Hydrolysis Rate Improvement in Hydrogen Generation System Fueled by Powdery Sodium Borohydride for Fuel-Cell Vehicle

被引：19

作者：

Tomoda, Keisuke ^{[1
]}

Hoshi, Nobukazu ^{[2
]}

Haruna, Junnosuke ^{[2
]}

Cao, Meifen ^{[3
]}

Yoshizaki, Atsuhiro ^{[4
]}

Hirata, Keiichi ^{[4
]}

机构：

[1] Tokyo Univ Sci, Tokyo 1620825, Japan

[2] Tokyo Univ Sci, Dept Elect Engn, Fac Sci & Technol, Chiba 2788510, Japan

[3] Tokyo Metropolitan Coll Ind Technol, Dept Elect Engn, Shinagawa 1400011, Japan

[4] Hydr Power Syst Co Ltd, Tsukuba, Ibaraki 3050033, Japan

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2014年 / 50卷 / 04期

基金：

日本学术振兴会;

关键词：

Fuel cells; hydrogen; hydrogen compounds; road-vehicle power systems; road vehicles;

D O I：

10.1109/TIA.2013.2294994

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Sodium borohydride (NaBH4) is attractive as a fuel for fuel-cell electric vehicles (FCEVs) and fuel-cell hybrid electric vehicles because of its high energy density. We proposed and constructed a high-density hydrogen generation system that generates a large amount of hydrogen by hydrolysis of powdery NaBH4. However, our ability to conduct long driving tests was restricted by the low hydrogen generation rate at the start of the proposed system, particularly under low temperature. To overcome this problem, we added a citric acid solution catalyst at the start, thereby increasing the rate of hydrogen generation by a factor of 25 compared with the case of using a conventional nickel catalyst. In addition, we confirmed that using such a rapid hydrogen generation system had little effect on the power generation characteristics of a 100-W fuel cell, and we succeeded in conducting our driving tests of a FCEV fueled by powdery NaBH4

引用

页码：2741 / 2748

页数：8

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