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
# A+ c8 T0 d7 ^5 t2 }8 u晨枫 发表于 2015-4-24 08:51
1 H4 |! J; t: k8 {" o# U5 T+ ?2 l; r能耐多高的压?工业上高压容器和管道需要定期检查,民用汽车上怎么办?氢对金属材料有氢脆问题,在汽车有 ... + E: L; G. B- ]; L/ M
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另外,toyota 用的储氢罐在wiki上是这么写的:
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5 \- g3 ?8 {9 Z' s) R% ~ u6 L2 lA 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.- t! o" _8 }! m. d& m
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那么, type IV hydrogen tank 是个什么东西呢?9 C+ [& g( U- e9 J, N; I1 t) F
6 [" v J. ?; _ v2 ^Composite tanks such as carbon fiber with a polymer liner (thermoplastic). See rotational molding and fibre-reinforced plastic.
# {$ A& i( v# m4 wApproximate maximum pressure, plastic/carbon 661 bars (66.1 MPa; 9,590 psi) and up.
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) f3 _. P6 @6 |0 M3 w c4 |/ H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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# y l4 D7 I2 y& r6 X7 f$ z) L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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Metal tank (steel/aluminum)
0 e: V& G: Y2 e4 C# X( s: mApproximate maximum pressure, aluminum 175 bars (17.5 MPa; 2,540 psi), steel 200 bars (20 MPa; 2,900 psi). |
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