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题名: Facile synthesis of spinel LiNi0.5Mn1.5O4 cathode materials using M-2(OH)(2)(C8H4O4)-class metal-organic frameworks
作者: Yang, Shifeng1, 2;  Ren, Wenfeng1;  Chen, Jian1
关键词: Cathode materials ;  LiNi0.5Mn1.5O4 ;  Metal-organic frameworks ;  PTA
刊名: IONICS
发表日期: 2017-11-01
DOI: 10.1007/s11581-017-2102-1
卷: 23, 期:11, 页:2969-2980
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Electrochemistry ;  Physics, Condensed Matter
研究领域[WOS]: Chemistry ;  Electrochemistry ;  Physics
英文摘要: Various synthesis methods have been developed to synthesize mixed metal oxide cathode materials, whereas the scale-up production is hindered by issues of complicated processes, high cost, and inhomogeneity of the prepared materials. Herein, a facile, low-cost, and scalable synthesis route using M-2(OH)(2)(C8H4O4)-class metal-organic frameworks (PTA-based MOFs) as precursors has been explored to synthesize LiNi0.5Mn1.5O4 materials with homogeneity and high crystallinity. Bimetallic PTA-based MOFs were first prepared by the reaction of metal acetates and PTA in the aqueous solution at room temperature. After thermal treatment of PTA-based MOFs, bimetal oxides (Ni-Mn-O) with the inherited morphology of porous nanoplates consisting of 20-30-nm nanoparticles were obtained. The LiNi0.5Mn1.5O4 materials prepared by calcination of Ni-Mn-O with lithium salts exhibit excellent rate capability and cycling performance, delivering a specific capacity of 115.9 mAh g(-1) at 20 C and retaining 83.8% after 500 cycles. This work opens a new way for fabrication of PTA-based MOFs and mixed metal oxides as cathode materials for lithium-ion batteries.
关键词[WOS]: LITHIUM-ION BATTERIES ;  LONG-CYCLE-LIFE ;  HIGH-POWER ;  ELECTROCHEMICAL PERFORMANCES ;  SURFACE MODIFICATION ;  ELECTRODE MATERIAL ;  CAPACITY ;  SUPERCAPACITORS ;  NANOSTRUCTURES ;  LIMN1.5NI0.5O4
语种: 英语
WOS记录号: WOS:000414026000003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/149675
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Adv Rechargeable Battery Lab, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Yang, Shifeng,Ren, Wenfeng,Chen, Jian. Facile synthesis of spinel LiNi0.5Mn1.5O4 cathode materials using M-2(OH)(2)(C8H4O4)-class metal-organic frameworks[J]. IONICS,2017,23(11):2969-2980.
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