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Home Material Sciences Electrode materials for supercondensers

Electrode materials for supercondensers


The hydro-thermal method for porous carbon material reception at high pressure and technology modes their treatment, as thermal, chemical, and laser modification are development. This invention give perspective material for new generation of condensers. Cheap and ecology plant materials with surface > 1000 m2/g are used.

The parameters of got supercondensers are higher than best world samples, and on 3-4 times is cheaper with carbon materials of famous world productions.

Innovative Aspect and Main Advantages

For improvement of supercondensers characteristics it was spent additional activation of received material (chemical, laser, thermal). The way of chemical updating for electrochemical condensers had been spent processing by nitric acid that has given the chance to raise specific capacity of condensers on 5-20 % through clearing of material surface from different sort of not supervised impurity, and also through to occurrence of superficial functional groups which improve contact carbon/electrolyte.

The irradiation of porous carbon material by laser impulses leads to stabilization Coulomb efficiency which remains to constant during cycles.

It has been received, that the capacity essentially depends on modes thermal annealing and reaches the maximum at annealing temperature 773 K and time of endurance 80 minutes at application of water electrolyte) and 873 K at time of endurance 90 minutes for organic electrolyte. It testifies that at the specified parameters of process (time, temperature) of high-temperature annealing is formed porous system with an optimum parity between volume parts of different diameter both for water, and for organic electrolytes.

Areas of Application

Parameters of the supercondensers generated on the basis of received porous carbon material from raw materials of phytogenesis, correspond the best world samples. Thus received material is in 3-4 times more cheaply in comparison with carbon materials of leading world firms.

Table 1 Porous Carbon Materials Characteristics

Table 2 Supercondensers parameters due type of electrolyte

Electronic Microscope image of Porous Carbon Materials
Fig. 1 Electronic Microscope image of Porous Carbon Materials

Stage of Development

Patents of Ukraine on Inventions:
N 80761 Sources of electrical current.
N 80764 Supercondenser.
N 81673 Lithium-Ionic Sources of electrical current.
N 85677 Galvanic element and reception method for their electrode materials.

Patents of Ukraine on Utility Models:
N 24159 Storage of electrical energy.
N 34215 Electrode materials for Lithium electro-chemical Sources of current and method of their reception.
N 37278 Modification method by high laser irradiation of nano-porous carbon.

Contact Details

Lyubomyr I. Nykyruy, PhD, Ass. Prof.
Science & Educational Centre Nanomaterials in Accumulation and Generation of Energy Devices in Vasyl Stefanyk PreCarpathian National University,
Address: 57, Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
Tel.: +(380)-342-596179,
Fax: +(380)-3422-31574
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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