| 查看: 6735 | 回复: 146 | |||||||||||||
| 【奖励】 本帖被评价119次，作者janms增加金币 94.6001 个 | |||||||||||||
| 当前只显示满足指定条件的回帖，点击这里查看本话题的所有回帖 | |||||||||||||
[资源]
锂空电池最新综述—麻省理工的杨绍红组的力作发表在EES上
|
|||||||||||||
|
最新一期的EES刊发了题为Lithium-Oxygen Batteries Bridging Mechanistic Understanding and Battery Performance 的综述，详细的介绍了锂空气电池的最新研究进展，特别讨论了non-carbonate electrolytes 基于充放电的 Li-O2氧化还原反应非碳酸盐电极质化学、基于放电的氧还原反应产物的表征、常用于氧电极的电解质和碳的化学不稳定性等方面，并对相关的电化学领域性质做了介绍。 Rechargeable energy storage systems with high energy density and round-trip efficiency are urgently needed to capture and deliver renewable energy for applications such as electric transportation. Lithium-air / lithium-oxygen (Li-O2) batteries have received extraordinary research attention recently owing to their potential to provide positive electrode gravimetric energies considerably higher (~3-5x) than Li-ion positive electrodes, although the packaged device energy density advantage will be lower (~2x). In light of the major technological challenges of Li-O2 batteries, we discuss current understanding developed in non-carbonate electrolytes of Li-O2 redox chemistry upon discharge and charge, oxygen reduction reaction product characteristics upon discharge, and the chemical instability of electrolytes and carbon commonly used in the oxygen electrode. We show that the kinetics of oxygen reduction reaction are influenced by catalysts at small discharge capacities (Li2O2 thickness less than ~ 1 nm), but not at large Li2O2 thicknesses, yielding insights into the governing processes during discharge. In addition, we discuss the characteristics of discharge products (mainly Li2O2) including morphological, electronic and surface features and parasitic reactivity with carbon. On charge, we examine the reaction mechanism of the oxygen evolution reaction from Li2O2 and the influence of catalysts on bulk Li2O2 decomposition. These analyses provide insights into major discrepancies regarding Li-O2 charge kinetics and the role of catalyst. In light of these findings, we highlight open questions and challenges in the Li-O2 field relevant to developing practical, reversible batteries that achieve the anticipated energy density advantage with a long cycle life.  1.jpg  2.jpg [ 来自科研家族 锂电池世界 ] [ Last edited by zlin on 2013-8-12 at 12:28 ] |
回复此楼» 本帖附件资源列表
-
欢迎监督和反馈：小木虫仅提供交流平台，不对该内容负责。
本内容由用户自主发布，如果其内容涉及到知识产权问题，其责任在于用户本人，如对版权有异议，请联系邮箱：xiaomuchong@tal.com - 附件 1 : Lithium-OxygenBatteriesBridgingMechanisticUnderstandingandBatteryPerformance.pdf
- 附件 2 : Lithium-OxygenBatteriesBridgingMechanisticUnderstandingandBatteryPerformance-support.PDF
2013-02-01 10:55:46, 2.47 M
2013-02-01 10:56:01, 1.3 M
» 收录本帖的淘帖专辑推荐
 锂离子电池研究 | 锂电资源共享 | 先进材料 | 文献推荐 |
| 锂离子电池正极材料 | Lithium ions batteries | 电化学电源、电源管理 | 科技 |
| 关于锂电的资源好贴 | 我的淘帖 | UNICORN |
» 猜你喜欢
求调剂，本科吉大，一志愿华工339
已经有2人回复
-
意大利博洛尼亚大学招聘研究助理2名（2D材料/锂离子与钠离子电池方向）
已经有1人回复
-
物理化学论文润色/翻译怎么收费?
已经有272人回复
-
关于碳量子点抗菌的研究
已经有15人回复
-
南大化学调剂
已经有11人回复
-
硫酸钠溶液浓度与密度曲线
已经有0人回复
-
0703调剂
已经有2人回复
-
1
已经有14人回复
-
0703 调剂
已经有4人回复
-
招收
已经有0人回复
» 本主题相关价值贴推荐，对您同样有帮助:
- EES-最新综述：钠离子电池进展
已经有120人回复
5楼2013-02-01 14:43:57
2楼2013-02-01 14:07:41
9楼2013-02-01 16:22:29
简单回复
buaa_fc3楼
2013-02-01 14:21
回复
五星好评 顶一下，感谢分享！
jm0074楼
2013-02-01 14:24
回复
五星好评 顶一下，感谢分享！
塞外飞沙6楼
2013-02-01 15:11
回复
五星好评 顶一下，感谢分享！
塞外飞沙7楼
2013-02-01 15:11
回复
顶一下，感谢分享！
塞外飞沙8楼
2013-02-01 15:12
回复
顶一下，感谢分享！
nanost11楼
2013-02-01 18:26
回复
五星好评 顶一下，感谢分享！
linianwu12楼
2013-02-01 18:27
回复
五星好评 顶一下，感谢分享！
2013-02-01 18:30
回复
五星好评 顶一下，感谢分享！
