GB/T 31035-2014 in English

《GB/T 31035-2014质子交换膜燃料电池电堆低温特性试验方法》由TC342（全国燃料电池及液流电池标准化技术委员会）归口，主管部门为中国电器工业协会。
本标准规定了低温(0 ℃以下)条件下,质子交换膜燃料电池电堆的通用安全要求、试验条件、试验仪器精度、低温试验前的例行试验及低温试验方法和试验报告。
本标准适用于质子交换膜燃料电池电堆低温(0 ℃以下)条件下的存储、启动、工作性能的试验。

1 Scope

This standard specifies the general safety requirements, test conditions, precision of test instrument, routine test before subzero test, subzero test method and test report of proton exchange membrane fuel cell stack at subzero (below 0℃) environment.

This standard is applicable to the test for storage, startup and working performance of proton exchange membrane fuel cell stack at subzero (below 0℃) environment.

2 Normative References

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 28816 Fuel Cell - Terminology
GB/T 20042.2-2008 Proton Exchange Membrane Fuel Cell - General Technical Specification of Fuel Cell Stacks

3 Terms and Definitions

For the purposes of this document, the terms and definitions given in GB/T 28816 and the following apply.

3.1
climate chamber
apparatus, of which the temperature and humidity may be stably controlled according to the test requirements and inside of which tested fuel cell stack may be placed

3.2
coolant
cycling medium that there is no phase change at subzero environment below 0℃, no physical or chemical influence on the fuel cell stack material, and can exchange the heat of fuel cell stack to the external environment after being injected in the cooling chamber of fuel cell stack when the fuel cell stack is operating

3.3
auxiliary electric energy input
consumption of electric energy when the fuel cell stack is started at subzero environment, which is expressed in J; the calculation formula is as follows:

Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 General Safety Requirements
5 Test Conditions
6 Test Platform
7 Routine Test before Subzero Test
8 Subzero Test
9 Test Report
Annex A (Informative) Startup Procedure
Annex B (Informative) Shutdown Procedure for Subzero Storage
Annex C (Informative) Test Report