NDLI: Highly enhanced low-temperature performances of LiFePO$_{4}$/C cathode materials prepared by polyol route for lithium-ion batteries

Content Provider	Springer Nature Link
Author	Li, Shaomin Liu, Xichuan Liu, Guobiao Wan, Yang Liu, Hao
Copyright Year	2016
Abstract	Although LiFePO$_{4}$/C has been successfully put into practical use in lithium-ion batteries equipped on new energy vehicles, its unsatisfactory low temperature results in poor low performance of lithium-ion batteries, leading to a much smaller continue voyage course at extreme environments with low temperature for electric vehicles. In this paper, the electrochemical performance of the LiFePO$_{4}$/C prepared by polyol route was investigated at a temperature range from 25 to −20 °C. Compared to commercial ones, as-prepared LiFePO$_{4}$/C shows a much better low-temperature performance with a reversible capacity of 30 mA h g$^{−1}$ even at 5 C under −20 °C and a capacity retention of 91.1 % after 100 cycles at 0.1 C under 0 °C. Moreover, high-resolution transmission electron microscopy (HRTEM) revealed that this outstanding performance at low temperatures could be assigned to uniform carbon coating and the nano-sized particles with a highly crystalline structure.
Starting Page	19
Ending Page	26
Page Count	8
File Format	PDF
ISSN	09477047
Journal	Ionics
Volume Number	23
Issue Number	1
e-ISSN	18620760
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-09-08
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Lithium-ion battery LiFePO$_{4}$/C Low-temperature performance Polyol route Electrochemistry Renewable and Green Energy Optical and Electronic Materials Condensed Matter Physics Energy Storage
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Engineering Materials Science Chemical Engineering

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