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GB/T 33983.2-2017

Chinese Standard: 'GB/T 33983.2-2017'
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Detail Information of GB/T 33983.2-2017; GB/T33983.2-2017
Description (Translated English): Direct methanol fuel cell system--Part 2: Performance test method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K82
Classification of International Standard: 27.070
Word Count Estimation: 14,162
Date of Issue: 2017-07-12
Date of Implementation: 2018-02-01
Drafting Organization: Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian Institute of Chemical Physics, Wuhan University of Science and Technology, Wuhan Institute of Science and Technology, Wuhan Institute of Technology, Shanghai Shenli Technology Co., Ltd., Shanghai Quality Supervision and Inspection Technology Research Institute
Administrative Organization: National Standard Committee on Fuel Cell and Liquid Flow Battery (SAC/TC 342)
Proposing organization: China Electrical Appliances Industry Association
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee

GB/T 33983.2-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.070
K 82
Direct methanol fuel cell system
- Part 2. Performance test method
直接甲醇燃料电池系统
第 2部分. 性能试验方法
ISSUED ON. JULY 12, 2017
IMPLEMENTED ON. FEBRUARY 01, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
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Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 5
3 Terms and definitions ... 5
4 Requirements... 6
4.1 General ... 6
4.2 Standard atmosphere of the test ... 7
4.3 Test equipment and inspection devices ... 7
5 Test methods ... 8
5.1 Performance test ... 8
5.2 Environmental adaptability test method ... 10
6 Test report ... 12
6.1 Heading page ... 12
6.2 Summary report ... 13
6.3 Detailed report ... 13
6.4 Complete report ... 13
Annex A (informative) Summary test report template ... 15
Foreword
GB/T 33983 “Direct methanol fuel cell system” includes the following two parts.
- Part 1. Safety;
- Part 2. Performance test method.
This Part is Part 2 of GB/T 33983.
This Part is drafted in accordance with the rules given in GB/T 1.1-2009.
This Part is proposed by China Electrical Equipment Industry Association.
This Part is under the jurisdiction of National Technical Committee on Fuel Cell and
Flow Battery of Standardization Administration of China (SAC/TC 342).
Drafting organizations of this Part. Dalian Institute of Chemical Physics under Chinese
Academy of Sciences, Dalian Aimeirui Battery Co., Ltd., Wuhan Troowin Power
System Technology Co., Ltd., Machinery Industry Beijing Electrotechnical Institute of
Economic Research, Wuhan University of Technology, Shenzhen Institute of
Standards and Technology, China Quality Certification Center, Shanghai Shen-Li High
Tech Co., Ltd., Shanghai Institute of Quality Inspection and Technical Research.
Main drafters of this Part. Sun Gongquan, Wang Suli, Tian Yang, Qi Zhigang, Lu
Chenyu, Wang Gang, Li Shang, Sun Hai, Wang Yiqun, Zhang Ruogu, Yang Linlin, Li
Songli, Chen Chen, Huang Ping, Pan Mu.
Direct methanol fuel cell system
- Part 2. Performance test method
1 Scope
This Part of GB/T 33983 specifies the test items and test methods in terms of power
generation performance and environmental adaptability for direct methanol fuel cell
systems, classifies the direct methanol fuel cell systems with different power grades
into Grade I and Grade II, see Table 1, and distinguishes the test items they need.
Table 1 -- Classification of direct methanol fuel cell power generation systems
Battery type Rated power P Power grade
Micro direct methanol fuel cell
power generation system P ≤ 240 W Grade I
Mobile direct methanol fuel cell
power generation system 240 W< P ≤ 1000 W Grade II
The power generation performance and environmental adaptability test items and test
methods specified in this Part include.
a) Power generation performance under specified operating conditions. e.g. output
voltage, output power, start time, fuel consumption, etc.;
b) Power generation performance under special operating conditions. e.g. power
generation after deactivation, etc.;
c) Environmental adaptability under specified conditions. e.g. high temperature, low
temperature, high humidity, low humidity, drop, vibration etc.
This Part applies to direct methanol fuel cell systems with methanol or methanol
aqueous solution as fuel and with rated power not exceeding 1000 W.
The performance test method for direct methanol fuel cell systems with a rated power
greater than 1000 W may refer to this Part.
A typical direct methanol fuel cell system boundary diagram is shown in Figure 1.
5 Test methods
5.1 Performance test
5.1.1 Sample and test requirements
Each test shall be carried out more than once on one sample. Unless otherwise
specified, the measured value at the end of each measurement shall be taken as the
measured value. The measured values shall be averaged to obtain the average
measured value. The electrical parameters shall be measured at the power interface.
5.1.2 Start time
The purpose of this test is to determine the starting time of the direct methanol fuel cell
system.
Unless otherwise specified, the sample shall be placed in the test environment for at
least 2 hours in the power-off state before the measurement. At the beginning of the
test, connect the system power output port to the electronic load with the four-wire
measurement function. Turn on the system power switch and start timing, load the
electronic load until the output power is not less than 90 % of rated power and stop
timing. For direct methanol fuel cell systems with a start time of less than 100 ms, the
test can be skipped.
5.1.3 Rated power and rated voltage
The purpose of this test is to determine the rated power and rated voltage of the direct
methanol fuel cell system.
The test procedure is as follows.
a) Before the measurement, the sample shall be placed in the test environment for
at least 2 hours in the power-off state. After the system is started normally,
connect the system power output to the electronic load with constant power
discharge mode and four-wire measurement function, make the DMFC system
discharge at the rated power and record the power of the electronic load. If the
system cannot produce the rated power, interrupt test, no longer carry out the
test content of the following b).
b) The output voltage shall be continuously measured for at least 1 h to determine
whether it is within the upper and lower limits of the rated voltage specified by
the manufacturer. The rated voltage range specified by the manufacturer shall
be indicated in the test report. The duration of the measurement and the fuel
consumption during the measurement shall be recorded in the test report.
The test procedure is as follows.
a) Before the measurement, the sample shall be in a power-off state and placed at
20 % relative humidity for at least 2 h.
b) START the fuel cell system, and RECORD the start-up time, the time required to
reach the rated power and the output voltage change during the 1-h operation at
the rated power. If the rated power is not reached, record the maximum power
reached and the output voltage change during 1-h operation at that power.
5.2.4 High humidity
The purpose of this test is to determine the performance of direct methanol fuel cell
systems under high humidity conditions.
The test procedure is as follows.
a) Before the measurement, the sample shall be in a power-off state and placed at
80 % relative humidity for at least 2 h.
b) START the fuel cell system, and RECORD the start-up time, the time required to
reach the rated power and the output voltage change during the 1-h operation at
the rated power. If the rated power is not reached, record the maximum power
reached and the output voltage change during 1-h operation at that power.
5.2.5 Vibration
The purpose of this test is to evaluate the effect of vibration on the performance of
direct methanol fuel cell systems.
The test procedure is as follows.
a) MOUNT the direct methanol fuel cell system on the vibrating table at the intended
operating position and APPLY sine wave vibration from 7 Hz to 200 Hz and from
200 H......
Related standard:   GB/T 33983.1-2017  GB/T 33978-2017
   
 
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