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Lucht – URI V.D.7 Development of Electrolytes for Lithium-ion Batteries (URI) investigated. Novel electrolytes were investigated to improve performance of Si-based anodes. LiNi Co Mn O /NG 1/3 1/3 1/3 2 Formation RT,C/5 -10,C/10 RT,C/5 -10,C/10 Specific Discharge Capacity (mAh g -1 ) 160 140 120 100 80 60 40 20 0 thermal storage at 55 for one week 1.2 M LiPF 6 in EC/EMC (3:7, vol.) 1.2 M LiFOP in EC/EMC (3:7, vol.) 1.2 M LiFOP in PC/EMC (3:7, vol.) 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Cycle numbers (n) Figure V - 165: Cycling performance of graphite /LiNi1/3Co1/3Mn1/3O2 cells with different electrolytes. Figure V - 166: Cycling performance of Si/Li half cells containing various electrolytes. Our future work will include the development of an LiPF 4 (C 2 O 4 ) electrolyte with optimized performance at low temperature after accelerated aging. A better understanding of the role of electrolytes in the poor cycling efficiency and capacity fade of LiNi 0.5 Mn 1.5 O 4 cathodes will be developed. Finally, we will develop electrolyte formulations which optimize the performance of LiNi 0.5 Mn 1.5 O 4 cathodes cycled to high voltage (4.9 V vs Li). FY 2011 Publications/Presentations 1. Experimental and Theoretical Investigations on Dimethyl Vinylene Carbonate as Solid Electrolyte Interface Forming Additive for Lithium-ion Batteries, Mengqing Xu, Liu Zhou, Lidan Xing, Weishan Li, and Brett L. Lucht Electrochim. Acta, 2010, 55, 6743 6748. 2. Inorganic Additives for Passivation of High Voltage Cathode Materials, Li Yang, Tippawan Markmaitree, and Brett L. Lucht J. Power Sources 2011, 196, 2251 2254. 3. Effects of Different Electrode Materials on the Performance of Lithium Tetrafluorooxalatophosphate (LiFOP) Electrolyte, Liu Zhou, Swapnil Dalavi, Mengqing Xu, and Brett L. Lucht J. Power Sources 2011, 196, 8073-8084. 4. Investigation of the Solid Electrolyte Interphase on MCMB and NG Electrodes in Lithium Tetrafluorooxalatophosphate [LiPF 4 C 2 O 4 ] Based Electrolyte Mengqing Xu, Liu Zhou, Dinesh Chalasani, Swapnil Dalavi, and Brett L. Lucht J. Electrochem. Soc. 2011, 158, A1202-A1206. 5. Cathode Solid Electrolyte Interphase Generation in Lithium Ion Batteries with Electrolyte Additives, Meeting of the Electrochemical Society, Las Vegas, October 2010. 6. Investigation of Lithum Tetrafluorooxalatophosphate (LiPF 4 C 2 O 4 ) Based Electrolytes, Meeting of the Electrochemical Society, Las Vegas, October 2010. 7. Development of Electrolytes for Lithium Ion Batteries, DOE Annual Merit Review, Washington, DC, May 2011. 8. Investigation of Lithum Tetrafluorooxalatophosphate (LiPF 4 C 2 O 4 ) Based Electrolytes, 4th Symposium on Energy Storage: Beyond Lithium Ion, Pacific FY 2011 Annual Progress Report 619 Energy Storage R&D
V.D.7 Development of Electrolytes for Lithium-ion Batteries (URI) Lucht – URI Northwest National Laboratory, Richland, WA, June 2011. 9. Development of Electrolytes for High Voltage Lithium Ion Batteries, 5th Polymer Batteries and Fuel Cells Conference, Argonne, IL, August 2011. Energy Storage R &D 620 FY 2011 Annual Progress Report
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V. FOCUSED FUNDAMENTAL RESEARCH Int
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V.A Introduction Duong - DOE, Srini
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V.B Cathode Development V.B.1 First
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V.B.1 First Principles Calculations
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V.B.1 First Principles Calculations
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V.B.2 Cell Analysis, High-energy De
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V.B.3 Olivines and Substituted Laye
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V.B.4 Stabilized Spinels and Nano O
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V.B.4 Stabilized Spinels and Nano O
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V.B.5 The Synthesis and Characteriz
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V.B.5 Synthesis & Characterization
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V.B.6 Cell Analysis-Interfacial Pro
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V.B.6 Cell Analysis-Interfacial Pro
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V.B.7 Role of Surface Chemistry on
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V.B.8 Characterization of New Catho
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V.B.8 Characterization of New Catho
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V.B.9 Layered Cathode Materials (AN
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V.B.10 Development of High Energy C
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V.B.10 Development of High Energy C
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V.B.11 Crystal Studies on High-ener
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V.B.12 Developing Materials for Lit
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V.B.13 Studies on the Local SOC and
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V.B.13 Studies on the Local SOC and
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V.B.14 New Cathode Projects (LBNL)
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V.C.1 Nanoscale Composite Hetero-st
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V.C.1 Nanoscale Composite Hetero-st
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V.C.2 Interfacial Processes - Diagn
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V.C.3 Search for New Anode Material
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V.C.4 Nano-structured Materials as
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V.C.4 Nano-structured Materials as
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V.C.5 Development of High Capacity
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V.C.5 Development of High Capacity
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V.C.6 Advanced Binder for Electrode
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V.C.6 Advanced Binder for Electrode
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V.C.7 Three-Dimensional Anode Archi
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ARGONNE2_CDJ403T me Pro ile V.C.7 T
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V.C.8 Metal-Based High-Capacity Li-
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V.C.8 Metal-Based High-Capacity Li-
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Page 107 and 108: V.C.10 Atomic Layer Deposition for
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Page 111 and 112: V.C.11 Synthesis and Characterizati
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Page 117 and 118: V.C.12 Silicon Clathrates for Anode
Page 119 and 120: V.C.12 Silicon Clathrates for Anode
Page 121 and 122: V.C.13 Wiring Up Silicon Nanopartic
Page 123 and 124: V.C.13 Wiring Up Silicon Nanopartic
Page 125 and 126: V.C.14 Hard Carbon Materials for Hi
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Page 129 and 130: V.D.1 Polymer Electrolytes for Adva
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Page 133 and 134: V.D.2 Interfacial Behavior of Elect
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Page 137 and 138: V.D.3 Molecular Dynamics Simulation
Page 139 and 140: V.D.3 Molecular Dynamics Simulation
Page 141 and 142: V.D.4 Bi-functional Electrolytes fo
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Page 145 and 146: V.D.5 Advanced Electrolyte and Elec
Page 147 and 148: V.D.6 Inexpensive, Nonfluorinated (
Page 149 and 150: V.D.6 Nonfluorinated (or Partially
Page 151 and 152: V.D.7 Development of Electrolytes f
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Page 157 and 158: V.D.8 Sulfones with Additives as El
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Page 161 and 162: V.D.9 Long-lived Polymer Electrolyt
Page 163 and 164: V.E Cell Analysis, Modeling, and Fa
Page 165 and 166: V.E.1 Electrode Fabrication and Fai
Page 167 and 168: V.E.2 Modeling-Thermo-electrochemis
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Page 171 and 172: V.E.3 Intercalation Kinetics and Io
Page 177 and 178: V.E.4 Mathematical Modeling of Next
Page 179 and 180: V.E.5 Analysis and Simulation of El
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Page 183 and 184: V.E.6 Investigation of Critical Par
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Page 187 and 188: V.E.7 Predicting/Understanding New
Page 189 and 190: V.E.8 New Electrode Designs for Ult
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Page 193 and 194: V.E.9 In Situ Electron Spectroscopy
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Page 197 and 198: V.F.1 Energy Frontier Research Cent
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Page 201 and 202: V.F.2 Novel In Situ Diagnostics Too
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V.G Integrated Lab-Industry Researc
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