Term: energy storage efficiency, \(\eta\)
https://doi.org/10.1351/goldbook.E02114

Definition:
The rate of the Gibbs energy storage in an endothermic photochemical reaction divided by the incident irradiance.

Related Terms:
1) efficiency (<em>of a step</em>) (http://doi.org/10.1351/goldbook.E01902).
2) photochemical reaction (<em>of a step</em>) (http://doi.org/10.1351/goldbook.P04585).

Source: PAC, 1996, 68, 2223. 'Glossary of terms used in photochemistry (IUPAC Recommendations 1996)' on page 2240 (https://doi.org/10.1351/pac199668122223)

Citation: 'energy storage efficiency, \(\eta\)' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.E02114

License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.

Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.