Teaching associate

Email: ••••••••••Objective•••••Seeking a research position in industries•••••Education•••••Ph.D. in Analytical Chemistry, Ohio University, Dissertation Title: Nonlinear Phenomena Observed during Copper Electrodissolution in Various Electrolytes, Anticipated August, •••••
Master Degree in Chemical Engineering, Beijing Research Institute of Chemical Industry, July, •••••
Bachelor Degrees in Chemistry and Economics, Peking University, July, ••••••••••Working Experience••••••••••present, Research Associate and Teaching Associate, Department of Chemistry and Biochemistry, Ohio University
Study nonlinear dynamics phenomena during copper electrodissolution in acidic NaCl solution
Investigate convection disturbance induced current oscillations during copper electrodissolution in LiPF•••••organic carbonates electrolyte/solvent (lithium-ion battery electrolyte)
Perform electrochemical analysis techniques of Cyclic Voltammetry (CV), chronoamperometry, linear sweep, bulk electrolysis, coulometry, A.C. impedance spectroscopy
Analyze the oscillatory behaviors with various nonlinear techniques
Teach advanced analytical laboratories including Instrumental Analysis, Electrochemistry, Forensic Chemistry, Spectrochemistry, and Quantitative Analysis
Utilize analytical techniques of FT-IR, UV-Vis, fluorescence spectroscopy, GC, HPLC, flame and furnace Atomic Adsorption (AA) spectroscopy for undergraduate laboratories
Perform arson residues analysis (GC-FID), petroleum product analysis (GC-FID and GC-TCD), drug extraction and analysis from urine (GC-MS), explosive analysis (GC-ECD), herbal supplement analysis (HPLC-UV), caffeine determination (HPLC), and some other natural product analysis
Prepare chemistry laboratories including solution and instrumentations
Assist faculties with designing advanced analytical experiments••••••••••, Research Assistant, Beijing Research Institute of Chemical Industry, Beijing, •••••a
Originate a hydrogenation catalyst study with rare earth elements modification
Design and fabricate solid catalysts
Supervise and participate the catalyst micro-scale evaluation with column GC-TCD and capillary GC-FID
Engage in mid-scale evaluation for the catalyst at Beijing Yanshan Petrochemical Corporation
Characterize the catalyst with surface characterization techniques of XRD, FTIR, BET, AA spectroscopy••••••••••/•••••/•••••, Internship, Beijing Research Institute of Chemical Industry, Beijing, •••••a
Participate in designing and setting up a micro-scale catalyst evaluation apparatus
Study active metal compositions for a selective hydrogenation catalyst
Characterize the catalyst with BET and Atomic Adsorption (AA) spectroscopy•••••Patents and Publications••••••••••, Q.; Dewald, H. D. Current oscillations in anodic electrodissolution of copper in lithium-ion battery electrolyte Electrochim. Acta •••••, •••••(•••••), •••••
•••••, Q.; Dewald, H. D. Current oscillations during copper electrodissolution under solution bubbling with nitrogen in acidic 1 M NaCl electrolyte in submission
•••••, Q.; Dewald, H. D. Characterization of current oscillations during copper electrodissolution under solution bubbling with nitrogen in acidic NaCl electrolyte in preparation
Dai,Wei; Zhu, Jing; Peng, Hui; Guo, Yanlai; Mu, Wei ; Li, Helong; •••••, •••••
Selective hydrogenation catalyst for selectively hydrogenating of unsaturated olefin, process for preparing the same and its use. U.S. Patent 6,•••••,•••••, November •••••, ••••••••••Posters and Presentations•••••Current oscillations observed during copper electrodissolution under solution bubbling with N2 in acidic 1 M NaCl electrolyte •••••, Q; Dewald, H.D. Conference: •••••st ACS National Meeting, Atlanta, GA, March •••••
Current oscillations in anodic electrodissolution of copper in lithium-Ion battery electrolyte •••••, Q; Dewald, H.D. Conference: •••••th Meeting of the Electrochemical Society, Los. Angeles, CA, October •••••
Potentiostatic current oscillations during copper electrodissolution under solution bubbling in acidic 1 M NaCl electrolyte •••••, Q; Dewald, H.D. 2nd Ohio University Student Research Affairs, Athens, OH, May •••••
Potentiostatic current oscillations in anodic electrodissolution of copper and copper-graphite in lithium ion battery electrolyte •••••, Q; Dewald, H.D. 1st Ohio University Student Research Affairs, Athens, OH, April ••••••••••Honors•••••Department of Chemistry Outstanding Teaching Associate Award, Ohio University (•••••)
Department of Chemistry Richard Eddy Services Award, Ohio University (•••••)
Excellent Undergraduate Research Thesis Award, Peking University (•••••)•••••Affiliations•••••The Electrochemical Society student member
American Chemical Society member•••••*Accept relocation