July 22, 2020 Presentation Open Access

Neves, Filipe; Esperto, Luís; Figueira, Isabel; Mascarenhas, João; Salgueiro, Rute; Pena Silva, Teresa; Brito Correia, José; de Oliveira, Daniel; Almeida, Patricia

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  <identifier identifierType="DOI">10.5281/zenodo.4605706</identifier>
  <creators>
    <creator>
      <creatorName>Neves, Filipe</creatorName>
      <givenName>Filipe</givenName>
      <familyName>Neves</familyName>
      <affiliation>LNEG</affiliation>
    </creator>
    <creator>
      <creatorName>Esperto, Luís</creatorName>
      <givenName>Luís</givenName>
      <familyName>Esperto</familyName>
      <affiliation>LNEG</affiliation>
    </creator>
    <creator>
      <creatorName>Figueira, Isabel</creatorName>
      <givenName>Isabel</givenName>
      <familyName>Figueira</familyName>
      <affiliation>LNEG</affiliation>
    </creator>
    <creator>
      <creatorName>Mascarenhas, João</creatorName>
      <givenName>João</givenName>
      <familyName>Mascarenhas</familyName>
      <affiliation>LNEG</affiliation>
    </creator>
    <creator>
      <creatorName>Salgueiro, Rute</creatorName>
      <givenName>Rute</givenName>
      <familyName>Salgueiro</familyName>
      <affiliation>LNEG</affiliation>
    </creator>
    <creator>
      <creatorName>Pena Silva, Teresa</creatorName>
      <givenName>Teresa</givenName>
      <familyName>Pena Silva</familyName>
      <affiliation>LNEG</affiliation>
    </creator>
    <creator>
      <creatorName>Brito Correia, José</creatorName>
      <givenName>José</givenName>
      <familyName>Brito Correia</familyName>
      <affiliation>LNEG</affiliation>
    </creator>
    <creator>
      <creatorName>de Oliveira, Daniel</creatorName>
      <givenName>Daniel</givenName>
      <familyName>de Oliveira</familyName>
      <affiliation>LNEG</affiliation>
    </creator>
    <creator>
      <creatorName>Almeida, Patricia</creatorName>
      <givenName>Patricia</givenName>
      <familyName>Almeida</familyName>
      <affiliation>SINTEF</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Processing of tetrahedrite-based thermoelectric materials using tetrahedrite-tennantite copper ores</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2020</publicationYear>
  <subjects>
    <subject>Tetrahedrite</subject>
    <subject>Mechanochemical synthesis</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2020-07-22</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Presentation</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/4605706</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.4605705</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/localenergy_project</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;Tetrahedrite-based compounds are considered a promising thermoelectric material. The tetrahedrite-tennantite series, that can be generically expressed as Cu&lt;sub&gt;6&lt;/sub&gt;[Cu&lt;sub&gt;4&lt;/sub&gt;(Fe,Zn)&lt;sub&gt;2&lt;/sub&gt;](Sb,As)&lt;sub&gt;4&lt;/sub&gt;S&lt;sub&gt;13&lt;/sub&gt;, is one of the most abundant sulfosalt minerals in the earth&amp;rsquo;s crust. The Iberian Pyrite Belt (IPB), located in southern Portugal and Spain, is the host of the largest concentration of massive sulfide deposits worldwide, where the tetrahedrite-tennantite series mineral is one of the constituents. In this work we evaluate the effectiveness of combining synthetic tetrahedrite (ST) with tetrahedrite-tennantite ore samples (TTOS) in the mechanochemical synthesis (MCS) process of tetrahedrite-based compounds. The ore samples were collected from two distinct deposits within the Portuguese part of the IPB, the Neves Corvo mine and the abandoned Barrig&amp;atilde;o copper mine. The ST, also produced by MCS, were mixed with the TTOS in different mass ratios ranging from 20-80%. The influence of the chemical composition and phase constitution of the ore samples and of the mixing ratios will be presented in relation to the micro-structural properties of the obtained materials. The results here described are part of a broader study dedicated to the development of energy-harvesting applications based on tetrahedrite. This work is funded by national funds through the FCT &amp;ndash; Funda&amp;ccedil;&amp;atilde;o para a Ci&amp;ecirc;ncia e a Tecnologia, I.P., under the project PTDC/EAM-PEC/29905/2017 (LocalEnergy project, http://localenergy.lneg.pt).&lt;/p&gt;</description>
    <description descriptionType="Other">This work is funded by national funds through the FCT – Fundação para a Ciência e a Tecnologia, I.P., under the project PTDC/EAM-PEC/29905/2017 (Project LocalEnergy – "Local Resources for Multifunctional Tetrahedrite-based Energy-Harvesting Applications", (http://localenergy.lneg.pt).</description>
  </descriptions>
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