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Title: Thermally driven electrokinetic energy conversion with liquid water microjets

Abstract

One goal of current energy research is to design systems and devices that can efficiently exploit waste heat and utilize solar or geothermal heat energy for electrical power generation. We demonstrate a novel technique exploiting water's large coefficient of thermal expansion, wherein modest thermal gradients produce the requisite high pressure for driving fast-flowing liquid water microjets, which can effect the direct conversion of the kinetic energy into electricity and gaseous hydrogen. Waste heat in thermoelectric generating plants and combustion engines, as well as solar and geothermal energy could be used to drive these systems.

Authors:
 [1];  [2];  [3];  [1]
+ Show Author Affiliations
  1. Univ. of California, Berkeley, CA (United States). Dept. of Chemistry; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Chemical Sciences Division
  2. Univ. of California, Berkeley, CA (United States). Dept. of Chemistry
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Material Sciences Division
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1439181
Alternate Identifier(s):
OSTI ID: 1247761
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Chemical Physics Letters
Additional Journal Information:
Journal Volume: 640; Journal Issue: C; Journal ID: ISSN 0009-2614
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE; 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION

Citation Formats

Lam, Royce K., Gamlieli, Zach, Harris, Stephen J., and Saykally, Richard J. Thermally driven electrokinetic energy conversion with liquid water microjets. United States: N. p., 2015. Web. doi:10.1016/j.cplett.2015.10.027.
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Lam, Royce K., Gamlieli, Zach, Harris, Stephen J., & Saykally, Richard J. Thermally driven electrokinetic energy conversion with liquid water microjets. United States. https://doi.org/10.1016/j.cplett.2015.10.027
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Lam, Royce K., Gamlieli, Zach, Harris, Stephen J., and Saykally, Richard J. Sun . "Thermally driven electrokinetic energy conversion with liquid water microjets". United States. https://doi.org/10.1016/j.cplett.2015.10.027. https://www.osti.gov/servlets/purl/1439181.
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@article{osti_1439181,
title = {Thermally driven electrokinetic energy conversion with liquid water microjets},
author = {Lam, Royce K. and Gamlieli, Zach and Harris, Stephen J. and Saykally, Richard J.},
abstractNote = {One goal of current energy research is to design systems and devices that can efficiently exploit waste heat and utilize solar or geothermal heat energy for electrical power generation. We demonstrate a novel technique exploiting water's large coefficient of thermal expansion, wherein modest thermal gradients produce the requisite high pressure for driving fast-flowing liquid water microjets, which can effect the direct conversion of the kinetic energy into electricity and gaseous hydrogen. Waste heat in thermoelectric generating plants and combustion engines, as well as solar and geothermal energy could be used to drive these systems.},
doi = {10.1016/j.cplett.2015.10.027},
journal = {Chemical Physics Letters},
number = C,
volume = 640,
place = {United States},
year = {Sun Nov 01 00:00:00 EDT 2015},
month = {Sun Nov 01 00:00:00 EDT 2015}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1016/j.cplett.2015.10.027
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    Works referencing / citing this record:

    Power generation from microjet array of liquid water
    journal, June 2018

    • Li, Changzheng; Meng, Pengqiu; Jiang, Haifeng
    • Journal of Physics D: Applied Physics, Vol. 51, Issue 28
    • DOI: 10.1088/1361-6463/aacaa5
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