Integrated fuel cell system

Mass/heat Applicant:

recovery

International

Ion-exchange Fuel Cells,

USA

Applicant: These

In this mass/heat

recovery

for a fuel cell plant, heat

transfer

stream

mass transfer stream

the direct

device

process

system

passes the up-

oxidant

with

mass/

stream

the plant

in

exhaust

so that mass and heat in the

plant

exhaust

directly

stream

to

the

are transferred

process

number:

WO

Dow novel

polymer

This

Toyota

patent

catalysts

conversion Patent

Japan unit

the energy

efficiency

number:

number:

as

on a catalyst

plate

This PEM

fuel cell has an improved plate,

separator

of metal number:

the

plates

with

are

Applicant: Germany The

for

consists

cells in series,

coating.

WO

fuel cell voltages

are

fuel

WO

Applicant: This

gas

comprises

diffusion

nonwoven resulting

in improved

stability

and

proved

cost, high

An

im-

volumes is also

Applicant:

number:

PEM

its internal

prevented

from

economic

fuel

drying

production

membrane collectors

is

possible.

feature

conductive

an

aerogel. Patent

number:

is

side

is

US 6010798

conduit

to

structure

of reactant WO

MEA formed

for

gas.

sufficient

in a PEM the

on

fuel cell,

side

featuring

and

numbers:

structures

00/0228

into

of

the

two

transversely

parallel

in

flowpaths

arrayed

a layer

layers

gas flow

channel

offset from channels.

those

oxidant

couplings

plate and membrane-

assembly

are bonded

with

polymer.

A lightweight

gas-proof

assembly

is obtained

applying

an adhesive periphery

Patent

bead

by

on the

of the gas chamber

the inner

number:

WO

gas ducts. 00102279

uilletin month

between

them.

Cooling

fication

may

be provided

between

are

for the fuel flow

alternating structures

unused

by contubes

ated pair

Features

in

MEA

and attached of separators

on

the world

Research Trends The latest results

undulate

articles

and developments

around

cell is formed

layered

Technical projects

00102274

and separator

news industries

or humidi-

BG NC, UK fuel

trends

Breaking Related

spaces.

WO

activities developments

In Brief In Brief

of

material

adjacent

that each layered between

Technical

tubes,

of membrane

Patent number:

in an array The

Here a bipolar

Scientifics,

from

cylindrical

A PEM

couplings.

MEA assembly

Manhattan

Industry

at their

ends to form

00/02277

News

fuel cell is formed

Applicant:

of spaced

Applicant: USA

00102273

parallel

connected

WO

Next

with

Fuel cell with undulate MEA

are

number:

the

support.

a

of layered

In these three patents an MEA layer is provided for a PEM fuel cell channels

to

BG Plc, UK

circular

otherwise

BG Plc, UK

the

sheet of

fixed

Business

PEM

1

of

a thin

graphite

an

placed

alternating WO

This

00/02267,

longitudinal

plate, with

flexible

sheet to provide

as a

to

Stack made of tube cells

with WO

useful

structural

a series

Applicant:

layers.

stack, in which

carbon

has

and stiffness

shape

gas

to eliminate the need for conduits that pass through

the MEA

a shape

is

flowfield

outer

structure

strength its

Patent number:

reactant

either

its

which

separators.

describe

and The

MEA

formed

follow

to increase resin

into

and around

and

conduits

MEA, coolant

in situ

shape

which

has

extend-

grooved

a curable

00102270

when

patents

to

electrode

BG Plc, UK

layered

stack

sheet

fibres

the sheet,

Gas-proof

on each side

MEA

undulate

cooling

out,

electrically

gas-permeable

plates,

integrity

US 60 13385

three

Applicant:

resistance

the

and separator

complexity

Interconnection of reactant gas flowpaths

Applicant: Siemens, Germany In this fuel cell proton-conducting and

from MEA

undulate

and is well applications.

graphite

ceramic

ing into

Patent

layered

number:

This

Carbon

a flexible

grooved

BG Plc, UK

00102271,

US 6010606

Fuel cell membrane

reduced

00102269

00102275

USA

permeability

fuel cell is formed

a discrete

duits

membrane

WO

and

structures.

retain

coolant

Patent

described. Patent

number:

flowpaths

process and MEAs

in high yields,

and

water greatly

gas

BG NC, UK

Applicant:

humidiry

systems,

to automotive

These

fibres,

dimensional

electrodes

at low unit and with

in a

of

manufacturing

for producing

weight

PEMFC internal

electrode

flexibility.

cathode

UK

embedded

network

Applicant;

reactant

plate Ucar

embedded

extend-

WO

Technology, Here

Printed circuit board separator

MEA

Matthey,

a catalyst

number:

Patent

management

and cooling It provides

existing

Patent

electrode

gas

anode

processing. over

99167869

Johnson

layers

support

the circulation Corporation,

cell

humidification, retention,

suited

Gas diffusion

an

a stacked

to the stack

of each layered

comprises

reduced

monitored. number:

for

includes

with

structures

00/01025

Emprise

system

of several fuel

whose

structure

MEA

USA

to a circuit

an integrated

system which

Patent

Applicant: This

system

a support

undulate

form

dbb fuel cell engines, relates

BG Plc, UK

alternating

99167846

fuel cell system

invention

Applicant:

This

an oxidation-

conductive

Patent

which

Gas management Integrated

Flowfield

Here

which

number:

Applicant:

Patent

Co, Japan in

through

may be circulated.

Electric

separator made

plenum

Internal support for undulate MEA

ing perpendicular

separator

conductive

00/02268,

series of membrane

US 60 11074

Matsushita

resistant

is high.

WO

form

support.

Improved

a control

where

are also

divided

or deposited

Applicant:

the fuel cell to be opera-

ted at a point

improved

alternating

method

Jidosha,

describes

that allows

expanded

The polymers finely

WO

00102276

Patent

oxidant

93167830

Fuel cell control

with

performance. in

numbers:

00102272,

USA

provide

useful

Patent

ion-exchange

membranes

Industrial Applicant:

Chemical,

organic

microstructure

Patent

stream. Patent

polymers

from

research

published

in

the key journals

MEA

strata,

so

structure

is

to an associto form

a

Patents Recently

published

US and WO patents

Fuel Cells Bulletin No. 22