Nanostructured Carbons and Additives for Improvement of the Lithium-Sulfur Battery Positive Electrode
| dc.comment.hidden | The thesis includes work that has been published but the publishers do not require written permission. I have included the appropriate references in the thesis. | en |
| dc.contributor.author | Evers, Scott Randall | |
| dc.date.accessioned | 2013-04-19T20:44:43Z | |
| dc.date.available | 2013-04-19T20:44:43Z | |
| dc.date.issued | 2013-04-19T20:44:43Z | |
| dc.date.submitted | 2013 | |
| dc.description.abstract | Large specific gravimetric/volumetric energy density, environmental benignity and safe low working voltage. All of these points have been used to describe the lithium sulfur (Li-S) battery in the past, but often times it is short cycle life and poor capacity retention that is associated with the Li-S battery. In order to realize the full potential of the Li-S battery in society today, many obstacles must be overcome. In a typical Li-S cell with an organic liquid electrolyte sulfur is reduced by lithium during discharge and subsequent lithium polysulfide species (Li2Sx where x, 2 < x < 8) are formed. These species are readily soluble in typical organic electrolytes and can lead to low Coulombic efficiency and most challenging: active mass loss. Through the loss of active mass, rapid capacity fading occurs over long-term cell cycling. Overcoming the loss of active mass and stabilizing cell capacity at high rates is pivotal to the realization of practical Li-S cells. In this thesis, four separate concepts and materials were studied and prepared with the aim to improve the Li-S batteries capacity, cycle life and capacity retention. | en |
| dc.identifier.uri | http://hdl.handle.net/10012/7408 | |
| dc.language.iso | en | en |
| dc.pending | false | en |
| dc.publisher | University of Waterloo | en |
| dc.subject | Lithium Sulfur | en |
| dc.subject | Battery | en |
| dc.subject.program | Chemistry | en |
| dc.title | Nanostructured Carbons and Additives for Improvement of the Lithium-Sulfur Battery Positive Electrode | en |
| dc.type | Master Thesis | en |
| uws-etd.degree | Master of Science | en |
| uws-etd.degree.department | Chemistry | en |
| uws.peerReviewStatus | Unreviewed | en |
| uws.scholarLevel | Graduate | en |
| uws.typeOfResource | Text | en |