{"article":{"annotation":{"article_id":"us-doe-lithium-precoating-fusion-fuel-retention-study-2026","available_at":"2026-10-16T10:37:40.255087Z","geography_revision":"ef6ee0010dda5fe7b240fd514749b43e214c57da73222d2e40ec83b276dd0977","id":"25fe1b6da16855cb8e4baad17063a1112d0b812e344ba9e4d0d4e70f7fbfa9db","input_sha256":"769e870083190d36a2b77217e6850965fcce73facc226205c3c8fe405687fccc","limitations":["Rule-derived subjects are candidates, not verified editorial labels or calibrated model probabilities.","Coverage is distinct from event location. Unknown country/city/coordinates remain absent; no automatic geocoding.","Article geometries keep their stated precision and methodology; reproducing them is not independent coordinate verification."],"method":"controlled-rules-v1","places":[{"admin1":null,"city":null,"coordinate_note":null,"coordinate_reference_system":"OGC:CRS84","coordinate_source":null,"country":"US","evidence":[{"field":"country","language":"en","note":"Explicit preserved editorial country/region; no city or national centroid inferred","source_urls":["https://www.energy.gov/science/fes/articles/limiting-fuel-retention-lithium-future-fusion-devices"]}],"geometry":null,"id":"iso3166-1:US","kind":"country-or-area","labels":{"ar":"الولايات المتحدة الأمريكية","en":"United States of America","es":"Estados Unidos de América","fr":"États-Unis d’Amérique"},"match_status":"candidate","precision":"regional","role":"coverage","uncertainty_m":null}],"rules_sha256":"fb5ad3c27c91cb840f7a0a05f7f64a5cb26ad0374409ff9457f277c7092e22b4","schema_version":1,"subjects":[{"concept_id":"medtop:20000256","confidence":null,"confidence_method":null,"evidence":[{"field":"category+topics","language":"en","note":"Preserved editorial category/topic; broad candidate only","source_urls":["https://www.energy.gov/science/fes/articles/limiting-fuel-retention-lithium-future-fusion-devices"]}],"method":"controlled-rules-v1","rule_id":"energy-broad","status":"candidate"}],"taxonomy_revision":"1f2db31d811fca07e99b16d402c10e2cc2965c9df1c7b41d9be348b40a24e7fb","taxonomy_version":"IPTC Media Topics 2026-Q2"},"api_url":"https://newsverum.com/api/v1/articles/us-doe-lithium-precoating-fusion-fuel-retention-study-2026?lang=fr","category":"energy","content":{"key_points":[],"paragraphs":["Le département américain de l’Énergie a présenté le 15 octobre une étude de rétention du deutérium dans le tokamak DIII-D. Les échantillons prérevêtus de lithium retenaient moins de combustible que ceux exposés à une injection de poudre de lithium pendant le fonctionnement.","L’étude menée par neuf institutions souligne aussi l’importance d’éviter les dépôts de lithium sur les zones froides des parois. Les résultats proviennent d’un article de 2025 dans Nuclear Materials and Energy, et non d’un nouveau réacteur commercial. Les chercheurs prévoient d’étudier la fusion des dépôts de lithium et de combustible."],"sections":[]},"corrections":[],"country":"US","data":{"blocks":[{"description":{"ar":"مقارنة طرق استخدام الليثيوم","de":"Vergleich der Lithium-Aufbringung","en":"Comparison of lithium application methods","es":"Comparación de métodos de aplicación del litio","fr":"Comparaison des méthodes d’application du lithium","pt":"Comparação dos métodos de aplicação de lítio","tr":"Lityum uygulamalarının karşılaştırılması"},"id":"source-record","items":[{"date":"2026-10-15","description":{"ar":"مقارنة طرق استخدام الليثيوم","de":"Vergleich der Lithium-Aufbringung","en":"Comparison of lithium application methods","es":"Comparación de métodos de aplicación del litio","fr":"Comparaison des méthodes d’application du lithium","pt":"Comparação dos métodos de aplicação de lítio","tr":"Lityum uygulamalarının karşılaştırılması"},"label":{"ar":"بحث مواد الاندماج","de":"Fusionsmaterialforschung","en":"Fusion materials research","es":"Investigación de materiales de fusión","fr":"Recherche sur les matériaux de fusion","pt":"Pesquisa de materiais de fusão","tr":"Füzyon malzemeleri araştırması"},"status":"occurred"}],"methodology":{"ar":"تاريخ ملخص الوزارة؛ البحث الأصلي من عام 2025 ويوم التجربة غير محدد. ليست بيانات إنتاج تجاري.","de":"Datum der Ministeriumsübersicht; zugrunde liegender Aufsatz von 2025, Versuchstag nicht angegeben. Keine kommerziellen Produktionsdaten.","en":"Date of the department research highlight; underlying paper dated 2025, experiment day unspecified. Not commercial production data.","es":"Fecha del resumen ministerial; artículo original de 2025, día experimental no indicado. No son datos de producción comercial.","fr":"Date de la synthèse ministérielle; article sous-jacent de 2025, jour d’expérience non précisé. Pas de données de production commerciale.","pt":"Data do resumo ministerial; artigo original de 2025, dia do experimento não informado. Não são dados de produção comercial.","tr":"Bakanlığın araştırma özeti yayımlandığı gün; alttaki makale 2025 tarihli, deney günü belirtilmedi. Ticari üretim verisi değildir."},"sourceUrls":["https://www.energy.gov/science/fes/articles/limiting-fuel-retention-lithium-future-fusion-devices"],"title":{"ar":"بحث مواد الاندماج","de":"Fusionsmaterialforschung","en":"Fusion materials research","es":"Investigación de materiales de fusión","fr":"Recherche sur les matériaux de fusion","pt":"Pesquisa de materiais de fusão","tr":"Füzyon malzemeleri araştırması"},"type":"events","updatedAt":"2026-10-16T10:25:29+00:00"}],"version":1},"data_downloads":[{"formats":{"csv":"https://newsverum.com/api/v1/articles/us-doe-lithium-precoating-fusion-fuel-retention-study-2026/data/source-record?lang=fr&format=csv","json":"https://newsverum.com/api/v1/articles/us-doe-lithium-precoating-fusion-fuel-retention-study-2026/data/source-record?lang=fr&format=json"},"id":"source-record"}],"data_types":["events"],"editorial_illustration":{"alt":"Illustration conceptuelle de la production d’électricité, du stockage et des données connectées.","asset_id":"newsverum-v1-energy","avif_variants":[{"height":320,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-480.avif","width":480},{"height":480,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-720.avif","width":720},{"height":640,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-960.avif","width":960},{"height":800,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-1200.avif","width":1200},{"height":1024,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-1536.avif","width":1536}],"credit":"Newsverum","documentary":false,"height":1024,"kind":"symbolic-editorial-illustration","language":"fr","scope":"topic","url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-1536.webp","variants":[{"height":320,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-480.webp","width":480},{"height":640,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-960.webp","width":960},{"height":1024,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-1536.webp","width":1536}],"width":1536},"event_id":"event-ef2eed37-733e-5c8c-b2c9-9ae451894dc0","event_period":"2026-10-16","event_period_basis":"source-review","id":"us-doe-lithium-precoating-fusion-fuel-retention-study-2026","image":null,"importance":0.6,"language":"fr","modified_at":"2026-10-16T10:36:25+00:00","publication_basis":"publication-record","published_at":"2026-10-16T10:36:25+00:00","reading_minutes":1,"region":"world","section_illustration":{"alt":"Illustration conceptuelle de la production d’électricité, du stockage et des données connectées.","asset_id":"newsverum-v1-energy","avif_variants":[{"height":320,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-480.avif","width":480},{"height":480,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-720.avif","width":720},{"height":640,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-960.avif","width":960},{"height":800,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-1200.avif","width":1200},{"height":1024,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-1536.avif","width":1536}],"credit":"Newsverum","documentary":false,"height":1024,"kind":"symbolic-editorial-illustration","language":"fr","scope":"section","url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-1536.webp","variants":[{"height":320,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-480.webp","width":480},{"height":640,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-960.webp","width":960},{"height":1024,"url":"https://newsverum.com/assets/newsverum/illustrations/v1/energy-1536.webp","width":1536}],"width":1536},"slug":"us-doe-lithium-precoating-fusion-fuel-retention-study-2026","sources":[{"checkedAt":"2026-10-16","name":"US Department of Energy, Fusion Energy Sciences","publishedAt":"2026-10-15","url":"https://www.energy.gov/science/fes/articles/limiting-fuel-retention-lithium-future-fusion-devices"}],"summary":"Le département américain de l’Énergie a présenté le 15 octobre une étude de rétention du deutérium dans le tokamak DIII-D. Les échantillons prérevêtus de lithium retenaient moins de combustible que ceux exposés à une injection de poudre de lithium pendant le fonctionnement.","text":"Le département américain de l’Énergie a présenté le 15 octobre une étude de rétention du deutérium dans le tokamak DIII-D. Les échantillons prérevêtus de lithium retenaient moins de combustible que ceux exposés à une injection de poudre de lithium pendant le fonctionnement.\n\nLe département américain de l’Énergie a présenté le 15 octobre une étude de rétention du deutérium dans le tokamak DIII-D. Les échantillons prérevêtus de lithium retenaient moins de combustible que ceux exposés à une injection de poudre de lithium pendant le fonctionnement.\n\nL’étude menée par neuf institutions souligne aussi l’importance d’éviter les dépôts de lithium sur les zones froides des parois. Les résultats proviennent d’un article de 2025 dans Nuclear Materials and Energy, et non d’un nouveau réacteur commercial. Les chercheurs prévoient d’étudier la fusion des dépôts de lithium et de combustible.","title":"Une étude de fusion favorise le prérevêtement au lithium pour limiter la rétention de combustible","topics":[],"translations":[{"api_url":"https://newsverum.com/api/v1/articles/us-doe-lithium-precoating-fusion-fuel-retention-study-2026?lang=tr","language":"tr","url":"https://newsverum.com/tr/news/us-doe-lithium-precoating-fusion-fuel-retention-study-2026"},{"api_url":"https://newsverum.com/api/v1/articles/us-doe-lithium-precoating-fusion-fuel-retention-study-2026?lang=en","language":"en","url":"https://newsverum.com/en/news/us-doe-lithium-precoating-fusion-fuel-retention-study-2026"},{"api_url":"https://newsverum.com/api/v1/articles/us-doe-lithium-precoating-fusion-fuel-retention-study-2026?lang=ar","language":"ar","url":"https://newsverum.com/ar/news/us-doe-lithium-precoating-fusion-fuel-retention-study-2026"},{"api_url":"https://newsverum.com/api/v1/articles/us-doe-lithium-precoating-fusion-fuel-retention-study-2026?lang=fr","language":"fr","url":"https://newsverum.com/fr/news/us-doe-lithium-precoating-fusion-fuel-retention-study-2026"},{"api_url":"https://newsverum.com/api/v1/articles/us-doe-lithium-precoating-fusion-fuel-retention-study-2026?lang=es","language":"es","url":"https://newsverum.com/es/news/us-doe-lithium-precoating-fusion-fuel-retention-study-2026"},{"api_url":"https://newsverum.com/api/v1/articles/us-doe-lithium-precoating-fusion-fuel-retention-study-2026?lang=de","language":"de","url":"https://newsverum.com/de/news/us-doe-lithium-precoating-fusion-fuel-retention-study-2026"},{"api_url":"https://newsverum.com/api/v1/articles/us-doe-lithium-precoating-fusion-fuel-retention-study-2026?lang=pt","language":"pt","url":"https://newsverum.com/pt/news/us-doe-lithium-precoating-fusion-fuel-retention-study-2026"}],"url":"https://newsverum.com/fr/news/us-doe-lithium-precoating-fusion-fuel-retention-study-2026"},"version":"1"}