Flame-Retardant Electrolyte Solution for Dual-Ion Batteries
Source abstract
Abstract
The flammability of organic electrolyte solutions has a safety risk during the large-scale application of energy storage devices. Therefore, it is essential to suppress the flammability of organic electrolyte solutions. In this article, the flame-retardant electrolyte solution of 3 M LiPF6-ethyl methyl carbonate (EMC)/trimethyl phosphate (TMP) (7:3 by vol) has been applied in a Li/graphite dual-ion battery. Both the initial-cycle discharge capacity (almost 100 mAh g–1) and capacity retention rate (92.3% after 450 cycles) surpass those for the battery using 1 M LiPF6-EMC. Besides, the burning times of the above electrolyte solutions are 6 and 66 s, respectively. Conventional electrochemical tests, ex situ X-ray diffraction, and nuclear magnetic resonance have been carried out to explore the influences of TMP on PF6– in EMC/TMP mixed solvents.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced Battery Technologies Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China
School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, China
Funding
National Natural Science Foundation of China · Doctoral Scientific Research Foundation, Hunan University of Science and Technology
References (47)
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