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Feng Y, Wang Z, Deng D, Yan G, Guo H, Li X, Peng W, Duan H, Wang J. Ni-Rich Layered Oxide Cathodes/Sulfide Electrolyte Interface in Solid-State Lithium Battery. ACS APPLIED MATERIALS & INTERFACES 2024; 16:37363-37378. [PMID: 38981045 DOI: 10.1021/acsami.4c05609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
Because of the high specific capacity and low cost, Ni-rich layered oxide (NRLO) cathodes are one of the most promising cathode candidates for the next high-energy-density lithium-ion batteries. However, they face structure and interface instability challenges, especially the battery safety risk caused by using an intrinsic flammable organic liquid electrolyte. In this regard, a solid electrolyte with high safety is of great significance to promote the development of energy storage. Among them, sulfide electrolytes are considered to be the most potential substitutes for liquid electrolytes because of their high ionic conductivity and good processing properties. Nevertheless, the interfacial incompatibility between the sulfide electrolyte and NRLO cathode is the critical challenge for high-performance sulfide all-solid-state lithium batteries (ASSLBs). In this review, we summarize the problems of the Ni-rich cathode/sulfide solid electrolyte interface and the strategies to improve the interface stability. On the basis of these insights, we highlight the scientific problems and technological challenges that need to be resolved urgently and propose several potential directions to further improve the interface stability. The objective of this study is to provide a comprehensive understanding and insightful recommendations for the enhancement of the sulfide ASSLBs with NRLO cathode.
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Affiliation(s)
- Yiman Feng
- School of Metallurgy and Environment and Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China
- Key Laboratory of Value-added Metallurgy of Hunan Province, Central South University, Changsha, 410083 Hunan, P. R. China
- National Engineering Research Centre of Advanced Energy Storage Materials, Changsha 410205, P. R. China
| | - Zhixing Wang
- School of Metallurgy and Environment and Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China
- Key Laboratory of Value-added Metallurgy of Hunan Province, Central South University, Changsha, 410083 Hunan, P. R. China
- National Engineering Research Centre of Advanced Energy Storage Materials, Changsha 410205, P. R. China
| | - Duo Deng
- BASF ShanShan Battery Material Co., LTD, Changsha 410205, P. R. China
| | - Guochun Yan
- School of Metallurgy and Environment and Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China
- Key Laboratory of Value-added Metallurgy of Hunan Province, Central South University, Changsha, 410083 Hunan, P. R. China
- National Engineering Research Centre of Advanced Energy Storage Materials, Changsha 410205, P. R. China
| | - Huajun Guo
- School of Metallurgy and Environment and Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China
- Key Laboratory of Value-added Metallurgy of Hunan Province, Central South University, Changsha, 410083 Hunan, P. R. China
- National Engineering Research Centre of Advanced Energy Storage Materials, Changsha 410205, P. R. China
| | - Xinhai Li
- School of Metallurgy and Environment and Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China
- Key Laboratory of Value-added Metallurgy of Hunan Province, Central South University, Changsha, 410083 Hunan, P. R. China
- National Engineering Research Centre of Advanced Energy Storage Materials, Changsha 410205, P. R. China
| | - Wenjie Peng
- School of Metallurgy and Environment and Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China
- Key Laboratory of Value-added Metallurgy of Hunan Province, Central South University, Changsha, 410083 Hunan, P. R. China
- National Engineering Research Centre of Advanced Energy Storage Materials, Changsha 410205, P. R. China
| | - Hui Duan
- School of Metallurgy and Environment and Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China
- Key Laboratory of Value-added Metallurgy of Hunan Province, Central South University, Changsha, 410083 Hunan, P. R. China
- National Engineering Research Centre of Advanced Energy Storage Materials, Changsha 410205, P. R. China
| | - Jiexi Wang
- School of Metallurgy and Environment and Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha 410083, P. R. China
- Key Laboratory of Value-added Metallurgy of Hunan Province, Central South University, Changsha, 410083 Hunan, P. R. China
- National Engineering Research Centre of Advanced Energy Storage Materials, Changsha 410205, P. R. China
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Yan M, Xu K, Chang YX, Xie ZY, Xu S. Cu/Ti co-doping boosting P2-type Fe/Mn-based layered oxide cathodes for high-performance sodium storage. J Colloid Interface Sci 2023; 651:696-704. [PMID: 37562311 DOI: 10.1016/j.jcis.2023.07.195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 07/04/2023] [Accepted: 07/29/2023] [Indexed: 08/12/2023]
Abstract
Environmentally friendly P2-type layered iron manganese oxides appear to be one of the most potential cathode materials for sodium-ion batteries (SIBs). However, their practical application is hindered by the unfavorable phase transitions, dissolution of transition metals, and poor air stability. One effective strategy by either single-cation doping or high-cost Li involved co-doping is used to alleviate the problems. Here, low-cost Cu/Ti co-doping is introduced to boost P2-Na0.7Cu0.2Fe0.2Mn0.5Ti0.1O2 as an air and electrochemical stable cathode material for SIBs. The resulting electrode delivers an initial capacity of 130 mAh g-1 at 0.1C within 2.0-4.2 V, a reversible discharge capacity of 61.0 mAh g-1 at a high rate of 5C and a capacity retention ratio exceeding 71.1% after 300 cycles. In particular, the co-doped crystal structure is well-maintained after 1 month of exposure to air, and even 3 days of soaking in water. Furthermore, the enhancement is elucidated by the effectively mitigated P2-Z and the completely suppressed P2-P'2 phase transitions, the decreased volume variation proved by in-situ X-ray diffraction (XRD), as well as the lowered transition-metal dissolution evidenced by inductively coupled plasma optical emission spectrometer (ICP-OES) and X-ray photoelectron spectroscopy (XPS). The low-lost Cu/Ti doping strategy could thus be effective for designing and preparing environmentally friendly and high-performance cathode materials for SIBs.
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Affiliation(s)
- Mengmeng Yan
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Kang Xu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yu-Xin Chang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zhi-Yu Xie
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Sailong Xu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
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