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Figure of merit ZT of a thermoelectric device defined from materials properties
While the thermoelectric materials figure of merit is a well defined metric to evaluate thermoelectric materials, it can be a poor metric for maximum thermoelectric device efficiency because of the temperature dependence of the Seebeck coefficient S , the electrical resistivity ρ , and the thermal c...
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| Published in: | Energy & environmental science 2017-01, Vol.10 (11), p.2280-2283 |
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| Main Authors: | , |
| Format: | Article |
| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c366t-51ddb255c081591750d604e2cb72702b9fbf3486c0d2397d7902e962ff97d243 |
| container_end_page | 2283 |
| container_issue | 11 |
| container_start_page | 2280 |
| container_title | Energy & environmental science |
| container_volume | 10 |
| creator | Snyder, G. Jeffrey Snyder, Alemayouh H. |
| description | While the thermoelectric materials figure of merit
is a well defined metric to evaluate thermoelectric materials, it can be a poor metric for maximum thermoelectric device efficiency because of the temperature dependence of the Seebeck coefficient
S
, the electrical resistivity
ρ
, and the thermal conductivity
κ
where
T
is the absolute temperature. Historically the field has used a thermoelectric device figure of merit
ZT
to characterize a device operating between a hot side temperature
T
h
and cold side temperature
T
c
. While there are many approximate methods to calculate
ZT
from temperature dependent materials properties, an exact method is given here that uses a simple algorithm that can be performed on a spreadsheet calculator. The figure of merit
is defined for a thermoelectric generator using the maximum efficiency of the thermoelectric device
η
calculated from the exact method. |
| doi_str_mv | 10.1039/C7EE02007D |
| format | article |
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is a well defined metric to evaluate thermoelectric materials, it can be a poor metric for maximum thermoelectric device efficiency because of the temperature dependence of the Seebeck coefficient
S
, the electrical resistivity
ρ
, and the thermal conductivity
κ
where
T
is the absolute temperature. Historically the field has used a thermoelectric device figure of merit
ZT
to characterize a device operating between a hot side temperature
T
h
and cold side temperature
T
c
. While there are many approximate methods to calculate
ZT
from temperature dependent materials properties, an exact method is given here that uses a simple algorithm that can be performed on a spreadsheet calculator. The figure of merit
is defined for a thermoelectric generator using the maximum efficiency of the thermoelectric device
η
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is a well defined metric to evaluate thermoelectric materials, it can be a poor metric for maximum thermoelectric device efficiency because of the temperature dependence of the Seebeck coefficient
S
, the electrical resistivity
ρ
, and the thermal conductivity
κ
where
T
is the absolute temperature. Historically the field has used a thermoelectric device figure of merit
ZT
to characterize a device operating between a hot side temperature
T
h
and cold side temperature
T
c
. While there are many approximate methods to calculate
ZT
from temperature dependent materials properties, an exact method is given here that uses a simple algorithm that can be performed on a spreadsheet calculator. The figure of merit
is defined for a thermoelectric generator using the maximum efficiency of the thermoelectric device
η
calculated from the exact method.</description><subject>Approximation</subject><subject>Electrical resistivity</subject><subject>Figure of merit</subject><subject>Heat conductivity</subject><subject>Historical account</subject><subject>Mathematical analysis</subject><subject>Seebeck effect</subject><subject>Temperature</subject><subject>Temperature dependence</subject><subject>Temperature effects</subject><subject>Thermal conductivity</subject><subject>Thermoelectric generators</subject><subject>Thermoelectric materials</subject><issn>1754-5692</issn><issn>1754-5706</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNpFUMFKAzEUDKJgrV78goA3YfUlu0mao9S2CoVe9uRl2U1eNKXbrUkq-PdmqeJp5j3mvRmGkFsGDwxK_ThXiwVwAPV8RiZMiaoQCuT5H5eaX5KrGLcAkoPSE7JZ-vdjQDo42mPwib7VI29p-sDQD7hDk4I31OKXN5jB-T1a6sLQ075N-aTdRXoIwwFD8hivyYXLG7z5xSmpl4t6_lKsN6vX-dO6MKWUqRDM2o4LYWDGhM7hwEqokJtOcQW8065zZTWTBiwvtbJKA0ctuXN54FU5JXent9n584gxNdvhGPbZseHAYCaFVKPq_qQyYYgxoGsOwfdt-G4YNGNfzX9f5Q9sclvQ</recordid><startdate>20170101</startdate><enddate>20170101</enddate><creator>Snyder, G. Jeffrey</creator><creator>Snyder, Alemayouh H.</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7ST</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0003-1414-8682</orcidid><orcidid>https://orcid.org/0000-0001-6980-7636</orcidid></search><sort><creationdate>20170101</creationdate><title>Figure of merit ZT of a thermoelectric device defined from materials properties</title><author>Snyder, G. Jeffrey ; Snyder, Alemayouh H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c366t-51ddb255c081591750d604e2cb72702b9fbf3486c0d2397d7902e962ff97d243</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Approximation</topic><topic>Electrical resistivity</topic><topic>Figure of merit</topic><topic>Heat conductivity</topic><topic>Historical account</topic><topic>Mathematical analysis</topic><topic>Seebeck effect</topic><topic>Temperature</topic><topic>Temperature dependence</topic><topic>Temperature effects</topic><topic>Thermal conductivity</topic><topic>Thermoelectric generators</topic><topic>Thermoelectric materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Snyder, G. Jeffrey</creatorcontrib><creatorcontrib>Snyder, Alemayouh H.</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Environment Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Energy & environmental science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Snyder, G. Jeffrey</au><au>Snyder, Alemayouh H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Figure of merit ZT of a thermoelectric device defined from materials properties</atitle><jtitle>Energy & environmental science</jtitle><date>2017-01-01</date><risdate>2017</risdate><volume>10</volume><issue>11</issue><spage>2280</spage><epage>2283</epage><pages>2280-2283</pages><issn>1754-5692</issn><eissn>1754-5706</eissn><abstract>While the thermoelectric materials figure of merit
is a well defined metric to evaluate thermoelectric materials, it can be a poor metric for maximum thermoelectric device efficiency because of the temperature dependence of the Seebeck coefficient
S
, the electrical resistivity
ρ
, and the thermal conductivity
κ
where
T
is the absolute temperature. Historically the field has used a thermoelectric device figure of merit
ZT
to characterize a device operating between a hot side temperature
T
h
and cold side temperature
T
c
. While there are many approximate methods to calculate
ZT
from temperature dependent materials properties, an exact method is given here that uses a simple algorithm that can be performed on a spreadsheet calculator. The figure of merit
is defined for a thermoelectric generator using the maximum efficiency of the thermoelectric device
η
calculated from the exact method.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/C7EE02007D</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0003-1414-8682</orcidid><orcidid>https://orcid.org/0000-0001-6980-7636</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1754-5692 |
| ispartof | Energy & environmental science, 2017-01, Vol.10 (11), p.2280-2283 |
| issn | 1754-5692 1754-5706 |
| language | eng |
| recordid | cdi_proquest_journals_2010865674 |
| source | Royal Society of Chemistry |
| subjects | Approximation Electrical resistivity Figure of merit Heat conductivity Historical account Mathematical analysis Seebeck effect Temperature Temperature dependence Temperature effects Thermal conductivity Thermoelectric generators Thermoelectric materials |
| title | Figure of merit ZT of a thermoelectric device defined from materials properties |
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