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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Chung, Sheng-Heng Manthiram, Arumugam |
| Description | Author Affiliation: Chung SH ( Electrochemical Energy Laboratory & Materials Science and Engineering Program, The University of Texas at Austin, Austin, TX 78712 (USA).) |
| Abstract | Attracted by the unique tissue and functions of leaves, a natural carbonized leaf (CL) is presented as a polysulfide diffusion inhibitor in lithium-sulfur (Li-S) batteries. The CL that is covered on the pure sulfur cathode effectively suppresses the polysulfide shuttling mechanism and enables the use of pure sulfur as the cathode. A low charge resistance and a high discharge capacity of 1320â mA h g(-1) arise from the improved cell conductivity due to the innately integral conductive carbon network of the CL. The unique microstructure of CL leads to a high discharge/charge efficiency of >98 %, low capacity fade of 0.18 % per cycle, and good long-term cyclability over 150â cycles. The structural gradient and the micro/mesoporous adsorption sites of CL effectively intercept/trap the migrating polysulfides and facilitate their reutilization. The green CL polysulfide diffusion inhibitor thus offers a viable approach for developing high-performance lithium-sulfur batteries. |
| File Format | HTM / HTML |
| ISSN | 18645631 |
| Issue Number | 6 |
| Volume Number | 7 |
| e-ISSN | 1864564X |
| Journal | ChemSusChem |
| Language | English |
| Publisher | Wiley-VCH |
| Publisher Date | 2014-06-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Electric Power Supplies Sulfides Green Chemistry Technology Research Support, Non-u.s. Gov't Chemistry Plant Leaves Discipline Sustainable Chemistry Lithium Diffusion Sulfur Carbon Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Energy Environmental Chemistry Materials Science Chemical Engineering |
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