Reviving the rock-salt phases in Ni-rich layered cathodes by mechano-electrochemistry in all-solid-state batteries

Zaifa Wang; Zhenyu Wang; Dingchuan Xue; Jun Zhao; Xuedong Zhang; Lin Geng; Yanshuai Li; Congcong Du; Jingming Yao; Xinyu Liu; Zhaoyu Rong; Baiyu Guo; Ruyue Fang; Yong Su; Claude Delmas; Stephen J. Harris; Marnix Wagemaker; Liqiang Zhang; Yongfu Tang; Sulin Zhang; Lingyun Zhu; Jianyu Huang

doi:10.1016/j.nanoen.2022.108016

Reviving the rock-salt phases in Ni-rich layered cathodes by mechano-electrochemistry in all-solid-state batteries

Zaifa Wang
, Zhenyu Wang
, Dingchuan Xue
, Jun Zhao
, Xuedong Zhang
, Lin Geng
, Yanshuai Li
, Congcong Du
, Jingming Yao
, Xinyu Liu
, Zhaoyu Rong
, Baiyu Guo
, Ruyue Fang
, Yong Su
, Claude Delmas
, Stephen J. Harris
, Marnix Wagemaker
, Liqiang Zhang
, Yongfu Tang
, Sulin Zhang

Lingyun Zhu, Jianyu Huang

Engineering Science and Mechanics

Research output: Contribution to journal › Article › peer-review

35 Scopus citations

Abstract

The rock-salt phase (RSP) formed on the surface of Ni-rich layered cathodes in liquid-electrolyte lithium-ion batteries is conceived to be electrochemically "dead". Here we show massive RSP forms in the interior of LiNi_xMn_yCo_(1−x-y)O₂ (NMC) crystals in sulfide based all solid state batteries (ASSBs), but the RSP remains electrochemically active even after long cycles. The RSP and the layered structure constitute a two-phase mixture, a material architecture that is distinctly different from the RSP in liquid electrolytes. The tensioned layered phase affords an effective percolation channel into which lithium is squeezed out of the RSPs by compressive stress, rendering the RSPs electrochemically active. Consequently, the ASSBs with predominant RSP in the NMC cathode deliver remarkable long cycle life of 4000 cycles at high areal capacity of 4.3 mAh/cm². Our study unveils distinct mechano-electrochemistry of RSPs in ASSBs that can be harnessed to enable high energy density and durable ASSBs.

Original language	English (US)
Article number	108016
Journal	Nano Energy
Volume	105
DOIs	https://doi.org/10.1016/j.nanoen.2022.108016
State	Published - Jan 2023

All Science Journal Classification (ASJC) codes

Renewable Energy, Sustainability and the Environment
General Materials Science
Electrical and Electronic Engineering

Access to Document

10.1016/j.nanoen.2022.108016

Cite this

Wang, Z., Wang, Z., Xue, D., Zhao, J., Zhang, X., Geng, L., Li, Y., Du, C., Yao, J., Liu, X., Rong, Z., Guo, B., Fang, R., Su, Y., Delmas, C., Harris, S. J., Wagemaker, M., Zhang, L., Tang, Y., ... Huang, J. (2023). Reviving the rock-salt phases in Ni-rich layered cathodes by mechano-electrochemistry in all-solid-state batteries. Nano Energy, 105, Article 108016. https://doi.org/10.1016/j.nanoen.2022.108016

@article{aeeab68bacab4fa488101db01ebe34ba,

title = "Reviving the rock-salt phases in Ni-rich layered cathodes by mechano-electrochemistry in all-solid-state batteries",

abstract = "The rock-salt phase (RSP) formed on the surface of Ni-rich layered cathodes in liquid-electrolyte lithium-ion batteries is conceived to be electrochemically {"}dead{"}. Here we show massive RSP forms in the interior of LiNixMnyCo(1−x-y)O2 (NMC) crystals in sulfide based all solid state batteries (ASSBs), but the RSP remains electrochemically active even after long cycles. The RSP and the layered structure constitute a two-phase mixture, a material architecture that is distinctly different from the RSP in liquid electrolytes. The tensioned layered phase affords an effective percolation channel into which lithium is squeezed out of the RSPs by compressive stress, rendering the RSPs electrochemically active. Consequently, the ASSBs with predominant RSP in the NMC cathode deliver remarkable long cycle life of 4000 cycles at high areal capacity of 4.3 mAh/cm2. Our study unveils distinct mechano-electrochemistry of RSPs in ASSBs that can be harnessed to enable high energy density and durable ASSBs.",

author = "Zaifa Wang and Zhenyu Wang and Dingchuan Xue and Jun Zhao and Xuedong Zhang and Lin Geng and Yanshuai Li and Congcong Du and Jingming Yao and Xinyu Liu and Zhaoyu Rong and Baiyu Guo and Ruyue Fang and Yong Su and Claude Delmas and Harris, \{Stephen J.\} and Marnix Wagemaker and Liqiang Zhang and Yongfu Tang and Sulin Zhang and Lingyun Zhu and Jianyu Huang",

note = "Publisher Copyright: {\textcopyright} 2022 Elsevier Ltd",

year = "2023",

month = jan,

doi = "10.1016/j.nanoen.2022.108016",

language = "English (US)",

volume = "105",

journal = "Nano Energy",

issn = "2211-2855",

publisher = "Elsevier B.V.",

}

Wang, Z, Wang, Z, Xue, D, Zhao, J, Zhang, X, Geng, L, Li, Y, Du, C, Yao, J, Liu, X, Rong, Z, Guo, B, Fang, R, Su, Y, Delmas, C, Harris, SJ, Wagemaker, M, Zhang, L, Tang, Y, Zhang, S, Zhu, L & Huang, J 2023, 'Reviving the rock-salt phases in Ni-rich layered cathodes by mechano-electrochemistry in all-solid-state batteries', Nano Energy, vol. 105, 108016. https://doi.org/10.1016/j.nanoen.2022.108016

TY - JOUR

T1 - Reviving the rock-salt phases in Ni-rich layered cathodes by mechano-electrochemistry in all-solid-state batteries

AU - Wang, Zaifa

AU - Wang, Zhenyu

AU - Xue, Dingchuan

AU - Zhao, Jun

AU - Zhang, Xuedong

AU - Geng, Lin

AU - Li, Yanshuai

AU - Du, Congcong

AU - Yao, Jingming

AU - Liu, Xinyu

AU - Rong, Zhaoyu

AU - Guo, Baiyu

AU - Fang, Ruyue

AU - Su, Yong

AU - Delmas, Claude

AU - Harris, Stephen J.

AU - Wagemaker, Marnix

AU - Zhang, Liqiang

AU - Tang, Yongfu

AU - Zhang, Sulin

AU - Zhu, Lingyun

AU - Huang, Jianyu

PY - 2023/1

Y1 - 2023/1

N2 - The rock-salt phase (RSP) formed on the surface of Ni-rich layered cathodes in liquid-electrolyte lithium-ion batteries is conceived to be electrochemically "dead". Here we show massive RSP forms in the interior of LiNixMnyCo(1−x-y)O2 (NMC) crystals in sulfide based all solid state batteries (ASSBs), but the RSP remains electrochemically active even after long cycles. The RSP and the layered structure constitute a two-phase mixture, a material architecture that is distinctly different from the RSP in liquid electrolytes. The tensioned layered phase affords an effective percolation channel into which lithium is squeezed out of the RSPs by compressive stress, rendering the RSPs electrochemically active. Consequently, the ASSBs with predominant RSP in the NMC cathode deliver remarkable long cycle life of 4000 cycles at high areal capacity of 4.3 mAh/cm2. Our study unveils distinct mechano-electrochemistry of RSPs in ASSBs that can be harnessed to enable high energy density and durable ASSBs.

AB - The rock-salt phase (RSP) formed on the surface of Ni-rich layered cathodes in liquid-electrolyte lithium-ion batteries is conceived to be electrochemically "dead". Here we show massive RSP forms in the interior of LiNixMnyCo(1−x-y)O2 (NMC) crystals in sulfide based all solid state batteries (ASSBs), but the RSP remains electrochemically active even after long cycles. The RSP and the layered structure constitute a two-phase mixture, a material architecture that is distinctly different from the RSP in liquid electrolytes. The tensioned layered phase affords an effective percolation channel into which lithium is squeezed out of the RSPs by compressive stress, rendering the RSPs electrochemically active. Consequently, the ASSBs with predominant RSP in the NMC cathode deliver remarkable long cycle life of 4000 cycles at high areal capacity of 4.3 mAh/cm2. Our study unveils distinct mechano-electrochemistry of RSPs in ASSBs that can be harnessed to enable high energy density and durable ASSBs.

UR - https://www.scopus.com/pages/publications/85142753899

UR - https://www.scopus.com/pages/publications/85142753899#tab=citedBy

U2 - 10.1016/j.nanoen.2022.108016

DO - 10.1016/j.nanoen.2022.108016

M3 - Article

AN - SCOPUS:85142753899

SN - 2211-2855

VL - 105

JO - Nano Energy

JF - Nano Energy

M1 - 108016

ER -

Reviving the rock-salt phases in Ni-rich layered cathodes by mechano-electrochemistry in all-solid-state batteries

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this