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Metal Phosphides Embedded with In Situ-Formed Metal Phosphate Impurities as Buffer Materials for High-Performance Potassium-Ion Batteries
Ji, Shunping1; Song, Chunyan2; Li, Junfeng1; Hui, Kwan San3; Deng, Wenjun4; Wang, Shuo1; Li, Haifeng1; Dinh, Duc Anh5; Fan, Xi6; Wu, Shuxing7; Zhang, Jintao8; Chen, Fuming9; Shao, Zongping10,11; Hui, Kwun Nam1
2021
Source PublicationAdvanced Energy Materials
ISSN1614-6832
Volume11Issue:40
Abstract

As anodes for metal-ion batteries, metal phosphides usually suffer from severe capacity degradation because of their huge volume expansion and unstable solid electrolyte interphase (SEI), especially for potassium-ion batteries (PIBs). To address these issues, this study proposes amorphous phosphates acting as buffer materials. Ten types of metal phosphide composites embedded with in situ-formed amorphous phosphates are prepared by one-step ball milling using red phosphorus (RP) and the corresponding metal oxides (MOs) as starting materials. A zinc phosphide composite is selected for further study as a PIB anode. Benefitting from the effective suppression of volume variation, a KF-rich SEI is formed on the electrode surface in the KFSI-based electrolyte. The zinc phosphide composite exhibits a high reversible specific capacity and outstanding long-term cycling stability (476 mAh g over 350 cycles at 0.1 A g after going through a rate capability test and 177 mAh g after 6000 cycles at 1.0 A g) and thus achieves the best cycling performance among all reported metal phosphide-based anodes for PIBs. This study highlights a low-cost and effective strategy to guide the development of metal phosphides as high-performance anodes for PIBs.

KeywordAmorphous Phosphates Buffer Volume Expansion Metal Phosphide Anodes Pibs Sei
DOI10.1002/aenm.202101413
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000695818200001
Scopus ID2-s2.0-85114894415
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Citation statistics
Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorHui, Kwun Nam
Affiliation1.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macao
2.Analysis and Testing Center, Shenzhen Technology University, Shenzhen, 518118, China
3.School of Engineering, Faculty of Science, University of East Anglia, Norwich, NR4 7TJ, United Kingdom
4.School of Advanced Materials, Peking University Shenzhen Graduate School, Shenzhen, 518055, China
5.NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City, 700000, Viet Nam
6.Ningbo Institute of Materials Technology, Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
7.School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China
8.Key Laboratory for Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China
9.State Key Laboratory of Optic Information Physics and Technologies, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou, 510006, China
10.State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, China
11.WA School of Mines: Minerals, Energy and Chemical Engineering (WASM-MECE), Curtin University, Perth, 6102, Australia
First Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Ji, Shunping,Song, Chunyan,Li, Junfeng,et al. Metal Phosphides Embedded with In Situ-Formed Metal Phosphate Impurities as Buffer Materials for High-Performance Potassium-Ion Batteries[J]. Advanced Energy Materials,2021,11(40).
APA Ji, Shunping,Song, Chunyan,Li, Junfeng,Hui, Kwan San,Deng, Wenjun,Wang, Shuo,Li, Haifeng,Dinh, Duc Anh,Fan, Xi,Wu, Shuxing,Zhang, Jintao,Chen, Fuming,Shao, Zongping,&Hui, Kwun Nam.(2021).Metal Phosphides Embedded with In Situ-Formed Metal Phosphate Impurities as Buffer Materials for High-Performance Potassium-Ion Batteries.Advanced Energy Materials,11(40).
MLA Ji, Shunping,et al."Metal Phosphides Embedded with In Situ-Formed Metal Phosphate Impurities as Buffer Materials for High-Performance Potassium-Ion Batteries".Advanced Energy Materials 11.40(2021).
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