Producing polyelectrolyte membranes

Converting

hydrocarbons

PEM cells/stacks with adhesively bonded layers

Applicant: Arthur

Applicant: Ballard Power Systems,

(now Nuvera)

supplied

This

areas

Canada This improved adhesive

PEM fuel cell uses an

bonding

individual

agent

between

cell components

and/or

between

adjacent

provides

a simplified

cell and stack

design with reduced associated

manufacturing

benefits.

Sealing

reliable,

and

permit

this

and

and cost

is generally

easier

testing,

part count,

more

approach

stack

may

Patent number: US GO80503

of

cell

electrodeposition in

electrode is

This

metal

form

on

continuous

provides adequate economical

by

of a catalytic

nanocrystalline

substrate.

for a

prepared

a

process

power density with

catalyst loading.

energy supply

fuel

supply

cell

system

controller capable The

stand-by comprises

connected of detecting

switch

to connect

supply

directly

a micro-

to a detector power

microcontroller

almost

to partially

burn

Appkcant: US Government

gasoline

or diesel fuel. The fuel is

microcontroller manages

a

the fuel cell DC

AC

soot, and while

heat

reforming

to

the

steam

zone and other

reactor

patent their

describes use with

ventilation

hybrid

using

system

includes that

such

and 2000°C.

about

The stack

temperature

axially,

separate

stacks a reactant

of

circuit supply.

can

can

regions

or

monitors

the load in relation

to

The

more

multiple

be employed from

its input

Treatment reforming

causing

a fuel cell

system

which

In this method methanol

Patent number:

and

disturbances damage

from

to the

fuel

cell

Germany

Patent number: US GO83637

A

cation-exchange contains electrode inactive and

membrane

which

fluorine and porous layers of electrocatalyst

material,

electroconductor

fluoropolymer

material agglutinating

material on both membrane

surfaces.

Patent number: WO 00138261

fuel

porous

current cell

substrate

collector includes

for a a thin

and a hydrophilic

material,

provided

to holes

of the

substrate

so that hydrophilic

areas

formed

by

successively substrate. the

this pass

Water

of

of the

to

conglomerates.

the

it out its

volume methanol

US 6083863

method

is

material

through

the

does not stay on

electrode/current

collector

described

producing

a polymer including

benzimidazole

novel

PEM

nano-

Apphkant: Axiva GmbH,

system.

This

of a

carbon

are connected

Producing polyelectrolyte membranes

basic

a membrane-

of

which

reaction.

membrane,

consisting

filling

for in a

of

to complete loss

the start

Current collector

describes

use,

by baking

initial

Applicant: Sanyo Electric, Japan

assembly

solid

a device hydrogen

catalyst,

for automotive is pre-aged

Technology,

electrode

for the treatment reforming

Applicant: David Systems The patent

plate

describes

compressed

to disturbances of reformate,

MEA and its production Spain

storing

Applicants: dbb fuel cell engines;

The invention

of the fuel cell.

The patent

attractive,

BASF, Germany

reforming

an autodi~nostic

moulding

gas Germany

of methanol catalyst

before provides

liquids

Patent number: WO 00139499

GelllXllly

prevents

Applicant: Vernon,

form greater

Applicant: DaimlerChrysler,

and also performs

Storing compressed

anodic

flexible

inherent

generating

with

in

electrical

is economically

in a dry atmosphere

in the provision

high good

Fuel cell power generation

fueI cell power,

Patent number: WO 00138260

at

sulfide.

at ambient

Patent number: WO 00139252

mechanical stability

Patent number: US 6083641

perhaps

reacts very rapidly

pressures,

reactant,

to nickel

or vapours.

structures,

temperature.

and to the

or elevated

design.

Patent number: US 6083636

energy

at elevated

and

allowing

a

The

can operate

at different

between

to heat

process

The

The system

These

reactant

in the fuel

binder

have long-term

and is converted

in

the sulfur

the nickel

a suitable

thermodynamic media

compounds with

powder

pressure.

conductivity.

an assembly

operate

and

a nickel

bed in which

carbide

and

potentials,

power

devices.

plates

acidic

heating,

and specifically

high-performance systems

cells

combines

system

ail of the sulfur

through

in organic

titanium

and moulded

temperature

air conditioning

systems,

with

processing

desulfuriser

bipolar

from

Titanium

material,

and

and

(HVAC)

made

is blended

USA

electrically

non-porous

is

fuel

passed

conductive,

carbide.

gas turbines,

turbines,

(Gmer Inc) A corrosion-resistant,

plate

fuel

Applicant: IFC, USA This

catalyst

to the DC device, or

an

Patent number: US 6083638

gasoline

removes

failure.

operates

to a voltage-conditioning produce

energy

Desulfurising or diesel

so that it is effectively

humidified.

TiC bipolar plate

formed

App~~&an~H Power, Canada This

electrolyte

zone

have multiple

Stand-by

improved

of membranes.

reaction

not forming

20°C

and

oxidation

temperatures,

Patent number: US 6080504

acids,

conductivity

and

providing

stacks

strong

Patent number: WO 00139202

the hydrophilic

polymer

in

proton

The

while

steam

a

reliably

methanol

the fuel

and

through to

gas is not is

in vehicles.

allows

This

Water

possibly

ethanol, partial

hydrogen

Applicant: Ztek Corporation,

USA fuel

can use fuels such as

JP-8,

so the reaction

membrane,

gas and CO,

Stacks for ultra-high efficiency systems

Applicant: Faraday Technology,

PEM

converting

into

Patent number: US GO83425

repair and maintenance.

Here a gas diffusion

for fuel

sections.

disassembly,

Electrodeposition catalytic metals

apparatus

hydrocarbon gasoline,

cells in a stack. It

D. Little, USA

interface, hampered.

polymer

sufficient

immersing

such

as

in a strong

concentration

strong

acid

a

a polyacid with

to impreg-

nate the basic polymer more

for

electrolyte

with

six or

molecules

per

polymer

repeating

unit of the basic

polymer

at 30°C or more for up to

5 h, as well as a fuel cell with membrane. immersion

This

gives

this

shorter

times for basic polymers

Fuel Cells Bulletin No. 29