This part of IEC 62830 describes terms, definitions, symbols, configurations, and test methods that can be used to evaluate and determine the performance characteristics of flexible piezoelectric energy harvesting devices for practical use. This document is applicable to energy harvesting devices for consumers, general industries, wearable electronics, military, and biomedical applications without any limitations of device technology and size.<\/p>\n
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| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 4<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 3.1 General terms <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | Figures Figure 1 \u2013 Flexible energy harvester using a flexible substrate with a piezoelectric film <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 3.2 Piezoelectric transducer 3.3 Characteristic parameters <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | Figure 2 \u2013 Equivalent circuit of flexible piezoelectric energy harvester <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 4 Essential ratings and characteristic parameters 4.1 Limiting values and operating conditions Table 1 \u2013 Specification parameters for flexible piezoelectric energy harvesters <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 4.2 Additional information 5 Test method 5.1 General <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 5.2 Electrical characteristics 5.2.1 Test procedure Figure 3 \u2013 Measurement procedure of flexible piezoelectric energy harvesters <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 5.2.2 Capacitance Figure 4 \u2013 Test setup for the electrical characteristics of a flexiblepiezoelectric energy harvester <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 5.2.3 Open circuit voltage 5.2.4 Short circuit current Figure 5 \u2013 Open circuit voltage of a flexible piezoelectric energy harvester Figure 6 \u2013 Short circuit current of a flexible piezoelectric energy harvester <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 5.2.5 Open circuit voltage with various induced strains 5.2.6 Short circuit current with various induced strains Figure 7 \u2013 Open circuit voltage of the flexible piezoelectric energy harvesterwith various induced strains <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 5.2.7 Open circuit voltage with various induced frequencies Figure 8 \u2013 Short circuit current of the flexible piezoelectric energy harvesterwith various induced strains <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 5.2.8 Short circuit current with various induced frequencies Figure 9 \u2013 Open circuit voltage of the flexible piezoelectric energy harvesterwith various induced frequencies <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 5.2.9 Output load voltage Figure 10 \u2013 Short circuit current of the flexible piezoelectric energy harvesterwith various induced frequencies <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 5.2.10 Output current 5.2.11 Output power Figure 11 \u2013 Output load voltages of flexible piezoelectric energy harvesterat various external loads Figure 12 \u2013 Output current of the flexible piezoelectric energy harvesterat various output voltages <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 5.2.12 Optimal load impedance 5.2.13 Maximum output power 5.2.14 Test procedure Figure 13 \u2013 Output power of the flexible piezoelectric energy harvesterat various external loads Figure 14 \u2013 Output power and voltage of the flexible piezoelectric energyharvester at various input bending, stretching, or twisting motions <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 5.2.15 Temperature range Figure 15 \u2013 Block diagram of a test setup for evaluating the reliability ofthe flexible piezoelectric energy harvester <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | 5.2.16 Relative humidity range 5.2.17 Input bending motion range 5.2.18 Input stretching motion range 5.2.19 Input twisting motion range <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Annex A (informative)Piezoelectric modes A.1 General A.2 d33 mode A.3 d31 mode <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | Figure A.1 \u2013 Piezoelectric mode of the bending beam based energy harvester <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | Annex B (informative)Classification of flexible piezoelectric energy harvesters B.1 General B.2 Piezoelectric thin film with top and bottom electrodes (d31 mode) B.3 Piezoelectric thin film with comb structured electrodes (d33 mode) B.4 Piezoelectric nano wire with top and bottom electrodes B.5 Flexible piezoelectric material with top and bottom electrodes <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Figure B.1 \u2013 Classification of flexible piezoelectric energy harvesters <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | Annex C (informative)Input motions C.1 Classification of strain motions C.2 Example of test method Figure C.1 \u2013 Classification of strain motions appliedfor flexible piezoelectric energy harvesters <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | Figure C.2 \u2013 The output current measurement for different types of stretching <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | Annex D (informative)Electromechanical coupling D.1 Compliance and coupling coefficient relation D.2 Young\u2019s modulus and coupling coefficient relation <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Semiconductor devices. Semiconductor devices for energy harvesting and generation – Test and evaluation methods for flexible piezoelectric energy harvesting devices<\/b><\/p>\n |