NiZn Battery

The need to store energy in batteries for stationary or mobile uses increases continuously, as well as the demand for safe, low cost, environmental friendly and easy to recycle battery systems.

The NiZn battery known since the end of the nineteenth century meets these requirements … but could not be used so far like commercial batteries of today : the rapid formation of zinc anarchic growths, and the massive zinc redistribution on cycling reduced cycle life to only some tens of charge-discharge cycles.

    The battery developed by SCPS totally solves this issue by combining two main components in the zinc electrode :

  • a copper foam used as a mechanical support and a current collector,
  • a mix of conductive ceramic and co-additives added to the active mass.

By completely suppressing the formation of zinc growths, and by reducing drastically the shape changes during cycling, the battery can be cycled more than 1000 times with full discharges, and a capacity loss of 20% of the initial capacity.

This cycling is obtained without addition of water, thanks to a gas recombination process.

Nickel and zinc electrodes are plastic-bonded type, produced by filling their foam collector (nickel for the positive, copper for the negative).

Electrodes thickness can vary in a wide range, from 0.3 to 1.2mm, according to the application.

Based on the flexible design of electrodes, to a low internal impedance resulting from the high conductivity of the electrolyte and from the nature of the separator, the NiZn battery can be designed for applications requesting energy or power.

    Official expertises of the NiZn technology made by industrial groups (EDF, AREVA), R&D centres and Universities (CEA, Bar-Ilan University of Tel-Aviv) have confirmed the main features of the technology:

  • technical performances,
  • cost calculations,
  • industrial potential,
  • environmental compliances,
  • capability to meet a wide range of specifications.

SCPS is solely owner of the Intellectual Property Rights and related know-how necessary to the industrial and commercial implementation of this exclusive technology.

About

Since its foundation, S.C.P.S. places energy and environmental stakes in the centre of its technical and marketing approaches and of its development programmes. These stakes govern our future.

Contact

SCPS – contact {at} scps(.)fr
85-91 Boulevard Alsace-Lorraine
F-93115 Rosny-sous-Bois cedex
Tel. 33 (0)1 48 54 56 36
Fax. 33 (0)1 48 54 54 62