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Featured researches published by Zhan Liang.


Journal of Inorganic Materials | 2012

Synthesis of Nitrogen Doped Graphene through Microwave Irradiation

He Xing; Yang Junhe; Wang Can; Zhan Liang; Ling Licheng; Wang Yan-Li; Qiao Wenming

Graphite oxide was synthesized with Staudenmaier method using natural flake graphite as carbon source.After graphite oxide was impregnated into ammonium carbonate saturated solution,NH4+ intercalated graphite oxide was given.Rapid thermal exfoliation and reduction of NH4+ intercalated graphite oxide to graphene was achieved as well as the nitrogen-doping of graphene under the condition of microwave irradiation.SEM,TEM,EDS,XRD,XPS and Raman were performed to characterize the synthesized nitrogen-doping of graphene.The synthesized nitrogen-doped graphene was transparent and wrinkled with 2 5 graphite layers.The nitrogen content of as-prepared nitrogen-doped graphene was 1.56wt%,corresponding to pyridinc N,pyrrolic N and graphitic N incorporated into the graphitic network.


无机材料学报 | 2013

SnO 2 /石墨烯锂离子电池负极材料的制备及其电化学行为研究

Yu Zhen-Jun; Wang Yan-Li; Deng Hong-Gui; Zhan Liang; Yang Guangzhi; Yang Junhe; Ling Licheng

以氧化石墨和氯化亚锡为原料, 采用原位合成法制得SnO 2 /石墨烯纳米复合材料。该方法不需外加还原剂, 也避免了SnO 2 纳米粒子和石墨烯在机械混合过程中的团聚问题。XRD和TEM等的分析结果表明, 纳米SnO 2 颗粒都均匀地分散在石墨烯表面, 其中纳米SnO 2 的粒径和石墨烯的厚度分别为3~6 nm和1.5~2.0 nm。电化学测试结果表明: 在200 mA/g电流密度下循环100次后, SnO 2 /石墨烯负极材料的嵌锂容量可稳定在552 mAh/g, 容量保持率比单纯纳米SnO 2 提高了4.4倍; 在40、400、800 mA/g的电流密度下, SnO 2 /石墨烯负极材料的放电容量可分别保持在724.5、426.0、241.3 mAh/g, 表现出较好的倍率性能, 该结果归因于石墨烯良好的导电性及其二维纳米结构。以氧化石墨和氯化亚锡为原料, 采用原位合成法制得SnO 2 /石墨烯纳米复合材料。该方法不需外加还原剂, 也避免了SnO 2 纳米粒子和石墨烯在机械混合过程中的团聚问题。XRD和TEM等的分析结果表明, 纳米SnO 2 颗粒都均匀地分散在石墨烯表面, 其中纳米SnO 2 的粒径和石墨烯的厚度分别为3~6 nm和1.5~2.0 nm。电化学测试结果表明: 在200 mA/g电流密度下循环100次后, SnO 2 /石墨烯负极材料的嵌锂容量可稳定在552 mAh/g, 容量保持率比单纯纳米SnO 2 提高了4.4倍; 在40、400、800 mA/g的电流密度下, SnO 2 /石墨烯负极材料的放电容量可分别保持在724.5、426.0、241.3 mAh/g, 表现出较好的倍率性能, 该结果归因于石墨烯良好的导电性及其二维纳米结构。


无机材料学报 | 2012

以Fe 2 O 3 为原料通过水热–高温煅烧法合成LiFePO 4 /C纳米复合材料及其电化学性能研究

Deng Hong-Gui; Jin Shuang-Ling; He Xing; Zhan Liang; Qiao Wenming; Ling Licheng

采用三氧化二铁(Fe 2 O 3 )为铁源, 抗坏血酸作碳源, 通过在200℃下水热反应并经煅烧后合成出LiFePO 4 /C纳米复合材料. 抗坏血酸在水热反应体系中不但作为最终反应产物的碳源, 而且还起到了限制LiFePO 4 颗粒生长的作用. 抗坏血酸的用量对产物的形貌、结构、碳含量有重要影响, 进而影响产物的电化学性能. 当抗坏血酸用量为1 g时, 制得的LiFePO 4 /C纳米复合材料的粒径在220~280 nm. 该材料用作锂离子电池的正极材料时, 在0.1 C 的电流密度下循环500次后其放电容量仍保持159 mAh/g, 并且具有较好的倍率性能.采用三氧化二铁(Fe 2 O 3 )为铁源, 抗坏血酸作碳源, 通过在200℃下水热反应并经煅烧后合成出LiFePO 4 /C纳米复合材料. 抗坏血酸在水热反应体系中不但作为最终反应产物的碳源, 而且还起到了限制LiFePO 4 颗粒生长的作用. 抗坏血酸的用量对产物的形貌、结构、碳含量有重要影响, 进而影响产物的电化学性能. 当抗坏血酸用量为1 g时, 制得的LiFePO 4 /C纳米复合材料的粒径在220~280 nm. 该材料用作锂离子电池的正极材料时, 在0.1 C 的电流密度下循环500次后其放电容量仍保持159 mAh/g, 并且具有较好的倍率性能.LiFePO 4 nanoparticles coated with a carbon layer were synthesized by a hydrothermal reaction-calcination process, using Fe 2 O 3 as an iron source and ascorbic acid as carbon source. The amount of ascorbic acid have an effect on the structure, phase and carbon amount of the final product. With 1 g ascorbic acid used in the reaction, the particle sizes of synthesized LiFePO 4 /C nanocomposites are in a range of 220–280 nm. Using as the cathode materials for the lithium-ion batteries, the as-prepared material shows high capacity and good cycle stability (159 mAh/g at 0.1C over 500 cycles), as well as good rate capability.


无机材料学报 | 2012

TiO 2 /C纳米复合材料的制备及其电化学性能研究

Jin Shuang-Ling; Deng Hong-Gui; Zhan Liang; Zhao Yue; Qiao Wenming; Ling Licheng

以球状钛乙醇酸盐为TiO 2 前驱体, 葡萄糖作碳源, 通过水热法制得Φ(300~400) nm的TiO 2 /C复合纳米微球. 葡萄糖的浓度对产物的形貌、结构、碳含量有重要影响, 进而影响产物的电化学性能. 当碳含量为7wt%时, TiO 2 /C纳米复合材料的晶粒大小、BET比表面积、平均孔径分别为7.1 nm、157 m 2 /g和5.2 nm; 该材料用作锂离子电池负极材料时, 在0.2 C 的电流密度下循环80次后的嵌锂容量为160 mAh/g, 并且具有较好的倍率性能.以球状钛乙醇酸盐为TiO 2 前驱体, 葡萄糖作碳源, 通过水热法制得Φ(300~400) nm的TiO 2 /C复合纳米微球. 葡萄糖的浓度对产物的形貌、结构、碳含量有重要影响, 进而影响产物的电化学性能. 当碳含量为7wt%时, TiO 2 /C纳米复合材料的晶粒大小、BET比表面积、平均孔径分别为7.1 nm、157 m 2 /g和5.2 nm; 该材料用作锂离子电池负极材料时, 在0.2 C 的电流密度下循环80次后的嵌锂容量为160 mAh/g, 并且具有较好的倍率性能.


Archive | 2014

Preparing method of large-size low-heat-conductivity-coefficient high-strength foam carbon

Zhan Liang; Chen Ran; Xu Yao; Huo Yunxia; Xu Bing; Liu Xiang; He Ziguo; Wang Yanli


Archive | 2013

Preparation method of foam carbon/cordierite composite material

Zhan Liang; Huo Yunxia; Wang Yanli; Zhang Honggang; Xu Yao


Journal of Inorganic Materials | 2012

Synthesis of Graphene with Microwave Irradiation in Liquid Phase

Wang Can; Wang Yan-Li; Zhan Liang; Yang Guangzhi; Yang Junhe; Qiao Wenming; Ling Licheng


Archive | 2013

Synthetic method of spherical nitrogen-enriched micro-reticular resin for CO2 adsorption

Zhan Liang; Wang Yan-Li; Feng Junwei; Qiao Wenming; Ling Licheng


Carbon Techniques | 2010

Adsorption/desorption performance of CO_2 on pitch-based spherical activated carbon

Xie Fei; Wang Yan Li; Zhan Liang; Ge Ming; Liang Xiao-Yi; Qiao Wenming; Ling Li-cheng


Archive | 2003

Process for preparing carbonaceous hydrogen-storage material with high hydrogen adsorbing amount

Ling Licheng; Zhan Liang; Li Kaixi

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Ling Licheng

Chinese Academy of Sciences

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Qiao Wenming

Chinese Academy of Sciences

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Yang Junhe

Shanghai Institute of Technology

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He Xing

University of Shanghai for Science and Technology

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Yang Guangzhi

East China University of Science and Technology

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Ling Li-cheng

East China University of Science and Technology

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Meng Qinghan

Beijing University of Chemical Technology

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Wang Deng-Jun

East China University of Science and Technology

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Xie Fei

East China University of Science and Technology

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