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284 results on '"Diao, Jiang"'

8. Corrosion of Alkali Metals on SiC-Si3N4 Refractory of Pusher Kiln

Author

Diao, Jiang, Ruixin, Hu, Jin, Lei, Deman, Liu, Wenfeng, Tan, Hongyi, Li, Bing, Xie, Alvear Flores, Gerardo R. F., editor, Fleuriault, Camille, editor, Gregurek, Dean, editor, Reynolds, Quinn G., editor, Joubert, Hugo, editor, Nicol, Stuart L., editor, Mackey, Phillip J., editor, White, Jesse F., editor, and Nolet, Isabelle, editor

Published
2024
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31. Effect of MgO on Oxidation of Vanadium Slag at High Temperature

Author

Liu, Liang, Diao, Jiang, Qiu, Yi-Yu, Li, Hong-Yi, Xie, Bing, Li, Jian, editor, Zhang, Mingming, editor, Li, Bowen, editor, Monteiro, Sergio Neves, editor, Ikhmayies, Shadia, editor, Kalay, Yunus Eren, editor, Hwang, Jiann-Yang, editor, Escobedo-Diaz, Juan P., editor, Carpenter, John S., editor, Brown, Andrew D., editor, Soman, Rajiv, editor, and Moser, Alex, editor

Published
2021
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33. H2O‐Mg2+ Waltz‐Like Shuttle Enables High‐Capacity and Ultralong‐Life Magnesium‐Ion Batteries.

Author

Ma, Xiu‐Fen, Zhao, Bai‐Qing, Liu, Hongyu, Tan, Jing, Li, Hong‐Yi, Zhang, Xie, Diao, Jiang, Yue, Jili, Huang, Guangsheng, Wang, Jingfeng, and Pan, Fusheng

Subjects
STORAGE batteries, CATHODES, ELECTRIC batteries, VANADIUM oxide
Abstract

Mg‐ion batteries (MIBs) are promising next‐generation secondary batteries, but suffer from sluggish Mg2+ migration kinetics and structural collapse of the cathode materials. Here, an H2O‐Mg2+ waltz‐like shuttle mechanism in the lamellar cathode, which is realized by the coordination, adaptive rotation and flipping, and co‐migration of lattice H2O molecules with inserted Mg2+, leading to the fast Mg2+ migration kinetics, is reported; after Mg2+ extraction, the lattice H2O molecules rearrange to stabilize the lamellar structure, eliminating structural collapse of the cathode. Consequently, the demo cathode of Mg0.75V10O24·nH2O (MVOH) exhibits a high capacity of 350 mAh g−1 at a current density of 50 mA g−1 and maintains a capacity of 70 mAh g−1 at 4 A g−1. The full aqueous MIB based on MVOH delivers an ultralong lifespan of 5000 cycles The reported waltz‐like shuttle mechanism of lattice H2O provides a novel strategy to develop high‐performance cathodes for MIBs as well as other multivalent‐ion batteries. [ABSTRACT FROM AUTHOR]

Published
2024
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46. Determination of chromium valence state in the CaO–SiO2–FeO–MgO–CrOx system by X-ray photoelectron spectroscopy

Author

Liu Deman, Diao Jiang, Qiu Yiyu, Wang Guang, Li Gang, and Xie Bing

Subjects
chromium-containing steel slag, xps, cr, valence state, Technology, Chemical technology, TP1-1185, Chemicals: Manufacture, use, etc., TP200-248
Abstract

The chromium valence states in the CaO–SiO2–FeO–MgO–CrOx system were investigated by X-ray photoelectron spectroscopy (XPS). The results indicated that the XPS peaks of Cr 2p3/2 and Cr 2p1/2 locate at the binding energy of ∼577 and ∼586 eV, respectively. There are three kinds of chromium ions such as bivalent Cr(ii), trivalent Cr(iii), and hexavalent Cr(vi) in the CaO–SiO2–FeO–MgO–CrOx slag. Cr(iii) is the dominant valence state, and more than 77.99% Cr is trivalent Cr(iii). The fraction of Cr(ii)/Cr is in the range of 11.24–17.22%. The fraction of Cr(vi)/Cr is below 4.80%. The fraction of Cr(ii)/Cr decreases with increasing slag basicity, Cr2O3 content, temperature, or oxygen pressure log(PO2), while the fraction of Cr(iii)/Cr increases with increasing basicity, Cr2O3 content, temperature, or oxygen pressure. The trend of change is opposite. Low log(PO2), high Cr2O3 content, and high temperature are beneficial to reduce the toxic hexavalent Cr(vi). The slag basicity has little influence on the fraction of Cr(vi)/Cr.

Published
2020
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