Forerunner standard evaluation requirements—Electric vehicles traction battery
This document specifies the terms and definitions, evaluation indicator system, rating, and test evaluation methods, with respect to Forerunner standard evaluation of electric vehicles traction battery.
This document is applicable to the lithium-ion traction battery packs and systems mounted on electric vehicles and mainly designed for high energy applications.
This document is applicable to the technical requirements for forerunner standard evaluation of electric vehicles traction battery. The manufacturers of traction battery publicly state the advanced standard by reverence to this document, and this document serves as the standard for the third-party appraisal agency to evaluate a Forerunner enterprise standard.
2 NORMATIVE REFERENCES
The following referenced documents are indispensable for the application of this document. For dated references, only the editions cited apply. For undated references, the latest editions of the normative document (including any amendments) apply.
GB 38031-2020 Electric Vehicles Traction Battery Safety Requirements
GB/T 19596-2017 Terminology of Electric Vehicles
GB/T 31484-2015 Cycle life requirements and test methods for traction battery of electric vehicle
GB/T 31467.2-2015 Lithium-ion traction battery pack and system for electric vehicles – Part 2: Test specification for high energy applications
GB/T 4208-2017 Degrees of Protection Provided By Enclosure (IP code)
GB/T 38661-2020 Technical Specifications of Battery Management System for Electric Vehicles
3 TERMS AND DEFINITIONS
For the purpose of this document, the terms and definitions given in GB/T 19596 and the following apply.
basic functional unit which achieves mutual conversion between electric energy and chemical energy
Note: it usually consists of electrodes, separators, electrolyte, housing and terminals, and is designed to be electrically recharged.
a combination, intended as a power source, of more than one secondary cell in series and/or parallel connection
a unit that can obtain electric energy from external sources and output electric energy to external devices
Note: it usually includes secondary cell, battery management module, battery enclosure and the relevant accessories, e.g. cooling components, connection cables, etc.
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