{"id":1013167,"date":"2026-10-23T10:03:26","date_gmt":"2026-10-23T14:03:26","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/e-powers-mid-sulfur-coke-anode-route-achieves-3-2-higher-specific-capacity-than-conventional-low-sulfur-coke\/"},"modified":"2026-10-23T10:03:26","modified_gmt":"2026-10-23T14:03:26","slug":"e-powers-mid-sulfur-coke-anode-route-achieves-3-2-higher-specific-capacity-than-conventional-low-sulfur-coke","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/e-powers-mid-sulfur-coke-anode-route-achieves-3-2-higher-specific-capacity-than-conventional-low-sulfur-coke\/","title":{"rendered":"E-Power\u2019s Mid-Sulfur Coke Anode Route Achieves 3.2% Higher Specific Capacity Than Conventional Low-Sulfur Coke"},"content":{"rendered":"<div class=\"mw_release\">\n<p align=\"justify\">DOVER, USA, Oct.  23, 2026  (GLOBE NEWSWIRE) &#8212;  E-Power Inc. (\u201cE-Power,\u201d the \u201cCompany,\u201d \u201cwe\u201d or \u201cour\u201d) (NASDAQ: EPOW), a provider of advanced battery materials and AI Data Center (AIDC) microgrid solutions, today disclosed technical details of the mid-sulfur petroleum coke raw-material route used by its joint venture, Sunrise (Guizhou) New Energy Materials Co., Ltd. (\u201cSunrise Guizhou\u201d), in its graphite anode materials for energy storage systems (\u201cESS\u201d).<\/p>\n<p align=\"justify\">In side-by-side evaluation at comparable median particle size (Dv50 of approximately 11 \u03bcm), graphite anode material produced from mid-sulfur petroleum coke measured a specific capacity of 357.8 mAh\/g, compared with 346.8 mAh\/g for material produced from conventional low-sulfur coke \u2014 approximately 3.2% higher. Graphitization degree measured 94.8% and 93.9%, respectively.<\/p>\n<p align=\"justify\">\n        <b>Why the Route Works<\/b>\n      <\/p>\n<p align=\"justify\">During high-temperature graphitization, the release of sulfur from mid-sulfur petroleum coke generates additional internal porosity and surface defects, resulting in a modestly higher specific surface area. The mid-sulfur coke feedstock itself develops a greater degree of fibrous structure, which the Company believes accounts for the higher specific capacity measured after graphitization. The internal porosity also improves structural stability, which allows high compacted density and long cycling performance to be pursued together rather than traded off, and is favorable for rate performance and for controlling expansion during cycling.<\/p>\n<p align=\"justify\">\n        <b>Product Line<\/b>\n      <\/p>\n<table style=\"border-collapse: collapse;width:100%;border-collapse:collapse\">\n<tr>\n<td style=\"border-top: solid black 1pt;border-right: solid black 1pt;border-bottom: solid black 1pt;border-left: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">\n            <b>GSD-2<\/b>\n          <\/td>\n<td style=\"border-top: solid black 1pt;border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">\n            <b>M02-3<\/b>\n          <\/td>\n<\/tr>\n<tr>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;border-left: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">\n            <b>Particle structure<\/b>\n          <\/td>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">Single primary particle<\/td>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">Secondary particle combined with primary particle<\/td>\n<\/tr>\n<tr>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;border-left: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">\n            <b>Specific capacity<\/b>\n          <\/td>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">355.3 mAh\/g<\/td>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">353.9 mAh\/g<\/td>\n<\/tr>\n<tr>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;border-left: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">\n            <b>Initial coulombic efficiency<\/b>\n          <\/td>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">94.1%<\/td>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">94.2%<\/td>\n<\/tr>\n<tr>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;border-left: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">\n            <b>Design point<\/b>\n          <\/td>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">350 mAh\/g at 1.60 g\/cc compacted density<\/td>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">350 mAh\/g at 1.60\u20131.65 g\/cc compacted density<\/td>\n<\/tr>\n<tr>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;border-left: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">\n            <b>Development<\/b>\n          <\/td>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">Sampling April 2022; design finalized November 2022<\/td>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">Sampling November 2023; design finalized December 2023<\/td>\n<\/tr>\n<tr>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;border-left: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">\n            <b>Status<\/b>\n          <\/td>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">\n            <b>In commercial supply since June 2023<\/b>\n          <\/td>\n<td style=\"border-right: solid black 1pt;border-bottom: solid black 1pt;text-align: justify;vertical-align: middle;vertical-align: top\">\n            <b>Qualified for mass production; has not yet entered commercial supply<\/b>\n          <\/td>\n<\/tr>\n<\/table>\n<p align=\"justify\">Both products are developed for large-format ESS cells, including the 314 Ah and 587 Ah formats.<\/p>\n<p align=\"justify\">\n        <b>Design Approach<\/b>\n      <\/p>\n<p align=\"justify\">Sunrise Guizhou\u2019s ESS anode development targets three properties in combination: low expansion, low lithium consumption and high consistency. A stable particle structure that maintains low expansion reduces the lithium consumed when the solid electrolyte interphase (SEI) ruptures; a single-particle design reduces the lithium consumed by highly reactive components in pitch binder; and more uniform graphitization improves batch-to-batch consistency, limiting the effect of localized variation on overall performance.<\/p>\n<p align=\"justify\">\n        <b>Intellectual Property<\/b>\n      <\/p>\n<p align=\"justify\">Sunrise Guizhou holds two granted utility model patents relating to the production equipment and process for anode coke and for coating and granulation: \u201cA System for Producing Anode Coke by Batch Coking\u201d (Patent No. ZL201721552539.3, granted July 17, 2018) and \u201cProduction Equipment for Multi-Stage Series Continuous Heating, Coating and Granulation of Anode Materials\u201d (Patent No. ZL201821683803.1, granted September 3, 2019).<\/p>\n<p align=\"justify\">\u201cWe chose the mid-sulfur coke route deliberately, and GSD-2 has been in commercial supply for more than three years, so that choice has been tested in production and not only in the laboratory,\u201d said Mr. Haiping Hu, the founder, CEO and Chairman of E-Power Inc. \u201cWe are setting out the technical basis because shareholders should be able to see what sits behind the product.\u201d<\/p>\n<p align=\"justify\">\n        <b>About E-Power Inc.<\/b>\n      <\/p>\n<p align=\"justify\">E-Power Inc., through its subsidiaries, joint venture and variable interest entity structure, is engaged in the manufacturing and sale of graphite anode material for lithium-ion batteries. Through its joint venture, the Company operates a plant in Guizhou Province, China, powered by electricity from renewable sources, which contributes to the plant\u2019s competitive production costs and reduced environmental impact in the production of graphite anode material. Mr. Haiping Hu, the founder, CEO and Chairman of the Company, has been a pioneer in the graphite anode industry since 1999. The Company\u2019s management team is composed of experts with years of experience and successful track records in the graphite anode industry. For further information, please visit the Company\u2019s website at <a href=\"https:\/\/www.globenewswire.com\/Tracker?data=VCpN4Dz0GQKnGLSNNeGTejqy-ywX-K4YgF05gWG60ceZ_xE5kJxcCpw1XybVLaWmFABktxGD9ciUHMcQr0vrjLQUVA4nl7FHw6DmgluBe529BpX1zzQ6_-FmwpW-zgSG\" rel=\"nofollow\" target=\"_blank\">www.sunrisenewenergy.com<\/a>.<\/p>\n<p align=\"justify\">\n        <b>Forward-looking statement<\/b>\n      <\/p>\n<p align=\"justify\">Certain statements in this press release regarding the Company\u2019s future expectations, plans and prospects constitute forward-looking statements as defined by the Private Securities Litigation Reform Act of 1995. Forward-looking statements include statements about plans, goals, objectives, strategies, future events, expected results, assumptions, the commercialization of M02-3, market acceptance of the Company\u2019s anode materials, the performance of those materials in customer cells and applications, and any statements that are not historical facts. Words such as \u201cmay,\u201d \u201cwill,\u201d \u201cplan,\u201d \u201canticipate,\u201d \u201cshould,\u201d \u201cbelieve,\u201d \u201cexpect,\u201d \u201cestimate,\u201d and similar words, shall be regarded as forward-looking statements. Product data presented in this release were measured under the Company\u2019s own laboratory conditions on the materials described and may differ from results obtained under other conditions or in finished cells. Due to various factors, the actual results may differ materially from the historical results or from those expressed or implied by these forward-looking statements. These factors include, but are not limited to, the Company\u2019s strategic objectives, the Company\u2019s future plans, market demand and user acceptance of the Company\u2019s products or services, technological updates, economic trends, the Company\u2019s reputation and brand, the impact of industry competition, relevant policies and regulations, China\u2019s macroeconomic conditions, international market conditions, and other related risks and assumptions. In view of the above and other related reasons, we advise investors not to place undue reliance on these forward-looking statements, and we urge investors to visit the website of the United States Securities and Exchange Commission to review the Company\u2019s filings for other factors that may affect the Company\u2019s future operating results. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise, except as required by law.<\/p>\n<p align=\"justify\">\n        <b>For more information, please contact:<\/b>\n      <\/p>\n<p align=\"justify\">The Company: IR Department<br \/>Email: <a href=\"https:\/\/www.globenewswire.com\/Tracker?data=UknWOqPDwUte5DiGIP1TXOgcvDG8p9svmW-OvMSjhAbWBEUu2ZwudfzJ6HBrj_DWDflYPrYtVQgeIhjsZYIfwLOzmnVesWwNvNwocWxStMWapvIumWUt36E0Ax7VKNBb\" rel=\"nofollow\" target=\"_blank\">IR@sunrisenewenergy.com<\/a><br \/>Phone: +1 4084890472<\/p>\n<p>      <img decoding=\"async\" alt=\"\" class=\"__GNW8366DE3E__IMG\" src=\"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTg1MTkxMiM3OTEyNzM0IzUwMDA3MjI1OQ==\" \/><br \/>\n      <br \/>\n      <img decoding=\"async\" alt=\"\" src=\"https:\/\/ml.globenewswire.com\/media\/NzllYzMwMTYtZmY5Yy00MWRmLWE3MTktZTAzNzBkNTJmNjQ3LTUwMDA3MjI1OS0yMDI2LTEwLTIzLWVu\/tiny\/E-Power-Inc-.png\" \/>\n    <\/div>\n<div class=\"mw_contactinfo\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>DOVER, USA, Oct. 23, 2026 (GLOBE NEWSWIRE) &#8212; E-Power Inc. (\u201cE-Power,\u201d the \u201cCompany,\u201d \u201cwe\u201d or \u201cour\u201d) (NASDAQ: EPOW), a provider of advanced battery materials and AI Data Center (AIDC) microgrid solutions, today disclosed technical details of the mid-sulfur petroleum coke raw-material route used by its joint venture, Sunrise (Guizhou) New Energy Materials Co., Ltd. (\u201cSunrise Guizhou\u201d), in its graphite anode materials for energy storage systems (\u201cESS\u201d). In side-by-side evaluation at comparable median particle size (Dv50 of approximately 11 \u03bcm), graphite anode material produced from mid-sulfur petroleum coke measured a specific capacity of 357.8 mAh\/g, compared with 346.8 mAh\/g for material produced from conventional low-sulfur coke \u2014 approximately 3.2% higher. Graphitization degree measured 94.8% and 93.9%, respectively. Why the Route Works &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/e-powers-mid-sulfur-coke-anode-route-achieves-3-2-higher-specific-capacity-than-conventional-low-sulfur-coke\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;E-Power\u2019s Mid-Sulfur Coke Anode Route Achieves 3.2% Higher Specific Capacity Than Conventional Low-Sulfur Coke&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-1013167","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>E-Power\u2019s Mid-Sulfur Coke Anode Route Achieves 3.2% Higher Specific Capacity Than Conventional Low-Sulfur Coke - Market Newsdesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marketnewsdesk.com\/index.php\/e-powers-mid-sulfur-coke-anode-route-achieves-3-2-higher-specific-capacity-than-conventional-low-sulfur-coke\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"E-Power\u2019s Mid-Sulfur Coke Anode Route Achieves 3.2% Higher Specific Capacity Than Conventional Low-Sulfur Coke - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"DOVER, USA, Oct. 23, 2026 (GLOBE NEWSWIRE) &#8212; E-Power Inc. (\u201cE-Power,\u201d the \u201cCompany,\u201d \u201cwe\u201d or \u201cour\u201d) (NASDAQ: EPOW), a provider of advanced battery materials and AI Data Center (AIDC) microgrid solutions, today disclosed technical details of the mid-sulfur petroleum coke raw-material route used by its joint venture, Sunrise (Guizhou) New Energy Materials Co., Ltd. (\u201cSunrise Guizhou\u201d), in its graphite anode materials for energy storage systems (\u201cESS\u201d). In side-by-side evaluation at comparable median particle size (Dv50 of approximately 11 \u03bcm), graphite anode material produced from mid-sulfur petroleum coke measured a specific capacity of 357.8 mAh\/g, compared with 346.8 mAh\/g for material produced from conventional low-sulfur coke \u2014 approximately 3.2% higher. Graphitization degree measured 94.8% and 93.9%, respectively. 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Market Newsdesk","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.marketnewsdesk.com\/index.php\/e-powers-mid-sulfur-coke-anode-route-achieves-3-2-higher-specific-capacity-than-conventional-low-sulfur-coke\/","og_locale":"en_US","og_type":"article","og_title":"E-Power\u2019s Mid-Sulfur Coke Anode Route Achieves 3.2% Higher Specific Capacity Than Conventional Low-Sulfur Coke - Market Newsdesk","og_description":"DOVER, USA, Oct. 23, 2026 (GLOBE NEWSWIRE) &#8212; E-Power Inc. (\u201cE-Power,\u201d the \u201cCompany,\u201d \u201cwe\u201d or \u201cour\u201d) (NASDAQ: EPOW), a provider of advanced battery materials and AI Data Center (AIDC) microgrid solutions, today disclosed technical details of the mid-sulfur petroleum coke raw-material route used by its joint venture, Sunrise (Guizhou) New Energy Materials Co., Ltd. (\u201cSunrise Guizhou\u201d), in its graphite anode materials for energy storage systems (\u201cESS\u201d). In side-by-side evaluation at comparable median particle size (Dv50 of approximately 11 \u03bcm), graphite anode material produced from mid-sulfur petroleum coke measured a specific capacity of 357.8 mAh\/g, compared with 346.8 mAh\/g for material produced from conventional low-sulfur coke \u2014 approximately 3.2% higher. Graphitization degree measured 94.8% and 93.9%, respectively. Why the Route Works &hellip; Continue reading \"E-Power\u2019s Mid-Sulfur Coke Anode Route Achieves 3.2% Higher Specific Capacity Than Conventional Low-Sulfur Coke\"","og_url":"https:\/\/www.marketnewsdesk.com\/index.php\/e-powers-mid-sulfur-coke-anode-route-achieves-3-2-higher-specific-capacity-than-conventional-low-sulfur-coke\/","og_site_name":"Market Newsdesk","article_published_time":"2026-10-23T14:03:26+00:00","og_image":[{"url":"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTg1MTkxMiM3OTEyNzM0IzUwMDA3MjI1OQ==","type":"","width":"","height":""}],"author":"Newsdesk","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Newsdesk","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/e-powers-mid-sulfur-coke-anode-route-achieves-3-2-higher-specific-capacity-than-conventional-low-sulfur-coke\/#article","isPartOf":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/e-powers-mid-sulfur-coke-anode-route-achieves-3-2-higher-specific-capacity-than-conventional-low-sulfur-coke\/"},"author":{"name":"Newsdesk","@id":"https:\/\/www.marketnewsdesk.com\/#\/schema\/person\/482f27a394d4fda80ecb5499e519d979"},"headline":"E-Power\u2019s Mid-Sulfur Coke Anode Route Achieves 3.2% Higher Specific Capacity Than Conventional Low-Sulfur Coke","datePublished":"2026-10-23T14:03:26+00:00","mainEntityOfPage":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/e-powers-mid-sulfur-coke-anode-route-achieves-3-2-higher-specific-capacity-than-conventional-low-sulfur-coke\/"},"wordCount":922,"image":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/e-powers-mid-sulfur-coke-anode-route-achieves-3-2-higher-specific-capacity-than-conventional-low-sulfur-coke\/#primaryimage"},"thumbnailUrl":"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTg1MTkxMiM3OTEyNzM0IzUwMDA3MjI1OQ==","inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/e-powers-mid-sulfur-coke-anode-route-achieves-3-2-higher-specific-capacity-than-conventional-low-sulfur-coke\/","url":"https:\/\/www.marketnewsdesk.com\/index.php\/e-powers-mid-sulfur-coke-anode-route-achieves-3-2-higher-specific-capacity-than-conventional-low-sulfur-coke\/","name":"E-Power\u2019s Mid-Sulfur Coke Anode Route Achieves 3.2% Higher Specific Capacity Than Conventional Low-Sulfur Coke - 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