High-capacity hydrogen release through hydrolysis of NaB3H8
High-capacity hydrogen release through hydrolysis of NaB3H8
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DOI：
10.1016/j.ijhydene.2011.03.033
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发表时间：
2011-06
影响因子：
7.2
通讯作者：
Zhenguo Huang;Xuenian Chen;T. Yisgedu;Ji-Cheng Zhao;S. Shore
中科院分区：
文献类型：
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作者：
Zhenguo Huang;Xuenian Chen;T. Yisgedu;Ji-Cheng Zhao;S. Shore
NaB3H8比NaBH4和NH3BH3具有优势，这两种氢化物是研究最广泛的两种用于水解式储氢的化学氢化物。NaB3H8在水中具有极高的溶解度，因此具有高的理论容量10.5wt%H，相比之下，NaBH4和NH3BH3的理论容量分别为7.5%和5.1%。NaB3H8在水中相当稳定，因此不需要像NaBH4那样添加腐蚀性NaOH作为稳定剂。此外，钴基催化剂可以催化NaB3H8的水解反应，其动力学速度与Ru基催化剂相当。因此，成本效益高的NaB3H8水解液有可能用于实际应用。当材料重量中含有水时，可获得7.4wt%H的高容量。
NaB3H8has advantages over NaBH4and NH3BH3, two most widely studied chemical hydrides for hydrogen storage via hydrolysis. NaB3H8has an extraordinary high solubility in water and thus possesses a high theoretical capacity of 10.5 wt% H via hydrolysis, in contrast to 7.5 wt% for NaBH4and 5.1 wt% for NH3BH3. NaB3H8is reasonably stable in water which makes it unnecessary to add corrosive NaOH as a stabilizer as the case for NaBH4. Furthermore, hydrolysis of NaB3H8can be catalyzed by a Co-based catalyst with fast kinetics that is comparable to Ru-based catalysts. Therefore, cost-effective hydrolysis of NaB3H8is possible for practical applications. A high capacity of 7.4 wt% H was achieved when water was included in the materials weight.