lead-acid accumulator
Definition
Noun: A lead-acid accumulator is a type of rechargeable battery. Its core components are lead electrodes and an electrolyte of dilute sulfuric acid. This electrochemical device stores chemical energy and converts it to electrical energy. Each individual cell within this battery type produces a nominal voltage of approximately 2 volts.
Usage
This term is a technical noun used to describe a specific energy storage technology. * It is commonly found in engineering, automotive, and electrical contexts. * It often appears in technical manuals, specifications, and scientific descriptions.
Examples
- The uninterruptible power supply (UPS) relies on a lead-acid accumulator for backup energy.
- Compared to newer technologies, the lead-acid accumulator is heavier but often more cost-effective.
- Proper maintenance is required to extend the life of a lead-acid accumulator.
Advanced Usage
- Technical Specification: The term is used precisely to distinguish this technology from other battery chemistries like lithium-ion or nickel-metal hydride.
- Example: "The design specifies a 12V lead-acid accumulator, which typically consists of six 2V cells connected in series."
Variants and Related Words
- Lead-acid battery: The most common synonymous term.
- Storage battery: A general term for rechargeable batteries, which includes lead-acid types.
- Secondary cell: A technical term for a rechargeable electrochemical cell.
- Car battery / Automotive battery: A common application of lead-acid accumulator technology.
- SLA (Sealed Lead-Acid): A subtype where the electrolyte is immobilized, making the battery maintenance-free.
Synonyms
- Lead-acid battery
- Storage battery (in this specific context)
- Accumulator (in technical/engineering contexts)
Antonyms / Contrasting Terms
- Primary cell/battery: A non-rechargeable battery (e.g., alkaline AA battery).
- Lithium-ion battery: A different, modern rechargeable battery chemistry.
- Fuel cell: An electrochemical device that generates electricity from a continuous fuel supply, not from stored chemical energy.
Noun
-
a battery with lead electrodes with dilute sulphuric acid as the electrolyte; each cell generates about 2 volts
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