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POCKET PLATES TECHNOLOGY

POCKET PLATES TECHNOLOGY. Pocket plates technology: composition. To build a plate, cased briquettes called “pockets” are assembled together. Active material, Nickel hydroxide or cadmium hydroxide in briquette. Double- perforated nickel-plated steel strips.

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POCKET PLATES TECHNOLOGY

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  1. POCKET PLATESTECHNOLOGY

  2. Pocket plates technology: composition To build a plate, cased briquettes called “pockets” are assembled together Active material, Nickel hydroxide or cadmium hydroxide in briquette Double- perforated nickel-plated steel strips

  3. Pocket plates technology: assembly Plate tab Pockets Plate frame serves as current collector

  4. Pocket plates technology Stack: group of electrodes with separator Terminal Plate group bars Separating grids Plate groups

  5. Robust and well proven technology Strong mechanical construction – steel structure does not age and is not part of the electrochemical corrosion process The separator eliminates the possibility of short circuits due to trapped active material between the plates Available in L, M, H Most economic Ni-Cd design Design life time 25 years Battery key features

  6. Engine starting Switchgear UPS Pocket plate battery Application segments Security and fire alarm systems Switching and Transmission system Signaling • Process control • Data and information system • Emergency lighting

  7. SINTERED / PBETECHNOLOGY

  8. Sintered plate Technology • Sintering of nickel powder to highly porous and conductive structure • Electrochemical impregnation (filling) with active material • Perforated & nickel plated steel strip

  9. Sintered plate Technology Plate tab Active material for positive electrode : nickel hydroxide

  10. Plastic bonded plate technology • Perforated & nickel plated steel strip • Pasting and drying of active material embedded into organic binder

  11. Plastic Bonded plate Technology Plate tab Active material for negative electrode : cadmium hydroxide Typical orange color PBE plate

  12. Ni-Cd S/PBE Battery Plastic container Plate stack Vent Separator Cover

  13. Battery Key features Small floating current because of the high conductivity of the plate structure High energy density plates High power High charge acceptance at low voltages

  14. Battery Key Benefits • Low maintenance • Requires less space • Requires less capacity for a given power output • Narrow voltage window Crédit Suisse: 384V - 320 Ah - four strings

  15. Engine starting Switchtripping UPS Battery Application segments

  16. ULM - POCKET PLATEBATTERY

  17. Construction Capacity range : 8 to 476 Ah

  18. Recombination pocket plate battery Key features Fiber separator Low pressure flame arresting vent Large excess of negative capacity Internal Gas recombination Low water consumption Ultra Low Maintenance battery

  19. Switch gear UPS Application segments • Process control • Emergency lighting

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