High-Entropy Rock-Salt Surface Layer Stabilizes the Ultrahigh-Ni Single-Crystal Cathode
文献类型：期刊论文
| 作者 | Xu, Zhongxing1,2; Chen, Xinghan1,3; Fan, Wenguang1; Zhan, Minzhi1; Mu, Xulin4; Cao, Hongbin1; Wang, Xiaohu1; Xue, Haoyu1; Gao, Zhihai1; Liang, Yongzhi1 |
| 刊名 | ACS NANO
 |
| 出版日期 | 2024-11-28 |
| 卷号 | 18期号:49页码:33706-33717 |
| 关键词 | layered oxide single-crystalline cathodes ultrahigh-Ni high-entropy lithium-ion batteries |
| ISSN号 | 1936-0851 |
| DOI | 10.1021/acsnano.4c13911 |
| 通讯作者 | Liu, Jiajie(liujiajie@sz.pku.edu.cn) ; Tan, Xinghua(xhtan@imr.ac.cn) ; Pan, Feng(panfeng@pkusz.edu.cn) |
| 英文摘要 | Single-crystalline Ni-rich layered oxides are one of the most promising cathode materials for lithium-ion batteries due to their superior structural stability. However, sluggish lithium-ion diffusion kinetics and interfacial issues hinder their practical applications. These issues intensify with increasing Ni content in the ultrahigh-Ni regime (>= 90%), significantly threatening the practical viability of the single-crystalline strategy for ultrahigh-Ni layered oxide cathodes. Herein, by developing a high-entropy coating strategy, we successfully constructed an epitaxial lattice-coherent high-entropy rock-salt layer (similar to 3 nm) via Zr and Al doping on the surface of the single-crystalline cathode LiNi0.92Co0.05Mn0.03O2 through an in situ modification process. The surface high-entropy rock-salt layer with tailored Ni valence and lattice coherence not only greatly improves lithium-ion diffusion kinetics but also suppresses interface parasitic reactions and surface structural degradations. The high-entropy surface layer-stabilized ultrahigh-Ni single-crystalline cathode (SC-Ni92-ZA) demonstrates significantly improved rate and cycling performances (127.5 mAh g-1 at 20C, capacity retention of 74.9% after 500 cycles at 1C) in a half-cell. The SC-Ni92-ZA exhibits a capacity retention of 87.1% after 600 cycles at 1C in a full-cell. This epitaxial lattice-coherent high-entropy coating strategy develops a promising avenue for developing high-capacity, long-life cathode materials. |
| 资助项目 | Basic and Applied Basic Research Foundation of Guangdong Province[2023A1515111131] ; Guangdong Basic and Applied Basic Research Foundation[2021B1515130002] ; Basic and Applied Basic Research Foundation of Guangdong Province[2015B01015] ; International joint Research Center for Electric Vehicle Power Battery and Materials[2017B030301013] ; Guangdong Key Laboratory of Design and calculation of New Energy Materials[ZDSYS201707281026184] ; Shenzhen Key Laboratory of New Energy Resources Genome Preparation and Testing |
| WOS研究方向 | Chemistry ; Science & Technology - Other Topics ; Materials Science |
| 语种 | 英语 |
| WOS记录号 | WOS:001366348100001 |
| 出版者 | AMER CHEMICAL SOC |
| 资助机构 | Basic and Applied Basic Research Foundation of Guangdong Province ; Guangdong Basic and Applied Basic Research Foundation ; Basic and Applied Basic Research Foundation of Guangdong Province ; International joint Research Center for Electric Vehicle Power Battery and Materials ; Guangdong Key Laboratory of Design and calculation of New Energy Materials ; Shenzhen Key Laboratory of New Energy Resources Genome Preparation and Testing |
| 源URL |  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Liu, Jiajie; Tan, Xinghua; Pan, Feng |
| 作者单位 | 1.Peking Univ, Sch Adv Mat, Shenzhen Grad Sch, Shenzhen 518055, Peoples R China 2.Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China 3.Sun Yat Sen Univ, Sch Mat, Shenzhen 518107, Peoples R China 4.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xu, Zhongxing,Chen, Xinghan,Fan, Wenguang,et al. High-Entropy Rock-Salt Surface Layer Stabilizes the Ultrahigh-Ni Single-Crystal Cathode[J]. ACS NANO,2024,18(49):33706-33717. |
| APA | Xu, Zhongxing.,Chen, Xinghan.,Fan, Wenguang.,Zhan, Minzhi.,Mu, Xulin.,...&Pan, Feng.(2024).High-Entropy Rock-Salt Surface Layer Stabilizes the Ultrahigh-Ni Single-Crystal Cathode.ACS NANO,18(49),33706-33717. |
| MLA | Xu, Zhongxing,et al."High-Entropy Rock-Salt Surface Layer Stabilizes the Ultrahigh-Ni Single-Crystal Cathode".ACS NANO 18.49(2024):33706-33717. |
入库方式： OAI收割
来源：金属研究所
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