CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Copper Phosphate as a Cathode Material for Rechargeable Li Batteries and Its Electrochemical Reaction Mechanism
Zhong, GM; Bai, JY; Duchesne, PN; McDonald, MJ; Li, Q; Hou, X; Tang, JA; Wang, Y; Zhao, WG; Gong, ZL; Zhang, P; Fu, RQ; Yang, Y; Yang, Y (reprint author), Xiamen Univ, Collaborat Innovat Ctr Chem Energy Mat, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Fujian, Peoples R China.
2015
Source PublicationCHEMISTRY OF MATERIALS
ISSN0897-4756
Volume27Issue:16Pages:5736—5744
Subtype期刊文献
AbstractIn the search for new cathode materials for rechargeable lithium batteries, conversion-type materials have great potential because of their ability to achieve high specific capacities via the full utilization of transition metal oxidation states. Here, we report for the first time that copper phosphate can be used as a novel high-capacity cathode for rechargeable Li batteries, capable of delivering a reversible capacity of 360 mAh/g with two discharge plateaus of 2.7 and 2.1 V at 400 mA/g. The underlying reaction involves the formation as well as the oxidation of metallic Cu. The solid-state NMR, in situ XAFS, HR-TEM, and XRD results clearly indicate that Cu can react with Li3PO4 to form copper phosphate and LixCuyPO4 during the charging process, largely determining the reversibility of Cu-3(PO4)(2). This new reaction scheme provides a new venue to explore polyanion-type compounds as high-capacity cathode materials with conversion reaction processes.
KeywordLithium-ion Batteries Solid-state Nmr X-ray-diffraction In-situ High-capacity Electrode Materials Fluoride Nanocomposites Iron Fluoride Spectroscopy Storage
Indexed BySCI
Language英语
WOS IDWOS:000360323700035
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24888
Collection中科院上海应用物理研究所2011-2020年
Corresponding AuthorYang, Y (reprint author), Xiamen Univ, Collaborat Innovat Ctr Chem Energy Mat, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Fujian, Peoples R China.
Recommended Citation
GB/T 7714
Zhong, GM,Bai, JY,Duchesne, PN,et al. Copper Phosphate as a Cathode Material for Rechargeable Li Batteries and Its Electrochemical Reaction Mechanism[J]. CHEMISTRY OF MATERIALS,2015,27(16):5736—5744.
APA Zhong, GM.,Bai, JY.,Duchesne, PN.,McDonald, MJ.,Li, Q.,...&Yang, Y .(2015).Copper Phosphate as a Cathode Material for Rechargeable Li Batteries and Its Electrochemical Reaction Mechanism.CHEMISTRY OF MATERIALS,27(16),5736—5744.
MLA Zhong, GM,et al."Copper Phosphate as a Cathode Material for Rechargeable Li Batteries and Its Electrochemical Reaction Mechanism".CHEMISTRY OF MATERIALS 27.16(2015):5736—5744.
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