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BSI PD IEC/TS 62607-4-5:2017

BSI PD IEC/TS 62607-4-5:2017

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Nanomanufacturing. Key control characteristics – Cathode nanomaterials for nano-enabled electrical energy storage. Electrochemical characterization, 3-electrode cell method

Published By Publication Date Number of Pages
BSI 2017 26
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This part of IEC 62607 provides a standardized method for the determination of electrochemical properties of cathode nanomaterials such as lithium iron phosphate (LFP) for electrical energy storage devices. This method will enable the industry to:

  1. decide whether or not a cathode nanomaterial is usable, and

  2. select a cathode nanomaterial suitable for their application.

This document includes:

  • recommendations for sample preparation,

  • outlines of the experimental procedures used to measure cathode nanomaterial properties,

  • methods of interpretation of results and discussion of data analysis, and

  • case studies.

NOTE The very purpose of this method is to arrive at a detailed characterization of the electrodes so that individual contribution of the anode and cathode for performance and degradation could be predicted. The method can be applied for characterization of the electrode working as cathode or/and as anode.

PDF Catalog

PDF Pages PDF Title
4 CONTENTS
6 FOREWORD
8 INTRODUCTION
9 1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
11 3.2 Abbreviated terms
4 Sample preparation methods
4.1 General
4.2 Reagents
4.2.1 Cathode foil
12 4.2.2 Anode foil
4.2.3 Reference electrode
4.2.4 Electrolyte and separator
4.3 Pre-treatment of the electrode materials
13 4.4 Preparation of the screw cell
14 4.5 Disassembly of the screw cell
5 Measurement of electrochemical properties
5.1 General
5.2 Open circuit potential
5.2.1 Demarcation of method
5.2.2 Experimental procedures and measurement conditions
15 5.3 Potentiostatic electrochemical impedance spectroscopy (EIS)
5.3.1 Demarcation of method
5.3.2 Experimental procedures and measurement conditions
5.4 Charge-discharge experiment (Constant Current Constant Voltage, CCCV/CC)
5.4.1 Demarcation of method
5.4.2 Experimental procedures and measurement conditions
16 6 Data analysis / interpretation of results (see Figure A.7)
6.1 Open circuit potential
6.2 Electrochemical impedance spectroscopy
6.3 Constant current constant voltage (CC CV) charging-discharging
18 Annex A (informative) Case study
A.1 Sample preparation
Figures
Figure A.1 – 3-electrode screw cell
Figure A.2 – Components of the electrochemical cell used for testing
20 Figure A.3 – 3-electrode screw cell assembling steps
21 A.2 Results for a LFP electrode
A.2.1 Open circuit voltage/potential (OCV/P)
A.2.2 Electrochemical impedance spectroscopy (EIS)
Figure A.4 – Open circuit voltage/potential (OCV/P)
Figure A.5 – Electrochemical impedance spectra
22 A.2.3 Constant current constant voltage (CCCV/CC) charging-discharging
A.2.4 Ageing tests
Figure A.6 – Constant current constant voltage (CCCV/CC) charging-discharging
24 Figure A.7 – Comparison of results of ageing tests using 3-electrode screw cell

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BSI PD IEC/TS 62607-4-5:2017
$142.49