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Unlocking the dissolution mechanism of phosphorus anode for lithium-ion batteries
Liu, Cheng1; Han, Muyao1; Cao, Yu1; Chen, Long3; Ren, Wencai3; Zhou, Guangmin4,5; Chen, Aibing2; Sun, Jie1,6
Corresponding AuthorChen, Aibing(chen_ab@163.com) ; Sun, Jie(jies@tju.edu.cn)
2021-05-01
Source PublicationENERGY STORAGE MATERIALS
ISSN2405-8297
Volume37Pages:417-423
AbstractPhosphorus is a promising anode material for fast-charging in lithium-ion batteries because of the combined advantages of high theoretical mass and volume specific capacity as well as a relatively low, yet safe lithiation potential to avoid Li metal dendrite formation. Previous studies have shown that the properties of phosphorus are similar to silicon. Both of their electrochemical performance are limited by the huge volumetric expansion during lithiation process and low electronic conductivity, however, there is still unknown exact mechanism of phosphorus. Here, we report that its lithium storage behavior is similar to that of sulfur because they are both molecular crystals, in which the fracture of P-P bonds generates the small molecules of polyphosphides, which can combine with the solvent via strong interaction, leading to the dissolution and shuttle effect, leading to a series of critical problems like active phosphorus loss and counter electrode corrosion. It is one of the main reasons for capacity decay. To address this issue, we introduced LiF as an additive, which provides the chemical adsorption of polyphosphides to suppress the shuttle effect, enabling an excellent long-term cycling stability with the capacity retention of 91.1% after 500 cycle.
KeywordPhosphorus Polyphosphides Shuttle effect LiF
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Tianjin Science and Technology Project ; Hebei Province Innovation Ability Promotion Project
DOI10.1016/j.ensm.2021.02.030
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2019YFE0118800] ; National Natural Science Foundation of China[22005215] ; Tianjin Science and Technology Project[19YFSLQY00070] ; Hebei Province Innovation Ability Promotion Project[20544401D]
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000632780200004
PublisherELSEVIER
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161951
Collection中国科学院金属研究所
Corresponding AuthorChen, Aibing; Sun, Jie
Affiliation1.Tianjin Univ, Sch Chem Engn & Technol, Key Lab Green Chem Technol, Minist Educ, Tianjin 300072, Peoples R China
2.Hebei Univ Sci & Technol, Coll Chem & Pharmaceut Engn, 70 Yuhua Rd, Shijiazhuang 050018, Hebei, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
4.Tsinghua Univ, Shenzhen Geim Graphene Ctr, Tsinghua Berkeley Shenzhen Inst, Shenzhen 518055, Peoples R China
5.Tsinghua Univ, Tsinghua Shenzhen Int Grad Sch, Shenzhen 518055, Peoples R China
6.Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Liu, Cheng,Han, Muyao,Cao, Yu,et al. Unlocking the dissolution mechanism of phosphorus anode for lithium-ion batteries[J]. ENERGY STORAGE MATERIALS,2021,37:417-423.
APA Liu, Cheng.,Han, Muyao.,Cao, Yu.,Chen, Long.,Ren, Wencai.,...&Sun, Jie.(2021).Unlocking the dissolution mechanism of phosphorus anode for lithium-ion batteries.ENERGY STORAGE MATERIALS,37,417-423.
MLA Liu, Cheng,et al."Unlocking the dissolution mechanism of phosphorus anode for lithium-ion batteries".ENERGY STORAGE MATERIALS 37(2021):417-423.
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