Structure and Equipping of FC Stack for New FCV
新型FCV向けFCスタック構造・搭載設計
- Delivery
- Available on the other site
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- Publication code
- 20214637
- Paper/Info type
- JSAE Transaction
Vol.52 No.5
- Pages
- 983-986(Total 4 p)
- Date of publication
- Sep 2021
- Publisher
- JSAE
- Language
- Japanese
Detailed Information
| Category(J) | 技術論文 Translation |
|---|---|
| Category(E) | TechnicalPaper |
| Author(J) | 1) 森 一広, 2) 高畠 悠真, 3) 竹内 弘明, 4) 細井 貴己 |
| Author(E) | 1) Kazuhiro Mori, 2) Yuma Takabatake, 3) Hiroaki Takeuchi, 4) Takami Hosoi |
| Affiliation(J) | 1) トヨタ自動車, 2) トヨタ自動車, 3) トヨタ自動車, 4) トヨタ自動車 |
| Abstract(J) | 新型FCV向けFCスタックについて紹介する。エンジンコンパートメントに搭載するFCスタックへの入力Gに対して、セル外部拘束およびスタックケース新加工方法の採用により、FCスタックの耐衝撃性向上と小型化を両立。 Translation |
| Abstract(E) | The previous model is equipped with FC stack assembly under the floor of the car, but the new model is equipped consolidated FC units in the engine compartment. It results in great mountability equivalent to that of conventional engine. In order to achieve equipping FC stack in the engine compartment, it is necessary to enhance G resistance and miniaturize FC stack at the same time. In order to secure reliability of high voltage safety and hydrogen safety, it is necessary to control cell seal leakage caused by cell deviation. We adopted external constraint structure, in addition to the friction constraint force between each cell, to control quantity of cell deviation in less than quota. As the external constraint structure, we installed silicon rubber called Filling in the gap of FC cell stack and stack case. It results in enhancement of G resistance by 1.6 times compared to the previous model. Optimizing the rigidity of stack case and the gap size between cell stack and stack case is necessary to control external constraint force using Filling. The new stack case is made by FSW (Friction Stir Welding) line joining of upper and lower case, which are made by casting respectively. This case structure achieves the requirement written above and miniaturize stack at the same time. In the FC stack manufacturing process, the stacking process of 330 cells was automized. It realized stacking cells with high dimensional accuracy at the shorter cycle time. It results in reduction of cell deviation and contribution to control the gap between cell stack and stack case, and control external constraint force. |
