En elektrisk akkumulator er en transducer og et kemisk system, der kan lagre elektrisk energi i kemiske forbindelser.

I dag findes der følgende typer akkumulatorceller:

• NiCd - Nikkel-Cadmium.
• NiMH - Nikkel-Metal-Hydrid.
• Bly-syre - "normal" og forseglet: SLA (Sealed Lead Acid).
• Lithium-Ion.
• Lithium-Polymer.

Der er delte meninger om "memory"-effekten i NiCd-akkumulatorer eksisterer:

• "memory"-effekten er en myte:
  • James A. Zaun: NiCd Batteries do NOT have "memory"
  • James A. Zaun: NiCd battery "memory" is largely myth.
• "memory"-effekt eksisterer:
  • 2.9) Does the memory effect exist?

Se også

• akkumulator - for andre betydninger.
• batteri (elektricitet)
• energi
• energilagring

Eksterne henvisninger

• MIT, Technology Research News, May 13, 2003: Magnesium Batteries Show Mettle
• Isidor Buchmann: Chapter 8: Choosing the Right Battery Citat"...The NiMH offers good value for the price but falls short in expected cycle life. Although excellent when new, the performance trails off quickly after about 300 cycles due to decreased capacity and rising internal resistance. In comparison, the Li-ion can be used for about 500 cycles. The best cycle count is achieved with NiCd. Properly maintained, the NiCd delivers over 1000 cycles..."
• R/C Battery Clinic
• NiCd Battery FAQ

Primært om bly–syre og solceller

• sandia.gov: Photovoltaic Systems Research & Development: Battery Reports
• William Darden: Car and Deep Cycle Battery Frequently Asked Questions (FAQ), Car Battery and Deep Cycle Battery Information Links List

Fremtidens akkumulator?

• 14 April 2004, Electronicsweekly: NEC reveals organic radical battery details Citat: "...PTMA-based Li-ion cells radical battery can be charged in a little as 30 seconds..."

Transducer

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