Zobrazeno 1 - 10 of 50 pro vyhledávání: '"John Holoubek"'
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Akademický článek
Enabling rechargeable Li‐MnO2 batteries using ether electrolytes
Autor: Dawei Xia, Hongpeng Gao, Mingqian Li, John Holoubek, Qizhang Yan, Yijie Yin, Panpan Xu, Zheng Chen
Publikováno v: SmartMat, Vol 4, Iss 5, Pp n/a-n/a (2023)
Abstract A low‐carbon future demands more affordable batteries utilizing abundant elements with sustainable end‐of‐life battery management. Despite the economic and environmental advantages of Li‐MnO2 batteries, their application so far has b
Externí odkaz: https://doaj.org/article/7abfc66eb3b94283ab74602d407f2eb1
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2
Akademický článek
Sub-nanometer confinement enables facile condensation of gas electrolyte for low-temperature batteries
Autor: Guorui Cai, Yijie Yin, Dawei Xia, Amanda A. Chen, John Holoubek, Jonathan Scharf, Yangyuchen Yang, Ki Hwan Koh, Mingqian Li, Daniel M. Davies, Matthew Mayer, Tae Hee Han, Ying Shirley Meng, Tod A. Pascal, Zheng Chen
Publikováno v: Nature Communications, Vol 12, Iss 1, Pp 1-11 (2021)
Liquefied gas electrolytes (LGE) can enable the operation of electrochemical devices in cold conditions but their high vapour pressure poses safety concerns. Here, the authors show that the nano-confinement effect of metal-organic framework allows ba
Externí odkaz: https://doaj.org/article/4e2ea37899544a72a12c24939fcdd001
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3
Akademický článek
A Fiber‐Based 3D Lithium Host for Lean Electrolyte Lithium Metal Batteries
Autor: Sicen Yu, Zhaohui Wu, John Holoubek, Haodong Liu, Emma Hopkins, Yuxuan Xiao, Xing Xing, Myeong Hwan Lee, Ping Liu
Publikováno v: Advanced Science, Vol 9, Iss 10, Pp n/a-n/a (2022)
Abstract 3D hosts are promising to extend the cycle life of lithium metal anodes but have rarely been implemented with lean electrolytes thus impacting the practical cell energy density. To overcome this challenge, a 3D host that is lightweight and e
Externí odkaz: https://doaj.org/article/3d00c4ec209d487d9569bed610a5f8c7
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9
Oxidative Stabilization of Dilute Ether Electrolytes via Anion Modification
Autor: John Holoubek, Qizhang Yan, Haodong Liu, Emma J. Hopkins, Zhaohui Wu, Sicen Yu, Jian Luo, Tod A. Pascal, Zheng Chen, Ping Liu
Publikováno v: ACS Energy Letters. 7:675-682
State of the art Li metal batteries typically rely on ether electrolytes with high salt concentration and/or fluorinated solvents to enable stable cycling. Their high manufacturing costs at scale have motivated us to consider dilute, non-fluorinated
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38eca8838358fd897fff3db43cf140a0
https://doi.org/10.1021/acsenergylett.1c02723
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10
Electrolyte design implications of ion-pairing in low-temperature Li metal batteries
Autor: John Holoubek, Kangwoon Kim, Yijie Yin, Zhaohui Wu, Haodong Liu, Mingqian Li, Amanda Chen, Hongpeng Gao, Guorui Cai, Tod A. Pascal, Ping Liu, Zheng Chen
Publikováno v: Energy & Environmental Science. 15:1647-1658
The reversibility of Li metal batteries suffers beneath 0 °C due to a heightened charge-transfer barrier. Herein, the introduction of ion-pairs within the electrolyte is shown to improve this behavior, enabling hundreds of cycles down to −40 °C.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cfbe9dab52eb55a4e36598c9589a4ca2
https://doi.org/10.1039/d1ee03422g
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