Semiconductor devices - Semiconductor devices for energy harvesting and generation - Part 7: Linear sliding mode triboelectric energy harvesting

IEC 62830-7:2021 defines terms, definitions, symbols, configurations, and test methods that can be used to evaluate and determine the performance characteristics of linear sliding mode triboelectric energy harvesting devices for practical use. This document is applicable to energy harvesting devices for consumer, general industries, military and aerospace applications without any limitations on device technology and size.

Dispositifs à semiconducteurs - Dispositifs à semiconducteurs pour récupération et génération d’énergie - Partie 7: Récupération d’énergie triboélectrique en mode de coulissement linéaire

L’IEC 62830-7:2021 définit les termes, définitions, symboles, configurations et les méthodes d’essai pouvant être utilisés pour évaluer et déterminer les caractéristiques de performance des dispositifs de récupération d’énergie triboélectrique en mode de coulissement linéaire dans le contexte d’une utilisation pratique. Le présent document s’applique aux dispositifs de récupération d’énergie destinés au grand public, aux industries générales, aux applications militaires et aérospatiales, sans restriction concernant la technologie et la taille des dispositifs.

General Information

Status
Published
Publication Date
02-Mar-2021
Technical Committee
Drafting Committee
Current Stage
PPUB - Publication issued
Start Date
19-Mar-2021
Completion Date
03-Mar-2021
Ref Project

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IEC 62830-7
®

Edition 1.0 2021-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside


Semiconductor devices – Semiconductor devices for energy harvesting and
generation –
Part 7: Linear sliding mode triboelectric energy harvesting

Dispositifs à semiconducteurs – Dispositifs à semiconducteurs pour
récupération et génération d’énergie –
Partie 7: Récupération d’énergie triboélectrique en mode de coulissement
linéaire

IEC 62830-7:2021-03(en-fr)

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IEC 62830-7

®


Edition 1.0 2021-03




INTERNATIONAL



STANDARD




NORME


INTERNATIONALE
colour

inside










Semiconductor devices – Semiconductor devices for energy harvesting and

generation –

Part 7: Linear sliding mode triboelectric energy harvesting



Dispositifs à semiconducteurs – Dispositifs à semiconducteurs pour

récupération et génération d’énergie –


Partie 7: Récupération d’énergie triboélectrique en mode de coulissement

linéaire












INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 31.080.99 ISBN 978-2-8322-9469-7




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® Registered trademark of the International Electrotechnical Commission
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---------------------- Page: 3 ----------------------
– 2 – IEC 62830-7:2021 © IEC 2021
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
3.1 General terms . 6
3.2 Triboelectric transducer . 6
3.3 Characteristic parameters . 7
4 Essential ratings and blank specification . 10
4.1 Identification and type . 10
4.2 Limiting values and operating conditions . 10
4.3 Additional information . 10
5 Test method . 11
5.1 General . 11
5.2 Electrical characteristics . 12
5.2.1 Test procedure . 12
5.2.2 Open-circuit voltage . 13
5.2.3 Short-circuit current . 14
5.2.4 Output voltage . 14
5.2.5 Output current . 14
5.2.6 Output power . 15
5.2.7 Optimal load impedance . 15
5.3 Mechanical characteristics . 16
5.3.1 Test procedure . 16
5.3.2 Contact area . 17
5.3.3 Contact force . 17
5.3.4 Displacement . 18
5.3.5 Sliding speed . 18
5.3.6 Relative humidity range . 19
5.3.7 Temperature range . 19
6 Test report . 20
Annex A (informative) Linear sliding modes . 22
A.1 Dielectric-to-dielectric sliding . 22
A.2 Conductor-to-dielectric sliding . 22
Annex B (informative) Example of experimental setup . 23
Annex C (informative) Example of measurement for linear sliding mode triboelectric
energy harvester . 24
C.1 General . 24
C.2 Linear sliding mode triboelectric energy harvester . 24
C.2.1 Weight and dimension of tested sliding mode triboelectric energy
harvesting device. 24
C.2.2 Type, frequency, acceleration and displacement conditions of energy
harvester . 24
C.2.3 Measurement conditions and measurement results for open-circuit
voltage . 24
C.2.4 Measurement condition and measurement results for short-circuit
current . 25

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IEC 62830-7:2021 © IEC 2021 – 3 –
C.2.5 Measurement conditions and measurement results for different
acceleration . 25
C.2.6 Measurement conditions and measurement results for different
frequency . 27
C.2.7 Measurement conditions and measurement results for different

displacement . 27
C.2.8 Measurement conditions and measurement results for output voltage
and current at different loads . 28
C.2.9 Measurement conditions and measurement results for output power. 29
Bibliography . 30

Figure 1 – Schematic of linear sliding mode triboelectric energy harvester . 7
Figure 2 – Equivalent circuit diagram of linear sliding mode triboelectric energy
harvester . 8
Figure 3 – Measurement procedure for sliding mode triboelectric energy harvester . 11
Figure 4 – Test setup for the electrical characteristics of linear sliding mode
triboelectric energy harvester . 12
Figure 5 – Instantaneous open-circuit output voltage characteristic. 13
Figure 6 – Instantaneous short-circuit output current characteristic . 14
Figure 7 – Output voltage and current at different loads . 15
Figure 8 – Output power characteristic at various external loads . 15
Figure 9 – Block diagram of a test setup for evaluating the reliability . 16
Figure 10 – Output voltage for different surface contact areas . 17
Figure 11 – Output voltage dependence on contact force . 18
Figure 12 – Output voltage for varying displacement between interfacing layers . 18
Figure 13 – Output voltage for different sliding speeds. 19
Figure 14 – Output voltage under different relative humidity . 19
Figure 15 – Output voltage at different temperature . 20
Figure A.1 – Operation modes of linear sliding mode triboelectric energy harvester . 22
Figure B.1 – Experimental setup for testing linear sliding mode triboelectric energy
harvester . 23
Figure C.1 – Photographs of the triboelectric energy harvester . 24
Figure C.2 – Instantaneous open-circuit output voltage waveform . 25
Figure C.3 – Instantaneous short-circuit output current waveform . 25
Figure C.4 – Voltage waveform at 5 Hz frequency for different accelerations . 26
Figure C.5 – Output voltage characteristic at various accelerations. 27
Figure C.6 – Output voltage characteristic at different frequencies . 27
Figure C.7 – Output voltage for varying displacements between interfacing layers at 5
Hz frequency . 28
Figure C.8 – Output voltage and current at different loads . 28
Figure C.9 – Output power characteristic at various external loads . 29

Table 1 – Specification parameters for linear sliding mode triboelectric energy

harvesters . 10
Table C.1 – Measurement conditions . 24

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– 4 – IEC 62830-7:2021 © IEC 2021
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

SEMICONDUCTOR DEVICES – SEMICONDUCTOR DEVICES
FOR ENERGY HARVESTING AND GENERATION –

Part 7: Linear sliding mode triboelectric energy harvesting

FOREWORD
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International Standard IEC 62830-7 has been prepared by IEC technical committee 47:
Semiconductor devices.
The text of this International Standard is based on the following documents:
FDIS Report on voting
47/2676/FDIS 47/2686/RVD

Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

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IEC 62830-7:2021 © IEC 2021 – 5 –
A list of all parts in the IEC 62830 series, published under the general title Semiconductor
devices – Semiconductor devices for energy harvesting and generation, can be found on the
IEC website.
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• reconfirmed,
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– 6 – IEC 62830-7:2021 © IEC 2021
SEMICONDUCTOR DEVICES – SEMICONDUCTOR DEVICES
FOR ENERGY HARVESTING AND GENERATION –

Part 7: Linear sliding mode triboelectric energy harvesting



1 Scope
This part of IEC 62830 defines terms, definitions, symbols, configurations, and test methods
that can be used to evaluate and determine the performance characteristics of linear sliding
mode triboelectric energy harvesting devices for practical use. This document is applicable to
energy harvesting devices for consumer, general industries, military and aerospace
applications without any limitations on device technology and size.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1 General terms
3.1.1
linear sliding
physical sliding of one material on another material in horizontal direction
3.1.2
sliding-based energy harvester
energy transducer that transforms physical sliding energy into electrical energy
Note 1 to entry: A linear sliding mode triboelectric energy harvester to convert linear sliding to electricity
comprises dielectric materials, a surface electrode, an external load, and a relative displacement between
dielectric materials as shown in Figure 1. The sliding makes the two dielectric material surfaces come into physical
touch, and relative displacement makes the gap between those two materials. The top and bottom electrodes on
the two dielectric materials harvest charges generated from the coupling of triboelectrification and electrostatic
induction. The triboelectric charges are generated by the charge transfer between two thin organic/inorganic films
that exhibit distinct surface electron affinity, and the potential difference results from the separation of the
triboelectric charges; under short-circuit conditions, electrons are driven to flow between two electrodes attached
on the back side of the films through the load in order to balance the potential difference resulting from mechanical
action.
3.2 Triboelectric transducer
3.2.1
triboelectric effect
type of contact electrification in which certain materials become electrically charged after they
come into frictional contact with a different material

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IEC 62830-7:2021 © IEC 2021 – 7 –
3.2.2
triboelectric series
list that ranks various materials according to their tendency to gain or lose electrons
3.2.3
triboelectric transducer
energy converter to generate electricity from mechanical energy by means of the triboelectric
effect

Key
Configuration of energy harvester
x(t) displacement
R external load
Figure 1 – Schematic of linear sliding mode triboelectric energy harvester
Note 1 to entry: A linear sliding mode triboelectric energy harvester can be divided into parts as shown in
Figure 1. The equivalent circuit consists of capacitance C which stores charge as +Q and −Q, open-circuit voltage
source V and external load R. Considering the materials to be used as the pair of the triboelectric layers, the
oc
sliding mode triboelectric nanogenerator (TENG) has two types: dielectric-to-dielectric and conductor-to-dielectric.
The fundamentals of these two types are reported under Annex A.
3.3 Characteristic parameters
3.3.1
equivalent circuit
electrical circuit block diagram that has the same output voltage from relative displacement-
based linear sliding mode triboelectric energy harvester in the immediate neighborhood of the
acting force
Note 1 to entry: An equivalent circuit diagram of linear sliding mode triboelectric energy harvester is shown in
Figure 2.

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– 8 – IEC 62830-7:2021 © IEC 2021

Key parameters
C capacitance
V open-circuit voltage
oc
Figure 2 – Equivalent circuit diagram of linear
sliding mode triboelectric energy harvester
3.3.2
V-Q-x relationship
relationship between the triboelectric output voltage, the amount of charge transferred
between electrodes and the separation distance between tribological material surfaces
Note 1 to entry: Owing to the electrical potential superposition principle, the total voltage difference between the
two electrodes can be given by Formula (1):
l d σ dx
00
V=− QV+ =− Q+ (1)
OC
C wεεlx−−lx
( ) ( )
00
where, d is effective dielectric thickness, w is dielectric width, ε is the permittivity of the medium, σ is the surface
0 o
charge density, l is the length of the dielectric material, x is the lateral separation distance, and other parameters
are as defined before.
3.3.3
open-circuit voltage
V
oc
electrical potential difference relative to a reference node of an energy harvester when there
is no external load connected to the terminal of the energy harvester
Note 1 to entry: The theoretical V expression for the linear sliding mode triboelectric energy harvester is given

oc
by Formula (2):
 
σ x dd
12
V + (2)
OC  
ε lx− εε
( )
0  rr12
where, d and d are the dielectric thickness, ε and ε are the permittivity of dielectric material 1 and 2,

1 2 r1 r2
respectively, and the other parameters are as defined before.
3.3.4
short-circuit current
I
sc
current measured through the terminals of the energy harvester from induced excitation
without external load
=

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IEC 62830-7:2021 © IEC 2021 – 9 –
Note 1 to entry: The theoretical I expression for linear sliding mode TENG is given by Formula (3)Error!
sc
Bookmark not defined.:
dx
I σσw wv()t (3)
SC
dt
where w is the thickness of the dielectric material, v(t) is the sliding speed of the triboelectric layer, and the other
parameters are as defined before.
3.3.5
output voltage
V
electrical potential difference relative to a reference node of an energy harvester when an
external load is connected to the terminal of the energy harvester
3.3.6
output current
I
current through the external load connected to the terminal of an
energy harvester
3.3.7
output power
P
electrical power transferred to the external load connected to the terminal of an energy
harvester
Note 1 to entry: The theoretical expression for the output power of linear sliding mode TENG is given by Formula
(4):
P= VI (4)
3.3.8
optimal load impedance
R
opt
specified value of the external load for transferring the largest electrical energy from the
energy harvester
3.3.9
contact area
area of physical contact of one object with the other object
Note 1 to entry: When two objects touch, a certain portion of their surface areas will be in contact with each other.
The contact area is the fraction of this area that consists of the atoms of one object in contact with the atoms of the
other object. Because objects are never perfectly flat because of asperities, the actual contact area (on a
microscopic scale) is usually much less than the contact area apparent on a macroscopic scale. The contact area
may depend on the normal force between the two objects because of deformation.
3.3.10
contact force
applied force in the normal direction to the surface owing to friction at the interface of two
triboelectric material surfaces
3.3.11
displacement
x
moving distance of one material from its original position
==

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– 10 – IEC 62830-7:2021 © IEC 2021
3.3.12
sliding speed
v
displacement per unit time of one material over another material surface while maintaining
continuous contact
3.3.13
relative humidity range
range of humidity as measured on the enclosure over which the energy harvester will not
sustain permanent damage though not necessarily functioning within certain tolerances
3.3.14
temperature range
range of temperatures as measured on the enclosure over which the energy harvester will not
sustain permanent damage though not necessarily functioning within the specified tolerances
4 Essential ratings and blank specification
4.1 Identification and type
The linear sliding mode triboelectric energy harvester shall be clearly and durably marked
with the following information, in the orde
...

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