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Saft, the brand name of the battery activity within Alcatel’s Cables and Components Sector,

hold a leading position in the worldwide marketplace of self-contained energy solutions. Saft’s product range

includes portable power sources, industrial and advanced technology and power systems.

As one of Saft’s three product groups, the Advanced and Industrial Battery Group spans an extremely broad range of industrial

applications : aircraft, railways, electric vehicles, space, defense and other industries.

Its plants, located in Bordeaux, Poitiers, France, Oskarshamn, Sweden and Valdosta, Georgia, U.S.A., are operated through a

quality management system that extends to R&D and production automation. All sites are ISO 9001 certified.

Nickel-cadmium batteries are 99.9% recyclable and Saft operates its own dedicated recycling center.

SAFT ADVANCED AND INDUSTRIAL BATTERY’S WORLDWIDE NETWORK

Société anonyme au capital de 500 011 900 F - RCS Bobigny B 343 588 737- Photo: Saft - AA - Printed in the UK

Advanced and Industrial Battery Group

156, avenue de Metz - 93230 Romainville - France

Tel: +33 (0)1 49 15 36 00 - Fax: +33 (0)1 49 15 34 00

Doc. No. R08.99 - 21050.2

Data in this document are subject to change without notice and becomes contractual only after written confirmation

Visit the Saft web site

www.saft.alcatel.com

ARGENTINA

Saft Argentina SA

Buenos Aires
Tel: +54 11 4 686 1994
Fax: +54 11 4 686 1925

AUSTRALIA

Saft Pty Ltd

Seven Hills
Tel: +61 2 9674 0700
Fax: +61 2 9620 9990

BELGIUM

NV Safta SA

Brussels
Tel: +32 2 556 44 00
Fax: +32 2 520 16 84

BRAZIL

Saft Ltda.

São Paulo
Tel: +55 11 6100 6300
Fax: +55 11 6100 6338

CANADA

Please contact
USA office

FINLAND

Saft OY

Espoo
Tel: +358 9 867 8060
Fax: +358 9 867 80610

FRANCE

Division France

Romainville
Tel: +33 (0)1 49 15 36 00
Fax: +33 (0)1 49 15 34 00

GERMANY

Saft GmbH

Nuremberg
Tel: +49 911 94 1740
Fax: +49 911 426 144

HONG-KONG

Saft Ltd

Kowloon
Tel: +852 2795 27 19
Fax: +852 2798 05 77

ITALY

Saft SpA

Genova
Tel: +39 10 37 47 911
Fax: +39 10 38 62 73

JAPAN

Sumitomo Corp.

Tokyo
Tel: +81 3 3230 7010
Fax: +81 3 3237 5370

KOREA

Saft Korea Co Ltd

Kyunggi-Do
Tel: +82 343 41 1134
Fax: +82 343 41 1139

MALAYSIA

Saft Bhd

Kuala Lumpur
Tel: +60 3 985 29 96
Fax: +60 3 984 49 95

MEXICO

Saft Mexico SA de CV

Naucalpan
Tel: +52 5 301 25 13
Fax: +52 5 301 36 17

MIDDLE EAST

Saft ME Ltd

Limassol, Cyprus
Tel: +357 53 40 637
Fax: +357 57 58 492

NETHERLANDS

Saft BV

Haarlem
Tel: +31 23 5 150 800
Fax: +31 23 5 329 997

NORWAY

Saft AS

Oslo
Tel: +47 22 51 15 50
Fax: +47 22 51 15 40

SINGAPORE

Saft Pte Ltd

Singapore
Tel: +65 84 65 709
Fax: +65 743 1037

SPAIN

Saft Iberica

Madrid
Tel: +34 91 330 78 47
Fax: +34 91 330 64 37

SWEDEN

Saft AB

Solna
Tel: +46 8 5984 9750
Fax: +46 8 5984 9755

UNITED KINGDOM

Saft Ltd

Hainault
Tel: +44 20 8 498 1177
Fax: +44 20 8 498 1115

USA

Saft America Inc

North Haven
Tel: +1 203 239 4718
Fax: +1 203 234 7598

Contents

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Contents

Содержание SBL

Страница 1: ...Nickel cadmium block battery Technical manual...

Страница 2: ...lly safe 4 2 13 Low life cycle cost 4 3 Electrochemistry of nickel cadmium batteries 5 4 Construction features of the block battery 6 4 1 Plate assembly 7 4 2 Separation 8 4 3 Electrolyte 8 4 4 Termin...

Страница 3: ...technical manuals are available which address the particular characteristics of these ranges 6 7 Cycling 14 6 8 Effect of temperature on lifetime 14 6 9 Water consumption and gas evolution 16 7 Batter...

Страница 4: ...nd operating characteristics of the Saft Nife pocket plate block battery to enable a successful battery system to be achieved A battery which while retaining all the advantages arising from nearly 100...

Страница 5: ...see section 9 2 Mechanical abuse 2 8 High resistance to electrical abuse The block battery will survive abuse which would destroy a lead acid battery for example overcharging deep discharging and high...

Страница 6: ...in the electrochemistry of the process and are naturally corroded during the life of the battery The charge discharge reaction is as follows During discharge the trivalent nickel hydroxide is reduced...

Страница 7: ...blocks of 1 10 cells depending on the cell size Plate group bus Connects the plate tabs with the terminal post Plate tabs and terminal post are projection welded to the plate group bus Separating grid...

Страница 8: ...ssembly The nickel cadmium cell consists of two groups of plates the positive containing nickel hydroxide and the negative containing cadmium hydroxide The active materials of the Saft Nife pocket pla...

Страница 9: ...n the cell plates irrespective of the charge level In most applications the electrolyte will retain its effectiveness for the life of the battery and will never need replacing However under certain co...

Страница 10: ...d 4 They can be recognized from the block dimensions as follows Block width mm Block height mm Plate module 123 194 1 123 264 2 195 349 3 195 405 4 Table 1 Correlation between block dimensions and pla...

Страница 11: ...e different discharge types The choice is related to the discharge time and the end of discharge voltage There are of course many applications where there are multiple discharges and so the optimum ra...

Страница 12: ...cations 5 3 Type H The SBH is designed for applications where there is a demand for a relatively high current over short periods usually less than 30 minutes in duration The applications can have freq...

Страница 13: ...sistance of a block battery cell depends on the performance type and at normal temperature has the values given in Table 3 in milliohms per Ah of capacity To obtain the internal resistance of a cell i...

Страница 14: ...e for operating temperatures from 30 C to 50 C Figure 1 a Temperature derating factors for H type plate 1 2 1 0 8 0 6 0 4 0 2 40 20 0 20 40 Derating factor special electrolyte required for continuous...

Страница 15: ...ncountered in stationary applications This can vary from low depth of discharges to discharges of up to 100 and the number of cycles that the product will be able to provide will depend on the depth o...

Страница 16: ...s reduced to less than 1 year if used at 50 C 15 Figure 2 Capacity loss on open circuit stand 100 90 80 70 60 50 0 50 100 150 200 250 300 350 400 Percentage of initial capacity 40 C Open circuit perio...

Страница 17: ...f discharge of the electrodes The overcharge current is a function of both voltage and temperature so both have an influence on the consumption of water Figure 5 gives typical water consumption values...

Страница 18: ...previous discharge The factors used for this will depend on the depth of discharge the rate of discharge and the charge voltage and current A requirement for a high state of charge does not justify a...

Страница 19: ...and so the minimum voltage for the single level and the two level charge voltage is the normally recommended value This also helps within a voltage window to obtain the lowest and most effective end o...

Страница 20: ...w than the two rate charger The two rate charger has an initial high voltage stage to charge the battery followed by a lower voltage maintenance charge This allows the battery to be charged quickly an...

Страница 21: ...tage 1 50 volts per cell Charge Time hours Charging Voltage 1 40 volts per cell Charging Voltage 1 45 volts per cell Charging Voltage 1 55 volts per cell Current Limit 0 2 C5A Temperature 20 25 C H ty...

Страница 22: ...harge times from a fully discharged state for the L block 130 120 110 100 90 80 70 60 50 40 30 20 10 0 0 5 10 15 20 25 30 35 Available Capacity of rated capacity Charging Voltage 1 50 volts per cell C...

Страница 23: ...A constant current first charge is preferable and this should be such as to supply 300 of the rated capacity of the cell Thus a 250 Ah cell will require 750 ampere hours input e g 50 amperes for 15 h...

Страница 24: ...cid batteries this will lead to failure of the battery and is unacceptable The block battery is designed to make recovery from this situation possible Overcharge In the case of the block battery with...

Страница 25: ...0 45 liters of hydrogen 10 Installation and storage 10 1 Batteries on arrival On receiving the battery open the cases and check for any indication of damage in transit Remove the cells and any access...

Страница 26: ...0 45 liters of hydrogen 10 Installation and storage 10 1 Batteries on arrival On receiving the battery open the cases and check for any indication of damage in transit Remove the cells and any access...

Страница 27: ...of 2 for example the air in the room will need changing 3 2 1 5 times per hour In practice a typical figure for natural room ventilation is about 2 5 air changes per hour and so in this case it would...

Страница 28: ...of 2 for example the air in the room will need changing 3 2 1 5 times per hour In practice a typical figure for natural room ventilation is about 2 5 air changes per hour and so in this case it would...

Страница 29: ...tery operations the electrolyte will retain its effectiveness for the life of the battery Thus normally it is not necessary to change the electrolyte However under certain battery operating conditions...

Страница 30: ...Saft Argentina SA Buenos Aires Tel 54 11 4 686 1994 Fax 54 11 4 686 1925 AUSTRALIA Saft Pty Ltd Seven Hills Tel 61 2 9674 0700 Fax 61 2 9620 9990 BELGIUM NV Safta SA Brussels Tel 32 2 556 44 00 Fax 3...

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