IEC_TS_62607-4-5-2017.pdf

IEC TS 62607-4-5 Edition 1.0 2017-01 TECHNICAL SPECIFICATION Nanomanufacturing K ey control characteristics Part 4-5:Cathode nanomaterials for nano-enabled electrical energy storage Electrochemical characterization,3-electrode cell method IEC T S 62607-4-5:2017-01(en)colourinside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2017 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local IEC member National Committee for further information.IEC Central Office Tel.:+41 22 919 02 11 3,rue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigenda or an amendment might have been published.IEC Catalogue-webstore.iec.ch/catalogue The stand-alone applica tion for consulting the entir e bibliogr aphical informa tion on IEC International Standar ds,Technical Specifica tions,Technical Reports and other documents.Av ailable for PC,Mac OS,Android Tablets and iPad.IEC publications search-www.iec.ch/searchpub The adv anced sear ch enables to find IEC publications by a var iety of cr iter ia(refer ence number,text,technica l committee,).It also gives infor ma tion on pr ojects,replaced and w ithdraw n publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to da te on all new IEC publications.Just Published details all new publica tions released.Av ailable online and also once a month by email.Electropedia-www.electropedia.org The w or lds leading online dictionary of electronic and electrical terms containing 20 000 terms and definitions in English and Fr ench,w ith equiv alent ter ms in 16 additional languages.Also k nown as the Inter national Electr otechnical Vocabulary(IEV)online.IEC Glossary-std.iec.ch/glossary 65 000 electrotechnical terminology entries in English and Fr ench extracted fr om the Terms and Definitions clause of IEC publica tions issued since 2002.Some entr ies hav e been collected from ear lier publications of IEC TC 37,77,86 and CISPR.IEC Customer Serv ice Centre-webstore.iec.ch/csc If you w ish to giv e us your feedback on this publication or need fur ther assistance,plea se contact the Customer Ser v ice Centre:csciec.ch.IEC TS 62607-4-5 Edition 1.0 2017-01 TECHNICAL SPECIFICATION Nanomanufacturing K ey control characteristics Part 4-5:Cathode nanomaterials for nano-enabled electrical energy storage Electrochemical characterization,3-electrode cell method INT ERNAT IONAL ELECT ROT ECHNICAL COMMISSION ICS 07.030;07.120 ISBN 978-2-8322-3766-3 Registered t rademark of the Internat ional Electrotechnica l Commission Warning!Mak e sure that you obtained this publication from an authorized distributor.colourinside 2 IEC TS 62607-4-5:2017 IEC 2017 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms,definitions and abbreviated terms.7 3.1 Terms and definitions.7 3.2 Abbreviated terms.9 4 Sample preparation methods.9 4.1 General.9 4.2 Reagents.9 4.2.1 Cathode foil.9 4.2.2 Anode foil.10 4.2.3 Reference electrode.10 4.2.4 Electrolyte and separator.10 4.3 Pre-treatment of the electrode materials.10 4.4 Preparation of the screw cell.11 4.5 Disassembly of the screw cell.12 5 Measurement of electrochemical properties.12 5.1 General.12 5.2 Open circuit potential.12 5.2.1 Demarcation of method.12 5.2.2 Experimental procedures and measurement conditions.12 5.3 Potentiostatic electrochemical impedance spectroscopy(EIS).13 5.3.1 Demarcation of method.13 5.3.2 Experimental procedures and measurement conditions.13 5.4 Charge-discharge experiment(Constant Current Constant Voltage,CCCV/CC).13 5.4.1 Demarcation of method.13 5.4.2 Experimental procedures and measurement conditions.13 6 Data analysis/interpretation of results(see Figure A.7).14 6.1 Open circuit potential.14 6.2 Electrochemical impedance spectroscopy.14 6.3 Constant current constant voltage(CC CV)charging-discharging.14 Annex A(informative)Case study.16 A.1 Sample preparation.16 A.2 Results for a LFP electrode.19 A.2.1 Open circuit voltage/potential(OCV/P).19 A.2.2 Electrochemical impedance spectroscopy(EIS).19 A.2.3 Constant current constant voltage(CCCV/CC)charging-discharging.20 A.2.4 Ageing tests.20 Figure A.1 3-electrode screw cell.16 Figure A.2 Components of the electrochemical cell use