{"id":1697,"date":"2021-08-03T12:52:23","date_gmt":"2021-08-03T16:52:23","guid":{"rendered":"https:\/\/lomiko.com\/the-need-for-our-graphite\/"},"modified":"2026-04-30T15:52:53","modified_gmt":"2026-04-30T19:52:53","slug":"le-besoin-de-graphite","status":"publish","type":"page","link":"https:\/\/lomiko.com\/fr\/mineraux-critiques\/le-besoin-de-graphite\/","title":{"rendered":"Le besoin de graphite"},"content":{"rendered":"

[vc_row][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]Le graphite est un min\u00e9ral naturel compos\u00e9 de carbone, connu pour \u00eatre noir, mou et capable de conduire l\u2019\u00e9lectricit\u00e9, utilis\u00e9 autant dans les crayons que dans les technologies modernes comme les batteries, les t\u00e9l\u00e9phones intelligents, les ordinateurs, etc.[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=\u00a0\u00bbmiddle\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1774802177413{padding-top: 20px !important;padding-bottom: 20px !important;background-image: url(https:\/\/lomiko.com\/wp-content\/uploads\/2021\/08\/why-is-graphite-needed.jpg?id=178) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}\u00a0\u00bb][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

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Pourquoi a-t-on besoin du graphite ?<\/h1>\n<\/div>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]Le monde prend conscience de la r\u00e9alit\u00e9 : notre consommation de combustibles fossiles pour produire de l\u2019\u00e9nergie a un impact n\u00e9gatif sur notre plan\u00e8te.<\/p>\n

Des formes d\u2019\u00e9nergie alternatives et propres, ainsi que des solutions de stockage, sont en plein d\u00e9veloppement. Ce mouvement comprend notamment l\u2019\u00e9lectrification des voitures de consommation et d\u2019autres v\u00e9hicules qui, jusqu\u2019\u00e0 pr\u00e9sent, fonctionnaient \u00e0 l\u2019essence.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space][\/vc_column][\/vc_row][vc_row el_class=\u00a0\u00bbborderbox animate\u00a0\u00bb][vc_column el_class=\u00a0\u00bbborderbox-content\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

Pourquoi c\u2019est important?<\/h2>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row css=\u00a0\u00bb.vc_custom_1774800313357{margin-top: 50px !important;margin-right: 15px !important;margin-left: 15px !important;}\u00a0\u00bb][vc_column][vc_row_inner equal_height=\u00a0\u00bbyes\u00a0\u00bb gap=\u00a0\u00bb35″ css=\u00a0\u00bb.vc_custom_1774723582447{margin-top: -30px !important;}\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb1\/2″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

\n

\"\"<\/p>\n

Les batteries lithium-ion utilisent du graphite comme materiau principal de l\u2019anode<\/div>\n<\/div>\n

[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/2″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

\n

\"\"<\/p>\n

La demande augmente avec les v\u00e9hicules \u00e9lectriques<\/div>\n<\/div>\n

[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner equal_height=\u00a0\u00bbyes\u00a0\u00bb gap=\u00a0\u00bb35″ css=\u00a0\u00bb.vc_custom_1774723582447{margin-top: -30px !important;}\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb1\/2″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

\n

\"\"<\/p>\n

Une production locale r\u00e9duit la d\u00e9pendance aux importations<\/div>\n<\/div>\n

[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/2″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

\n

\"\"<\/p>\n

Soutient la transition \u00e9nerg\u00e9tique en Am\u00e9rique du Nord<\/div>\n<\/div>\n

[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb1\/4″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]\"Graphite\"[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb3\/4″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

Saviez-vous que?<\/h3>\n

Une batterie de v\u00e9hicule \u00e9lectrique peut contenir plusieurs dizaines de kilogrammes de graphite de plus que de lithium. On parle de 20 \u00e0 30 fois plus<\/strong> de graphite que de lithium.<\/p>\n

En moyenne, une batterie de v\u00e9hicule \u00e9lectrique prend 50 kg<\/strong> de graphite comparativement \u00e0 un v\u00e9hicule hybride qui prend 10 kg<\/strong>.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb1\/3″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]Avec la mont\u00e9e des prix des carburants et le besoin urgent de solutions \u00e9cologiques, le graphite jouera un r\u00f4le central dans l\u2019industrie des v\u00e9hicules \u00e9lectriques dans les ann\u00e9es \u00e0 venir.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb2\/3″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]\"EV[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space][\/vc_column][\/vc_row][vc_row el_class=\u00a0\u00bbborderbox animate\u00a0\u00bb][vc_column el_class=\u00a0\u00bbborderbox-content\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

March\u00e9 du graphite<\/h2>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row css=\u00a0\u00bb.vc_custom_1777578770742{margin-right: 15px !important;margin-left: 15px !important;}\u00a0\u00bb][vc_column][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb1\/2″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

    \n
  • Batterie primaire<\/li>\n
  • Batterie secondaire – VE,<\/li>\n
  • Industrie, a\u00e9rospatiale, panneaux solaires<\/li>\n
  • Piles \u00e0 combustible<\/li>\n
  • Industrie nucl\u00e9aire (graphite de qualit\u00e9 ; PBMR, blindage)<\/li>\n
  • A\u00e9rospatiale (rev\u00eatements et dispersion)<\/li>\n
  • C\u00e9ramiques<\/li>\n
  • Lubrifiants<\/li>\n
  • Plastiques thermiques (PEEK \/ PTFE) et plastiques<\/li>\n
  • Industrie de la construction (b\u00e9ton arm\u00e9)<\/li>\n
  • Crayons<\/li>\n
  • \u00c9quipements sportifs (raquette de tennis, badminton, pickleball)<\/li>\n<\/ul>\n

    [\/vc_column_text][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

    Le graphite est essentiel pour la transition \u00e9nerg\u00e9tique<\/h3>\n

    [\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/2″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]\"Graphite[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space][\/vc_column][\/vc_row][vc_row el_class=\u00a0\u00bbborderbox animate\u00a0\u00bb][vc_column el_class=\u00a0\u00bbborderbox-content\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

    Graphite 101<\/h2>\n

    Le graphite poss\u00e8de des qualit\u00e9s extraordinaires et un potentiel d\u2019applications quasi infini dans de nombreux secteurs. C\u2019est l\u2019un des min\u00e9raux non m\u00e9talliques les plus polyvalents au monde, dot\u00e9 de la r\u00e9sistance naturelle la plus \u00e9lev\u00e9e de tous les mat\u00e9riaux. Il est aussi l\u2019un des agents de renforcement les plus l\u00e9gers, tout en \u00e9tant capable de r\u00e9sister \u00e0 des temp\u00e9ratures sup\u00e9rieures \u00e0 3 600 \u00b0C sans perdre en r\u00e9sistance ni en stabilit\u00e9.[\/vc_column_text][\/vc_column][\/vc_row][vc_row full_width=\u00a0\u00bbstretch_row\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1774801785008{margin-bottom: -70px !important;padding-top: 30px !important;padding-bottom: 40px !important;background-color: #CBEFF3 !important;}\u00a0\u00bb][vc_column][vc_row_inner][vc_column_inner width=\u00a0\u00bb1\/3″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]\"Flake<\/p>\n

    Graphite en paillette<\/h3>\n

    C\u2019est la forme de graphite naturel la plus reconnaissable. Il est utilis\u00e9 dans :<\/p>\n

      \n
    • les crayons \u00e0 mine<\/li>\n
    • les technologies \u00e9mergentes comme les batteries lithium-ion<\/li>\n<\/ul>\n

      Il est pr\u00e9sent dans les roches m\u00e9tamorphiques et poss\u00e8de une teneur en carbone de 85 \u00e0 98 %. C\u2019est ce type de graphite qui est essentiel \u00e0 la r\u00e9volution des \u00e9nergies vertes, et c\u2019est pr\u00e9cis\u00e9ment ce graphite en paillettes que l\u2019on retrouve sur la propri\u00e9t\u00e9 La Loutre de Lomiko, au Qu\u00e9bec.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/3″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]\"Amorphous<\/p>\n

      Graphite amorphe<\/h3>\n

      C\u2019est la forme la plus abondante de graphite.
      \nElle a :<\/p>\n

        \n
      • la puret\u00e9 la plus faible des trois types<\/li>\n
      • un co\u00fbt environ quatre fois moins \u00e9lev\u00e9 que le graphite en paillettes<\/li>\n<\/ul>\n

        Gr\u00e2ce \u00e0 sa souplesse, il peut \u00eatre utilis\u00e9 :<\/p>\n

          \n
        • lubrifiant ou graisse industrielle<\/li>\n
        • additif aux alliages m\u00e9talliques<\/li>\n<\/ul>\n

          [\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/3″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]\"High<\/p>\n

          Graphite cristallin \u00e9lev\u00e9<\/h3>\n

          \u00c9galement appel\u00e9 graphite grumeleux ou vein\u00e9, ce type de graphite ne peut \u00eatre extrait qu\u2019au Sri Lanka. Il pr\u00e9sente :<\/p>\n

            \n
          • une puret\u00e9 de 90 \u00e0 99 %<\/li>\n
          • une disponibilit\u00e9 tr\u00e8s limit\u00e9e, ce qui le rend peu viable pour les entreprises ayant besoin de quantit\u00e9s significatives<\/li>\n<\/ul>\n

            [\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

            [vc_row][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]Le graphite est un min\u00e9ral naturel compos\u00e9 de carbone, connu pour \u00eatre noir, mou et capable de conduire l\u2019\u00e9lectricit\u00e9, utilis\u00e9 autant dans les crayons que dans les technologies modernes comme les batteries, les t\u00e9l\u00e9phones intelligents, les ordinateurs, etc.[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=\u00a0\u00bbmiddle\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1774802177413{padding-top: 20px !important;padding-bottom: 20px !important;background-image: url(https:\/\/lomiko.com\/wp-content\/uploads\/2021\/08\/why-is-graphite-needed.jpg?id=178) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}\u00a0\u00bb][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb] Pourquoi…<\/p>\n","protected":false},"author":1,"featured_media":6621,"parent":2725,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1697","page","type-page","status-publish","has-post-thumbnail","hentry","description-off"],"yoast_head":"\nLe besoin de graphite - 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