Unlocking the energy capabilities of micron-sized LiFePO4

	Unlocking the energy capabilities of micron-sized LiFePO4
	Guo,Limin; Zhang,Yelong; Wang,Jiawei; Ma,Lipo; Ma,Shunchao; Zhang,Yantao; Wang,Erkang; Bi,Yujing; Wang,Deyu; McKee,William C.
刊名	nature communications
	2015
卷号	6 页码:7898
关键词	LITHIUM-ION BATTERIES CARBON-COATED LIFEPO4 SOLID-STATE SYNTHESIS ELECTRODE MATERIALS CATHODE MATERIALS CONDUCTING POLYMER PHOSPHO-OLIVINES LI-O-2 BATTERY NANOPARTICLES FILMS
通讯作者	wang,ek
英文摘要	utilization of lifepo4 as a cathode material for li-ion batteries often requires size nanonization coupled with calcination-based carbon coating to improve its electrochemical performance, which, however, is usually at the expense of tap density and may be environmentally problematic. here we report the utilization of micron-sized lifepo4, which has a higher tap density than its nano-sized siblings, by forming a conducting polymer coating on its surface with a greener diazonium chemistry. specifically, micron-sized lifepo4 particles have been uniformly coated with a thin polyphenylene film via the spontaneous reaction between lifepo4 and an aromatic diazonium salt of benzenediazonium tetrafluoroborate. the coated micron-sized lifepo4, compared with its pristine counterpart, has shown improved electrical conductivity, high rate capability and excellent cyclability when used as a 'carbon additive free' cathode material for rechargeable li-ion batteries. the bonding mechanism of polyphenylene to lifepo4/fepo4 has been understood with density functional theory calculations.
收录类别	SCI
语种	英语
WOS记录号	WOS:000360344800002
内容类型	期刊论文
源URL	[http://ir.ciac.jl.cn/handle/322003/64547]
专题	长春应用化学研究所_长春应用化学研究所知识产出_期刊论文
推荐引用方式 GB/T 7714	Guo,Limin,Zhang,Yelong,Wang,Jiawei,et al. Unlocking the energy capabilities of micron-sized LiFePO4[J]. nature communications,2015,6:7898.
APA	Guo,Limin.,Zhang,Yelong.,Wang,Jiawei.,Ma,Lipo.,Ma,Shunchao.,...&McKee,William C..(2015).Unlocking the energy capabilities of micron-sized LiFePO4.nature communications,6,7898.
MLA	Guo,Limin,et al."Unlocking the energy capabilities of micron-sized LiFePO4".nature communications 6(2015):7898.