prEN IEC 62933-4-2:2023

SLOVENSKI STANDARD
oSIST prEN IEC 62933-4-2:2023
01-julij-2023
Sistemi za shranjevanje električne energije - 4-2. del: Ocenjevanje učinkov na
okolje pri odpovedi baterije v sistemu, ki temelji na elektrokemičnem hranilniku
Electric Energy Storage Systems - Part 4-2: Assessment of the environmental impact of
battery failure in an electrochemical based storage system
Ta slovenski standard je istoveten z: prEN IEC 62933-4-2:2023
ICS:
27.010 Prenos energije in toplote na Energy and heat transfer
splošno engineering in general
oSIST prEN IEC 62933-4-2:2023 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN IEC 62933-4-2:2023

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oSIST prEN IEC 62933-4-2:2023
120/316/CDV

COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62933-4-2 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2023-05-19 2023-08-11
SUPERSEDES DOCUMENTS:
120/283/CD, 120/288B/CC

IEC TC 120 : ELECTRICAL ENERGY STORAGE (EES) SYSTEMS
SECRETARIAT: SECRETARY:
Japan Mr Hideki HAYASHI
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

TC 21,SC 21A,TC 111,ACEA
Other TC/SCs are requested to indicate their interest, if any, in
this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees,
members of CENELEC, is drawn to the fact that this
Committee Draft for Vote (CDV) is submitted for
parallel voting.
The CENELEC members are invited to vote through
the CENELEC online voting system.

This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which
they are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In So me Countries”
clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for
submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Electric Energy Storage Systems - Part 4-2- Assessment of the environmental impact of battery
failure in an electrochemical based storage system

PROPOSED STABILITY DATE: 2029

NOTE FROM TC/SC OFFICERS:
This CDV hae been reflected the observations of 120/288B/CC.

Copyright © 2023 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to download
this electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee
positions. You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose
without permission in writing from IEC.

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oSIST prEN IEC 62933-4-2:2023
IEC CDV 62933-4-2 © IEC 2023 2 120/316/CDV

1 CONTENTS
2 FOREWORD . 3
3 1 Scope. 5
4 2 Normative references . 5
5 3 Terms, definitions, abbreviated terms and symbols . 5
6 4 General . 7
7 5 Failure of the electrochemical accumulation system in a BESS resulting
8 in environmental issues . 7
9 5.1 General . 7
10 5.2 Classification of BESS Types . 8
11 5.3 Schematic view of the component groups in a BESS . 9
12 6 Guidelines for assessing the environmental impact of a failure of the
13 battery of the BESS . 10
14 6.1 General . 10
15 6.2 Description of batteries used in BESS applications . 10
16 6.2.1 General . 10
17 6.2.2 Cells with non-aqueous electrolyte – C-A type . 10
18 6.2.3 Cells with aqueous electrolyte – C-B type . 11
19 6.2.4 Cells with solid electrolyte operating at temperatures above 250°C
20 – C-C type . 12
...