| 查看: 1715 | 回复: 6 | |||||
Parker一班木虫 (正式写手)
水牛生态学家
|
[交流]
大牛Marnix Wagemaker最新锂电力作（Nature Communications，2015年9月28日） 已有5人参与
|
|
题目：Direct view on the phase evolution in individual LiFePO4 nanoparticles during Li-ion battery cycling 作者：Xiaoyu Zhang1, Martijn van Hulzen1, Deepak P. Singh1, Alex Brownrigg2, Jonathan P. Wright2, Niels H. van Dijk1 & Marnix Wagemaker1 1 Department of Radiation Science and Technology, Delft University of Technology, Mekelweg 15, 2629JB Delft, The Netherlands. 2 European Synchrotron Radiation Facility, 6 rue Jules Horowitz, BP 220, 38043 Grenoble Cedex, France. 摘要：Phase transitions in Li-ion electrode materials during (dis)charge are decisive for battery performance, limiting high-rate capabilities and playing a crucial role in the cycle life of Li-ion batteries. However, the difficulty to probe the phase nucleation and growth in individual grains is hindering fundamental understanding and progress. Here we use synchrotron microbeam diffraction to disclose the cycling rate-dependent phase transition mechanism within individual particles of LiFePO4, a key Li-ion electrode material. At low (dis)charge rates well-defined nanometer thin plate-shaped domains co-exist and transform much slower and concurrent as compared with the commonly assumed mosaic transformation mechanism. As the (dis)charge rate increases phase boundaries become diffuse speeding up the transformation rates of individual grains. Direct observation of the transformation of individual grains reveals that local current densities significantly differ from what has previously been assumed, giving new insights in the working of Li-ion battery electrodes and their potential improvements.  Wagemaker.jpg |
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 : Wagemaker_Nature_Communications_2015.pdf
2015-09-28 02:32:05, 744.71 K
» 收录本帖的淘帖专辑推荐
 锂电资源共享 | 纳米技术与能源及模拟 |
» 猜你喜欢
深圳大学高等研究院赵伟课题组招收化学调剂生
已经有3人回复
-
青岛大学固态电池研究团队招收材料、化学、物理等方向博士研究生
已经有32人回复
-
分析化学论文润色/翻译怎么收费?
已经有78人回复
-
化学工程085602 305分求调剂
已经有21人回复
-
龋病与牙周病的表述
已经有1人回复
-
070300化学求调剂
已经有12人回复
-
武汉纺织大学全国重点实验室杨应奎教授团队拟招17-19位硕博生！
已经有0人回复
-
材料与化工专硕接受跨专业调剂（重庆市属高校）
已经有0人回复
-
武汉纺织大学全国重点实验室杨应奎教授团队拟招17-19位硕博生！
已经有0人回复
-
070300 化学学硕 初试357分 b区求调剂
已经有1人回复
-
上海工程技术大学生态与功能纺织品开发研究团队招收学硕专硕研究生
已经有0人回复
lqingh506
铁杆木虫 (知名作家)
- 应助: 314 (大学生)
- 金币: 10859.9
- 散金: 1523
- 红花: 75
- 帖子: 7623
- 在线: 3397.9小时
- 虫号: 723546
- 注册: 2009-03-15
- 性别: GG
- 专业: 无机非金属类光电信息与功
2楼2015-09-28 07:53:15
莫小陌93
铁虫 (小有名气)
- 应助: 1 (幼儿园)
- 金币: 244.4
- 散金: 20
- 帖子: 112
- 在线: 54.5小时
- 虫号: 3620241
- 注册: 2014-12-30
- 专业: 无机非金属类光电信息与功
3楼2015-09-28 14:51:45
  |
4楼2015-09-29 08:14:48
5楼2015-10-06 20:50:49
|
|
6楼2018-05-30 15:17:27
|
|
7楼2018-05-30 15:17:43
