{"title":"全固态锂离子电池:LMO-BCD-MgC 系统的充放电机制研究","authors":"Po-Ting Wu, Jun-Ren Zhao, Fei-Yi Hung, Hsin Kuan","doi":"10.1002/est2.664","DOIUrl":null,"url":null,"abstract":"<p>This study presents the fabrication of an all-solid-state lithium-ion battery using lithium manganese oxide (LiMn<sub>2</sub>O<sub>4</sub>; LMO) as the cathode, graphite (C), and carbon-coated magnesium (MgC) as the anode, along with a silicate-based solid electrolyte. To assess the charge/discharge mechanism, three polymeric membranes with varying weight percentages (5%, 30%, and 50%) of magnesium silicate are produced through battery-cloth deposition (BCD) for use as the solid electrolyte. The findings reveal that enhancing the magnesium silicate content in the solid electrolyte (particularly at 50%) results in an increased specific capacity of the battery. The MgC anode exhibits a peak capacity of approximately 780 mAh/g during the third cycle, maintaining capacity retention of 100% over 26 cycles, addressing the issues of low specific capacity and self-discharge in the solid-state Li-ion battery. Nevertheless, prolonged charge/discharge testing leads to an escalation in the surface roughness and porosity of the carbon coating on the MgC anode, resulting in a decline in capacity. These results demonstrate that the LMO-BCD-MgC battery system proposed in this study is a secure, eco-friendly, and cost-effective option with potential applications in energy storage.</p>","PeriodicalId":11765,"journal":{"name":"Energy Storage","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"All-solid-state Li-ion battery: A study on the charge/discharge mechanism of an LMO-BCD-MgC system\",\"authors\":\"Po-Ting Wu, Jun-Ren Zhao, Fei-Yi Hung, Hsin Kuan\",\"doi\":\"10.1002/est2.664\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>This study presents the fabrication of an all-solid-state lithium-ion battery using lithium manganese oxide (LiMn<sub>2</sub>O<sub>4</sub>; LMO) as the cathode, graphite (C), and carbon-coated magnesium (MgC) as the anode, along with a silicate-based solid electrolyte. To assess the charge/discharge mechanism, three polymeric membranes with varying weight percentages (5%, 30%, and 50%) of magnesium silicate are produced through battery-cloth deposition (BCD) for use as the solid electrolyte. The findings reveal that enhancing the magnesium silicate content in the solid electrolyte (particularly at 50%) results in an increased specific capacity of the battery. The MgC anode exhibits a peak capacity of approximately 780 mAh/g during the third cycle, maintaining capacity retention of 100% over 26 cycles, addressing the issues of low specific capacity and self-discharge in the solid-state Li-ion battery. Nevertheless, prolonged charge/discharge testing leads to an escalation in the surface roughness and porosity of the carbon coating on the MgC anode, resulting in a decline in capacity. These results demonstrate that the LMO-BCD-MgC battery system proposed in this study is a secure, eco-friendly, and cost-effective option with potential applications in energy storage.</p>\",\"PeriodicalId\":11765,\"journal\":{\"name\":\"Energy Storage\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-06-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Energy Storage\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/est2.664\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Energy Storage","FirstCategoryId":"1085","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/est2.664","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
All-solid-state Li-ion battery: A study on the charge/discharge mechanism of an LMO-BCD-MgC system
This study presents the fabrication of an all-solid-state lithium-ion battery using lithium manganese oxide (LiMn2O4; LMO) as the cathode, graphite (C), and carbon-coated magnesium (MgC) as the anode, along with a silicate-based solid electrolyte. To assess the charge/discharge mechanism, three polymeric membranes with varying weight percentages (5%, 30%, and 50%) of magnesium silicate are produced through battery-cloth deposition (BCD) for use as the solid electrolyte. The findings reveal that enhancing the magnesium silicate content in the solid electrolyte (particularly at 50%) results in an increased specific capacity of the battery. The MgC anode exhibits a peak capacity of approximately 780 mAh/g during the third cycle, maintaining capacity retention of 100% over 26 cycles, addressing the issues of low specific capacity and self-discharge in the solid-state Li-ion battery. Nevertheless, prolonged charge/discharge testing leads to an escalation in the surface roughness and porosity of the carbon coating on the MgC anode, resulting in a decline in capacity. These results demonstrate that the LMO-BCD-MgC battery system proposed in this study is a secure, eco-friendly, and cost-effective option with potential applications in energy storage.