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Boron-doped alpha-Ni(OH)(2) nanoflowers with high specific surface area as electrochemical capacitor materials
Yang, Jing-He1,2; Wang, Chao2; Yang, Duo3; Li, Xingyun4; Shang, Peng1; Li, Yamin1; Ma, Ding2
关键词Nanoparticles Nanocomposites Porous Materials Thin Films
刊名MATERIALS LETTERS
2014-08-01
DOI10.1016/j.matlet.2014.04.170
128页:380-383
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
类目[WOS]Materials Science, Multidisciplinary ; Physics, Applied
研究领域[WOS]Materials Science ; Physics
关键词[WOS]NICKEL-HYDROXIDE ; PRECIPITATION ; FILMS
英文摘要The boron-doped alpha-Ni(OH)(2) nanoflowers (B-alpha-Ni(OH)(2)) with high specific surface area (400 m(2) g(-1)) were synthesized by the one pot liquid-phase method using P123 (EO20PO70EO20) as template and NaBH4 as alkali and boron sources. The size of the B-alpha-Ni(OH)(2) nanoflowers is about 300 nm and there are many porous. The 50 nm nanoplates are the basic structure units of nanoflowers and thickness of the nanosheets is approximately 5 nm. The content of B is about 15% among the Ni, B, O elements and boron exists mainly in the form of BO2-, which was confirmed by XPS characterization. B-alpha-Ni(OH)(2) nanoflowers exhibit a high specific capacitance of similar to 2296 F g(-1) at a charge and discharge current density of 3 A g(-1) with excellent cycling ability. The high specific capacitance and remarkable rate capability are promising for applications of B-alpha-Ni(OH)(2) nanostructures as advanced electrochemical capacitor materials with both high energy and cycling ability. (C) 2014 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000337876000098
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/145455
专题中国科学院大连化学物理研究所
作者单位1.Henan Univ, Coll Chem & Chem Engn, Kaifeng 475004, Henan, Peoples R China
2.Peking Univ, Coll Chem & Mol Engn, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China
3.Henan Normal Univ, Fac Sci, Xinxiang 453007, Henan, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Yang, Jing-He,Wang, Chao,Yang, Duo,et al. Boron-doped alpha-Ni(OH)(2) nanoflowers with high specific surface area as electrochemical capacitor materials[J]. MATERIALS LETTERS,2014,128:380-383.
APA Yang, Jing-He.,Wang, Chao.,Yang, Duo.,Li, Xingyun.,Shang, Peng.,...&Ma, Ding.(2014).Boron-doped alpha-Ni(OH)(2) nanoflowers with high specific surface area as electrochemical capacitor materials.MATERIALS LETTERS,128,380-383.
MLA Yang, Jing-He,et al."Boron-doped alpha-Ni(OH)(2) nanoflowers with high specific surface area as electrochemical capacitor materials".MATERIALS LETTERS 128(2014):380-383.
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