材料期刊网

电沉积制备的两种形貌Sn薄膜锂离子嵌入电极性能的比较

李昌明 , 黄启明 , 张仁元 , 李伟善 , 赵灵智 , 胡社军

金属学报

用电沉积方法直接在铜集流体上分别制备出锂离子电池负极材料锡薄膜电极和锡颗粒电极。用X射线衍射、扫描电镜、循环伏安及充放电实验研究比较了二电极的性能。结果表明，在氟硼酸盐溶液中使用以醛类为主的复合添加剂，在静止条件下制得锡薄膜电极，搅拌条件下制得锡颗粒电极；锡薄膜电极比锡颗粒电极具有较优的初始嵌锂容量...

关键词: 电沉积 , Tin , Lithium ion battery , Anode materials

Study of lithium storage properties of the Sn-Ni alloys prepared by magnetic sputtering technology

Xianhua HOU

金属学报(英文版)

Nano-level Sn-Ni alloy thin-film electrode materials prepared by magnetic sputtering technology are characterized with X-ray diffraction (XRD), atom force microscopy (AFM) and scanning electron microscopy (SEM). The charge/discharge and cyclic voltammograms (CV) of the films electrodes are tested by...

关键词: Lithium ion battery , Sn-Ni 合金 , 电化学性能 lithium ion battery , Sn-Ni alloy , electrochemical property

A Novel Method to Improve the Electrochemical Performance of LiMn₂O₄ Cathode Active Material by CaCO₃ Surface Coating

Halil Sahan

材料科学技术（英文）

Spinel LiMn₂O₄ was synthesized by glycine-nitrate method and coated with CaCO₃ in order to enhance the electrochemical performance at room temperature (25°C) and 55°C. The uncoated and CaCO₃-coated LiMn₂O₄ materials were characterized...

关键词: LiMn₂O₄

A Novel Method to Improve the Electrochemical Performance of LiMn₂O₄ Cathode Active Material by CaCO₃ Surface Coating

Halil Sahan

材料科学技术（英文）

Spinel LiMn₂O₄ was synthesized by glycine-nitrate method and coated with CaCO₃ in order to enhance the electrochemical performance at room temperature (25°C) and 55°C. The uncoated and CaCO₃-coated LiMn₂O₄ materials were characterized...

关键词: LiMn₂O₄

正极集流体为碳纳米管宏观膜的锂离子电池及其性能

钟盛文 , 胡经纬 , 吴子平 , 梅文捷

新型炭材料

采用超轻的碳纳米管(Carbon nanotubes, CNTs)宏观膜替代传统的金属铝集流体,替换后的锂离子电池以 LiCoO2为活性物质,在1 C 条件下电池首次放电比容量为132.8 mAh·g-1,500次循环后容量保持率高于80%；当正极材料层面密度为16 mg·cm-2时,LiCoO2-...

关键词: 碳纳米管 , 锂离子电池 , 集流体 , 能量密度

Synthesis and characterization of Li4Ti5O12 via a hydrolysis process from TiCl4 aqueous solution

Xuan-Yu Wang , Yun-Jiao Li , Cang Xu , Long Kong , Lin Li

稀有金属 doi:10.1007/s12598-013-0095-0

关键词:

Crystallinity dependence of electrochemical properties for LiFePO4

Ting Zhao , Xiang-Jun Zhang , Xiang Li , Shi-Gang Lu

稀有金属 doi:10.1007/s12598-013-0186-y

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Study of lithium storage properties of the Sn-Ni alloys prepared by magnetic sputtering technology

金属学报(英文版)

关键词:

原位生长纳米炭纤维/硅复合材料及其储锂性能

刘鸿鹏 , 乔文明 , 詹亮 , 凌立成

新型炭材料 doi:10.1016/S1872-5805(08)60042-6

采用催化化学气相沉积法在微米硅颗粒表面原位生长纳米炭纤维得到纳米炭纤维/硅复合材料.利用SEM,TEM和XRD表征了复合材料的表面形态和微观结构,并考察了其作为锂离子电池负极材料的循环性能.电化学测试表明:与纳米纤维/硅机械混合物相比,原位生长纳米炭纤维/硅复合材料具有更高的可逆容量(1042mAh...

关键词: 锂离子电池 , 负极材料 , 纳米炭纤维 , 硅

A Novel Ion-exchange Method for the Synthesis of Nano-SnO/micro-C Hybrid Structure as High Capacity Anode Material in Lithium Ion Batteries

材料科学技术（英文）

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