Extended <i>RC</i> Impedance and Relaxation Models for Dissipative Electrochemical Capacitors

نویسندگان

چکیده

Electrochemical capacitors are a class of energy devices in which complex mechanisms accumulation and dissipation electric take place when connected to charging or discharging power system. Reliably modeling their frequency-domain time-domain behaviors is crucial for proper design integration engineering applications, knowing that electrochemical general exhibit anomalous tendency cannot be adequately captured with the traditional ${RC}$ -based models. In this study, we first review some widely used fractional-order models description impedance relaxation functions dissipative resistive–capacitive system, namely, Cole–Cole, Davidson–Cole, Havriliak–Negami We then propose derive new notation="LaTeX">${q}$ -deformed based on modified evolution equations charge voltage device discharged into parallel resistive load. verify our results spectral response data obtained from commercial supercapacitor.

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Materials for electrochemical capacitors.

Electrochemical capacitors, also called supercapacitors, store energy using either ion adsorption (electrochemical double layer capacitors) or fast surface redox reactions (pseudo-capacitors). They can complement or replace batteries in electrical energy storage and harvesting applications, when high power delivery or uptake is needed. A notable improvement in performance has been achieved thro...

متن کامل

Batteries and electrochemical capacitors

solar and wind power, offers enormous potential for meeting future energy demands. But access to solar and wind energy is intermittent, whereas electricity must be reliably available for 24 hours a day: Even second-to-second fluctuations can cause major disruptions that cost tens of billions of dollars annually. Electrical energy storage devices will therefore be critical for effectively leveli...

متن کامل

Batteries and Electrochemical Capacitors

The invention of the battery can be attributed to Alessandro Volta (1745-1827) of Como, Italy, who in 1800 described an assembly consisting of plates of two different metals, such as Zn and Cu, placed alternately in a stack-like fashion separated by paper soaked in an aqueous solution, such as brine or vinegar. As discovered by Volta, this contraption was capable of producing an electrical shoc...

متن کامل

An Electrochemical Route for Making Porous Nickel Oxide Electrochemical Capacitors

Porous nickel oxide films were prepared by electrochemically precipitating nickel hydroxide and heating the hydroxide in air at 300°C. The resulting nickel oxide films behave as an electrochemical capacitor with a specific capacitance of 59 Flg electrode material. These nickel oxide films maintain high utilization at high rates of discharge (i.e., high power density) and have excellent cycle li...

متن کامل

Mathematical Modeling of Electrochemical Capacitors

Analytic solutions to the mathematical model of an electrochemical capacitor (EC) are used to study cell performance under two types of operating conditions: (i) constant current and (ii) electrochemical impedance spectroscopy. The analytic solution under constant-current operation is used to investigate the relative importance of ionic resistance in the separator, and ionic and electronic resi...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: IEEE Transactions on Electron Devices

سال: 2022

ISSN: ['0018-9383', '1557-9646']

DOI: https://doi.org/10.1109/ted.2022.3197384