Manganese and Cobalt-Free Ultrahigh-Ni-Rich Single-Crystal Cathode for High-Performance Lithium Batteries

Adil Saleem; He Zhu; Muhammad K. Majeed; Rashid Iqbal; Bushra Jabar; Arshad Hussain; M. Zeeshan Ashfaq; Muhammad Ahmad; Sajid Rauf; Jean Pierre Mwizerwa; Jun Shen; Qi Liu

doi:10.1021/acsami.2c19687

Manganese and Cobalt-Free Ultrahigh-Ni-Rich Single-Crystal Cathode for High-Performance Lithium Batteries

Adil Saleem, He Zhu, Muhammad K. Majeed, Rashid Iqbal, Bushra Jabar, Arshad Hussain, M. Zeeshan Ashfaq, Muhammad Ahmad, Sajid Rauf, Jean Pierre Mwizerwa, Jun Shen^*, Qi Liu^*

^*Corresponding author for this work

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

23 Scopus citations

Abstract

Current commercial nickel (Ni)-rich Mn, Co, and Al-containing cathodes are employed in high-energy-density lithium (Li) batteries all around the globe. The presence of Mn/Co in them brings out several problems, such as high toxicity, high cost, severe transition-metal dissolution, and quick surface degradation. Herein, a Mn/Co-free ultrahigh-Ni-rich single-crystal LiNi_0.94Fe_0.05Cu_0.01O₂ (SCNFCu) cathode with acceptable electrochemical performance is benchmarked against a Mn/Co-containing cathode. Despite having a slightly lower discharge capacity, the SCNFCu cathode retaining 77% of its capacity across 600 deep cycles in full-cell outperforms comparable to a high-Ni single-crystal LiNi_0.9Mn_0.05Co_0.05O₂ (SCNMC; 66%) cathode. It is shown that the stabilizing ions Fe/Cu in the SCNFCu cathode reduce structural disintegration, undesirable side reactions with the electrolyte, transition-metal dissolution, and active Li loss. This discovery provides a new extent for cathode material development for next-generation high-energy, Mn/Co-free Li batteries due to the compositional tuning flexibility and quick scalability of SCNFCu, which is comparable to the SCNMC cathode.

Original language	English
Pages (from-to)	20843-20853
Number of pages	11
Journal	ACS Applied Materials and Interfaces
Volume	15
Issue number	17
DOIs	https://doi.org/10.1021/acsami.2c19687
State	Published - 3 May 2023
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2023 American Chemical Society.

Keywords

Mn/Co-free cathode
Ni-rich cathode
cathode−electrolyte interphase
lithium batteries
single-crystal

ASJC Scopus subject areas

General Materials Science

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1021/acsami.2c19687

Cite this

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title = "Manganese and Cobalt-Free Ultrahigh-Ni-Rich Single-Crystal Cathode for High-Performance Lithium Batteries",

abstract = "Current commercial nickel (Ni)-rich Mn, Co, and Al-containing cathodes are employed in high-energy-density lithium (Li) batteries all around the globe. The presence of Mn/Co in them brings out several problems, such as high toxicity, high cost, severe transition-metal dissolution, and quick surface degradation. Herein, a Mn/Co-free ultrahigh-Ni-rich single-crystal LiNi0.94Fe0.05Cu0.01O2 (SCNFCu) cathode with acceptable electrochemical performance is benchmarked against a Mn/Co-containing cathode. Despite having a slightly lower discharge capacity, the SCNFCu cathode retaining 77\% of its capacity across 600 deep cycles in full-cell outperforms comparable to a high-Ni single-crystal LiNi0.9Mn0.05Co0.05O2 (SCNMC; 66\%) cathode. It is shown that the stabilizing ions Fe/Cu in the SCNFCu cathode reduce structural disintegration, undesirable side reactions with the electrolyte, transition-metal dissolution, and active Li loss. This discovery provides a new extent for cathode material development for next-generation high-energy, Mn/Co-free Li batteries due to the compositional tuning flexibility and quick scalability of SCNFCu, which is comparable to the SCNMC cathode.",

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author = "Adil Saleem and He Zhu and Majeed, \{Muhammad K.\} and Rashid Iqbal and Bushra Jabar and Arshad Hussain and Ashfaq, \{M. Zeeshan\} and Muhammad Ahmad and Sajid Rauf and Mwizerwa, \{Jean Pierre\} and Jun Shen and Qi Liu",

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doi = "10.1021/acsami.2c19687",

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AU - Saleem, Adil

AU - Zhu, He

AU - Majeed, Muhammad K.

AU - Iqbal, Rashid

AU - Jabar, Bushra

AU - Hussain, Arshad

AU - Ashfaq, M. Zeeshan

AU - Ahmad, Muhammad

AU - Rauf, Sajid

AU - Mwizerwa, Jean Pierre

AU - Shen, Jun

AU - Liu, Qi

PY - 2023/5/3

Y1 - 2023/5/3

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AB - Current commercial nickel (Ni)-rich Mn, Co, and Al-containing cathodes are employed in high-energy-density lithium (Li) batteries all around the globe. The presence of Mn/Co in them brings out several problems, such as high toxicity, high cost, severe transition-metal dissolution, and quick surface degradation. Herein, a Mn/Co-free ultrahigh-Ni-rich single-crystal LiNi0.94Fe0.05Cu0.01O2 (SCNFCu) cathode with acceptable electrochemical performance is benchmarked against a Mn/Co-containing cathode. Despite having a slightly lower discharge capacity, the SCNFCu cathode retaining 77% of its capacity across 600 deep cycles in full-cell outperforms comparable to a high-Ni single-crystal LiNi0.9Mn0.05Co0.05O2 (SCNMC; 66%) cathode. It is shown that the stabilizing ions Fe/Cu in the SCNFCu cathode reduce structural disintegration, undesirable side reactions with the electrolyte, transition-metal dissolution, and active Li loss. This discovery provides a new extent for cathode material development for next-generation high-energy, Mn/Co-free Li batteries due to the compositional tuning flexibility and quick scalability of SCNFCu, which is comparable to the SCNMC cathode.

KW - Mn/Co-free cathode

KW - Ni-rich cathode

KW - cathode−electrolyte interphase

KW - lithium batteries

KW - single-crystal

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ER -

Manganese and Cobalt-Free Ultrahigh-Ni-Rich Single-Crystal Cathode for High-Performance Lithium Batteries

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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