Patent
number:
WO
99104444
Publication
date: 28 January
Inventors:
F.J.
Sansone,
Patent 1999
Onorato,
D.W.
Kim,
Publication
M.J.
S.M.
number:
99104446
date: 28 January
Inventors:
French,
WO
R.H.
J.A. Ronne,
Barton,
H.H.
1999
Applicant:
Applicant:
The patent
Hoechst
patent
AG,
describes
producing
a method
for (PBI)
polymer
to
dissolve
with
a gel-
consistency
at room
number:
Publication
WO
and
Inventors: Sansone,
a
paste-like
be
carbon,
metal
or ceramic,
50 urn long,
99104445
with one or including PTFE.
1999
network
Systems
patent
exchange
comprises
membrane with
resilient
impermeable
integral
comprises
a
impregnated
seal. This
sealant into
the
regions. surround
The the
seal
material
layers in the MEA’s
area of the MEA.
should
also extend
laterally
the edge of the MEA,
be
provided
beyond
openings,
that
The
as
are formed
sealant
material
be a flow-processable applied to the MEA injection being
moulding
cross-ribs at spaced
parallel
fluid
raised
extending intervals.
1999
ribs,
improved
with
provide seals
protection
that against
leaks in a fuel cell assembly.
Research
J.I? Capp,
of
by contacting
with
a
Plug Power,
patent
system
and
fuel cell fluid
oxides mixed
copper
mixed
of silver,
inlets
mixtures
of these.
directly mix
part of a stream for a fuel cell. Each a portion
of
into its flow channel,
this
water
with
serves
may
and
gels;
and
scavenger
area between
0.5 and 200 m*/g, a CO
The
separator,
iror
of tin
about
and is housed
which
the
hydrogen
to hydrate
the
Patent number: WO 99105742 Publication akte: 4 February 1999 Inventors:
to the anode
in
provides
the
be augmented
system,
has a surface
oxides
the
corresponding parts of a given fuel cell membrane. The hydration metering
mixed
wit1
nickel,
of
portion
This
tin;
am
of manganese
in combination
oxides
SnO,-CuO
injects
in
then
of manganese
copper;
fluid
and
oxides
and
port
of
the CO
stream,
flow plates and injection ports. Each plate has flow channels with for receiving
capable
oxidising
of mixed
a hydration
includes
gas
regenerating the scavenger. The scavenger is selected from the grouI
USA
describes
that
a method monoxide
the gas stream
scavenger
gas
&
USA
comprises
stream
copper;
Industries
Patent number: Publication
for
fuel
cells
problems
is
R.J.
of a fuel cell
Bellows,
J.L.
Robbins
by a
including
flow
inherent is
in highly
USA
of
carbon
a moulded conductive and
a
the
cathode
the
electrically is between
4
99105737
date: 4 February
T. Okamoto,
1999 F.
K. Hamada
stream
stream.
It also
A
flexible
Carbon
Corporation,
USA
graphite
sheet
described which has ceramic fibres extending
is
for
from
the
to the cathode covers
retention the total
inlet
stream.
cooling
inlet
an anode system,
enthalpy
to of the
The system
water
also
management
with
segregated
deionised
water
and
cooling
water
loops
interconnected heat-exchanger.
embedded from its
system heat
anode stream exiting the fuel cell equal to the total enthalpy of the anode
Flexible graphite composite Technology
latent
exhaust
features
Ucar
Walsh
Corporation,
humidification
transferring
maintain
K. Saito, A. Hagiwara,
Applicant:
Emprise
humidity WO
1999
Jones, M.M.
A fuel cell gas management system is described which includes a
high
compound;
powder
number:
Inventors:
The
comprises powder
Publication Tanno,
produced.
electrically
molecular weight aspect ratio of
D.O.
Fuel cell gas management system Applicant:
item
99105740
to be free
It
can be easily
WO
date: 4 February
Inventors:
and
Patent
to
Mercuri,
1999
Applicant:
electrically conductive, acts as a barrier to gases, has high strength,
in the
prior
99105738
Fuel cell membrane hydration and fluid metering
stream.
for fuel cells
designs.
should
between them The raised ribs
cross-ribs
compartmentalised provide
process
R.A.
corresponding J.M.
that is claimed
conductive and 60.
elastomer using an
Company,
the
water
cured. The seal has a multiple
spaced
and
any
manifold
WO
date: 4 February
injection
free-
Denton,
Exxon
Engineering
a hydrogen-rich
to
separator
separator
the
around
such
A
of several
peripheral region including the MEA’s edge. An integral seal may openings,
flexible,
Nisshinbo
previous
to envelop
plate in
Applicant:
content
number:
Publication
of reactant
Inc, Japan
sealing
seal
as a flow-field
a
regulators.
porous
The
into
Patent
system
described
integral seal should electrochemically
active
MEA.
deformation
the carbon
A
R.J. Potter
Separator
sheet is grooved
for reducing
be
US 5865968 J.
Applicant:
fluid-
electrode
may
ion-
and electrode
a
0.3 g/cm3.
date: 2 February
Gascoyne,
The improved fuel cell membrane electrode assembly (MEA) described
more polymers The density of the layers
using a CO scavenger
The invention
The
0.2 and
layer.
Inventors:
Inc, Canada
this
a diameter
are precoated
the
number:
Publication Power
fibres
polymer,
with
or further
Patent Ballard
The
which
to
of the
CO removal regenerable
preferentially
layer
glass,
is less than
second standing
seal for fuel cell
Applicant:
also
permeability
J.J. Gough
continuous, of fibres and a
substance.
may
applied
layers
catalyst a network
polymeric
which
a flexible,
of up to 1 pm and between
F.J. Onorato, M.J. S.M. French, F. Marikar
Resilient MEA
a gas diffusion
comprising
temperature.
date: 28 January
Plc,
sheet,
fuel cells.
Inventors:
containing nonwoven
PBI
form
or
Matthey
describes
free-standing
powder with a suitable of acid, which permits the
matrix
Johnson
electrode
use in a [direct
fuel cell, by mixing
polymer amount
electrodes
UK
Germany
polybenzimidazole
or gel for
methanol]
in
the
shape useful
Polybenzimidazole pastes and gels for fuel cells
Patent
increase
the
by mechanical
Voss
Gas diffusion
paste
into
sheet to resin. The
P.R. Gibb,
E Marikar
The
surfaces
by a brazed-plate
Patent number: Publication Inventor:
WO
99105741
date: 4 February R.A.
1999
Dubose
Fuel Cells Bulletin No. 7