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Morphological Reversibility of Modified Li-Based Anodes for Next-Generation Batteries

Sun, Fu ; Zhou, Dong ; He, Xin ; Osenberg, Markus ; Dong, Kang ; Chen, Libao ; Mei, Shilin ; Hilger, André ; Markötter, Henning and Lu, Yan , et al. (2020) In ACS Energy Letters 5(1). p.152-161
Abstract

Although a great variety of strategies to suppress Li dendrite have been proposed for lithium metal batteries (LMBs), a deeper understanding of the factors playing a crucial role during extended electrochemical cycling is often lacking. Herein, the morphological reversibility of the Li-based anode for next-generation batteries under three prevalent strategies, i.e., the use of Li-Al alloys, polymer coating, and anodic aluminum oxide (AAO) membrane attachment, has been sophisticatedly investigated by nondestructive visualization. The characterizations clearly capture the unprecedented morphological evolution of the Li-based anode during the electrochemical cycling. Furthermore, the results unambiguously indicate the formation of the... (More)

Although a great variety of strategies to suppress Li dendrite have been proposed for lithium metal batteries (LMBs), a deeper understanding of the factors playing a crucial role during extended electrochemical cycling is often lacking. Herein, the morphological reversibility of the Li-based anode for next-generation batteries under three prevalent strategies, i.e., the use of Li-Al alloys, polymer coating, and anodic aluminum oxide (AAO) membrane attachment, has been sophisticatedly investigated by nondestructive visualization. The characterizations clearly capture the unprecedented morphological evolution of the Li-based anode during the electrochemical cycling. Furthermore, the results unambiguously indicate the formation of the "dead" electrochemically generated porous structures regardless of >99% cycling efficiency shown in Li symmetric cells in all three cell configurations. The results presented here shed light on further understanding of the morphological evolution of the Li anode under different scenarios, and it also enlightens us on new research activities that may assist in propelling the commercialization of LMBs.

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publishing date
type
Contribution to journal
publication status
published
in
ACS Energy Letters
volume
5
issue
1
pages
10 pages
publisher
The American Chemical Society (ACS)
external identifiers
  • scopus:85076806302
ISSN
2380-8195
DOI
10.1021/acsenergylett.9b02424
language
English
LU publication?
no
additional info
Publisher Copyright: Copyright © 2019 American Chemical Society.
id
2f0b4386-109c-490b-bdbc-341d1ed870a2
date added to LUP
2025-12-05 22:41:13
date last changed
2025-12-11 15:07:23
@article{2f0b4386-109c-490b-bdbc-341d1ed870a2,
  abstract     = {{<p>Although a great variety of strategies to suppress Li dendrite have been proposed for lithium metal batteries (LMBs), a deeper understanding of the factors playing a crucial role during extended electrochemical cycling is often lacking. Herein, the morphological reversibility of the Li-based anode for next-generation batteries under three prevalent strategies, i.e., the use of Li-Al alloys, polymer coating, and anodic aluminum oxide (AAO) membrane attachment, has been sophisticatedly investigated by nondestructive visualization. The characterizations clearly capture the unprecedented morphological evolution of the Li-based anode during the electrochemical cycling. Furthermore, the results unambiguously indicate the formation of the "dead" electrochemically generated porous structures regardless of &gt;99% cycling efficiency shown in Li symmetric cells in all three cell configurations. The results presented here shed light on further understanding of the morphological evolution of the Li anode under different scenarios, and it also enlightens us on new research activities that may assist in propelling the commercialization of LMBs.</p>}},
  author       = {{Sun, Fu and Zhou, Dong and He, Xin and Osenberg, Markus and Dong, Kang and Chen, Libao and Mei, Shilin and Hilger, André and Markötter, Henning and Lu, Yan and Dong, Shanmu and Marathe, Shashidhara and Rau, Christoph and Hou, Xu and Li, Jie and Stan, Marian Cristian and Winter, Martin and Dominko, Robert and Manke, Ingo}},
  issn         = {{2380-8195}},
  language     = {{eng}},
  month        = {{01}},
  number       = {{1}},
  pages        = {{152--161}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{ACS Energy Letters}},
  title        = {{Morphological Reversibility of Modified Li-Based Anodes for Next-Generation Batteries}},
  url          = {{http://dx.doi.org/10.1021/acsenergylett.9b02424}},
  doi          = {{10.1021/acsenergylett.9b02424}},
  volume       = {{5}},
  year         = {{2020}},
}