{"version":"1","article":{"id":"egypt-date-seed-carbon-studied-as-supercapacitor-electrode","slug":"egypt-date-seed-carbon-studied-as-supercapacitor-electrode","language":"en","url":"https://haberpaper.com/en/news/egypt-date-seed-carbon-studied-as-supercapacitor-electrode","api_url":"https://haberpaper.com/api/v1/articles/egypt-date-seed-carbon-studied-as-supercapacitor-electrode?lang=en","title":"Date-seed waste studied for supercapacitor carbon electrodes","summary":"Researchers in Egypt prepared activated carbon from date seeds collected in Qena and measured its electrochemical properties in a laboratory three-electrode setup.","category":"energy","region":"world","topics":["electrical-materials","commodities"],"published_at":"2026-10-13T20:11:52+03:00","modified_at":"2026-10-13T20:11:52+03:00","publication_basis":"publication-record","event_period":"2026-10-12","event_period_basis":"event-or-reference-period","sources":[{"name":"Scientific Reports research article","url":"https://www.nature.com/articles/s41598-026-63280-x","checkedAt":"2026-10-13","publishedAt":"2026-10-12"}],"translations":[{"language":"tr","url":"https://haberpaper.com/tr/news/egypt-date-seed-carbon-studied-as-supercapacitor-electrode","api_url":"https://haberpaper.com/api/v1/articles/egypt-date-seed-carbon-studied-as-supercapacitor-electrode?lang=tr"},{"language":"en","url":"https://haberpaper.com/en/news/egypt-date-seed-carbon-studied-as-supercapacitor-electrode","api_url":"https://haberpaper.com/api/v1/articles/egypt-date-seed-carbon-studied-as-supercapacitor-electrode?lang=en"},{"language":"ar","url":"https://haberpaper.com/ar/news/egypt-date-seed-carbon-studied-as-supercapacitor-electrode","api_url":"https://haberpaper.com/api/v1/articles/egypt-date-seed-carbon-studied-as-supercapacitor-electrode?lang=ar"},{"language":"fr","url":"https://haberpaper.com/fr/news/egypt-date-seed-carbon-studied-as-supercapacitor-electrode","api_url":"https://haberpaper.com/api/v1/articles/egypt-date-seed-carbon-studied-as-supercapacitor-electrode?lang=fr"},{"language":"es","url":"https://haberpaper.com/es/news/egypt-date-seed-carbon-studied-as-supercapacitor-electrode","api_url":"https://haberpaper.com/api/v1/articles/egypt-date-seed-carbon-studied-as-supercapacitor-electrode?lang=es"}],"data_types":[],"data":null,"data_compilations":[],"data_downloads":[],"content":{"paragraphs":["Researchers at Qena University and Sohag University in Egypt studied household date-seed waste as a feedstock for activated-carbon supercapacitor electrodes. In the peer-reviewed study published October 12 in Scientific Reports, seeds collected in Qena were pre-carbonized and activated with potassium hydroxide, then treated at 950°C under argon flow. The team characterized pore structure and surface chemistry and measured the material’s electrochemical behavior in the laboratory.","The paper reports a specific surface area of 1,374 m²/g and a pore size of 1.14 nm for the resulting carbon. In a three-electrode test, specific capacitance was calculated as 1,800 F/g at a current density of 4 A/g; the authors estimate 450 F/g for a full two-electrode device, an estimate not presented as a measurement from a built device. The electrode retained 83.3% of its initial discharge capacity after 2,000 charge-discharge cycles at 10 A/g. The results show laboratory-scale carbon-electrode preparation from agricultural waste, not commercial production or proven service life. The article lists Qena University and Sohag University in Egypt as author affiliations."],"key_points":[],"sections":[]},"text":"Researchers in Egypt prepared activated carbon from date seeds collected in Qena and measured its electrochemical properties in a laboratory three-electrode setup.\n\nResearchers at Qena University and Sohag University in Egypt studied household date-seed waste as a feedstock for activated-carbon supercapacitor electrodes. In the peer-reviewed study published October 12 in Scientific Reports, seeds collected in Qena were pre-carbonized and activated with potassium hydroxide, then treated at 950°C under argon flow. The team characterized pore structure and surface chemistry and measured the material’s electrochemical behavior in the laboratory.\n\nThe paper reports a specific surface area of 1,374 m²/g and a pore size of 1.14 nm for the resulting carbon. In a three-electrode test, specific capacitance was calculated as 1,800 F/g at a current density of 4 A/g; the authors estimate 450 F/g for a full two-electrode device, an estimate not presented as a measurement from a built device. The electrode retained 83.3% of its initial discharge capacity after 2,000 charge-discharge cycles at 10 A/g. The results show laboratory-scale carbon-electrode preparation from agricultural waste, not commercial production or proven service life. The article lists Qena University and Sohag University in Egypt as author affiliations.","corrections":[],"editorial_illustration":{"kind":"symbolic-editorial-illustration","documentary":false,"scope":"section","asset_id":"energy","url":"https://haberpaper.com/assets/illustrations/energy-1536.webp","width":1536,"height":1024,"alt":"Symbolic energy landscape with solar panels, wind turbines and transmission lines.","language":"en"},"section_illustration":{"kind":"symbolic-editorial-illustration","documentary":false,"scope":"section","asset_id":"energy","url":"https://haberpaper.com/assets/illustrations/energy-1536.webp","width":1536,"height":1024,"alt":"Symbolic energy landscape with solar panels, wind turbines and transmission lines.","language":"en"}}}