A facile method to improve the high rate capability of Co3O4 nanowire array electrodes
被引:167
作者:
Cheng, Hua
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City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
Cent S Univ, Sch Chem & Chem Engn, Changsha 410083, Hunan, Peoples R ChinaCity Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
Cheng, Hua
[1
,2
]
Lu, Zhou Guang
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City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
Cent S Univ, Sch Chem & Chem Engn, Changsha 410083, Hunan, Peoples R ChinaCity Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
Lu, Zhou Guang
[1
,2
]
Deng, Jian Qiu
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City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R ChinaCity Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
Deng, Jian Qiu
[1
]
Chung, C. Y.
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City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R ChinaCity Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
Chung, C. Y.
[1
]
Zhang, Kaili
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City Univ Hong Kong, Dept Mfg Engn & Engn Management, Hong Kong, Hong Kong, Peoples R ChinaCity Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
Zhang, Kaili
[3
]
Li, Yang Yang
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City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R ChinaCity Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
Li, Yang Yang
[1
]
机构:
[1] City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
[2] Cent S Univ, Sch Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
[3] City Univ Hong Kong, Dept Mfg Engn & Engn Management, Hong Kong, Hong Kong, Peoples R China
The capability of fast charge and fast discharge is highly desirable for the electrode materials used in supercapacitors and lithium ion batteries. In this article, we report a simple strategy to considerably improve the high rate capability of Co3O4 nanowire array electrodes by uniformly loading Ag nanoparticles onto the surfaces of the Co3O4 nanowires via the silver-mirror reaction. The highly electrically conductive silver nanoparticles function as a network for the facile transport of electrons between the current collectors (Ti substrates) and the Co3O4 active materials. High capacity as well as remarkable rate capability has been achieved through this simple approach. Such novel Co3O4-Ag composite nanowire array electrodes have great potential for practical applications in pseudo-type supercapacitors as well as in lithium ion batteries.
机构:
Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USALawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA
Chen, GY
;
Song, XY
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Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USALawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA
Song, XY
;
Richardson, TJ
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机构:
Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USALawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA
机构:
Nankai Univ, Coll Chem, Minist Educ, Inst New Catalyt Mat Sci,Key Lab Adv Energy Mat C, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Chem, Minist Educ, Inst New Catalyt Mat Sci,Key Lab Adv Energy Mat C, Tianjin 300071, Peoples R China
Guo, Bing
;
Li, Chunsheng
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Nankai Univ, Coll Chem, Minist Educ, Inst New Catalyt Mat Chem,Key Lab Adv Energy Mat, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Chem, Minist Educ, Inst New Catalyt Mat Sci,Key Lab Adv Energy Mat C, Tianjin 300071, Peoples R China
Li, Chunsheng
;
Yuan, Zhong-Yong
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Nankai Univ, Coll Chem, Minist Educ, Inst New Catalyt Mat Sci,Key Lab Adv Energy Mat C, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Chem, Minist Educ, Inst New Catalyt Mat Sci,Key Lab Adv Energy Mat C, Tianjin 300071, Peoples R China
机构:
Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USALawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA
Chen, GY
;
Song, XY
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USALawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA
Song, XY
;
Richardson, TJ
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USALawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA
机构:
Nankai Univ, Coll Chem, Minist Educ, Inst New Catalyt Mat Sci,Key Lab Adv Energy Mat C, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Chem, Minist Educ, Inst New Catalyt Mat Sci,Key Lab Adv Energy Mat C, Tianjin 300071, Peoples R China
Guo, Bing
;
Li, Chunsheng
论文数: 0引用数: 0
h-index: 0
机构:
Nankai Univ, Coll Chem, Minist Educ, Inst New Catalyt Mat Chem,Key Lab Adv Energy Mat, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Chem, Minist Educ, Inst New Catalyt Mat Sci,Key Lab Adv Energy Mat C, Tianjin 300071, Peoples R China
Li, Chunsheng
;
Yuan, Zhong-Yong
论文数: 0引用数: 0
h-index: 0
机构:
Nankai Univ, Coll Chem, Minist Educ, Inst New Catalyt Mat Sci,Key Lab Adv Energy Mat C, Tianjin 300071, Peoples R ChinaNankai Univ, Coll Chem, Minist Educ, Inst New Catalyt Mat Sci,Key Lab Adv Energy Mat C, Tianjin 300071, Peoples R China