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GB/T 41986-2022Vanadium flow battery—Design guideline (English PDF)

全钒液流电池设计导则

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 12, 2022

Implementation date

May 1, 2023

Scope

GB/T 41986-2022 is the English-translated version of 全钒液流电池设计导则.

GB/T 41986-2022 is the Chinese national design guideline for all-vanadium redox flow batteries. It covers the general design requirements and then the design of the battery module and of the single cell, the electrical design, the layout of the battery system and its ventilation and air conditioning.

It applies to all-vanadium flow battery systems used indoors or outdoors and to stationary vanadium flow batteries of every kind, boxed or not, and it leaves out the design of an electrochemical energy storage station as such, meaning planning, civil works, construction and converters.

Among the standards it quotes are GB/T 29840-2013 on terminology, GB/T 34866-2017 on safety, NB/T 42133-2017 on the electrolyte and NB/T 42134-2017 on the battery management system. Issued on 12 October 2022, it has applied since 1 May 2023.

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Document preview — GB/T 41986-2022

National Standard of the People's Republic of China

ICS: 29.220.20
Classification: K 84

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 General Design Requirements
5 Battery Module Design
6 Battery Cell Design
7 Electrical Design Requirements
8 Battery system layout
9 Ventilation and air conditioning
Reference

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted.

1 Scope

This document specifies general design requirements for all-vanadium redox flow batteries as well as battery module, battery cell, electrical, battery system layout, ventilation and The design requirements for air conditioning do not include the design of electrochemical energy storage power stations such as planning, civil engineering, construction, and converters.

This document applies to all-vanadium flow battery systems for indoor or outdoor use.

This document applies to all types of stationary vanadium redox flow batteries (box or non-box).

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 4219.1-2008 Industrial Rigid Polyvinyl Chloride (PVC-U) Piping Systems Part 1: Pipes

GB/T 4219.2-2015 Industrial Rigid Polyvinyl Chloride (PVC-U) Piping Systems Part 2: Pipe Fittings

GB/T 18998.1-2022 Industrial chlorinated polyvinyl chloride (PVC-C) piping systems - Part 1: General

GB/T 18998.2-2022 Industrial Chlorinated Polyvinyl Chloride (PVC-C) Piping Systems Part 2: Pipes

GB/T 18998.3-2022 Industrial Chlorinated Polyvinyl Chloride (PVC-C) Piping Systems Part 3: Pipe Fittings

GB/T 29840-2013 Terms for all-vanadium redox flow batteries

GB/T 34866-2017 Safety requirements for all-vanadium redox flow batteries

GB/T 50065 Grounding Design Specification for AC Electrical Installations

GB 50168 Electrical Installation Engineering Cable Line Construction and Acceptance Standards

GB 50169 Code for construction and acceptance of grounding devices for electrical installation installations

GB/T 51048 Design specification for electrochemical energy storage power station

NB/T 10092-2018 Technical requirements for rubber seals for all-vanadium redox flow batteries

NB/T 42133-2017 Technical conditions of electrolyte for all-vanadium redox flow batteries

NB/T 42134-2017 Technical conditions of all-vanadium redox flow battery management system

3 Terms and Definitions

The terms and definitions defined in GB/T 29840-2013 and the following terms and definitions apply to this document.

3.1 Unit battery system

An independent assembly consisting of one or more battery modules connected by an electrical circuit.

Note: The unit battery system realizes the charging and discharging function by connecting with a converter.

3.2 Leakage current

Located at different potential points, between single cells or between stacks with a common flow channel, the conductive connection formed by the electrolyte ions in the common flow channel

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB 50169

Similar standards

GB/T 22199.1-2025|GB/T 22199.2-2025|GB/T 5008.2-2023|GB/T 13337.2-2011|GB/T 13281-2008|GB 31241.4-2026

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