The genesis and control of microcracks in nickel-rich cathode materials for lithium-ion batteries

Liao, Qin-Tao; Guo, Si-Jie; Qi, Mu-Yao; Zhang, Si-Dong; Ma, Pei-Zhong; Li, Jin-Yang; Cao, An-Min; Wan, Li-Jun

doi:10.1039/d3se00844d

Sustainable Energy Fuels

2023

DOI: 10.1039/d3se00844d

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The genesis and control of microcracks in nickel-rich cathode materials for lithium-ion batteries

Qin-Tao Liao,

Si-Jie Guo,

Mu-Yao Qi

et al.

Abstract: A schematic diagram of the formation, detrimental impacts of microcracks, and the corresponding modification strategies.

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Cited by 3 publications

References 130 publications

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New Emerging Fast Charging Microscale Electrode Materials

Wang,

Zhong,

Wang

et al. 2023

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Fast charging lithium (Li)‐ion batteries are intensively pursued for next‐generation energy storage devices, whose electrochemical performance is largely determined by their constituent electrode materials. While nanosizing of electrode materials enhances high‐rate capability in academic research, it presents practical limitations like volumetric packing density and high synthetic cost. As an alternative to nanosizing, microscale electrode materials cannot only effectively overcome the limitations of the nanosizing strategy but also satisfy the requirement of fast‐charging batteries. Therefore, this review summarizes the new emerging microscale electrode materials for fast charging from the commercialization perspective. First, the fundamental theory of electronic/ionic motion in both individual active particles and the whole electrode is proposed. Then, based on these theories, the corresponding optimization strategies are summarized toward fast‐charging microscale electrode materials. In addition, advanced functional design to tackle the mechanical degradation problems related to next generation high capacity alloy‐ and conversion‐type electrode materials (Li, S, Si et al.) for achieving fast charging and stable cycling batteries. Finally, general conclusions and the future perspective on the potential research directions of microscale electrode materials are proposed. It is anticipated that this review will provide the basic guidelines for both fundamental research and practical applications of fast‐charging batteries.

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New Emerging Fast Charging Microscale Electrode Materials

Wang,

Zhong,

Wang

et al. 2023

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Mitigation of charge heterogeneity by uniform in situ coating enables stable cycling of LiCoO2 at 4.6V

Li,

Pan,

Gan

et al. 2024

Energy Storage Materials

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To Enhance the Performance of LiNi_0.5Co_0.2Mn_0.3O₂ Aqueous Electrodes by the Coating Process

Jiang,

Huang

2024

ACS Omega

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The Li + /H + cation exchange reactions occur when the cathode is exposed to water and can cause the degradation of battery performance, posing a significant challenge in the preparation of cathode aqueous electrodes. In this study, kh570 [3-(trimethoxysilyl)propyl methacrylate] is used to coat and modify the surface of LiNi 0.5 Co 0.2 Mn 0.3 O 2 cathode particles. During the coating process, kh570 undergoes hydrolysis to generate silanol groups, which are subsequently bonded onto the surface of cathode particles and undergo self-polymerization through condensation reactions. As a result, a coating layer forms on the surface of the cathode. This change alters the surface properties of the cathode particles from hydrophilic to hydrophobic, thereby increasing their resistance to water. The coating layers reduce direct contact with water and minimizes internal particle microcracks formation in aqueous electrode processing. After the preparation of aqueous electrodes, the modified cathode exhibits lower transfer resistance and lower polarization, improving both the current rate performance and the cycling performance of the battery.

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The genesis and control of microcracks in nickel-rich cathode materials for lithium-ion batteries

Abstract: A schematic diagram of the formation, detrimental impacts of microcracks, and the corresponding modification strategies.

Cited by 3 publications

References 130 publications

New Emerging Fast Charging Microscale Electrode Materials

New Emerging Fast Charging Microscale Electrode Materials

Mitigation of charge heterogeneity by uniform in situ coating enables stable cycling of LiCoO2 at 4.6V

To Enhance the Performance of LiNi_0.5Co_0.2Mn_0.3O₂ Aqueous Electrodes by the Coating Process

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About

The genesis and control of microcracks in nickel-rich cathode materials for lithium-ion batteries

Abstract: A schematic diagram of the formation, detrimental impacts of microcracks, and the corresponding modification strategies.

Cited by 3 publications

References 130 publications

New Emerging Fast Charging Microscale Electrode Materials

New Emerging Fast Charging Microscale Electrode Materials

Mitigation of charge heterogeneity by uniform in situ coating enables stable cycling of LiCoO2 at 4.6V

To Enhance the Performance of LiNi0.5Co0.2Mn0.3O2 Aqueous Electrodes by the Coating Process

Contact Info

Product

Resources

About

To Enhance the Performance of LiNi_0.5Co_0.2Mn_0.3O₂ Aqueous Electrodes by the Coating Process