Regeneration of Ammonia Borane Spent Fuel by Direct Reaction with Hydrazine and Liquid Ammonia

被引：375

作者：

Sutton, Andrew D. ^{[1
]}

Burrell, Anthony K. ^{[2
]}

Dixon, David A. ^{[3
]}

Garner, Edward B., III ^{[3
]}

Gordon, John C. ^{[1
]}

Nakagawa, Tessui ^{[2
]}

Ott, Kevin C.

Robinson, Pierce ^{[3
]}

Vasiliu, Monica ^{[3
]}

机构：

[1] Los Alamos Natl Lab, Div Chem, MS J582, Los Alamos, NM 87545 USA

[2] Los Alamos Natl Lab, Mat Phys & Applicat Div, MS J514, Los Alamos, NM 87545 USA

[3] Univ Alabama, Dept Chem, Tuscaloosa, AL 35487 USA

来源：

SCIENCE | 2011年 / 331卷 / 6023期

关键词：

CERAMIC CONVERSION REACTIONS; YIELD POLYMERIC PRECURSOR; BORON-NITROGEN BONDS; HYDROGEN STORAGE; CATALYZED FORMATION; DEHYDROGENATION; COORDINATION; AMINOBORANES;

D O I：

10.1126/science.1199003

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Ammonia borane (H3N-BH3, AB) is a lightweight material containing a high density of hydrogen (H-2) that can be readily liberated for use in fuel cell-powered applications. However, in the absence of a straightforward, efficient method for regenerating AB from dehydrogenated polymeric spent fuel, its full potential as a viable H-2 storage material will not be realized. We demonstrate that the spent fuel type derived from the removal of greater than two equivalents of H-2 per molecule of AB (i.e., polyborazylene, PB) can be converted back to AB nearly quantitatively by 24-hour treatment with hydrazine (N2H4) in liquid ammonia (NH3) at 40 degrees C in a sealed pressure vessel.

引用

页码：1426 / 1429

页数：4

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