Abstract

Hydrogen fuel cell vehicles are expected to play an important role in the future and thus have improved significantly over the past years. Hydrogen fuel cell motorcycles with a small container for compressed hydrogen gas have been developed in Japan along with related regulations. As a result, national regulations have been established in Japan after discussions with Japanese motorcycle companies, stakeholders, and experts. The concept of Japanese regulations was proposed internationally, and a new international regulation on hydrogen-fueled motorcycles incorporating compressed hydrogen storage systems based on this concept are also established as United Nations Regulation No. 146. In this paper, several technical regulations on hydrogen safety specific to fuel cell motorcycles incorporating compressed hydrogen storage systems are summarized. The unique characteristics of these motorcycles, e.g., small body, light weight, and tendency to overturn easily, are considered in these regulations.

Highlights

  • Recent environmental and energy safety issues have resulted in a significant change in the transportation sector: The replacement of fossil fuels by alternative energy sources

  • Since battery-powered electric motorcycles have already been provided by several manufacturers and are rapidly becoming popular in recent years [4], commercialization and widespread use of fuel cell motorcycles are expected

  • A fuel cell motorcycle incorporating a compressed hydrogen storage system has been developed by Suzuki [8]

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Summary

Introduction

Recent environmental and energy safety issues have resulted in a significant change in the transportation sector: The replacement of fossil fuels by alternative energy sources. A fuel cell motorcycle incorporating a compressed hydrogen storage system has been developed by Suzuki [8]. In this case, Japanese hydrogen fueling regulation JPEC-S 0003(2012) was applied to refuel the motorcycle after. World Electric Vehicle Journal 2019, 10, 48; doi:10.3390/wevj10030048 www.mdpi.com/journal/wevj In this case, Japanese hydrogen fueling regulation JPEC-S 0003(2012) was applied to refuel the motorcycle after the fueling safety has been confirmed [8]. There are parts of these regulations applicable to fuel cell motorcycles incorporating compressed hydrogen storage systems. A new international regulation on hydrogen-fueled motorcycles incorporating compressed to overturn National regulations taking these characteristics into account have been hydrogen storage systems on Japanese regulations was established as UNR. Several technical regulations specific to motorcycles which are different from UNR No 134 are summarized

Regulations
Capacity of that
Types of Hydrogen Containers
Thermally Activated Pressure Relief Device
Protection of Hydrogen
In the frontal collision the
Findings
Conclusions

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