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Start Over Author "Yang, Yusi" Journal chemical communications
4 results on '"Yang, Yusi"'

1. A non-topotactic redox reaction enabled K2V3O8 as a high voltage cathode material for potassium-ion batteries

Author

Liu Zhifeng, Xiaogang Niu, Lulu Tan, Leqing Deng, Zhiping Zhu, Yang Yusi, Yujie Zhu, Liang Zeng, and Mustafa M. S. Sanad

Subjects
Materials science, 010405 organic chemistry, Potassium, Metals and Alloys, chemistry.chemical_element, General Chemistry, 010402 general chemistry, 01 natural sciences, Redox, Catalysis, 0104 chemical sciences, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, chemistry, Chemical engineering, Cathode material, Materials Chemistry, Ceramics and Composites, Voltage range, Voltage
Abstract

When tested as the cathode material for potassium-ion batteries, K2V3O8 delivers a highly reversible capacity of over 100 mA h g−1 in the voltage range of 1.5–4.5 V with 73% capacity retained after 50 cycles. Charge–discharge is achieved by a nontopotactic process between K2V3O8 and KV3O8 (ΔV ∼ −23.4%), causing the slow capacity decay.

Published
2019

4. A non-topotactic redox reaction enabled K2V3O8 as a high voltage cathode material for potassium-ion batteries.

Author

Yang, Yusi, Liu, Zhifeng, Deng, Leqing, Tan, Lulu, Niu, Xiaogang, Sanad, Mustafa M. S., Zeng, Liang, Zhu, Zhiping, and Zhu, Yujie

Subjects
*HIGH voltages, *ELECTRIC batteries, *CATHODES, *MATERIALS testing, *LITHIUM cells, *OXIDATION-reduction reaction, *MATERIALS
Abstract

When tested as the cathode material for potassium-ion batteries, K2V3O8 delivers a highly reversible capacity of over 100 mA h g−1 in the voltage range of 1.5–4.5 V with 73% capacity retained after 50 cycles. Charge–discharge is achieved by a nontopotactic process between K2V3O8 and KV3O8 (ΔV ∼ −23.4%), causing the slow capacity decay. [ABSTRACT FROM AUTHOR]

Published
2019
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