{"id":15451,"date":"2025-07-11T09:02:32","date_gmt":"2025-07-11T09:02:32","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=15451"},"modified":"2025-07-11T09:12:28","modified_gmt":"2025-07-11T09:12:28","slug":"hard-carbon-showdown-coconut-shell-starch-bamboo-and-straw","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/fr\/hard-carbon-showdown-coconut-shell-starch-bamboo-and-straw\/","title":{"rendered":"Hard Carbon Showdown\u00a0: coque de noix de coco, amidon, bambou et paille"},"content":{"rendered":"<p>Les batteries sodium-ion ont d\u00e9montr\u00e9 un fort potentiel pour le stockage d&#039;\u00e9nergie \u00e0 grande \u00e9chelle gr\u00e2ce \u00e0 leurs atouts tels que l&#039;abondance des ressources, une s\u00e9curit\u00e9 \u00e9lev\u00e9e et d&#039;excellentes performances \u00e0 basse temp\u00e9rature. En tant que mat\u00e9riau de base de la batterie, l&#039;\u00e9lectrode n\u00e9gative influence directement des param\u00e8tres cl\u00e9s tels que la densit\u00e9 \u00e9nerg\u00e9tique, la performance du cycle et le rendement coulombien initial. Le carbone dur, avec sa structure cristalline d\u00e9sordonn\u00e9e unique et ses nombreux pores, est devenu le mat\u00e9riau d&#039;\u00e9lectrode n\u00e9gative privil\u00e9gi\u00e9 pour les batteries sodium-ion. Ses intercalaires en graphite, ses micropores ferm\u00e9s et ses d\u00e9fauts de surface permettent un stockage efficace du sodium, offrant ainsi des avantages en termes de capacit\u00e9. Actuellement, la cl\u00e9 de l&#039;industrialisation r\u00e9side dans la s\u00e9lection de pr\u00e9curseurs en carbone dur.<\/p>\n\n\n\n<p>Les pr\u00e9curseurs de carbone dur couramment utilis\u00e9s comprennent des mat\u00e9riaux polym\u00e8res biosourc\u00e9s tels que la coque de noix de coco, l&#039;amidon, le bambou et la paille, ainsi que des mati\u00e8res premi\u00e8res chimiques comme l&#039;anthracite, l&#039;asphalte et la r\u00e9sine ph\u00e9nolique. Les produits de carbone dur d\u00e9riv\u00e9s de diff\u00e9rents pr\u00e9curseurs pr\u00e9sentent des performances sensiblement diff\u00e9rentes et leurs structures de co\u00fbts diff\u00e8rent consid\u00e9rablement en raison de la diversit\u00e9 des sources de mati\u00e8res premi\u00e8res.<\/p>\n\n\n\n<p>Cet article analyse les quatre principaux pr\u00e9curseurs de la biomasse \u2014 la coque de noix de coco, l\u2019amidon, le bambou et la paille \u2014 pour \u00e9valuer leurs avantages et inconv\u00e9nients respectifs !<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">1 coque de noix de coco : haute performance mais d\u00e9pendante des importations<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Coconut-Shell-1-1024x1024.webp\" alt=\"\" class=\"wp-image-15452\" style=\"width:804px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Coconut-Shell-1-1024x1024.webp 1024w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Coconut-Shell-1-300x300.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Coconut-Shell-1-100x100.webp 100w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Coconut-Shell-1-768x768.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Coconut-Shell-1-12x12.webp 12w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Coconut-Shell-1-600x600.webp 600w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Coconut-Shell-1.webp 1125w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Avantages : Tr\u00e8s poreux, faible teneur en cendres, industrialisation mature. &nbsp;<\/p>\n\n\n\n<p>La coque de noix de coco, l&#039;enveloppe interne des noix de coco issues des palmiers, est utilis\u00e9e dans le charbon actif, l&#039;artisanat et l&#039;industrie des batteries \u00e0 \u00e9nergie nouvelle. L&#039;entreprise japonaise Kuraray a commercialis\u00e9 du charbon dur \u00e0 base de coque de noix de coco, utilisant des proc\u00e9d\u00e9s tels que la carbonisation, le broyage, le traitement alcalin, la purification thermique et le d\u00e9p\u00f4t chimique en phase vapeur (CVD). &nbsp;<\/p>\n\n\n\n<p>Inconv\u00e9nients : Offre limit\u00e9e, d\u00e9pendance aux importations :&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n<p>La production nationale est insuffisante et sa duret\u00e9 est moindre\u00a0: les noix de coco sont principalement cultiv\u00e9es en Indon\u00e9sie, aux Philippines, au Sri Lanka et en Inde. La principale production chinoise se trouve \u00e0 Hainan (991\u00a0TP3T de production nationale), mais la production annuelle ne couvre qu&#039;environ 6\u00a0GWh de la demande en batteries, ce qui est bien inf\u00e9rieur aux besoins futurs en batteries sodium-ion. Les noix de coco de Hainan ont une duret\u00e9 plus faible en raison d&#039;un ensoleillement plus faible que dans les r\u00e9gions tropicales.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Coconut-Shell-2.webp\" alt=\"\" class=\"wp-image-15453\" style=\"width:728px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Coconut-Shell-2.webp 500w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Coconut-Shell-2-300x300.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Coconut-Shell-2-100x100.webp 100w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Coconut-Shell-2-12x12.webp 12w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<p> &nbsp;<\/p>\n\n\n\n<p>Risques d\u2019importation : Depuis fin 2024, les prix des coques de noix de coco carbonis\u00e9es ont grimp\u00e9 en fl\u00e8che, provoquant une instabilit\u00e9 de la cha\u00eene d\u2019approvisionnement pour les entreprises nationales. &nbsp;<\/p>\n\n\n\n<p>Faible rendement : Le rendement de production de carbone dur \u00e0 partir de coques de noix de coco n&#039;est que de 20%-25%, avec 1 GWh de batteries n\u00e9cessitant environ 1 500 tonnes de carbone dur, exigeant de grandes quantit\u00e9s de mati\u00e8res premi\u00e8res.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">2 Amidon : des sources abondantes mais un traitement complexe<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"652\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Starch-1-1024x652.webp\" alt=\"\" class=\"wp-image-15454\" style=\"width:798px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Starch-1-1024x652.webp 1024w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Starch-1-300x191.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Starch-1-768x489.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Starch-1-18x12.webp 18w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Starch-1-600x382.webp 600w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Starch-1.webp 1167w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Avantages : March\u00e9 stable, faible co\u00fbt. &nbsp;<\/p>\n\n\n\n<p>L&#039;amidon, l&#039;un des biomat\u00e9riaux renouvelables les plus abondants (issus du ma\u00efs, des patates douces, etc.), offre une grande disponibilit\u00e9 et ne pr\u00e9sente aucun risque li\u00e9 \u00e0 un fournisseur unique. Polysaccharide typique, l&#039;amidon pr\u00e9sente une teneur \u00e9lev\u00e9e en carbone et un faible co\u00fbt. Sa morphologie sph\u00e9rique naturelle en fait un pr\u00e9curseur comp\u00e9titif du carbone dur, avec une meilleure consistance (moins d&#039;impuret\u00e9s) que les coques de noix de coco et une biod\u00e9gradabilit\u00e9 accrue, ce qui lui conf\u00e8re un avantage \u00e9cologique.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"730\" height=\"730\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Starch-2.webp\" alt=\"\" class=\"wp-image-15455\" style=\"width:796px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Starch-2.webp 730w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Starch-2-300x300.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Starch-2-100x100.webp 100w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Starch-2-12x12.webp 12w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Starch-2-600x600.webp 600w\" sizes=\"(max-width: 730px) 100vw, 730px\" \/><\/figure>\n\n\n\n<p>Inconv\u00e9nients : Synth\u00e8se complexe, co\u00fbts plus \u00e9lev\u00e9s :<\/p>\n\n\n\n<p>L&#039;amidon est un polym\u00e8re organique de haute puret\u00e9. Bien qu&#039;il permette d&#039;obtenir des morphologies de carbone dur sur mesure gr\u00e2ce \u00e0 des m\u00e9thodes de synth\u00e8se sp\u00e9cifiques, le processus est complexe. Par exemple, le BSTR chinois utilise de l&#039;amidon et d&#039;autres mat\u00e9riaux issus de la biomasse, impliquant des \u00e9tapes telles que la modification, la pyrolyse, la carbonisation et le traitement de surface, ce qui augmente les co\u00fbts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">3 Bambou : Ressource renouvelable avec implication de l&#039;industrie du charbon actif<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"649\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Bamboo-1-1024x649.webp\" alt=\"\" class=\"wp-image-15456\" style=\"width:812px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Bamboo-1-1024x649.webp 1024w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Bamboo-1-300x190.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Bamboo-1-768x486.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Bamboo-1-18x12.webp 18w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Bamboo-1-600x380.webp 600w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Bamboo-1.webp 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Avantages : Croissance rapide, ressources abondantes, transformation mature. &nbsp;<\/p>\n\n\n\n<p>Le bambou est l&#039;une des esp\u00e8ces de bambou les plus cultiv\u00e9es et les plus rentables de Chine, atteignant sa maturit\u00e9 en 5 \u00e0 8 ans. Il est largement r\u00e9pandu des monts Qinling au bassin du Yangts\u00e9 et \u00e0 Ta\u00efwan, avec quelques cultures dans la r\u00e9gion du fleuve Jaune. Son faible co\u00fbt le rend contr\u00f4lable. La production de charbon actif \u00e0 partir de bambou implique un pr\u00e9traitement, une carbonisation et un post-traitement des pr\u00e9curseurs, similaires au graphite artificiel, mais sans graphitisation. Des entreprises de charbon actif comme Yuanli Co. ont p\u00e9n\u00e9tr\u00e9 le march\u00e9 du charbon actif \u00e0 base de bambou gr\u00e2ce \u00e0 des proc\u00e9d\u00e9s similaires (par exemple, la carbonisation). &nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"450\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Bamboo-2.webp\" alt=\"\" class=\"wp-image-15457\" style=\"width:820px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Bamboo-2.webp 640w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Bamboo-2-300x211.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Bamboo-2-18x12.webp 18w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Bamboo-2-600x422.webp 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p>Inconv\u00e9nients : Qualit\u00e9 in\u00e9gale des mati\u00e8res premi\u00e8res :&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n<p>Les variations d&#039;\u00e2ge et d&#039;origine du bambou influent sur les niveaux d&#039;impuret\u00e9s (teneur en cendres\u00a0: 3-5%). Une teneur \u00e9lev\u00e9e en cendres, due \u00e0 l&#039;absorption du sol pendant la croissance, n\u00e9cessite un lavage acide intensif (traitements r\u00e9p\u00e9t\u00e9s ou \u00e0 forte concentration).<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">4 Paille : Abondante mais n\u00e9cessite des solutions d&#039;uniformit\u00e9<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-1-1024x1024.webp\" alt=\"\" class=\"wp-image-15458\" style=\"width:842px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-1-1024x1024.webp 1024w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-1-300x300.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-1-100x100.webp 100w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-1-768x768.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-1-12x12.webp 12w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-1-600x600.webp 600w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-1.webp 1242w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Avantages : D\u00e9chet agricole, co\u00fbt ultra-faible. &nbsp;<\/p>\n\n\n\n<p>La paille, r\u00e9sidu de tiges et de feuilles de cultures comme le riz, le bl\u00e9 et le ma\u00efs, est abondante en Chine (plus d&#039;un milliard de tonnes par an en 2023). Traditionnellement utilis\u00e9e comme engrais ou carburant, elle n&#039;entra\u00eene quasiment aucun co\u00fbt suppl\u00e9mentaire. Des entreprises comme Shengquan Group utilisent le bioraffinage \u00e0 base de solvants pour extraire la lignine et la cellulose de la paille, cr\u00e9ant ainsi des bior\u00e9sines pour des pr\u00e9curseurs de carbone dur uniformes. &nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"740\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-2-1024x740.webp\" alt=\"\" class=\"wp-image-15459\" style=\"width:864px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-2-1024x740.webp 1024w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-2-300x217.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-2-768x555.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-2-18x12.webp 18w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-2-600x433.webp 600w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Straw-2.webp 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Inconv\u00e9nients : Composition complexe, forte teneur en impuret\u00e9s :&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n<p>La paille est compos\u00e9e de cellulose, d&#039;h\u00e9micellulose et de lignine, dont les proportions varient selon la culture et les conditions de croissance. Elle contient \u00e9galement des cendres (par exemple, SiO\u2082), des sels inorganiques et des pesticides, qui peuvent former des phases d&#039;impuret\u00e9s lors de la carbonisation, d\u00e9gradant ainsi les performances \u00e9lectrochimiques.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">Quel carbone dur de biomasse pr\u00e9vaudra ?<\/h2>\n\n\n\n<p>De la performance de la coque de noix de coco \u00e0 la puret\u00e9 de l&#039;amidon, en passant par l&#039;abondance du bambou et le prix avantageux de la paille, chaque pr\u00e9curseur poss\u00e8de des atouts uniques. Le futur march\u00e9 du carbone dur adoptera probablement une coexistence multi-voies. &nbsp;<\/p>\n\n\n\n<p>Concurrence des pr\u00e9curseurs de carbone dur : coque de noix de coco, amidon, bambou, paille, lequel a le plus de perspectives ? &nbsp;<\/p>\n\n\n\n<p>Les batteries sodium-ion ont montr\u00e9 un grand potentiel dans le domaine du stockage d&#039;\u00e9nergie \u00e0 grande \u00e9chelle en raison de leurs avantages tels que des ressources abondantes, une s\u00e9curit\u00e9 \u00e9lev\u00e9e et d&#039;excellentes performances \u00e0 basse temp\u00e9rature. &nbsp;<\/p>\n\n\n\n<p>En tant que mat\u00e9riau de base de la batterie, l&#039;\u00e9lectrode n\u00e9gative influence directement des indicateurs cl\u00e9s tels que la densit\u00e9 \u00e9nerg\u00e9tique, les performances cycliques et le premier rendement coulombien. Le carbone dur est devenu le mat\u00e9riau de choix pour les \u00e9lectrodes n\u00e9gatives des batteries sodium-ion gr\u00e2ce \u00e0 sa structure cristalline d\u00e9sordonn\u00e9e unique et \u00e0 ses pores riches. Ses intercalaires de graphite, ses micropores ferm\u00e9s et ses d\u00e9fauts de surface permettent un stockage efficace du sodium et pr\u00e9sentent un avantage de capacit\u00e9 \u00e9lev\u00e9. Actuellement, la cl\u00e9 de l&#039;industrialisation r\u00e9side dans la s\u00e9lection de pr\u00e9curseurs de carbone dur.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"967\" height=\"802\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Jet-Mills.webp\" alt=\"\" class=\"wp-image-15460\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Jet-Mills.webp 967w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Jet-Mills-300x249.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Jet-Mills-768x637.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Jet-Mills-14x12.webp 14w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/07\/Jet-Mills-600x498.webp 600w\" sizes=\"(max-width: 967px) 100vw, 967px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">Poudre \u00e9pique<\/h2>\n\n\n\n<p>\u00c0 mesure que l\u2019industrie du carbone dur \u00e9volue, <a href=\"https:\/\/www.epicmicron.com\/fr\/products\/\">Poudre \u00e9pique<\/a> emerges as a trusted partner for advanced material solutions. Specializing in precision powder processing equipment, we enable manufacturers to optimize precursor material preparation with our cutting-edge Jet Mill Systems. For hard carbon producers scaling capacity, Epic Powder delivers the process reliability needed to maintain consistent anode quality. Contact our engineering team to discuss your project specifications.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Moulin \u00e0 jet EPIC - Exp\u00e9rience de broyage d&#039;amidon de ma\u00efs pr\u00e9g\u00e9latinis\u00e9 et d&#039;amidon de ma\u00efs\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Lmw4hiy1gnQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f14468-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"14468\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" 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