Storing energy and powering small systems with mechanical springs made of carbon nanotube yarn

Hill, Frances A.; Havel, Timothy F.; Lashmore, D. S.; Schauer, Mark; Livermore, Carol

doi:10.1016/j.energy.2014.08.021

Cited by 18 publications

(39 citation statements)

References 22 publications

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“…Other than conventional steel springs of various geometries, as said above, recent papers have demonstrated the potential of innovative springs based on carbon nanotubes (CNT) [14,[19][20].…”

Section: State Of the Art And Discussionmentioning

confidence: 98%

“…Recent findings in the use of carbon nanotubes for storing energy and powering mechanical and electrical systems have shown that solid elastic systems have great potential in energy storage applications [14]. Nevertheless, springs are elastic parts that have been applied commonly in mechanical products for centuries.…”

Section: State Of the Art And Discussionmentioning

confidence: 99%

“…A well-known elastic component is a coiled spring. The elastic behavior of springs and elastic potential energy per unit volume can be found in literature [14][15].…”

Section: State Of the Art And Discussionmentioning

confidence: 99%

“…The authors measured an output energy of 4.15·10 -8 J, corresponding to an average output power of 1.2 nW for a 35 s run time. The efficiency of the energy conversion is 0.01% [14].…”

Section: State Of the Art And Discussionmentioning

confidence: 99%

“…As far as mechanical energy storage is concerned, in addition to pumped hydroelectric power plants, compressed air energy storage and flywheels which are suitable for large-size and medium-size applications, the latest research has demonstrated that also mechanical springs have potential for energy storage application [14].…”

Section: Introductionmentioning

confidence: 99%

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Benefits and Challenges of Mechanical Spring Systems for Energy Storage Applications

2015

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Storing the excess mechanical or electrical energy to use it at high demand time has great importance for applications at every scale because of irregularities of demand and supply. Energy storage in elastic deformations in the mechanical domain offers an alternative to the electrical, electrochemical, chemical, and thermal energy storage approaches studied in the recent years. The present paper aims at giving an overview of mechanical spring systems' potential for energy storage applications. Part of the appeal of elastic energy storage is its ability to discharge quickly, enabling high power densities. This available amount of stored energy may be delivered not only to mechanical loads, but also to systems that convert it to drive an electrical load. Mechanical spring systems' benefits and limits for storing macroscopic amounts of energy will be assessed and their integration with mechanical and electrical power devices will be discussed.

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Section: State Of the Art And Discussionmentioning

confidence: 98%

Section: State Of the Art And Discussionmentioning

confidence: 99%

“…A well-known elastic component is a coiled spring. The elastic behavior of springs and elastic potential energy per unit volume can be found in literature [14][15].…”

Section: State Of the Art And Discussionmentioning

confidence: 99%

“…The authors measured an output energy of 4.15·10 -8 J, corresponding to an average output power of 1.2 nW for a 35 s run time. The efficiency of the energy conversion is 0.01% [14].…”

Section: State Of the Art And Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations