Secondary cells and batteries containing alkaline or other non-acid electrolytes - Safety requirements for secondary lithium cells and batteries for use in electrical energy storage systems

IEC 63056:2020 specifies requirements and tests for the product safety of secondary lithium cells and batteries used in electrical energy storage systems (Figure 2) with a maximum DC voltage of 1 500 V (nominal).
Basic safety requirements for the secondary lithium cells and batteries used in industrial applications are included in IEC 62619. This document provides additional or specific requirements for electrical energy storage systems.
Since this document covers batteries for various electrical energy storage systems, it includes those requirements which are common and minimum to the electrical energy storage systems.
Examples of appliances that are within the scope of this document are:
• telecommunications,
• central emergency lighting and alarm systems,
• stationary engine starting,
• photovoltaic systems,
• home (residential) energy storage systems (HESS), and
• large energy storage: on-grid/off-grid.
This document applies to cells and batteries for uninterruptible power supplies (UPS).
This document does not apply to portable systems 500 Wh or below, which are covered by IEC 61960-3.
The contents of the corrigendum of June 2021 have been included in this copy.

Accumulateurs alcalins et autres accumulateurs à électrolyte non acide - Exigences de sécurité pour les accumulateurs au lithium pour utilisation dans des systèmes de stockage d’énergie électrique

L'IEC 63056:2020 spécifie les exigences et les essais pour la sécurité des produits des éléments et des batteries d'accumulateurs au lithium utilisés dans des systèmes de stockage d'énergie électrique (Figure 2) ayant une tension continue maximale de 1 500 V (nominale).
L'IEC 62619 comprend les exigences relatives à la sécurité de base des éléments et batteries d'accumulateurs au lithium utilisés dans les applications industrielles. Le présent document inclut des exigences complémentaires ou particulières concernant les systèmes de stockage d'énergie électrique.
Étant donné que le présent document couvre les batteries de différents systèmes de stockage d'énergie électrique, elle comprend les exigences minimales et communes aux systèmes de stockage d'énergie électrique.
Les types suivants d'appareils sont des exemples d'appareils relevant du domaine d'application du présent document:
• télécommunications,
• systèmes centraux d'éclairage d'urgence et d'alarme d'urgence,
• démarrage de moteur stationnaire,
• systèmes photovoltaïques,
• systèmes domestiques (résidentiels) de stockage d'énergie électrique (HESS, home energy storage systems), et
• stockage d'énergie à grande échelle: sur réseau/hors réseau.
Le présent document s'applique aux éléments et batteries conçus pour les alimentations sans interruption (ASI).
Le présent document ne s'applique pas aux systèmes portables de 500 Wh ou moins, qui sont couverts par l'IEC 61960-3.
Le contenu du corrigendum de juin 2021 a été pris en considération dans cet exemplaire.

General Information

Status
Published
Publication Date
26-Mar-2020
Current Stage
PPUB - Publication issued
Start Date
21-Feb-2020
Completion Date
27-Mar-2020
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IEC 63056 ®
Edition 1.0 2020-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Secondary cells and batteries containing alkaline or other non-acid
electrolytes – Safety requirements for secondary lithium cells and batteries
for use in electrical energy storage systems

Accumulateurs alcalins et autres accumulateurs à électrolyte non acide –
Exigences de sécurité pour les accumulateurs au lithium pour utilisation
dans des systèmes de stockage d'énergie électrique

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IEC 63056 ®
Edition 1.0 2020-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Secondary cells and batteries containing alkaline or other non-acid

electrolytes – Safety requirements for secondary lithium cells and batteries

for use in electrical energy storage systems

Accumulateurs alcalins et autres accumulateurs à électrolyte non acide –

Exigences de sécurité pour les accumulateurs au lithium pour utilisation

dans des systèmes de stockage d'énergie électrique

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.220.30 ISBN 978-2-8322-7862-8

– 2 – IEC 63056:2020 © IEC 2020
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 7
3 Terms and definitions . 7
4 Parameter measurement tolerances . 9
5 General safety considerations . 10
5.1 General . 10
5.2 Insulation and wiring . 10
5.3 The peak voltage of charging . 11
6 Type test conditions . 11
6.1 General . 11
6.2 Test items . 11
7 Specific requirements and tests . 12
7.1 Basic requirement . 12
7.2 Resistance to abnormal heat . 12
7.3 Casing material of a battery system that can be transported for installation
or maintenance . 12
7.4 Electric insulation check during transport and installation. 12
7.5 Charging procedures for test purposes . 13
7.6 Protection against short circuit during transport and installation . 13
7.7 Protection for reverse connection . 13
7.8 Overdischarge control of voltage (battery system) . 14
7.9 Drop test . 14
7.9.1 General . 14
7.9.2 Whole drop test . 15
7.9.3 Edge and corner drop test . 15
8 Information for Safety . 16
9 Marking and designation . 16
Annex A (informative) Wiring, connections and supply . 17
Bibliography . 18

Figure 1 – IEC 62619 as umbrella standard to various industrial applications. 5
Figure 2 – Scope of IEC 63056 . 6
Figure 3 – Impact location . 15
Figure 4 – Configuration for the shortest edge drop test . 16
Figure 5 – Configuration for the corner drop test . 16

Table 1 – Type test . 12
Table 2 – Drop test method and condition . 14
Table A.1 – IEC 60950-1:2005 subclauses addressing wiring, connections and supply . 17
Table A.2 – Wiring, connections and supply, as addressed in IEC 62368-1 . 17

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SECONDARY CELLS AND BATTERIES CONTAINING ALKALINE OR OTHER
NON-ACID ELECTROLYTES – SAFETY REQUIREMENTS FOR SECONDARY
LITHIUM CELLS AND BATTERIES FOR USE IN ELECTRICAL ENERGY
STORAGE SYSTEMS
FOREWORD
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