Closed-end ceramic fuel cell tubes

adsorbent

member.

A

voltage

to the adsorbent

applied which

imparts

causes

the

a current

flow

to be desorbed

adsorbent

member.

gas

from

from

natural

gas

CO,

capture

from

from

fed

and

cell

recycle

gas. Patent

nxmbrr:

Pub&ation

US datu:

Invrntoors:

R.R.

5972077

26

1993

Burchell

PEM fuel cell

DectroChem

Inc, USA

Convent

ion al hydrogen/air

fuel

cooled

systems

that

of

the

fuel

describes

both operating

cells.

This

polymer

cell.

Its

pressure

and

electrolyte

fed

battery

duting

PI ate

with

extending

electrode

cooling

through

air distribution

the hole

cooling

plate

compressors

does to

from

an

is

not

exhaust

channels

ah:

26

input

of the

Shelekhin,

Bushnell,

Pien

M.S.

C.L.

The patent a glass-ceramic separator seals

plate, between

cells.

body

for It

forms

body

the glass Paifent I’ddicudon Imentovs: S. Pyke

16 0,

plates,

a glass

the

is heat-treated number: Z&P:

to a glass

WO

air

the

stack

1399

a

to the use in

membrane methanol

fuel

the

polymer

It

laminar

plate.

The

blend

direct

among

other

has

WO

gives and

reliability.

The

manufacturing

yield

this

method

cost.

Paknt

nixm~er:

Inuento~x

J. Kerres,

W.

Appkmt:

The

solid

oxide

has a dense

H, 1999

int-o

gas permeation formed ceramic formed

the

cell

that

flux

described

OF ~50

on the air electrode; inrerconnectoi-

on this ceramic

into

with

m/h

a

atm

a dense film layer.

it

its

as the

tube

manufacturing with

this

reduces

rhe

method

overall

fuel

cost. numbeu:

Publimh

WO

99f54349

date: 28 October B.E

1999

Borglum

higher

the

93154947

28 October

I999

News Techni&l’drvdlopments

Industry trends AG,

by

contains

CO,,

is The

most

of

fed of a

waste

the

CO,

and

is divided

gas stream

Hz-rich

gas

gas stream to

selective

oxidation of the CO, to the fuel cell,

Technical pmjmts

Qrich gas is fed to filter to separate out

pre-purified

subjected

&%&lies an

be

compartment

contaminants, a filter

can

news industries

and

to give

which

anode

Related

fuels;

removed

stream

the

H,-

CO,

gaseous

are

Breaking

converting

and/or

gas

and

a raw,

catalyticaliy

pre-purifted The

a method

generates

gas which

other

layer

rhar

seal, and

associated

describes

fuel cell, The

Ltd, Japan fuel

associated

same

higher

significantly

closedin

In Brief

patent

liquid

Cui

ceramic

subsequent resultant

improved

Mannesmann

CO

SOFC interconnector

here

yield

Patent

CO from gas

a membrane

ceramic.

fired

superior

Borglum

Removing reformate

system

39154389

28 October

to convert

WO

to net

is the The

cell

joint.

is then

a leak-tight

wall.

Inuento~~

also reduces

d&n B.I?

this current

performance

enhancement

overall

of

Because highest

is

porosity

end of rhe tube

the

this

impurities

datp:

Toto

A. Wood,

operation.

region

rich

or

PubScation

Apphklitt:

I399

at the closed

during

The

applications.

PU%lknt namder:

diffusion

tube

provides a

a compound

The

Germany also

electrolyric

cells cells,

distriburion,

with higher

is described.

without

end

has

‘y

form

assembly

machining.

sincering

improved

tubes and

yield

shape

closed

tube

closed-

cell

Business activities or

groups.

polymer

porosi allows

Invcntoou:

which are rhe sulfonic

of polymer

fuel

as the resultant

fuel properries

to

The

as an SOFC the

ceramic

tube

polymer

secondary

with

functions

PubLcution

blend

amino groups, by premixing

membranes

polymer

which

The

with

of a polymer

amino

also

with higher

a closed-

in

electrode,

USA

The method involves bonding an unfired cap to a hollow, unfired

is described.

such

Westinghouse

of manufacturing

manufacturing

cells and

tube,

Bracker

ceramic fuel

Corppo ration,

improved

porous

fuel

extruding

cell

I.999

G.-I?

Siemens

Power

USA

yield

density,

blends

and

primary,

fuel

oxygen

1.59

to

W. Nowak,

Appficant:

Westinghouse

for

involves

end

Stuttgart,

consisting

salt

K.

K.-I.

properties

support.

which

33154 13 1

2X October

C. Thompson,

powder,

sheet,

between

powder

oxide

a laminar

and the separator

assembly

cell

effective

solid

a tape-cast

a bond

of

separator

incorporating

for example

the

starter

polymer

acid

relates

ro a fuel

planar

end

rhe

relates and

acid

application

comprises

starter

A. Weiss

klpphcant; WniversitIt

containing

UK

to provide the

in particular fuel

Ltd,

coating

This

28 Ocrober

Sttihler,

containing

describes

manufacturing

and

Acid-base polymer

tertiary

UK

at

device

which

79154

sulfonic

coatings

Alstom

Applicant:

voltage

superior

WO

invention

A. Ueno,

of manufact-uring

improved

a sufficient

to

Inventoars:

33154348

28 October

Closed-end cell tubes

1999

fuel cell tubes

tubes

is

is obtained,

over

d&e:

28 October

Siemens Corporation,

WO

date:

films.

H. Nishiyama,

voltage

the

switches

produced

Glass-ceramic and sealing

Power

interrupts from

when

W.

Apphcant:

of the

and

Invento~x

power-

ceramic

voltage

voltage.

in

99154946

M. Aizawa,

Improved

A method

output

number:

is

phase;

stack

Patent

than

number:

Public&on

A method

starter

motor

output

PaLent

Hiwatashi

start-up

cell stack

output

WO date:

Omoshiki,

electric

A control

voltage

Publicakon

is better

interconnector

number:

mobile

output

membranes

lW9

October

1~~2wntors:A.B.

an

outpur

output.

blends

PubScation

a

or fuel

The

US 5972530

number:

of

the

the

air

Germany

during

operation. Patent

the

to the operating

stack

SOFC

existing

the CO.01

is

end

into

Fuel cell

and

water

and

that

battery

P~b~icution

channel

This

self-humidifying, product

flow

exrending

channel.

require

fuel

to a fluid

a

starter

to

compressor

by

which

atm,

of

flux film

operating

consists

motor

battery

patent

(PEM)

is connected

The

ncctor

Inventoars:

by a

sysrem

ensure

unit

start-up

hydrogen/air

membrane

assembly

the

is

start-up

required

permeation

intercon

Patent

cell Air

during

of the

the

battery

costs

fuel

compressor,

between

cells

cooling

and

an air-cooled,

solid

this

by liquid increase

manufacturing

system

provide

the

for

in a vehicle.

operation

different

Applicant:

are typically

the

Germany

mobile

power-driven

the

Air-cooled

into

drive

TD.

Judkins,

a

isas m/h

to a method

especially

moistened.

October

AG,

relates

starting-up

and

reforming, fuel

patent

system,

resulting

a fuel cell

Siemens

Apphcant:

the

of CO,

streams

Starting-up system The

Applications

the separation

hydrogen

which

of the desired

molecules

constituent

include

is

member,

around

’

Research Trendk 1. results

a

on

the world

The latest

and

and

articles

and dm?lc@cnts

research

pubhshed

the key joutnak

: : ii ’

stream. is then catalytic

and then

Patents Recently

fed

US a&W0

pubflshed pdents

Fuel Cells Bulletin No. 17