EN 60993:2002

Electrolyte for vented nickel-cadmium cells

Applies to electrolytes and their components when used in vented nickel-cadmium cells.

Elektrolyt für geschlossene wiederaufladbare Nickel-Cadmium-Zellen

Electrolyte pour éléments ouverts au nickel-cadmium

S'applique aux électrolytes et à leurs constituants pour utilisation dans les éléments ouverts au nickel-cadmium.

Electrolyte for vented nickel-cadmium cells

General Information

• Status: Published
• Publication Date: 29-Jul-2002
• Withdrawal Date: 29-Jan-2003
• ICS: 29.220.30 - Alkaline secondary cells and batteries
• Technical Committee: CLC/TC 21X - Secondary cells and batteries
• Drafting Committee: IEC/SC 21A - IEC_SC_21A
• Parallel Committee: IEC/SC 21A - IEC_SC_21A
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 30-Jul-2002
• Completion Date: 30-Jul-2002
• Ref Project: SIST EN 60993:2003 (HD 585 S1:1991) - Electrolyte for vented nickel-cadmium cells

Relations

• Replaces: HD 585 S1:1991 - Electrolyte for vented nickel-cadmium cells
• Effective Date: 29-Jan-2023

Standards Content (Sample)

SLOVENSKI SIST EN 60993:2003 (HD 585
S1:1991)

STANDARD
april 2003
Electrolyte for vented nickel-cadmium cells
ICS 29.220.30 Referenčna številka
SIST EN 60993:2003 (HD 585
S1:1991)(en)
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

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EUROPEAN STANDARD EN 60993
NORME EUROPÉENNE
EUROPÄISCHE NORM July 2002
ICS 29.220.30 Supersedes HD 585 S1:1991
English version
Electrolyte for vented nickel-cadmium cells
(IEC 60993:1989)
Electrolyte pour éléments Elektrolyt für geschlossene
ouverts au nickel-cadmium wiederaufladbare Nickel-Cadmium-Zellen
(CEI 60993:1989) (IEC 60993:1989)
This European Standard was approved by CENELEC on 2002-07-01. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and
notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta,
Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2002 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60993:2002 E

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EN 60993:2002 - 2 -
Foreword
The text of the International Standard IEC 60993:1989, prepared by SC 21A, Secondary cells and
batteries containing alkaline or other non-acid electrolytes, of IEC TC 21, Secondary cells and
batteries, was approved by CENELEC as HD 585 S1 on 1991-02-01.
This Harmonization Document was submitted to the formal vote for conversion into a European
Standard and was approved by CENELEC as EN 60993 on 2002-07-01.
The following date was fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2003-07-01
Annexes designated "informative" are given for information only.
In this standard, annexes A and B are informative.
__________
Endorsement notice
The text of the International Standard IEC 60993:1989 was approved by CENELEC as a European
Standard without any modification.
__________

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NORME
CEI
INTERNATIONALE
IEC
60993
INTERNATIONAL
Première édition
STAN DARD
First edition
1989-07
Electrolyte pour
éléments ouverts
au nickel-cadmium
Electrolyte for vented
nickel-cadmium cells
© IEC 1989 Droits de reproduction réservés
— Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni
No part of this publication may be reproduced or utilized in
utilisée sous quelque forme que ce soit et par aucun
any form or by any means, electronic or mechanical,
procédé, électronique ou mécanique, y compris la photo-
including photocopying and microfilm, without permission in
copie et les microfilms, sans l'accord écrit de l'éditeur.
writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: [phone] e-mail: [e-mail] IEC web site http: //www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale
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PRICE CODE
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HOMHCCHA
Pour prix, voir catalogue en vigueur
• •
For price, see current catalogue

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I EC 993 © 3
CONTENTS
Page
FOREWORD 5
PREFACE 5
Clause
1. Scope 7
2. Object 7
3. Definitions 7
7
3.1 Classification of impurities
9
3.2 Filling electrolyte
9
3.3 Operating electrolyte
3.4 Replacement electrolyte 9
4. Preparation of the electrolyte 9
4.1 Requirements of potassium hydroxide (KOH), solid and
liquid, supplied for preparation of electrolytes 9
4.2 Requirements of water used for topping up and preparation
13
of electrolytes
4.3 Requirements of solid lithium hydroxide (LiOH, H 2O) used
as an additive for preparation of electrolytes 15
5. Requirements 15
for filling and replacement electrolytes
6. Physical and chemical requirements of electrolyte 17
6.1 Density of elec
...