All Outputs (146)

Yttria-Stabilized Zirconia Aided Electrochemical Investigation on Ferric Ions in Mixed Molten Calcium and Sodium Chlorides (2018)
Journal Article
Hu, H., Gao, Y., Lao, Y., Qin, Q., Li, G., & Chen, G. Z. (2018). Yttria-Stabilized Zirconia Aided Electrochemical Investigation on Ferric Ions in Mixed Molten Calcium and Sodium Chlorides. Metallurgical and Materials Transactions B, 49(5), 2794-2808. https://doi.org/10.1007/s11663-018-1371-z

© 2018, The Minerals, Metals & Materials Society and ASM International. Electrolytic reduction of dissolved iron oxide to metal iron in molten salts with an inert anode is an alternative short route for steelmaking without CO 2 emissions. A novel... Read More about Yttria-Stabilized Zirconia Aided Electrochemical Investigation on Ferric Ions in Mixed Molten Calcium and Sodium Chlorides.

Fundamental Consideration for Electrochemical Engineering of Supercapattery (2018)
Journal Article
Akinwolemiwa, B., & Chen, G. (2018). Fundamental Consideration for Electrochemical Engineering of Supercapattery. Journal of the Brazilian Chemical Society, 29(5), 960-972. https://doi.org/10.21577/0103-5053.20180010

Supercapattery is the generic name for various electrochemical energy storage (EES) devices combining the merits of battery (high energy density) and supercapacitor (high power density and long cycling life). In this article, the principle and applic... Read More about Fundamental Consideration for Electrochemical Engineering of Supercapattery.

A Rechargeable High-Temperature Molten Salt Iron–Oxygen Battery (2018)
Journal Article
Peng, C., Guan, C., Lin, J., Zhang, S., Bao, H., Wang, Y., …Wang, J. Q. (2018). A Rechargeable High-Temperature Molten Salt Iron–Oxygen Battery. ChemSusChem, 11(11), 1880-1886. https://doi.org/10.1002/cssc.201800237

© 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim The energy and power density of conventional batteries are far lower than their theoretical expectations, primarily because of slow reaction kinetics that are often observed under ambient conditions... Read More about A Rechargeable High-Temperature Molten Salt Iron–Oxygen Battery.

Molecular level one-step activation of agar to activated carbon for high performance supercapacitors (2018)
Journal Article
Zhang, L., Gu, H., Sun, H., Cao, F., Chen, Y., & Chen, G. Z. (2018). Molecular level one-step activation of agar to activated carbon for high performance supercapacitors. Carbon, 132, 573-579. https://doi.org/10.1016/j.carbon.2018.02.100

Activated carbon was synthesized by a simple one-step calcination of deoxygenated agar in a hot KOH aqueous solution, in which KOH plays both deoxidant and activation agent. The deoxygenation course omits high temperature carbonization in the convent... Read More about Molecular level one-step activation of agar to activated carbon for high performance supercapacitors.

Lithium Bis(fluorosulfony)imide-Lithium Hexafluorophosphate Binary-Salt Electrolytes for Lithium-Ion Batteries: Aluminum Corrosion Behaviors and Electrochemical Properties (2018)
Journal Article
Xia, L., Jiang, Y., Pan, Y., Li, S., Wang, J., He, Y., …Chen, G. Z. (2018). Lithium Bis(fluorosulfony)imide-Lithium Hexafluorophosphate Binary-Salt Electrolytes for Lithium-Ion Batteries: Aluminum Corrosion Behaviors and Electrochemical Properties. ChemistrySelect, 3(7), 1954-1960. https://doi.org/10.1002/slct.201702488

© 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Aluminum corrosion behaviors and electrochemical properties of Lithium bis(fluorosulfony)imide (LiFSI)-lithium hexafluorophosphate (LiPF6) binary-salt electrolytes containing mixtures of LiFSI and L... Read More about Lithium Bis(fluorosulfony)imide-Lithium Hexafluorophosphate Binary-Salt Electrolytes for Lithium-Ion Batteries: Aluminum Corrosion Behaviors and Electrochemical Properties.

Research Progress and Perspectives on High Voltage, Flame Retardant Electrolytes for Lithium-Ion Batteries (2017)
Journal Article
Xia, L., Yu, L., Hu, D., & Chen, Z. G. (2017). Research Progress and Perspectives on High Voltage, Flame Retardant Electrolytes for Lithium-Ion Batteries. Acta Chimica Sinica, 75(12), 1183-1195. https://doi.org/10.6023/A17060284

© 2017 Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences. The electrolyte is an indispensable constituent in lithium ion batteries, and its role conducts electricity by means of the transportation of charge carries between the pair... Read More about Research Progress and Perspectives on High Voltage, Flame Retardant Electrolytes for Lithium-Ion Batteries.

Fluorinated electrolytes for li-ion batteries: the lithium difluoro(oxalato)borate additive for stabilizing the solid electrolyte interphase (2017)
Journal Article
Xia, L., Lee, S., Jiang, Y., Xia, Y., Chen, G. Z., & Liu, Z. (in press). Fluorinated electrolytes for li-ion batteries: the lithium difluoro(oxalato)borate additive for stabilizing the solid electrolyte interphase. ACS Omega, 2(12), https://doi.org/10.1021/acsomega.7b01196

Fluorinated electrolytes based on fluoroethylene carbonate (FEC) have been considered as promising alternative electrolytes for high-voltage and high-energy capacity lithium-ion batteries (LIBs). However, the compatibility of the fluorinated electrol... Read More about Fluorinated electrolytes for li-ion batteries: the lithium difluoro(oxalato)borate additive for stabilizing the solid electrolyte interphase.

Controllable synthesis of (NH4)Fe2(PO4)2(OH)·2H2O using two-step route: Ultrasonic-intensified impinging stream pre-treatment followed by hydrothermal treatment (2017)
Journal Article
Dong, B., Li, G., Yang, X., Chen, L., & Chen, G. Z. (2018). Controllable synthesis of (NH4)Fe2(PO4)2(OH)·2H2O using two-step route: Ultrasonic-intensified impinging stream pre-treatment followed by hydrothermal treatment. Ultrasonics Sonochemistry, 42, 452-463. https://doi.org/10.1016/j.ultsonch.2017.12.008

© 2017 Elsevier B.V. (NH4)Fe2(PO4)2(OH)·2H2O samples with different morphology are successfully synthesized via two-step synthesis route – ultrasonic-intensified impinging stream pre-treatment followed by hydrothermal treatment (UIHT) method. The eff... Read More about Controllable synthesis of (NH4)Fe2(PO4)2(OH)·2H2O using two-step route: Ultrasonic-intensified impinging stream pre-treatment followed by hydrothermal treatment.

Development of the Fray-Farthing-Chen Cambridge Process: towards the sustainable production of titanium and its alloys (2017)
Journal Article
Hu, D., Dolganov, A., Ma, M., Bhattacharya, B., Bishop, M. T., & Chen, G. Z. (2018). Development of the Fray-Farthing-Chen Cambridge Process: towards the sustainable production of titanium and its alloys. JOM Journal of the Minerals, Metals and Materials Society, 70(2), https://doi.org/10.1007/s11837-017-2664-4

The Kroll process has been employed for titanium extraction since the 1950s. It is a labour and energy intensive multi-step semi-batch process. The post-extraction processes for making the raw titanium into alloys and products are also excessive, inc... Read More about Development of the Fray-Farthing-Chen Cambridge Process: towards the sustainable production of titanium and its alloys.

Oxidation Decomposition Mechanism of Fluoroethylene Carbonate-Based Electrolytes for High-Voltage Lithium Ion Batteries: A DFT Calculation and Experimental Study (2017)
Journal Article
Xia, L., Tang, B., Yao, L., Wang, K., Cheris, A., Pan, Y., …Liu, Z. (2017). Oxidation Decomposition Mechanism of Fluoroethylene Carbonate-Based Electrolytes for High-Voltage Lithium Ion Batteries: A DFT Calculation and Experimental Study. ChemistrySelect, 2(24), 7353-7361. https://doi.org/10.1002/slct.201700938

© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim The oxidative decomposition mechanism of fluoroethylene carbonate (FEC) used in high-voltage batteries is investigated by using density functional theory (DFT). Radical cation FEC•+ is formed from F... Read More about Oxidation Decomposition Mechanism of Fluoroethylene Carbonate-Based Electrolytes for High-Voltage Lithium Ion Batteries: A DFT Calculation and Experimental Study.

Highly Efficient Sulfonic/Carboxylic Dual-Acid Synergistic Catalysis for Esterification Enabled by Sulfur-Rich Graphene Oxide (2017)
Journal Article
Zhang, H., Luo, X., Shi, K., Wu, T., He, F., Zhou, S., …Peng, C. (2017). Highly Efficient Sulfonic/Carboxylic Dual-Acid Synergistic Catalysis for Esterification Enabled by Sulfur-Rich Graphene Oxide. ChemSusChem, 10(17), 3352-3357. https://doi.org/10.1002/cssc.201700950

A new sulfonic/carboxylic dual-acid catalyst based on sulfur-rich graphene oxide (GO-S) was readily prepared and used as a highly efficient and reusable solid acid catalyst toward the esterification of oleic acid with methanol for biodiesel productio... Read More about Highly Efficient Sulfonic/Carboxylic Dual-Acid Synergistic Catalysis for Esterification Enabled by Sulfur-Rich Graphene Oxide.

Faradaic processes beyond Nernst’s law: density functional theory assisted modelling of partial electron delocalisation and pseudocapacitance in graphene oxides (2017)
Journal Article
Li, J., O'Shea, J. N., Hou, X., & Chen, G. Z. (in press). Faradaic processes beyond Nernst’s law: density functional theory assisted modelling of partial electron delocalisation and pseudocapacitance in graphene oxides. Chemical Communications, 53(75), 10414-10417. https://doi.org/10.1039/C7CC04344A

The study of electron delocalisation in oxygen atom segregated zones in graphene, aided by the first-principles density functional theory, has revealed extra energy bands of ≥ 2 eV wide around the Fermi level, predicting faradaic charge storage occur... Read More about Faradaic processes beyond Nernst’s law: density functional theory assisted modelling of partial electron delocalisation and pseudocapacitance in graphene oxides.

Advances on transition metal oxides catalysts for formaldehyde oxidation: a review (2017)
Journal Article
Yusuf, A., Snape, C., He, J., Xu, H., Liu, C., Zhao, M., …Behera, S. N. (in press). Advances on transition metal oxides catalysts for formaldehyde oxidation: a review. Catalysis Reviews: Science and Engineering, https://doi.org/10.1080/01614940.2017.1342476

This review highlights recent advances in the development of transition metal based catalysts for formaldehyde oxidation, particularly the enhancement of their catalytic activity for low temperature oxidation. Various factors that enhance low tempera... Read More about Advances on transition metal oxides catalysts for formaldehyde oxidation: a review.

Mechanisms and Designs of Asymmetrical Electrochemical Capacitors (2017)
Journal Article
Akinwolemiwa, B., Wei, C., & Chen, G. Z. (2017). Mechanisms and Designs of Asymmetrical Electrochemical Capacitors. Electrochimica Acta, 247, 344-357. https://doi.org/10.1016/j.electacta.2017.06.088

© 2017 Elsevier Ltd Different charge storage mechanisms in electrochemical energy storage devices are reviewed, including non-Faradaic capacitive, Faradaic capacitive, Faradaic non-capacitive, and their combinations. Specifically, Faradaic capacitive... Read More about Mechanisms and Designs of Asymmetrical Electrochemical Capacitors.

Rapid preparation of high electrochemical performance LiFePO 4 /C composite cathode material with an ultrasonic-intensified micro-impinging jetting reactor (2017)
Journal Article
Dong, B., Huang, X., Yang, X., Li, G., Xia, L., & Chen, G. (2017). Rapid preparation of high electrochemical performance LiFePO 4 /C composite cathode material with an ultrasonic-intensified micro-impinging jetting reactor. Ultrasonics Sonochemistry, 39, 816-826. https://doi.org/10.1016/j.ultsonch.2017.06.010

A joint chemical reactor system referred to as an ultrasonic-intensified micro-impinging jetting reactor (UIJR), which possesses the feature of fast micro-mixing, was proposed and has been employed for rapid preparation of FePO4 particles that are am... Read More about Rapid preparation of high electrochemical performance LiFePO 4 /C composite cathode material with an ultrasonic-intensified micro-impinging jetting reactor.

Magnesia-stabilised zirconia solid electrolyte assisted electrochemical investigation of iron ions in the SiO2-CaO-MgO-Al2O3 molten slag at 1723 K (2017)
Journal Article
Gao, Y., Yang, C., Zhang, C., Qin, Q., & Chen, G. Z. (2017). Magnesia-stabilised zirconia solid electrolyte assisted electrochemical investigation of iron ions in the SiO2-CaO-MgO-Al2O3 molten slag at 1723 K. Physical Chemistry Chemical Physics, 19(24), 15876-15890. https://doi.org/10.1039/C7CP01945A

Production of metallic iron through molten oxide electrolysis using inert electrodes is an alternative route for fast ironmaking without CO2 emissions. The fact that many inorganic oxides melt at ultrahigh temperatures (>1500 K) challenges convention... Read More about Magnesia-stabilised zirconia solid electrolyte assisted electrochemical investigation of iron ions in the SiO2-CaO-MgO-Al2O3 molten slag at 1723 K.

Synthesis and applications of MOF-derived porous nanostructures (2017)
Journal Article
Yap, M. H., Fow, K. L., & Chen, G. Z. (2017). Synthesis and applications of MOF-derived porous nanostructures. Green Energy and Environment, 2(3), 218-245. https://doi.org/10.1016/j.gee.2017.05.003

Metal organic frameworks (MOFs) represent a class of porous material which is formed by strong bonds between metal ions and organic linkers. By careful selection of constituents, MOFs can exhibit very high surface area, large pore volume, and excelle... Read More about Synthesis and applications of MOF-derived porous nanostructures.

Inverse nonnegative local coordinate factorization for visual tracking (2017)
Journal Article
Liu, F., Zhou, T., Gong, C., Fu, K., Bai, L., & Yang, J. (in press). Inverse nonnegative local coordinate factorization for visual tracking. IEEE Transactions on Circuits and Systems for Video Technology, https://doi.org/10.1109/TCSVT.2017.2699676

Recently, nonnegative matrix factorization (NMF) with part based representation has been widely used for appearance modelling in visual tracking. Unfortunately, not all the targets can be successfully decomposed as "parts" unless some rigorous condit... Read More about Inverse nonnegative local coordinate factorization for visual tracking.

Effect of the changed electrolytic cell on the current efficiency in FFC Cambridge process (2017)
Journal Article
Hu, M., Zhengfeng, Q., Chenguang, B., Hu, D., & Chen, G. Z. (2017). Effect of the changed electrolytic cell on the current efficiency in FFC Cambridge process. Materials Transactions, 58(3), 322-325. https://doi.org/10.2320/matertrans.MK201623

Low current efficiency of the FFC Cambridge process made it no obvious advantages in cost compared with the traditional process to produce metals. Effect of the changed electrolysis cell on the current efficiency has been studied. Put the cathode int... Read More about Effect of the changed electrolytic cell on the current efficiency in FFC Cambridge process.

Electrolytes for electrochemical energy storage (2017)
Journal Article
Xia, L., Yu, L., Hu, D., & Chen, G. Z. (in press). Electrolytes for electrochemical energy storage. Materials Chemistry Frontiers, 1(4), 584-618. https://doi.org/10.1039/C6QM00169F

An electrolyte is a key component of electrochemical energy storage (EES) devices and its properties greatly affect the energy capacity, rate performance, cyclability and safety of all EES devices. This article offers a critical review of the recent... Read More about Electrolytes for electrochemical energy storage.