Large non-bipolar stack

electrode

assembly

alloyed

for a PEM fuel cell, the MEA

with

the

Pt, and

It-M,

where

a second

oxidising gas streams passing through

inside the cell such that it swells in

component

one direction

for enhanced

with the Pt.

the cells’ operating

Patent numbex WO 00/35037

power-generating

electrical

contact.

Patent number: US 6074692

metal

catalytic

is rehydrated

M is alloyed

be condensed

and recovered.

the cells, can

The stack prolongs

lifetime

and increases

their

efficiency.

Patent number: WO 00/36680

Operating

a methanol

Here

the

&GE, Germany

methanol-reforming

interrupted

reaction

at set times for catalyst

is

Large non-bipolar

This

sealant

rubber

the methanol-

bridges

compensate

the catalyst. The process may be used in

is flushed

fire1 cell vehicles operating

with

hydrogen

on liquid methanol.

Patent number: US 6074770

between and

fuel cell a contact

the interconnecting

the electrode

mixed crystal powder containing

This layer has high addition

from

foam

and along

and

stability

in

This method comprises

for treating

preferably

ion-conducting the mass transport

reactants

and

micropores,

reaction

pores

a

This for the

within

electrocatalyst

and fuel cell performance

with

properties

products

improving

particles

impregnant.

improves

perimeter

the

utilisation

for a fixed amount

This

patent

describes

combustor, system,

of

fuel and/or

of miniature

liquid-

electrical

devices,

appliance

configurations

holster,

cell integrated

piggyback

through packages,

permits

disposable or refueling

greater

such

charger,

with a rechargeable

is distributed

for

conventional

performance,

Apphant:

catalytic

with unreformed

as a

and a fuel battery.

Fuel

fuel ampoules bottles.

The

workability

effluent

is the principal

element,

K.2

a first

R-Y, where Y is a bronzeand optionally

many

of the with

enables large

at low cost. 1

layered manifold

describes

a voIume-e~cient,

assembly

for an array

stacks.

Valving

in the assembly

layered

of internally

can be incorporated

and used to periodically

metals,

Portable fuel cell

metal

relates to a new method oxides

polymer

electrolytes

polymer

surfaces.

deposition

or metal or other

Using

(IBAD),

to coat

alloys onto

solid

consistent

assisted

thin

cell

films

of

novel

provided

This PEM fuel cell is designed

hydrogen

oxidation This

with

has

comprises

catalyst

CO

and

layer

a third

metal

precious

metal material

conduction

path

the layer and the membrane.

fuel

within

has

the

fuel

hydrogen

fuel supplies.

is in a matrix

The

around

and other

the

the

internal

a cylindrical

assembly.

Fluid-cooled

fuel cell

Applicant: Siemens, Germany In this fluid-c~led supplied

with

fuel cell, the cell surfaces

reaction

media

and radial distribution

fuel or

increasing

inflow

and

ducts,

its simple

to the

are

via axial supply arranged

design

cell surfaces,

so

supplied.

fuel cell can be mass-produced,

cooling,

uniform into

supply

contained

the fuel cell, eliminating

for external

membrane-electrode

fluid

the electrolyte

evaporated

cell

that the entire cell surface is uniformly

Applicant: IFC, USA having

gas

fuel storage

by chemisorbed

fuel source

ducts

Cooling plate for stack

reactants,

fuel

for

in the fuel stream. a

an ionic

In this me1 cell assembly

for

fuel good

Patent number: US 6080501

impurities.

and a hydrophobic

does not form

on a

oxygen

a catalyst

of CO by oxygen

layer

to operate

containing

fuel

surface

and

Applicant: Motorola, USA

need

anode

manageability

Fuel cell with integral 1

internally

One

portable

safety,

Patent number: US 6080500

Appkcant: University of California, USA (Los

diluted

and

high

on SPE membranes

anode

fuel stream

a compact,

with

cylinders.

Alamos National Laboratory)

reformate

provides

apparatus

operability

ion-conducting

dual ion-beam

This invention

This compact is described

fuel cells. It comprises

forming

gas the

Applicant: Sanyo Electric, Japan

Applicant: Johnson Matthey, UK

component

manifold manifolded

Patent number: WO 00136679

structure

catalytic

oxidising

Applicant: Ballard Power Systems, Canada This patent

anode

De Nora, Italy (now Nuvera)

This invention

between

for use in PEM

stack

associated

stacks. This approach

reverse the fluid flow direction.

oxidation

structure

overcomes

Patent number: US 6077620

that

anode

cell

eliminates

problems

directly

Patent number: WO 00135032

A piston-tolerant

and

Volume-efficient assembly

a fuel cell

hydrogen-containing

gas. Cathode

and convenience.

Electrode

surfaces,

This

This patent

in blister

contact

This

oxidant.

CO-tolerant

et al. (USA)

design

plates,

electrical

cell power devices

Applicants: R.G. Ho&day

new

separator

the

with

to fuel the combustor

Patent number: US 607762

for

them.

the

an improved

such as Nafion.

charging

between

be readily manufactured

and its integration

Patent number: US GO74773

covers coupling

in parallel with air and/or

flowing

across

reformer

these metals can be prepared

fueled fuel cells with portable

fuel

the fuel cell arrays are el~~oni~y

power fire1 cells, with relatively low total mass, to

electrocatalyst.

micro-fuel

(USA)

non-bipolar

around

extending

Robust metal layers on ion-conductive polymers

Systems, Canada

their

connected

large,

Patent number: WO 00136682

electrocatalyst

impregnating

the

sealing.

exhaust

of microporous

Applicant: Ballard Power

~n~~ation

of silicone

the end-plates,

contact

of

this

stack

Patent number: WO 00/3668

liquid

conductivity

Patent number: US GO74772

Impregnation electrocatalyst

manifold

edges

a layer

or sponge

In

to

end-plates

uneven and

cell

silicone

Applicant: General Motors, USA

Fe, Co or Cu.

thermodynamic

to good electrical

the

Combustor-heated

plate

an oxide

with a spine1 structure

Cr plus Ti, V, Mn,

the

rubber

fuel

layer

conducting

is produced

a PEM

Patent number: WO 00135038

Applicant: Siemens, Germany In this high-temperature

for layers,

effective

fuel cell

for

low-temperature between

bridges entire

High-temperature

system

includes

component

catalyst

seal

Applicant: R.G. Ho&day

to

reforming

manifold

Applicant: IFC, USA manifold

reactivation,

during which the reactor containing

regenerate

PEM fuel cell external

reformer

Applicants: dbb f&l c&l engines;

has

enables without

the cell thickness.

Patent number: US 6080502

Fuel Ceils Bulletin No. 29