Effect of Li(3)N additive on the hydrogen storage properties of Li-Mg-N-H system
文献类型：期刊论文
| 作者 | L. P. Ma ; Z. Z. Fang ; H. B. Dai ; X. D. Kang ; Y. Liang ; P. J. Wang ; P. Wang ; H. M. Cheng |
| 刊名 | Journal of Materials Research
 |
| 出版日期 | 2009 |
| 卷号 | 24期号:6页码:1936-1942 |
| 关键词 | complex hydrides improvement mixtures imides amide h-2 |
| ISSN号 | 0884-2914 |
| 中文摘要 | The effect of Li(3)N additive on the Li-Mg-N-H system was examined with respect to the reversible dehydrogenation performance. Screening Study with varying Li(3)N additions (5, 10, 20, and 30 mol%) demonstrates that all are effective for improving the hydrogen desorption capacity. Optimally, incorporation of 10 mol% Li(3)N improves the practical capacity from 3.9 wt% to approximately 4.7 wt% hydrogen at 200 degrees C, which drives the dehydrogenation reaction toward completion. Moreover, the capacity enhancement persists well over 10 de-/rehydrogenation cycles. Systematic x-ray diffraction examinations indicate that Li(3)N additive transforms into LiNH(2) and LiH phases and remains during hydrogen cycling. Combined structure/property investigations suggest that the LiNH(2) "seeding" should be responsible for the capacity enhancement, which reduces the kinetic barrier associated with the nucleation of intermediate LiNH(2). In addition, the concurrent incorporation of LiH is effective for mitigating the ammonia release. |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://210.72.142.130/handle/321006/32181]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | L. P. Ma,Z. Z. Fang,H. B. Dai,et al. Effect of Li(3)N additive on the hydrogen storage properties of Li-Mg-N-H system[J]. Journal of Materials Research,2009,24(6):1936-1942. |
| APA | L. P. Ma.,Z. Z. Fang.,H. B. Dai.,X. D. Kang.,Y. Liang.,...&H. M. Cheng.(2009).Effect of Li(3)N additive on the hydrogen storage properties of Li-Mg-N-H system.Journal of Materials Research,24(6),1936-1942. |
| MLA | L. P. Ma,et al."Effect of Li(3)N additive on the hydrogen storage properties of Li-Mg-N-H system".Journal of Materials Research 24.6(2009):1936-1942. |
入库方式： OAI收割
来源：金属研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。