成果報告書詳細
管理番号20100000001891
タイトル*平成21年度中間年報 水素製造・輸送・貯蔵システム等技術開発 水素ステーション機器要素技術に関する研究開発 低コスト型70MPa級水素ガス充填対応大型複合蓄圧器の開発
公開日2011/6/29
報告書年度2009 - 2009
委託先名JX日鉱日石エネルギー株式会社(旧:新日本石油株式会社)
プロジェクト番号P08003
部署名燃料電池・水素技術開発部
和文要約和文要約等以下本編抜粋:1.研究開発の内容及び成果 1.1 研究概要 燃料電池自動車の普及に向け水素供給インフラの整備を進める必要がある。本研究開発では、水素ステーションの充填設備としてコスト的にもスペース的にも大きな割合を占める蓄圧器を、現状の鋼製に比べ、より安く、より軽くすることのできる炭素繊維強化複合材料(CFRP)を用いて開発する。
1.2 実施内容 1.2.1 炭素繊維(CF)・樹脂の開発 (1)小型内部加熱フィラメントワインディング(FW)装置でのトウプリプレグの効果の検証 将来の量産を考えるとFW速度を速めることのできるトウプリプレグ※を使ったDRY法を有効に利用する技術の開発が必要である。昨年度、小型(7L)容器でDRY法が従来のWET法に比べ同等以上の破裂強度を発現しうることを確認した。今年度は更に大きな容器(70L)で、新規に開発した内部加熱によるFW法も加え、FW手法の違いによる破裂強度の比較を行った。 ※あらかじめ樹脂が塗布されている繊維
英文要約Title: Development for Technologies of Production, Transportation, and Storage Systems of Hydrogen / Research and Development for Elemental Technologies of Hydrogen Station Equipment / Development of Low-Cost and Large-Scale Pressure Accumulator for Filling of 70 MPa Hydrogen Gas ( FY2008-FY2010 ) FY2009 Annual Report 

In this project, we have been developing a manufacturing technology of a large-scale carbon fiber reinforced plastics (CFRP) tank for high pressure hydrogen gas at hydrogen station. Compared with a current steel tank, our target tank is highly-advantageous to the production cost and installation space. The manufacturing technology of this tank is a necessary technology for the establishment of hydrogen infrastructure. The purpose of this project in three-year is the developing of the manufacturing technology of the CFRP tank which is able to store the hydrogen gas at 80MPa as normal operation pressure and has a capacity of 200 L. Also, the target of the production cost is 10 million yen or less, and the weight is 1000 kg or less. Especially, we have focused on developing a new filament winding (FW) method using liner-internal heating device attached to FW machine.  In this fiscal year, we carried out three patterns of FW methods, which are wet, dry, and dry with liner-internal heating methods, using FW machine having liner-internal heating device, and weighed up the CFRP tanks produced by these methods. In this comparison result, the tank produced by the wet method indicated the highest burst pressure. Hence, the improvement plan was checked to increase in performance of the tank produced by the dry with liner-internal heating method. As one of the strategies, we developed a low-temperature curing epoxy resin for the Tow-Prepreg. In the case of using this Tow-Prepreg, we were able to produce the CFRP tank without using heating oven. This is encouraging, because it shows that the product efficiency can increase. However, the burst pressure of the obtained tank was not sufficient, so it is necessary for us to improve the epoxy-resin and optimize the dry with liner-internal heating method.
As for the installed testing machines, we fitted up the equipments of inspection of aluminum liner, high pressure explosion examination machine, and the introduction of the direct expansion test apparatus, so we can fully utilize these machines.
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