NIMTE OpenIR  > 2018专题
Revisiting the open-framework zinc hexacyanoferrate: The role of ternary electrolyte and sodium-ion intercalation mechanism
Niu, Lei; Chen, Liang; Zhang, Jun; Jiang, Ping; Liu, Zhaoping
2018
Source PublicationJOURNAL OF POWER SOURCES
Volume380Pages:135-141
AbstractNon-flammable rechargeable aqueous sodium-ion batteries (RASB) made from natural abundant resources offer promising opportunities in large-scale energy storage, yet the low energy density as well as low voltage output and the limited cycle life hinder their practical applications. Here, we develop a high-voltage RASB based on rhombohedral zinc hexacyanoferrate as cathode materials, carbon-coated NaTi2(PO4)(3) as anode materials and ternary NaClO4-H2O-polyethylene glycol (Na-H2O-PEG) as electrolyte to overcome these drawbacks. Such an RASB can deliver a high voltage output of 1.6 V with a specific energy density of 59 Wh kg(-1) based on the total mass of active electrode materials. In addition, it possesses an excellent rate capability as an ultra-capacitor (2.7 kW kg(-1)). The capacity retention more than 91% is obtained after 100 cycles. Finally, a reversible phase transformation between rhombohedral Zn-3[Fe(CN)(6)](2) and rhombohedral Na2Zn3[Fe(CN)(6)](2) that are accompanied by the insertion/extraction of sodium ion in zinc hexacyanoferrate is unveiled.
KeywordIn-salt Electrolyte Aqueous Sodium High-voltage Polymer Electrolytes Prussian Blue Batteries Energy Anode Conductivity Performance
Subject AreaChemistry ; Electrochemistry ; Energy & Fuels ; Materials Science
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/16756
Collection2018专题
Recommended Citation
GB/T 7714
Niu, Lei,Chen, Liang,Zhang, Jun,et al. Revisiting the open-framework zinc hexacyanoferrate: The role of ternary electrolyte and sodium-ion intercalation mechanism[J]. JOURNAL OF POWER SOURCES,2018,380:135-141.
APA Niu, Lei,Chen, Liang,Zhang, Jun,Jiang, Ping,&Liu, Zhaoping.(2018).Revisiting the open-framework zinc hexacyanoferrate: The role of ternary electrolyte and sodium-ion intercalation mechanism.JOURNAL OF POWER SOURCES,380,135-141.
MLA Niu, Lei,et al."Revisiting the open-framework zinc hexacyanoferrate: The role of ternary electrolyte and sodium-ion intercalation mechanism".JOURNAL OF POWER SOURCES 380(2018):135-141.
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