generated
using
a
renewable
energy
source
such
as
wind
or
 solar,
it
has
a
lot
of
potential
as
a
“clean”
energy
source
 •
 Once
hydrogen
gas
has
been
captured
and
stored
it
can
be
used
to
power
cars,
 homes,
or
computers
 •
 Hydrogen
power
is
one
example
of
how
technological
innovations
can
be
used
 to
address
energy
and
environmental
concerns
 Climate Connection Electrolysis
is
the
process
of
using
an
electrical
current
to
separate
water
into
 hydrogen
and
oxygen
gas.

The
electrical
charge
that
is
applied
to
water
will
break
 the
chemical
bond
between
the
hydrogen
and
oxygen
atoms
and
produce
charged
 particles
called
ions.

For
the
purposes
of
this
experiment
the
charged
hydrogen
 and
oxygen
gas
is
produced
at
aluminum
foil
electrodes.

Once
captured
and
 stored,
hydrogen
gas
can
be
run
through
a
fuel
cell
to
power
cars,
homes,
even
 computers.
 
 Hydrogen
gas
produced
through
electrolysis
can
be
used
for
power
when
run
 through
a
fuel
cell.

A
fuel
cell
combines
separated
hydrogen
and
oxygen
to
make
 electricity.

In
the
past
several
years
we
have
seen
great
advances
in
fuel
cell
 technology
and
an
accompanying
increase
in
excitement
around
the
potentials
for
 hydrogen
power
to
replace
fossil
fuel
energy
sources.
 
 There
are
several
obstacles
to
overcome
if
we
are
to
use
hydrogen
as
an
energy
 source.

Hydrogen
gas
is
very
flammable,
and
there
are
safety
issues
surrounding
its
 storage
and
transport.

The
explosive
property
of
hydrogen
is
demonstrated
in
this
 Sciencenter, Ithaca, NY Page 1 www.sciencenter.org

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