Koffi P.C Yao, Kaushik Kalaga, James A. Gilbert, Daniel P. Abraham, Operando Quantification of (De)Lithiation Behavior of Silicon-Graphite Blended Electrodes for Lithium-Ion Batteries, Adv. Energy Mater., 2019, 1803380. doi: 10.1002/aenm.201803380









Koffi P.C Yao, John S. Okasinski, Kaushik Kalaga, Ilya A. Shkrob, Daniel P. Abraham, Quantifying lithium concentration gradients in the graphite electrode of Li-ion cells using operando energy dispersive X-ray diffraction, Energy Environ. Sci., 2019, Advance Article. doi: 10.1039/C8EE02373E












Dean Miller, Dave Zapotok, Paul Anzalone, Tomas Samofil, Lukas Hladik, Hana Tesafova, Koffi P. C Yao, Victor A. Maroni, and Daniel P. Abraham, Exploring Li distribution in Li-ion batteries with FIB-SEM and TOF-SIMS, Microsc. Microanal. 24, S1, 2018, pp 370-371. doi: 10.1017/S1431927618002349

Ankit Verma, Smith Kandler, Santhanagopalan Shriram, Daniel Abraham, Koffi P.C Yao, and Partha P. Mukherjee, Galvanostatic Intermittent Titration and Performance Based Analysis of LiNi0.5Co0.2Mn0.3O2 Cathode, J. Electrochem. Soc. 164, 13, 2017, pp A3380-A3392. doi: 10.1149/2.1701713jes

Don-Hyung Ha, Binghong Han, Marcel Risch, Livia Giordano, Koffi P.C. Yao, Pinar Karayaylali, Yang Shao-Horn, Activity and stability of cobalt phosphides for hydrogen evolution upon water splitting, Nano Energy, 29, 2016, pp 37-45, doi: 10.1016/j.nanoen.2016.04.034

Koffi P. C. Yao, James T. Frith, Sayed Youssef Sayed, Fanny Bardé, John R. Owen‡, Yang Shao-Horn, Nuria Garcia-Araez, Utilization of Cobalt Bis(terpyridine) Metal Complex as Soluble Redox Mediator in Li–O2 Batteries, J. Phys. Chem. C, 2016, 120 (30), pp 16290–16297. doi: 10.1021/acs.jpcc.6b02932









Sayed Youssef Sayed, Koffi P. C. Yao, David G. Kwabi, Thomas P. Batcho, Chibueze V. Amanchukwu, Shuting Feng, Carl V. Thompson, Yang Shao-Horn, Revealing Instability and Irreversibility in Nonaqueous Sodium-O2 Battery Chemistry. Chem. Commun., 2016, 52, 9691-9694. doi: 10.1039/C6CC02291J

Forrest S Gittleson, Koffi P.C. Yao, David G Kwabi, Sayed Youssef Sayed, Won‐Hee Ryu, Yang Shao‐Horn, André D Taylor. Raman Spectroscopy in Lithium–Oxygen Battery Systems. ChemElectroChem 2015. doi: 10.1002/celc.201500218









Nagore Ortiz-Vitoriano, Thomas P. Batcho, David G. Kwabi, Binghong Han, Nir Pour, Koffi P. C. Yao, Carl V. Thompson, Yang Shao-Horn. Rate-Dependent Nucleation and Growth of NaO2 in Na-O2 Batteries. J. Phys. Chem. Lett., 2015. doi: 10.1021/acs.jpclett.5b00919

 Koffi P. C. Yao, Marcel Risch, Sayed Youssef Sayed, Yueh-Lin Lee, Jonathon Harding, Alexis Grimaud, Nir Pour, Zhichuan Xu, Jigang Zhou, Azzam Mansour, Fanny Bardé, Yang Shao-Horn. Solid-State Activation of Li2O2 oxidation Kinetics and Implications for Li-O2 batteries. Energy. Environ. Sci., 2015. doi: 10.1039/C5EE00967G












Koffi P. C. Yao, Yi-Chun Lu, Chibueze V. Amanchukwu, David G. Kwabi, Marcel Risch, Jigang Zhou, Alexis Grimaud, Paula T. Hammond, Fanny Bardé, Yang Shao-Horn. The influence of transition metal oxides on the kinetics of Li2O2 oxidation in Li-O2 batteries: high activity of chromium oxides. Phys. Chem. Chem. Phys. 2013. doi: 10.1039/c3cp53330a

 Koffi P. C. Yao, David G. Kwabi, Ronald A. Quinlan, Azzam N. Mansour, Alexis Grimaud, Yueh-Lin Lee, Yi-Chun Lu, Yang Shao-Horn. Thermal stability of Li2O2 and Li2O for Li-air batteries: in situ XRD and XPS studies. J. Electrochem. Soc. 2013, 160(6), A824–A831. doi:10.1149/2.069306jes







Yi-Chun Lu, David G. Kwabi, Koffi P. C. Yao, Jonathon R. Harding, Jigang Zhou, Lucia Zuin, Yang Shao-Horn. The discharge rate capability of rechargeable Li-O2 batteries. Energy Environ. Sci. 2011, 4, 2999-3007. doi:  10.1039/C1EE01500A

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