成果報告書詳細
管理番号20160000000417
タイトル*平成27年度中間年報 水素利用技術研究開発事業 燃料電池自動車及び水素ステーション用低コスト機器・システム等に関する研究開発 樹脂製ライナー低コスト複合容器蓄圧器の開発 (八千代工業株式会社 東邦テナックス株式会社)
公開日2016/9/7
報告書年度2015 - 2015
委託先名八千代工業株式会社 東邦テナックス株式会社
プロジェクト番号P13002
部署名新エネルギー部
和文要約
英文要約itle:Hydrogen Utilization Technology Development / Research and Development of the low cost Equipment and System for Fuel Cell Vehicles and Hydrogen Stations / Development of the low cost composite vessel with plastic liner. (FY2013-FY2017)FY2015 Annual Report

In order to cut down the cost for hydrogen gas vessel at hydrogen gas station with regard to this project, the technology development for the large size type 4 composite vessel will be implemented for practical use.
The 2015 fiscal year subsequent to the 2014 fiscal year, the feasibility of large the large type 4 vessel was verified with the small prototype vessel and the basic experiment.
1) Abbreviation 2) Evaluation of plastic liner material:
We add new evaluation criteria using the exposure experimental methods that have been done in the past. The main factor is due to the differences of manufacturing method and, such as the differences in the grade of the material. The issues for the vessel design guidelines and manufacturing guidelines were able to identify.
3) Abbreviation 4)5) Liner structure / process study and the production of the prototype:
It was changed to a method of putting the three pieces of the liner together by welding. Then the strength / endurance of the weld have to be guaranteed. Using the know-how of our plastic gasoline tank, it is possible that the can be strength guaranteed by managing the welding condition such as the molten state temperature, pressure. The assurance of the fatigue strength of the welded portion is discussed from S-N curve obtained in this prototype material. Hydrogen Effects in the welded part was evaluated by hydrogen exposure test as described in (2). The test was done in the condition that micro cracks were occurred in the general area. It resulted in no damage in the welded area. The base structure has been followed the by initial structure. It has maintained a similar performance to last year. It is expected to ensure the sealing at the design pressure in the wide range of operating temperature even in the large vessel.
6) Abbreviation 7) Development of optimized CF:
To reduce CF usage more than 10% by contrast with conventional standard CF, various CF were applied and evaluated as a CFRP. Obtained data was used for FEM analysis. However the development priority was changed and this theme gave lower priority. Then this theme was stopped until second quarter of FY2015 and it resume from third quarter of FY2015. Key CF properties for Type4 composite vessel are investigating.
8) Development of sizing agent:
New sizing agents were tested to increase translation ratio of CF tensile strength. As a result, FW process ability has been improved approx. 30 to 50%. Additionally, variation of CF width on kiss-touch roll has been reduced by half.(It is important to achieve stabile resin pick) Then the possibility was confirmed that new sizing agent can contribute to improve translation ratio of CF tensile strength, productivity and quality of the vessel.
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