Research on molecular energy storage

Abstract

This article provides a comparative analysis of various energy storage devices. A detailed review and analysis of molecular energy storage units is carried out, their main characteristics and parameters, as well as their application areas, are determined.

The main types of molecular energy storage are determined: electric double layer capacitors, pseudo capacitors, hybrid capacitors. Comparison of the characteristics of various batteries is given. The parameters of various energy storage devices are presented. The analysis of molecular energy storage devices and accumulators is carried out. Ttheir advantages and disadvantages are revealed.

It has been shown that molecular energy storage or double layer electrochemical capacitors are ideal energy storage systems due to their high specific energy, fast charging and long life compared to conventional capacitors.

The article presents oscillograms of a lithium-ion battery with a voltage of 10.8 V at a pulsed load current of 2A of a laptop with and without a molecular energy storage device, as well as oscillograms of a laptop with DVD lithium-ion battery with a voltage of 10.8 V with a parallel shutdown of a molecular energy storage device with a capacity of 7 F and without it. The comparative analysis shows that when the molecular energy storage unit with a 7 F capacity is switched on and off, transient processes are significantly improved and there are no supply voltage dips. The dependences of the operating time of a 3.6 V 600 mAh lithium-ion battery at a load of 2 A for powering mobile cellular devices with and without a molecular energy storage are given. It is shown that when the molecular energy storage device is switched on, the battery operation time increases by almost 20%.

Keywords

energy storage / capacitor / molecular energy storage / electrochemical capacitor / pseudo capacitor / charge mode / electronics / hybrid energy storage systems

References

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RIGHTS & PERMISSIONS

Zuyev S.M., Maleyev R.A., Shmatkov Y.M., Khandzhalov M.Y., Yakhutl' D.R.