ISO INTERNATIONAL STANDARD 12405-4 First edition 2018-07 Electrically propelled road vehicles Test specification for lithium-ion traction battery packs and systems Part 4: Performance testing Vehicules routiers a propulsion électrique - Spécifications d'essai pour packs et systemes de batterie de traction aux ions lithium Partie 4: Essais deperformance Reference number IS0 12405-4:2018(E) @ IS0 2018 license from IHS Not for Resale, 08/06/2018 07:52:00 MDT IS0 12405-4:2018(E) COPYRIGHTPROTECTEDDOCUMENT @IS02018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting below or Iso's member body in the country of the requester. ISO copyright office CP401·Ch.deBlandonnet8 CH-1214 Vernier, Geneva Phone:+4122 749 0111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland @ IS0 2018 - All rights reserved Not for Resale, 08/06/2018 07:52:00 MDT IS0 12405-4:2018(E) Contents Page Foreword ..V Introduction. ...vi 1 Scope. 2 Normative references 3 Terms and definitions 4 Symbols and abbreviated terms 4.1 Symbols. .4 4.2 Abbreviated terms ..5 5 General requirements ..6 5.1 General conditions. .6 5.1.1 Prerequisites 5.1.2 Accuracy of measurement equipment and measured values. .6 5.2 Test sequence plan... ..7 5.3 Tests. .7 5.4 Preparation of battery pack and system for bench testing. 5.4.1 Preparation of battery pack ..7 5.4.2 Preparation of battery system. ..8 6 General tests ..8 Preconditioning cycles 6.1 6.1.1 Purpose .8 6.1.2 Test procedures .8 6.2 Standard Cycle (SC), .9 6.2.1 Purpose. 6.2.2 Test procedures. .9 7 Performance tests. .10 7.1 Energy and capacity at RT. .10 7.1.1 Purpose ..10 7.1.2 Test procedures. .11 7.1.3 Determination of rated capacity ..12 7.2 Energy and capacity at different temperatures and discharge rates. ..13 7.2.1 Purpose .13 7.2.2 Test procedure .13 7.2.3 Requirements 20 7.3 Power and internal resistance. 20 7.3.1 Purpose. 20 7.3.2 Pulse power characterization profile .20 7.3.3 Test procedure 27 7.3.4 Requirements 31 7.4 No load Soc loss 31 7.4.1 Purpose. 31 7.4.2 Test procedure 32 7.4.3 Test sequence. 33 7.4.4 Requirement. 35 7.5 Soc loss at storage. 35 7.5.1 Purpose 35 7.5.2 Test procedure 36 7.5.3 Test sequence. 36 7.5.4 Requirement 36 7.6 Cranking power at low temperature. .37 7.6.1 Purpose. .37 7.6.2 Test procedure .37 7.6.3 Requirement 38 iii withoutlicensefrom IHS Not for Resale, 08/06/2018 07:52:00 MDT