{"id":{"repo_id":"wustl","oai_identifier":"oai:openscholarship.wustl.edu:eng_etds-1428"},"canonical_url":"https://search.dev.ndltd.org/etd/wustl/oai:openscholarship.wustl.edu:eng_etds-1428","repository":{"repo_id":"wustl","name":"Washington University in St. Louis","base_url":"https://openscholarship.wustl.edu/do/oai/"},"display":{"title":"Critical current density in hot-pressed garnet Li7La3Zr2O12 solid state electrolytes","abstract":"<p>In lithium ion batteries, replacing graphite anode with lithium metal is one of the most promising ways to increase energy density. To avoid dendrite problems caused by lithium metal anode, many kinds of solid state electrolytes are reported. Garnet Li<sub>7</sub>La<sub>3</sub>Zr<sub>2</sub>O<sub>12 </sub>has high chemical and electrochemical stability with lithium metal, its shear moduli is also higher than most membrane materials, so it is one of the most promising solid state electrolyte materials. However, there are still dendrites penetrating under a small current density in Li<sub>7</sub>La<sub>3</sub>Zr<sub>2</sub>O<sub>12</sub>. This thesis is aiming to find possible controlling factors of critical current density.</p>","abstract_html":"&lt;p&gt;In lithium ion batteries, replacing graphite anode with lithium metal is one of the most promising ways to increase energy density. To avoid dendrite problems caused by lithium metal anode, many kinds of solid state electrolytes are reported. Garnet Li&lt;sub&gt;7&lt;/sub&gt;La&lt;sub&gt;3&lt;/sub&gt;Zr&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;12 &lt;/sub&gt;has high chemical and electrochemical stability with lithium metal, its shear moduli is also higher than most membrane materials, so it is one of the most promising solid state electrolyte materials. However, there are still dendrites penetrating under a small current density in Li&lt;sub&gt;7&lt;/sub&gt;La&lt;sub&gt;3&lt;/sub&gt;Zr&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;12&lt;/sub&gt;. This thesis is aiming to find possible controlling factors of critical current density.&lt;/p&gt;","abstract_has_math":false,"creators":["Guo, Jinzhao"],"institution":null,"degree_name":"Master of Science (MS)","degree_level":"Thesis","degree_discipline":"Mechanical Engineering & Materials Science","degree_department":null,"school":null,"contributors":["Peng Bai","Shanker Sastry Katharine Flores"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2019,"date_issued":"2019-01-15T08:00:00Z","date_published":"2019-01-15T08:00:00Z","updated_at":"2026-07-24T06:13:23Z","subjects":["solid state electrolyte","dendrite","hot press","LLZO","Ceramic Materials","Engineering"],"languages":["English (en)"],"rights":["I have not registered my thesis with the U.S. Copyright Office, and do not intend to."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://openscholarship.wustl.edu/eng_etds/430"],"render_values":[{"text":"https://openscholarship.wustl.edu/eng_etds/430","href":"https://openscholarship.wustl.edu/eng_etds/430","code":true}]}]},"links":{"outbound_url":"https://doi.org/7936/fj3m-qw23","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Peng Bai","Shanker Sastry Katharine Flores"]},{"key":"dc:creator","label":"Author","values":["Guo, Jinzhao"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.available","label":"Dc Date Available","values":["2046-05-22T07:00:00Z"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Mechanical Engineering & Materials Science","McKelvey School of Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science (MS)"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["solid state electrolyte","dendrite","hot press","LLZO","Ceramic Materials","Engineering"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English (en)"]},{"key":"dc:rights","label":"Dc Rights","values":["I have not registered my thesis with the U.S. Copyright Office, and do not intend to."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://doi.org/7936/fj3m-qw23","https://openscholarship.wustl.edu/eng_etds/430"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Permanent URL: https://doi.org/7936/fj3m-qw23"]},{"key":"dc:description.abstract","label":"Abstract","values":["<p>In lithium ion batteries, replacing graphite anode with lithium metal is one of the most promising ways to increase energy density. To avoid dendrite problems caused by lithium metal anode, many kinds of solid state electrolytes are reported. Garnet Li<sub>7</sub>La<sub>3</sub>Zr<sub>2</sub>O<sub>12 </sub>has high chemical and electrochemical stability with lithium metal, its shear moduli is also higher than most membrane materials, so it is one of the most promising solid state electrolyte materials. However, there are still dendrites penetrating under a small current density in Li<sub>7</sub>La<sub>3</sub>Zr<sub>2</sub>O<sub>12</sub>. This thesis is aiming to find possible controlling factors of critical current density.</p>"]},{"key":"dc:title","label":"Title","values":["Critical current density in hot-pressed garnet Li7La3Zr2O12 solid state electrolytes"]}]}],"canonical_facts":{"dc:contributor":["Peng Bai","Shanker Sastry Katharine Flores"],"dc:creator":["Guo, Jinzhao"],"dc:date.available":["2046-05-22T07:00:00Z"],"dc:description":["Permanent URL: https://doi.org/7936/fj3m-qw23"],"dc:description.abstract":["<p>In lithium ion batteries, replacing graphite anode with lithium metal is one of the most promising ways to increase energy density. To avoid dendrite problems caused by lithium metal anode, many kinds of solid state electrolytes are reported. Garnet Li<sub>7</sub>La<sub>3</sub>Zr<sub>2</sub>O<sub>12 </sub>has high chemical and electrochemical stability with lithium metal, its shear moduli is also higher than most membrane materials, so it is one of the most promising solid state electrolyte materials. However, there are still dendrites penetrating under a small current density in Li<sub>7</sub>La<sub>3</sub>Zr<sub>2</sub>O<sub>12</sub>. This thesis is aiming to find possible controlling factors of critical current density.</p>"],"dc:identifier":["https://doi.org/7936/fj3m-qw23","https://openscholarship.wustl.edu/eng_etds/430"],"dc:language":["English (en)"],"dc:rights":["I have not registered my thesis with the U.S. Copyright Office, and do not intend to."],"dc:subject":["solid state electrolyte","dendrite","hot press","LLZO","Ceramic Materials","Engineering"],"dc:title":["Critical current density in hot-pressed garnet Li7La3Zr2O12 solid state electrolytes"],"thesis:degree_discipline":["Mechanical Engineering & Materials Science","McKelvey School of Engineering"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["Master of Science (MS)"]},"updated_at":"2026-07-24T06:13:23Z"}