electrolytic cell
C1+ (Specialised)Technical/Scientific
Definition
Meaning
A device that uses direct electric current to drive a non-spontaneous chemical reaction, decomposing a compound into its elements.
An electrochemical apparatus consisting of electrodes immersed in an electrolyte, where electrical energy causes a chemical change (electrolysis). It is the counterpart to a galvanic cell (battery).
Linguistics
Semantic Notes
Always refers to an electrochemical system requiring an external power source to cause decomposition. Not a source of electricity itself. Often contrasted with 'galvanic cell' or 'voltaic cell'.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Spelling conventions follow national norms for components (e.g., aluminium vs aluminum in examples).
Connotations
None; strictly technical term.
Frequency
Equal frequency in scientific and engineering contexts in both varieties.
Vocabulary
Collocations
Grammar
Valency Patterns
The electrolytic cell [VERB] + [OBJECT].An electrolytic cell [is used] + [to-INFINITIVE].[SUBJECT] + is produced in + [an electrolytic cell].Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “None”
Usage
Context Usage
Business
Discussed in industries like metal refining (aluminium smelting) or chemical production.
Academic
Core concept in chemistry and chemical engineering courses (electrochemistry).
Everyday
Virtually never used.
Technical
Precise description of setup for electrolysis, chloralkali process, electroplating, anodising.
Examples
By Part of Speech
verb
British English
- They will electrolytically refine the copper using a custom-built cell.
American English
- The process electrolytically decomposes water in the cell.
adverb
British English
- The metal was deposited electrolytically.
American English
- The compound was decomposed electrolytically.
adjective
British English
- The electrolytic cell process is central to aluminium production.
American English
- An electrolytic cell setup was demonstrated in the lab.
Examples
By CEFR Level
- A very simple electrolytic cell can split water.
- In an electrolytic cell, electrical energy causes a chemical change.
- The electrolytic cell, powered by a DC source, decomposed molten sodium chloride into sodium and chlorine gas.
- The efficiency of the chloralkali process hinges on the design of the membrane electrolytic cell, which separates the anode and cathode compartments.
Learning
Memory Aids
Mnemonic
Think: ELECTROlytic cell uses ELECTRICity to LYSE (break apart) a compound. It's a 'power-hungry' cell that splits things up.
Conceptual Metaphor
A factory line powered by electricity to dismantle compounds into raw materials.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid confusing with 'гальванический элемент' (galvanic cell). 'Электролитический элемент' is the correct translation.
- The word 'cell' does not mean biological cell ('клетка') here.
Common Mistakes
- Confusing it with a battery (which produces electricity).
- Using 'electrolyte cell' (incorrect; 'electrolytic' is the adjective).
- Misspelling as 'electrolitic'.
Practice
Quiz
What is the primary function of an electrolytic cell?
FAQ
Frequently Asked Questions
An electrolytic cell uses electrical energy to drive a non-spontaneous chemical reaction (electrolysis). A galvanic (voltaic) cell converts chemical energy into electrical energy spontaneously (like a battery).
Yes, it has an anode (positive terminal) and a cathode (negative terminal), connected to the external power source. Oxidation occurs at the anode, reduction at the cathode.
Electroplating, refining metals (e.g., aluminium, copper), producing chlorine and sodium hydroxide (chloralkali process), and anodising aluminium.
Yes, many simple electrolytic cells use a single electrolyte. Industrial cells may use divided cells with membranes or diaphragms to separate products.