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
5 L/ g% X" j! x0 y5 x0 P$ d晨枫 发表于 2015-4-24 08:51
* ]6 u7 j! A. f0 L# O: D" a+ Q! U7 W* v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 ... 3 f! L6 o: _; a$ E4 b2 [$ m' ~
6 I# ]$ ]6 ~5 v/ A另外,toyota 用的储氢罐在wiki上是这么写的:6 Z# O4 S0 E. f% I
# D" a4 @& j' H; z2 n9 }) m) _A 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.
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9 E0 y1 |3 ^) p5 Q" S8 v2 j那么, type IV hydrogen tank 是个什么东西呢?
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i+ f K, Z( A8 UComposite tanks such as carbon fiber with a polymer liner (thermoplastic). See rotational molding and fibre-reinforced plastic.
8 M' {4 w/ i% E" b7 dApproximate maximum pressure, plastic/carbon 661 bars (66.1 MPa; 9,590 psi) and up.
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从储氢罐到 fuel cell 的管道也可能都用得是这种材料。/ `, v& n: Z# P: i/ c
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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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Metal tank (steel/aluminum)
1 h" m5 T' B8 m* x6 a- j8 pApproximate maximum pressure, aluminum 175 bars (17.5 MPa; 2,540 psi), steel 200 bars (20 MPa; 2,900 psi). |
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