Flow battery energy systems for stationary applications - Part 1: Terminology and general aspects

IEC 62932-1:2020 relates to flow battery energy systems (FBES) used in electrical energy storage (EES) applications and provides the main terminology and general aspects of this technology, including terms necessary for the definition of unit parameters, test methods, safety and environmental issues.

Flussbatterie-Energiesysteme für stationäre Anwendungen - Teil 1: Terminologie und allgemeine Aspekte

Systèmes de production d’énergie de batteries d’accumulateurs à circulation d'électrolyte pour applications stationnaires – Partie 1: Terminologie et aspects généraux

L'IEC 62932-1:2020 traite des systèmes de production d’énergie à batteries d’accumulateurs à circulation d’électrolyte (FBES – Flow Battery Energy Systems) utilisés dans les applications de stockage d'énergie électrique (EES – Electrical Energy Storage) et fournit la terminologie principale et indique les aspects généraux de cette technologie, y compris les termes nécessaires à la définition des paramètres unitaires, des méthodes d’essai, de la sécurité et des problèmes environnementaux.

Energijski sistemi pretočnih baterij za vgrajeno opremo - 1. del: Terminologija in splošni vidiki

General Information

Status
Published
Publication Date
16-Apr-2020
Current Stage
6060 - Document made available - Publishing
Start Date
17-Apr-2020
Completion Date
17-Apr-2020

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SLOVENSKI STANDARD
01-februar-2021
Energijski sistemi pretočnih baterij za vgrajeno opremo - 1. del: Terminologija in
splošni vidiki
Flow battery energy systems for stationary applications - Part 1: Terminology and general
aspects
Ta slovenski standard je istoveten z: EN IEC 62932-1:2020
ICS:
29.220.99 Drugi členi in baterije Other cells and batteries
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62932-1

NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2020
ICS 29.220.99
English Version
Flow battery energy systems for stationary applications - Part 1:
Terminology and general aspects
(IEC 62932-1:2020)
Systèmes de production d'énergie de batteries Flussbatterie-Energiesysteme für stationäre Anwendungen
d'accumulateurs à circulation d'électrolyte pour applications - Teil 1: Terminologie und allgemeine Aspekte
stationnaires - Partie 1: Terminologie et aspects généraux (IEC 62932-1:2020)
(IEC 62932-1:2020)
This European Standard was approved by CENELEC on 2020-03-24. 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 CEN-CENELEC
Management Centre 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 CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62932-1:2020 E

European foreword
The text of document 21/1027/FDIS, future edition 1 of IEC 62932-1, prepared by IEC/TC 21
"Secondary cells and batteries" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 62932-1:2020.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2020-12-24
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2023-03-24
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

Endorsement notice
The text of the International Standard IEC 62932-1:2020 was approved by CENELEC as a European
Standard without any modification.

IEC 62932-1 ®
Edition 1.0 2020-02
INTERNATIONAL
STANDARD
colour
inside
Flow battery energy systems for stationary applications –

Part 1: Terminology and general aspects

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.220.99 ISBN 978-2-8322-7852-9

– 2 – IEC 62932-1:2020 © IEC 2020
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms, definitions and abbreviated terms . 5
3.1 Terms and definitions . 5
3.2 Abbreviated terms . 12
4 Descriptive overview of the flow battery . 12
4.1 Diagram of a flow battery system (FBS) . 12
4.2 Component descriptions and the boundaries . 13
4.3 Diagram of a flow battery energy system (FBES) . 13
4.4 Component descriptions and the boundaries of FBES . 14
Annex A (informative) Components of the flow battery energy system . 15
A.1 General . 15
A.2 Stacks – Revised description . 15
A.3 Fluid system . 15
Annex B (informative) Types of chemistries . 16

Figure 1 – Flow battery system (FBS) . 13
Figure 2 – Flow battery energy system (FBES) . 14

Table B.1 – Example chemistries of flow batteries . 16
Table B.2 – Example chemistries of hybrid flow batteries . 16

IEC 62932-1:2020 © IEC 2020 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FLOW BATTERY ENERGY SYSTEMS FOR STATIONARY APPLICATIONS –

Part 1: Terminology and general aspects

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 standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
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preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
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transparently to the maximum extent possible in their national and regional publications. Any divergence between
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6) All users should ensure that they have the latest edition of this publication.
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members of its technical committees and IEC National Committees for any personal injury, property damage or
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expenses arising out of 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 the 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 62932-1 has been prepared by IEC technical committee 21:
Secondary cells and batteries, in collaboration with IEC technical committee 105: Fuel cell
technologies.
The text of this International Standard is based on the following documents:
FDIS Report on voting
21/1027/FDIS 21/1037/RVD
Full information on the voting for the approval of this International Standard can be found in the
report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the IEC 62932 series, published under the general title Flow battery energy
systems for stationary applications, can be found on the IEC website.

– 4 – IEC 62932-1:2020 © IEC 2020
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct understanding
of its contents. Users should therefore print this document using a colour printer.

IEC 62932-1:2020 © IEC 2020 – 5 –
FLOW BATTERY ENERGY SYSTEMS FOR STATIONARY APPLICATIONS –

Part 1: Terminology and general aspects

1 Scope
This part of IEC 62932 relates to flow battery energy systems (FBES) used in electrical energy
storage (EES) applications and provides the main terminology and general aspects of this
technology, including terms necessary for the definition of unit parameters, test methods, safety
and environmental issues.
2 Normative references
There are no normative references in this document.
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1.1
ambient temperature
environmental temperature around a flow battery energy system
3.1.2
auxiliary energy
energy consumed by all the auxiliary equipment and components of a flow battery and of a flow
battery energy system
Note 1 to entry: The equipment and components include, but are not limited to, battery management system, battery
support system, fluid circulation system.
3.1.3
battery management system
BMS
electronic system associated with a flow battery energy system which monitors and/or manages
its state, calculates secondary data, reports that data and/or controls its environment to
influence the flow battery energy system’s performance and/or service life
Note 1 to entry: The function of the battery management system can be fully or partially assigned to the battery
pack and/or to equipment that uses flow battery energy store systems.
[SOURCE: IEC 61427-2:2015, 3.8, modified – admitted terms "battery management unit" and
"BMU" omitted, "battery" replaced by "flow battery energy system", Notes 2 to 4 deleted.]

– 6 – IEC 62932-1:2020 © IEC 2020
3.1.4
battery support system
BSS
auxiliary units, such as heat exchanger, ventilation system, safety system, and inert gas system,
used in an FBES, and which are not stacks, or part of the fluid circulation system, power
conversion system, or battery management system
Note 1 to entry: The battery support system is controlled by the battery management system.
3.1.5
charge
charging
operation during which a secondary cell or battery is supplied with electric energy
from an external circuit which results in chemical changes within the cell and thus the storage
of energy as chemical energy
Note 1 to entry: A charge operation is defined by its maximum voltage, current, duration and other conditions as
specified by the manufacturer.
[SOURCE: IEC 60050-482:2004, 482-05-27, modified – term "charging of a battery" separated
into "cha
...

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