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Nonaqueous Electrolyte Development for Electrochemical Capacitors
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不知道以前有人发过没，关于超级电容器电解液的研究资料 《Nonaqueous Electrolyte Development for Electrochemical Capacitors》 T. R. Jow K. Xu S. P. Ding September 1999 Work Performed Under Contract No. DE-AI07-96ID13451 For U.S. Department of Energy Assistant Secretary for Energy Research Washington, DC By U.S. Army Research Laboratory Adelphi, MD |
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2012-09-17 14:21:17, 839.84 K
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52楼2014-03-28 15:56:24
seagrove: 回帖置顶 2012-09-17 15:12:52
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Contents Executive Summary ............................................................................ 1 1. Introduction ................................................................................... 3 1.1 The Importance of Electrolyte ..................................................... 3 1.2 Desired Properties and Controlling Parameters ........................... 5 1.3 State-of-the-Art Nonaqueous Electrolytes ................................... 5 1.4 Recent Development ................................................................... 5 Electrolytes Based on Quaternary Ammonium Salts ......................... 5 Electrolytes Based on Cyclic Aromatic Imidazolium Salts .................. 6 1.5 Objective of This Development ................................................... 7 2. Synthesis of New Asymmetric Quaternary Ammonium Salts......... 8 2.1 Methods of Syntheses .................................................................. 8 2.2 Examples ....................................................................................... 9 2.3 Structure Identification ................................................................ 12 3. Experimental .................................................................................. 15 3.1 Materials Preparation ................................................................... 15 3.2 Measurements .............................................................................. 16 Melting Point (or Decomposition Temperatures) and Solubility .......... 16 Electrical Conductivity ......................................................................... 16 Electrochemical Stability Window ........................................................ 16 Cell Testing ........................................................................................... 16 4. Results and Discussion..................................................................... 18 4.1 Melting Point and Solubility ........................................................... 18 4.2 Conducitvity .................................................................................... 20 Conductivity of Electrolytes Containing Et4NBF4 and Et4NPF6 ............ 20 Conductivity of Electrolytes Containing Asymmetric Quaternary Ammonium Salts ... 20 4.3 Electrochemical Stability ............................................................................... 24 Electrochemical Stability versus Glassy Carbon.................................................. 24 Electrochemical Stability versus Porous Activated Carbon Electrodes ............... 26 4.4 Capacitance ................................................................................... .............. 30 4.5 A Comparison of ARL Electrolytes With the State-of-the-Art Electrolytes .... 30 4.6 Cell Performance .......................................................................................... 30 5. Conclusions and Future Perspective .............................................................. 32 References .......................................................................................................... 33 |
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2012-09-17 14:49
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2012-09-18 14:52
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2012-09-18 18:55
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