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Construction of stable SEI film on Si@C high-loading electrodes by dimethoxydimethylsilane electrolyte additives
Wang, Enyang1; Liu, Yanxia1,2; Dong, Jiayu1; Zhang, Lan2; Liu, Jingbo1; Qin, Panpan1; Liu, Fan1
2022-01-28
Source PublicationIONICS
ISSN0947-7047
Pages10
AbstractSilicon (Si), with its high capacity and abundant resources, presents a huge application prospect for high-energy density lithium ion batteries. Unfortunately, continuous interface reactions induced by huge volumetric changes limit its wide application. Herein, we employ dimethoxydimethylsilane (DMDOS) as an additive to enhance the electrochemical performances in LiNi0.8Co0.15Al0.05O2(NCA)/Si@C pouch cell with high-loading electrodes. DMDOS can be decomposed preferentially and then create a dense layer of Si-O-Si cross-polymerized network on the electrode surface, mitigating continuous interface reactions of the electrolyte during long-term cycling. As a consequence, the pouch battery with 1% DMDOS renders an outstanding capacity retention of 85.5% over 100 cycles, whereas the pouch battery without DMDOS only shows a low capacity retention of 77.7%. Hence, DMDOS is an effective additive candidate for the development of high-energy density lithium ion batteries.
KeywordDimethoxydimethylsilane (DMDOS) Electrolyte additives SEI film Thick electrodes Li-ion battery
DOI10.1007/s11581-021-04409-y
Language英语
WOS KeywordELECTROCHEMICAL PERFORMANCE ; LI-ION ; ANODE MATERIALS ; LITHIUM ; SILICON ; QUANTIFICATION ; INTERPHASE ; STABILITY ; SILANE
Funding ProjectNational Key Research and Development Program of China[2016YFB0100303] ; Key Science and Technology Special Project of Henan[202102210106] ; Zhengzhou Major Science and Technology Projects[2019CXZX0074]
WOS Research AreaChemistry ; Electrochemistry ; Physics
WOS SubjectChemistry, Physical ; Electrochemistry ; Physics, Condensed Matter
Funding OrganizationNational Key Research and Development Program of China ; Key Science and Technology Special Project of Henan ; Zhengzhou Major Science and Technology Projects
WOS IDWOS:000749232100003
PublisherSPRINGER HEIDELBERG
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/51829
Collection中国科学院过程工程研究所
Corresponding AuthorLiu, Yanxia
Affiliation1.Zhengzhou Inst Emerging Ind Technol, Henan Key Lab Energy Storage Mat & Proc, Zhengzhou 450003, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, CAS Key Lab Green Proc & Engn,State Key Lab Multi, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Enyang,Liu, Yanxia,Dong, Jiayu,et al. Construction of stable SEI film on Si@C high-loading electrodes by dimethoxydimethylsilane electrolyte additives[J]. IONICS,2022:10.
APA Wang, Enyang.,Liu, Yanxia.,Dong, Jiayu.,Zhang, Lan.,Liu, Jingbo.,...&Liu, Fan.(2022).Construction of stable SEI film on Si@C high-loading electrodes by dimethoxydimethylsilane electrolyte additives.IONICS,10.
MLA Wang, Enyang,et al."Construction of stable SEI film on Si@C high-loading electrodes by dimethoxydimethylsilane electrolyte additives".IONICS (2022):10.
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