IEC 62830-5:2021

Overview

IEC 62830-5:2021 establishes the standardized test method for measuring the generated electric power from flexible thermoelectric devices under bending conditions. This international standard, published by the International Electrotechnical Commission (IEC), details the terms, definitions, symbols, configurations, and essential test procedures needed to evaluate and determine the performance of flexible thermoelectric devices. It further outlines test conditions such as temperature, temperature difference, contact conditions, insulation, and bending radius, ensuring consistency and repeatability across testing environments. This document is specifically applicable to flexible energy harvesting devices designed for flexible semiconductor applications.

Key Topics

The standard addresses several critical topics relevant to energy harvesting from flexible thermoelectric devices:

• Testing Under Bending Conditions: Methods and apparatus for power measurement when the device is flexed, reflecting real-world usage on curved surfaces (e.g., human body).
• Temperature and Temperature Differences: Importance of maintaining and monitoring distinct hot and cold surfaces during testing for accurate power assessment.
• Contact and Insulation Conditions: Descriptions of necessary parameters, such as the application of different thermal interface materials and insulation levels.
• Bending Radius Effects: Evaluates the impact of various bending radii on device performance, with practical insights for wearable and flexible platforms.
• Measurement Apparatus: Guidance on experimental setup, including heating and cooling mechanisms, and placement of sensors.
• Reporting Requirements: Essential data and parameters to be included in test documentation for consistency, including test dates, atmospheric conditions, device structure, measurement setup, and observed results.

Applications

IEC 62830-5:2021 plays a foundational role in the development and assessment of flexible thermoelectric generators and energy harvesting technologies used in:

• Wearable Electronics: Ensuring devices meet power generation expectations under natural body movement and curvature, enhancing reliability in smart bands, health monitors, and wearable sensors.
• Flexible IoT Devices: Supporting energy autonomy in distributed electronic systems by validating device performance on non-flat surfaces and during bending.
• On-body Energy Harvesting Solutions: Assessing device suitability for integration with clothing or direct skin contact by simulating realistic temperature and bending scenarios.
• Flexible Packaging and Integration: Providing baseline test procedures for device manufacturers and researchers working with flexible, bendable, or stretchable electronics, enabling fair performance benchmarking.

Compliance with this standard supports higher confidence in device efficiency and durability for both product development teams and end-users by standardizing test methods and reporting.

Related Standards

To ensure a comprehensive approach to testing and evaluating flexible energy harvesting devices, the following related standards are relevant:

• IEC 62830 Series: Other parts offering specifications for various semiconductor-based energy harvesting and generation devices.
• IEC 62830-2:2017: Focuses on thermoelectric energy harvesting based on thermopower.
• IEC 60068-2-1 / IEC 60068-2-2: Environmental testing for devices, covering cold and dry heat conditions.
• IEC 62194: Test methods for thermal performance of electronic enclosures.
• IEC 60050-113: International Electrotechnical Vocabulary (IEV) covering physics terms relevant to thermoelectric technology.

By referencing and aligning with IEC 62830-5:2021, organizations and manufacturers can ensure robust, comparable, and repeatable testing for flexible thermoelectric energy harvesting devices, positioning their solutions for success in emerging technologies where flexibility and energy efficiency are paramount.