{"id":3014,"date":"2025-03-28T10:38:27","date_gmt":"2025-03-28T02:38:27","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3014"},"modified":"2025-03-28T10:38:30","modified_gmt":"2025-03-28T02:38:30","slug":"porous-carbon-why-it-is-called-a-new-opportunity-for-carbon-based-materials%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/porous-carbon-why-it-is-called-a-new-opportunity-for-carbon-based-materials%ef%bc%9f\/","title":{"rendered":"Carbone poreux : pourquoi est-il consid\u00e9r\u00e9 comme une nouvelle opportunit\u00e9 pour les mat\u00e9riaux \u00e0 base de carbone ?"},"content":{"rendered":"<p>Les mat\u00e9riaux d&#039;anode sont essentiels aux batteries lithium-ion et influencent directement leurs performances. Le graphite, l&#039;anode \u00e0 base de carbone la plus utilis\u00e9e, pr\u00e9sente une faible capacit\u00e9 et une stabilit\u00e9 m\u00e9diocre. Sa s\u00e9curit\u00e9 et ses performances sont difficiles \u00e0 am\u00e9liorer.<br>La recherche de nouveaux mat\u00e9riaux \u00e0 base de carbone pour remplacer les anodes commerciales est un axe de recherche.<br>Parmi les mat\u00e9riaux \u00e0 base de carbone,<a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/ball-mill\/\"> carbone poreux<\/a> Il pr\u00e9sente une surface sp\u00e9cifique \u00e9lev\u00e9e et une morphologie contr\u00f4lable. Sa structure poreuse riche et sa bonne conductivit\u00e9 am\u00e9liorent la stabilit\u00e9 et r\u00e9duisent les co\u00fbts de synth\u00e8se. Le carbone poreux est largement utilis\u00e9 dans le stockage d&#039;\u00e9nergie et la catalyse. Son potentiel pour les batteries au lithium est consid\u00e9rable\u00a0; explorons-le plus en d\u00e9tail.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Avantages des mat\u00e9riaux en carbone poreux pour les batteries au lithium<\/h2>\n\n\n\n<p>Les batteries lithium-ion utilisent les ions lithium comme moyen de transmission d&#039;\u00e9nergie, et les \u00e9lectrodes sont des m\u00e9canismes de stockage \u00e9lectrochimique du lithium int\u00e9gr\u00e9s. Lors de la charge, des ions lithium sont g\u00e9n\u00e9r\u00e9s sur l&#039;\u00e9lectrode positive de la batterie. Ces ions lithium sont d\u00e9sintercal\u00e9s de l&#039;\u00e9lectrode positive et migrent vers l&#039;\u00e9lectrode n\u00e9gative via l&#039;\u00e9lectrolyte. Le mat\u00e9riau carbon\u00e9 constituant l&#039;\u00e9lectrode n\u00e9gative pr\u00e9sente une structure stratifi\u00e9e et de nombreux micropores. Les ions lithium qui atteignent l&#039;\u00e9lectrode n\u00e9gative sont int\u00e9gr\u00e9s dans les micropores du mat\u00e9riau carbon\u00e9. <\/p>\n\n\n\n<p>Plus il y a d&#039;ions lithium int\u00e9gr\u00e9s, plus la capacit\u00e9 de charge est \u00e9lev\u00e9e. \u00c0 ce stade, l&#039;\u00e9lectrode n\u00e9gative est riche en lithium et l&#039;\u00e9lectrode positive est pauvre en lithium. Parall\u00e8lement, la charge de compensation des \u00e9lectrons est fournie \u00e0 l&#039;\u00e9lectrode n\u00e9gative en carbone par le circuit externe, assurant ainsi l&#039;\u00e9quilibre de charge de l&#039;\u00e9lectrode n\u00e9gative. Lors de la d\u00e9charge, les ions lithium quittent l&#039;anode et r\u00e9int\u00e8grent la cathode via l&#039;\u00e9lectrolyte.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"700\" height=\"555\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Lithium-ion-battery-working-principle-diagram.webp\" alt=\"Sch\u00e9ma de principe de fonctionnement d&#039;une batterie lithium-ion\" class=\"wp-image-3015\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Lithium-ion-battery-working-principle-diagram.webp 700w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Lithium-ion-battery-working-principle-diagram-300x238.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Lithium-ion-battery-working-principle-diagram-15x12.webp 15w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<p>En tant qu&#039;anode de batterie lithium-ion, la grande surface sp\u00e9cifique du carbone poreux permet de lier davantage d&#039;ions lithium pour une capacit\u00e9 accrue. Sa structure poreuse complexe offre des chemins de diffusion efficaces et r\u00e9duit la distance de diffusion des ions lithium. Les d\u00e9fauts tels que les lacunes et le dopage par h\u00e9t\u00e9roatomes servent de sites de stockage du lithium. Lors de l&#039;insertion\/extraction du lithium, les contraintes m\u00e9caniques dues aux variations de volume sont minimales, ce qui garantit une bonne stabilit\u00e9 du cycle. Ainsi, le carbone poreux pr\u00e9sente souvent de meilleures performances \u00e9lectrochimiques que le graphite traditionnel.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"616\" height=\"468\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Microporous-lithium-storage-mechanism.webp\" alt=\"M\u00e9canisme de stockage du lithium microporeux\" class=\"wp-image-3016\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Microporous-lithium-storage-mechanism.webp 616w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Microporous-lithium-storage-mechanism-300x228.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Microporous-lithium-storage-mechanism-16x12.webp 16w\" sizes=\"(max-width: 616px) 100vw, 616px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Quelle est la taille optimale des pores pour le carbone poreux ?<\/h2>\n\n\n\n<p>Le carbone poreux peut \u00eatre divis\u00e9 en trois types en fonction de la taille des pores : carbone microporeux (taille des pores inf\u00e9rieure \u00e0 2 nm), carbone m\u00e9soporeux (taille des pores comprise entre 2 et 50 nm) et carbone macroporeux (taille des pores sup\u00e9rieure \u00e0 50 nm).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Carbone microporeux<\/h3>\n\n\n\n<p>Le carbone microporeux pr\u00e9sente une surface sp\u00e9cifique \u00e9lev\u00e9e et une capacit\u00e9 sp\u00e9cifique \u00e9lev\u00e9e comme mat\u00e9riau d&#039;\u00e9lectrode. Les chercheurs ont pr\u00e9par\u00e9 du carbone microporeux \u00e0 grande surface sp\u00e9cifique gr\u00e2ce \u00e0 une m\u00e9thode de mod\u00e9lisation.<br>En tant qu&#039;anode de batterie lithium-ion, elle a montr\u00e9 une grande capacit\u00e9 irr\u00e9versible (2\u00a0547 mA\u00b7h\/g). Cela s&#039;explique par le fait que sa grande surface augmente la zone de formation de SEI.<br>De plus, il offre davantage de sites de liaison pour les groupes fonctionnels contenant de l&#039;oxyg\u00e8ne et de l&#039;hydrog\u00e8ne. Ces groupes fonctionnels subissent des r\u00e9actions irr\u00e9versibles avec les ions lithium, ce qui entra\u00eene une capacit\u00e9 irr\u00e9versible \u00e9lev\u00e9e. Une importante d\u00e9croissance de capacit\u00e9 est observ\u00e9e lors des premiers cycles. Par cons\u00e9quent, le carbone microporeux monostructure n&#039;est pas un mat\u00e9riau d&#039;anode id\u00e9al pour les batteries lithium-ion.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Carbone m\u00e9soporeux<\/h3>\n\n\n\n<p>Le carbone m\u00e9soporeux peut \u00e9galement \u00eatre utilis\u00e9 comme mat\u00e9riau d\u2019anode pour batterie lithium-ion.<br>En utilisant la silice ordonn\u00e9e comme matrice, il est possible de synth\u00e9tiser du carbone m\u00e9soporeux ordonn\u00e9 (CMK-3). Il pr\u00e9sente une capacit\u00e9 r\u00e9versible \u00e9lev\u00e9e et d&#039;excellentes performances en cyclage charge-d\u00e9charge. Apr\u00e8s le premier cycle, la capacit\u00e9 de charge-d\u00e9charge reste stable. En effet, la structure poreuse ordonn\u00e9e minimise la r\u00e9sistance au transport ionique, ce qui assure une stabilit\u00e9 exceptionnelle en cyclage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Carbone macroporeux<\/h3>\n\n\n\n<p>Le carbone macroporeux ordonn\u00e9 pr\u00e9par\u00e9 par la m\u00e9thode du mod\u00e8le peut \u00e9galement \u00eatre utilis\u00e9 comme mat\u00e9riau d&#039;anode de batterie lithium-ion.<br>En utilisant des opales de silice inverses comme mod\u00e8le, du carbone macroporeux ordonn\u00e9 avec une structure de pores interconnect\u00e9s en 3D et des parois de pores graphitis\u00e9es peut \u00eatre synth\u00e9tis\u00e9 via la m\u00e9thode de d\u00e9p\u00f4t chimique en phase vapeur (CVD) utilisant du benz\u00e8ne.<br>En tant qu&#039;anode de batterie lithium-ion, elle maintient une capacit\u00e9 de 320 mA\u00b7h\/g apr\u00e8s 60 cycles \u00e0 200 mA\/g, avec un taux de r\u00e9tention de capacit\u00e9 de 98%.<br>En utilisant le polym\u00e9thacrylate de m\u00e9thyle (PMMA) comme mod\u00e8le, un mat\u00e9riau macroporeux ordonn\u00e9 en 3D peut \u00eatre synth\u00e9tis\u00e9 via la m\u00e9thode sol-gel r\u00e9sorcinol-formald\u00e9hyde.<br>En tant que mat\u00e9riau d&#039;anode, il atteint une capacit\u00e9 de 260 mA\u00b7h\/g \u00e0 1000 mA\/g, avec une r\u00e9tention de capacit\u00e9 83% apr\u00e8s 30 cycles.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Poreux gradu\u00e9<\/h3>\n\n\n\n<p>Cependant, les mat\u00e9riaux en carbone poreux \u00e0 structure \u00e0 pores uniques pr\u00e9sentent in\u00e9vitablement certains inconv\u00e9nients.<br>Pour am\u00e9liorer leurs performances, le carbone poreux hi\u00e9rarchique, qui int\u00e8gre des pores interconnect\u00e9s de diff\u00e9rentes tailles dans une structure gradu\u00e9e, est devenu un axe de recherche. Ses avantages combin\u00e9s sont les suivants\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les micropores offrent une surface sp\u00e9cifique \u00e9lev\u00e9e, am\u00e9liorant la capacit\u00e9 de stockage de charge et augmentant la capacit\u00e9 de la batterie lithium-ion. <\/li>\n\n\n\n<li>Les m\u00e9sopores cr\u00e9ent des canaux de transport rapides pour les ions \u00e9lectrolytes, am\u00e9liorant ainsi l&#039;infiltration des \u00e9lectrolytes.<\/li>\n\n\n\n<li>Les macropores raccourcissent les distances de diffusion des ions, facilitant le transport des ions et garantissant une r\u00e9tention de capacit\u00e9 \u00e9lev\u00e9e dans des conditions de courant \u00e9lev\u00e9.<\/li>\n<\/ul>\n\n\n\n<p><strong>Par exemple:<\/strong><\/p>\n\n\n\n<p>En chauffant simplement du carbonate de lithium et de l&#039;hydrure de lithium, du carbone poreux hi\u00e9rarchique de type \u00e9ponge (Sponge-like HPC) avec une surface sp\u00e9cifique ultra-\u00e9lev\u00e9e (1049 m\u00b2\/g) a \u00e9t\u00e9 synth\u00e9tis\u00e9 de mani\u00e8re \u00e9cologique et efficace, comme le montre la figure.<\/p>\n\n\n\n<p>Lorsqu&#039;il est utilis\u00e9 comme mat\u00e9riau d&#039;anode pour les batteries lithium-ion, le HPC de type \u00e9ponge pr\u00e9sente :<\/p>\n\n\n\n<p>Capacit\u00e9 r\u00e9versible ultra \u00e9lev\u00e9e (1750 mA\u00b7h\/g \u00e0 0,2 A\/g), Stabilit\u00e9 de cyclage exceptionnelle (r\u00e9tention de capacit\u00e9 \u2248100% apr\u00e8s 2000 cycles), Performances de d\u00e9bit exceptionnelles.<\/p>\n\n\n\n<p>Le carbone poreux hi\u00e9rarchique peut \u00e9galement \u00eatre modifi\u00e9 par dopage h\u00e9t\u00e9roatomique, o\u00f9 certains atomes de carbone de la structure poreuse sont remplac\u00e9s par d&#039;autres. En exploitant la diff\u00e9rence d&#039;\u00e9lectron\u00e9gativit\u00e9 entre le carbone et les atomes \u00e9trangers, cette modification ajuste la distribution des charges et la formation de d\u00e9fauts au sein du carbone poreux, am\u00e9liorant ainsi ses propri\u00e9t\u00e9s physicochimiques.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"872\" height=\"343\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Preparation-and-synthesis-mechanism-of-sponge-like-hierarchical-porous-carbon.webp\" alt=\"M\u00e9canisme de pr\u00e9paration et de synth\u00e8se du carbone poreux hi\u00e9rarchique de type \u00e9ponge\" class=\"wp-image-3017\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Preparation-and-synthesis-mechanism-of-sponge-like-hierarchical-porous-carbon.webp 872w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Preparation-and-synthesis-mechanism-of-sponge-like-hierarchical-porous-carbon-300x118.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Preparation-and-synthesis-mechanism-of-sponge-like-hierarchical-porous-carbon-768x302.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Preparation-and-synthesis-mechanism-of-sponge-like-hierarchical-porous-carbon-18x7.webp 18w\" sizes=\"(max-width: 872px) 100vw, 872px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Le carbone poreux a des applications potentielles<\/h2>\n\n\n\n<p>Dans le cadre de leurs recherches, les scientifiques ont d\u00e9velopp\u00e9 une membrane de carbone poreuse en ajoutant du Fe3C pour former des pores en nid d&#039;abeille et en forme de doigts. Cette membrane de carbone poreuse pr\u00e9sente une surface sp\u00e9cifique \u00e9lev\u00e9e. Elle peut servir directement de mat\u00e9riau actif et de collecteur de courant. Ses larges pores offrent un espace interne suffisant pour supporter les variations de volume pendant la charge\/d\u00e9charge. La membrane de carbone poreuse asym\u00e9trique assure un transport d&#039;\u00e9lectrons \u00e0 grande vitesse et favorise la diffusion de l&#039;\u00e9lectrolyte et des ions lithium.<br><\/p>\n\n\n\n<p>Bien que le carbone poreux ne puisse pas \u00e9galer des mat\u00e9riaux comme les nanotubes de carbone ou le graph\u00e8ne en termes de flexibilit\u00e9 et de propri\u00e9t\u00e9s m\u00e9caniques, il constitue un choix id\u00e9al pour une charge de masse d&#039;\u00e9lectrode \u00e9lev\u00e9e.<br>Des recherches futures pourraient explorer la combinaison de carbone poreux avec du graph\u00e8ne ou des nanotubes de carbone. Cela pourrait produire des collecteurs de courant de batteries lithium-ion flexibles de qualit\u00e9 sup\u00e9rieure pour les appareils portables.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Les scientifiques estiment que le carbone poreux pr\u00e9sente un fort potentiel d&#039;utilisation g\u00e9n\u00e9ralis\u00e9e dans les \u00e9lectrodes autoportantes et les collecteurs de courant. En effet, le d\u00e9veloppement des batteries lithium-ion de nouvelle g\u00e9n\u00e9ration privil\u00e9giera une capacit\u00e9 accrue, une dur\u00e9e de vie prolong\u00e9e, un meilleur respect de l&#039;environnement et un co\u00fbt r\u00e9duit. Cela n\u00e9cessitera des collecteurs de courant offrant des performances \u00e9lectrochimiques plus stables, une meilleure conductivit\u00e9, un poids plus l\u00e9ger et un co\u00fbt r\u00e9duit. De plus, les futurs appareils portables n\u00e9cessiteront des collecteurs de courant \u00e0 structure flexible. Par cons\u00e9quent, par rapport aux collecteurs de courant m\u00e9talliques, les collecteurs de courant en nanocarbone offrent des perspectives beaucoup plus larges.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"525\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/ball-milling-classifier-product-line.webp\" alt=\"gamme de produits de classificateurs de broyeurs \u00e0 boulets\" class=\"wp-image-3018\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/ball-milling-classifier-product-line.webp 700w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/ball-milling-classifier-product-line-300x225.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/ball-milling-classifier-product-line-16x12.webp 16w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Poudre EPIC<\/h2>\n\n\n\n<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/\">Poudre \u00e9pique,<\/a>\u00a0Plus de 20 ans d&#039;exp\u00e9rience dans l&#039;industrie des poudres ultrafines. Nous promouvons activement le d\u00e9veloppement futur des poudres ultrafines, en nous concentrant sur les proc\u00e9d\u00e9s de concassage, de broyage, de classification et de modification. Contactez-nous pour une consultation gratuite et des solutions personnalis\u00e9es\u00a0! Notre \u00e9quipe d&#039;experts s&#039;engage \u00e0 vous fournir des produits et services de haute qualit\u00e9 pour optimiser la valeur de vos proc\u00e9d\u00e9s de traitement des poudres. Epic Powder\u00a0: votre expert de confiance en traitement des poudres\u00a0!<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"484\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER.webp\" alt=\"POUDRE \u00c9PIQUE\" class=\"wp-image-2991\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER.webp 860w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER-300x169.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER-768x432.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER-18x10.webp 18w\" sizes=\"(max-width: 860px) 100vw, 860px\" \/><figcaption class=\"wp-element-caption\">POUDRE \u00c9PIQUE<\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"16\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/fr\/wp-json\/wp\/v2\/posts\/3014#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/fr\/wp-json\/wp\/v2\/posts\/3014#wpcf7-f16-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.3\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"keen-form\">\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre nom*\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre email*\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"pnone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-tel\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre Pnone ou Whatsapp*\" value=\"\" type=\"tel\" name=\"pnone\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Votre entreprise\" value=\"\" type=\"text\" name=\"your-subject\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"3\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" placeholder=\"Votre message\" name=\"your-message\"><\/textarea><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Soumettre\" \/>\n\t\t<\/p>\n\t<\/div>\n<\/div>\n<style>\n.keen-form div{margin-bottom:5px;}\n.keen-form div p{margin-bottom:0px !important;}\n.one-half,.one-third {\n position: relative;\n margin-right: 4%;\n float: left;\n z-index: 99;\n}\n.one-half { width: 40%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\nwidth: 40%;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 90%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Les mat\u00e9riaux d&#039;anode sont essentiels aux batteries lithium-ion et influencent directement leurs performances. Le graphite, l&#039;anode \u00e0 base de carbone la plus utilis\u00e9e, pr\u00e9sente une faible capacit\u00e9 et une stabilit\u00e9 m\u00e9diocre. Sa s\u00e9curit\u00e9 et ses performances sont difficiles \u00e0 am\u00e9liorer. La recherche de nouveaux mat\u00e9riaux \u00e0 base de carbone pour remplacer les anodes commerciales est un axe de recherche majeur. Parmi les mat\u00e9riaux \u00e0 base de carbone, le carbone poreux pr\u00e9sente une surface sp\u00e9cifique \u00e9lev\u00e9e et une morphologie contr\u00f4lable. [\u2026]<\/p>","protected":false},"author":1,"featured_media":3019,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3014","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ultrafine-air-classifier"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Porous carbon : why it is called a new opportunity for carbon-based materials\uff1f<\/title>\n<meta name=\"description\" content=\"porous carbon has high surface area and controllable morphology. 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