1、 IEC 62877-1 Edition 1.0 2016-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Electrolyte and water for vented lead acid accumulators Part 1: Requirements for electrolyte lectrolyte et eau pour accumulateurs plomb-acide ouverts Partie 1: Exigences pour llectrolyte IEC 62877-1:2016-01(en-fr) THIS PUBL
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19、r cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 62877-1 Edition 1.0 2016-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Electrolyte and water for vented lead acid accumulators Part 1: Requirements for electrolyte lectrolyte et eau pour accumulateurs plomb-acide ouver
20、ts Partie 1: Exigences pour llectrolyte INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 29.220.20 ISBN 978-2-8322-3139-5 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warnin
21、g! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 62877-1:2016 IEC 2016 CONTENTS FOREWORD . 3 1 Scope 5 2 Normative references. 5 3 Terms and definitions 5 4 Preparati
22、on of electrolyte for lead-acid accumulators 7 5 Physical properties of diluted sulfuric acid as electrolyte . 7 5.1 Dependence of acid density on temperature 7 5.2 Relationship of electrolyte density on the content of sulfuric acid at 25 C 8 5.3 Electrolyte density compared to the state of discharg
23、e . 8 6 Requirements of sulfuric acid used as electrolyte . 8 6.1 Impurities of sulfuric acid of higher concentration degrees . 8 6.2 Impurities of filling acid 8 6.3 Impurities of operating electrolyte 9 7 Storage of electrolyte . 10 8 Remedy in the event of damage due to electrolyte 10 Bibliograph
24、y . 12 Table 1 Correction of density from measuring temperature to reference/specified temperature 7 Table 2 Acid density versus percentage of sulphuric acid at 25 C 8 Table 3 Maximum allowed impurities of diluted sulfuric acid as filling electrolyte for lead-acid batteries in the density range 1,30
25、 kg/l . 9 Table 4 Maximum allowed impurity of diluted acid as operating electrolyte for lead-acid batteries in the density range 1,30 kg/l . 10 IEC 62877-1:2016 IEC 2016 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTROLYTE AND WATER FOR VENTED LEAD ACID ACCUMULATORS Part 1: Requirements for ele
26、ctrolyte FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardizati
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35、the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to th
36、e possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 62877-1 has been prepared by IEC technical committee 21: Secondary cells and batteries. The
37、 text of this standard is based on the following documents: FDIS Report on voting 21/874/FDIS 21/881/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IE
38、C Directives, Part 2. 4 IEC 62877-1:2016 IEC 2016 A list of all parts of the IEC 62877 series can be found, under the general title Electrolyte and water for vented lead acid accumulators, on the IEC website. The committee has decided that the contents of this publication will remain unchanged until
39、 the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. IEC 62877-1:2016 IEC 2016 5 ELECTROLYTE AND WATER FOR VENTED LEAD
40、ACID ACCUMULATORS Part 1: Requirements for electrolyte 1 Scope This part of IEC 62877 applies to electrolyte and their components used for filling vented lead-acid batteries, for example dry charged cells or batteries, and for electrolyte replacement or electrolyte density adjustment of batteries in
41、 operation. This international standard defines the composition, purity and properties of electrolyte to be applied where specific instructions from the battery manufacturer are not available. 2 Normative references The following documents, in whole or in part, are normatively referenced in this doc
42、ument and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 62877-2, Electrolyte and water for vented lead acid accumulators Part 2: Requirements f
43、or water 3 Terms and definitions For the purposes of this document, the following terms and definitions apply 3.1 electrolyte diluted sulfuric acid (H 2 SO 4 ) for lead-acid accumulators Note 1 to entry: The electrolyte is prepared by mixing concentrated sulfuric acid or sulfuric acid with high dens
44、ity of d 1,30 kg/l and purified water to achieve the density values specified by the battery manufacturer or specified in standards related to the type and battery design in question for a defined state of charge. Its purity meet the requirements laid down in Table 3. Note 2 to entry: Concentrated s
45、ulfuric acid is a colorless, highly corrosive and etching liquid with a density 1,84 kg/l. 3.2 water purified water (H 2 O) used for the preparation of electrolyte for batteries and for the replacement (topping up) of water loss in the operating electrolyte due to decomposition of water by overcharg
46、ing and evaporation Note 1 to entry: Purified water meet the requirements specified in IEC 62877-2. 3.3 filling electrolyte diluted sulfuric acid to be used for the first filling of batteries or for the replacement of contaminated operating electrolyte 6 IEC 62877-1:2016 IEC 2016 3.4 first filling o
47、riginal filling of a battery carried out by the battery manufacturer or the user in accordance with the applicable manufacturers instructions 3.5 operating electrolyte electrolyte present in the battery following the first filling Note 1 to entry: The density values and the degree of purity of the o
48、perating electrolyte may deviate from the values of the filling electrolyte due to impurity input from replenishment by water and to elution from e.g. separators, active material and electrode grids. 3.6 electrolyte density value for the mass per volume expressed in kg/l Note 1 to entry: The density
49、 varies with the batterys state of charge, the electrolyte volume variation due to water loss and the temperature. 3.7 specified density density of the battery to be stated by the battery manufacturer valid at the maximum electrolyte level (see 3.10 ) at full state of charge of the battery at the reference temperature Note 1 to entry: It is related to the application and design of the battery. 3.8 reference temperature f
