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Elucidating the Performance Limitations of Lithium-ion Batteries due to Species and Charge Transport through Five Characteristic Parameters
Jiang, Fangming; Peng, Peng
2016-09-07
Source PublicationSCIENTIFIC REPORTS
Volume6
AbstractUnderutilization due to performance limitations imposed by species and charge transports is one of the key issues that persist with various lithium-ion batteries. To elucidate the relevant mechanisms, two groups of characteristic parameters were proposed. The first group contains three characteristic time parameters, namely: (1) t(e), which characterizes the Li-ion transport rate in the electrolyte phase, (2) t(s), characterizing the lithium diffusion rate in the solid active materials, and (3) t(c), describing the local Li-ion depletion rate in electrolyte phase at the electrolyte/electrode interface due to electrochemical reactions. The second group contains two electric resistance parameters: R-e and R-s, which represent respectively, the equivalent ionic transport resistance and the effective electronic transport resistance in the electrode. Electrochemical modeling and simulations to the discharge process of LiCoO2 cells reveal that: (1) if te, ts and tc are on the same order of magnitude, the species transports may not cause any performance limitations to the battery; (2) the underlying mechanisms of performance limitations due to thick electrode, high-rate operation, and large-sized active material particles as well as effects of charge transports are revealed. The findings may be used as quantitative guidelines in the development and design of more advanced Li-ion batteries.
SubtypeArticle
WOS HeadingsScience & Technology
DOI10.1038/srep32639
WOS Subject ExtendedScience & Technology - Other Topics
WOS KeywordPARTICLE-SIZE ; ELECTROCHEMICAL PERFORMANCES ; POLYMER ELECTROLYTES ; LIMN2O4 ELECTRODE ; CATHODE MATERIALS ; INSERTION CELL ; RAPID CHARGE ; DISCHARGE ; CAPACITY ; OPTIMIZATION
Indexed BySCI
Language英语
Funding OrganizationKey Scientific Development Project of Guangdong Province(2015A030308019) ; Guangzhou Scientific and Technological Development Plan(2014J4100217) ; Guangdong Key Laboratory of New and Renewable Energy Research and Development Fund(Y607jg1001) ; CAS "100 talents" Program
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000382605600001
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Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11902
Collection中国科学院广州能源研究所
AffiliationChinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Lab Adv Energy Systems,Guangdong Key Lab New & Re, Guangzhou 510640, Guangdong, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Jiang, Fangming,Peng, Peng. Elucidating the Performance Limitations of Lithium-ion Batteries due to Species and Charge Transport through Five Characteristic Parameters[J]. SCIENTIFIC REPORTS,2016,6.
APA Jiang, Fangming,&Peng, Peng.(2016).Elucidating the Performance Limitations of Lithium-ion Batteries due to Species and Charge Transport through Five Characteristic Parameters.SCIENTIFIC REPORTS,6.
MLA Jiang, Fangming,et al."Elucidating the Performance Limitations of Lithium-ion Batteries due to Species and Charge Transport through Five Characteristic Parameters".SCIENTIFIC REPORTS 6(2016).
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