Effect of Electrolyte Filling Technology on the Performance of Porous Carbon Electrode-Based Lithium-Oxygen Batteries
Although the theoretical energy densities of lithium-oxygen batteries (LOBs) far exceed those of lithium-ion batteries, the practical values of the LOBs are usually much lower because of the use of large electrolyte excesses. Thus, to realize LOBs with a high practical energy density, the electrolyt...
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Veröffentlicht in: | ACS applied energy materials 2021-03, Vol.4 (3), p.2563-2569 |
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creator | Matsuda, Shoichi Yamaguchi, Shoji Yasukawa, Eiki Asahina, Hitoshi Kakuta, Hirofumi Otani, Haruhiko Kimura, Shin Kameda, Takashi Takayanagi, Yoshiki Tajika, Akihiko Kubo, Yoshimi Uosaki, Kohei |
description | Although the theoretical energy densities of lithium-oxygen batteries (LOBs) far exceed those of lithium-ion batteries, the practical values of the LOBs are usually much lower because of the use of large electrolyte excesses. Thus, to realize LOBs with a high practical energy density, the electrolyte amount should be minimized without compromising their performance. To address this challenge, we herein investigate the influence of several electrolyte filling techniques on the performance of LOBs, revealing that the battery discharge/charge profiles are strongly influenced by the uniformity of electrolyte distribution in the porous carbon electrode. The obtained results show the importance of electrolyte filling technology for realization of practical high-energy-density LOBs and facilitate their further development. |
doi_str_mv | 10.1021/acsaem.0c03128 |
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Energy Mater</addtitle><description>Although the theoretical energy densities of lithium-oxygen batteries (LOBs) far exceed those of lithium-ion batteries, the practical values of the LOBs are usually much lower because of the use of large electrolyte excesses. Thus, to realize LOBs with a high practical energy density, the electrolyte amount should be minimized without compromising their performance. To address this challenge, we herein investigate the influence of several electrolyte filling techniques on the performance of LOBs, revealing that the battery discharge/charge profiles are strongly influenced by the uniformity of electrolyte distribution in the porous carbon electrode. 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Energy Mater</addtitle><date>2021-03-22</date><risdate>2021</risdate><volume>4</volume><issue>3</issue><spage>2563</spage><epage>2569</epage><pages>2563-2569</pages><issn>2574-0962</issn><eissn>2574-0962</eissn><abstract>Although the theoretical energy densities of lithium-oxygen batteries (LOBs) far exceed those of lithium-ion batteries, the practical values of the LOBs are usually much lower because of the use of large electrolyte excesses. Thus, to realize LOBs with a high practical energy density, the electrolyte amount should be minimized without compromising their performance. To address this challenge, we herein investigate the influence of several electrolyte filling techniques on the performance of LOBs, revealing that the battery discharge/charge profiles are strongly influenced by the uniformity of electrolyte distribution in the porous carbon electrode. 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title | Effect of Electrolyte Filling Technology on the Performance of Porous Carbon Electrode-Based Lithium-Oxygen Batteries |
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