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2001
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April
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In the Laboratory
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Structure and Content of Some Primary Batteries
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Michael J. Smith
Departamento de Química, Universidade do Minho, Largo do Paço, 4700-320 Braga, Portugal
Colin A. Vincent
School of Chemistry, University of St. Andrews, St. Andrews, Fife, KY16 9ST, Scotland
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April 2001
Vol. 78 No. 4
p. 519
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| Abstract |
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Lap-top computers, calculators, cameras, CD players, and remote controls rely on efficient, lightweight power sources. In recognition of the economic impact of these power sources and their widespread everyday use, a brief description of these devices is often included in course curricula. However, it is difficult to provide students with appropriate study material. Fortunately a great variety of well-designed, cost- and performance-optimized commercial devices are available, which may provide the basis of simple experiments designed to stimulate the interest of students in the applied electrochemistry of galvanic cells. We describe an experiment that complements electrochemical characterization and allows students to explore the structure of commercial cells and calculate the anode and cathode capacities from the stoichiometry of the cell reaction. These values may be compared with the practical capacity obtained from the controlled discharge of the cells through a resistor.
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| Supplement |
Student handouts and additional information on the experiment are available.
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 Contents |
JCE2001p0519W.doc (MS Word 1.x-5.x)
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| Download |
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| More Information |
Citation |
Smith, Michael J.; Vincent, Colin A. J. Chem. Educ. 2001 78 519.
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Keywords |
Consumer Chemistry; Electrochemistry; Laboratory Instruction; Physical Chemistry; Undergraduate Research
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History |
Created:
Last Updated: |
March 2, 2001
August 31, 2005
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Link to Cover added (April 2004).
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| Home > JCE Print > Journal of Chemical Education > Issues >
2001
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April
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519
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