Supercapacitors Fabrication and Performance Evaluation Techniques

2021 ◽  
Author(s):  
Imtiaz Ahmed Khan ◽  
Litty Thekkekara ◽  
Sania Waqar ◽  
Nauman Choudhry ◽  
Sabu John
Keyword(s):  
Performance Evaluation ◽  
Electrical Energy ◽  
Electrochemical Measurement ◽  
Storage Device ◽  
Energy Storage Device ◽  
Holistic View ◽  
Supercapacitor Performance ◽  
Pros And Cons ◽  
And Performance ◽  
Evaluation Techniques

Supercapacitors have surfaced as a promising technology to store electrical energy and bridge the gap between a conventional capacitor and a battery. This chapter reviews various fabrication practices deployed in the development of supercapacitor electrodes and devices. A broader insight is given on the numerous electrode fabrication techniques that include a detailed introduction, principles, pros and cons, and their specific applications to provide a holistic view. Key performance parameters of an energy storage device are explained in detail. A further discussion comprises several electrochemical measurement procedures that are used for the supercapacitor performance evaluation. The performance characterization section helps to determine the correct approach that should be utilized for supercapacitor device performance measurement and assessment.

The Dynamis Fund: An Energy Hedge Fund

2017 ◽  
pp. 1-12
Author(s):  
George (Yiorgos) Allayannis ◽  
Mark R. Eaker ◽  
Alec Bocock
Keyword(s):  
Performance Evaluation ◽  
Asset Management ◽  
Hedge Funds ◽  
Mutual Fund ◽  
Hedge Fund ◽  
Investment Strategies ◽  
Futures Options ◽  
Pros And Cons ◽  
Oil Sector ◽  
Evaluation Techniques

Fred Bocock was examining the performance of the Energy Hedge Fund and the Energy Portfolio, a hedge fund and a mutual fund respectively, which he manages. Bocock had become increasingly aware that absolute returns or relative returns (returns relative to a benchmark) may not adequately capture his performance and some measure of risk-adjusted performance was necessary. The Dynamis Energy Hedge Fund extends the discussion of performance evaluation into the hedge fund arena. (See “Zeus Asset Management,” UVA-F-1232, for an examination of performance evaluation techniques in the mutual funds arena.) More broadly, the case engages students in discussions on what hedge funds are, what investment strategies they use, and who their investors are. Since the portfolio manager of Dynamis manages both an oil sector equity mutual fund and an oil sector hedge fund, the case allows for a comparison between a hedge fund and a mutual fund. Students should consider the pros and cons of evaluating the performance of the oil stock mutual fund against a number of oil sector stock indices as well as against a number of generic indices, such as the S&P 500 Index. The use of futures, options, shorts, and leverage by hedge funds makes it a lot more difficult to measure their performance. The case comes with a spreadsheet that contains data on the energy mutual fund, the Dynamis hedge fund, and several relevant indices.

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