TA的每日心情 | 擦汗 2019-6-16 23:34 |
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签到天数: 1277 天 [LV.10]大乘
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本帖最后由 冰蚁 于 2015-4-24 10:39 编辑 1 _+ q" n) [* `$ r% x" p
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3 T4 W: \% E, ]1 H& d) D3 K1 B另外,toyota 用的储氢罐在wiki上是这么写的:
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- P" K/ q1 F; K0 q. f- h8 DA Hydrogen tank (other names- cartridge or canister) is used for hydrogen storage.[1][2][3] The first type IV hydrogen tanks for compressed hydrogen at 700 bars (70 MPa; 10,000 psi) were demonstrated in 2001, the first fuel cell vehicles on the road with type IV tanks are the Toyota FCHV, Mercedes-Benz F-Cell and the GM HydroGen4.& J1 M& q. P7 R, Y8 m' O
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那么, type IV hydrogen tank 是个什么东西呢?
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Composite tanks such as carbon fiber with a polymer liner (thermoplastic). See rotational molding and fibre-reinforced plastic.: g7 v+ d; m$ g% z1 l
Approximate maximum pressure, plastic/carbon 661 bars (66.1 MPa; 9,590 psi) and up.. J0 F) M, b) g; R% g3 E
* V7 y5 u0 s* r/ a6 E从储氢罐到 fuel cell 的管道也可能都用得是这种材料。
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看介绍,目前趋势是低压储氢系统,比如30bar, 440psi的系统。这样可以用type I 的罐子。从减轻死重的角度,会用铝罐。
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$ A1 m3 p+ G- g9 O1 UMetal tank (steel/aluminum)* o% @# i+ E" Q" s, N$ h
Approximate maximum pressure, aluminum 175 bars (17.5 MPa; 2,540 psi), steel 200 bars (20 MPa; 2,900 psi). |
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