12月12日，海辰儲能在第三屆生態日活動現場重磅發布全球首個原生8小時長時儲能解決方案 ∞Power8 6.9MW/55.2MWh。方案以8小時儲能系統為底層架構、8小時專用電芯為核心支撐，從電芯到系統均采用原生設計，為行業帶來了首次真正意義上為8小時長時儲能而生的解決方案，標志著全天候綠電時代的來臨。

∞Power8 6.9MW/55.2MWh發布

當下，電動汽車、數據中心等場景電力需求快速增長，全球能源結構正向可變可再生能源加速轉型。然而，新能源發電的間歇性與電力系統所需的穩定靈活之間存在根本矛盾，僅依靠2-4小時的儲能已難以滿足系統平衡需求。

在此背景下，能夠增強電網穩定性、提升新能源消納能力的8小時長時儲能，正成為儲能產業發展的新方向。相較于2-4小時儲能電芯，8小時儲能專用電芯憑借更優的系統集成度以及更高的經濟性，成為長時儲能場景的更優選擇，更好契合全天候、全場景的儲能需求。

作為鋰電長時儲能領域的創領者，海辰儲能持續推動技術進化，致力于打造極致的儲能成本競爭力，進一步鞏固鋰電在長時儲能市場的優勢地位, 加速推動鋰電長時儲能走向規模化、普及化應用。

8小時長時儲能專用系統：降低成本、高效運行、安全可靠

∞Power8 6.9MW/55.2MWh 是專門針對日內長時儲能全天候運營場景的“交鑰匙”方案，其基于高集成度的標準單元進行靈活配置，每個標準單元功率為6.9MW，能量為 55.2MWh。高集成度標準單元由1個中壓模塊和8個儲能模塊組成。通過優化吊裝與接線設計等，方案顯著降低了現場施工強度，部署效率提升了18%，占地面積也較上一代方案減少了23%。同時，產品方案適配獨立儲能電站、風光大基地配儲等場景，同時可應對各種極端環境，更貼合項目對方案設計與工程實施的真實場景需求。

作為原生技術體系的重要組成部分， 其采用了面向長時場景的全新系統架構，具備降低成本、高效運行、安全可靠等顯著優勢：

降低成本：海辰儲能重構了結構框架，省去大量冗余的結構件，不僅顯著降低物料成本，更大幅提升組裝效率。與市面主流的6+MWh系統相比，集成度提升超過10%，集成效率提升30%以上。

統成本優勢

高效運行：通過引入智能控制、仿真等技術及端到端主動均衡策略，使輔源功耗降低超過30%，溫度控制精度提升50%，響應速度提高20%，均衡能力較傳統被動方案提高20倍，均衡效率超過97%。保守測算，僅主動均衡策略，就能為1GWh的長時儲能系統節省超百萬美元。

安全可靠：采用了行業首家量產應用的高強度鋼帶束縛技術，設計了雙泄壓閥協同的快速排爆系統，并在電芯之間采用了新一代高性能隔熱材料，不僅能長時間耐受800℃的極端高溫，更能承受300kPa的巨大壓力而不失效。海辰儲能也是全球第一家通過開門燃燒試驗的廠商，驗證了產品極致的耐熱性能。

系統安全可靠

8小時長時儲能專用電芯：超厚電極技術，實現大容量、高安全、長壽命

原生8小時儲能的核心支撐，在于海辰儲能專為6.9MWh長時儲能系統設計的∞Cell 1300Ah 8h電芯，其具備大容量、超經濟；高安全、真可靠；長壽命、穩回報三大核心價值，堪稱為新能源配儲等場景提供的強大、可靠的“冠軍之芯”。

∞Cell 1300Ah 8h電芯發布

∞Cell 1300Ah 8h單體容量1300Ah，比主流電芯產品提升4倍以上。系統零部件數量減少超30%，有效降低了儲能電站首次投資成本。通過構建從材料本征到系統集成的多層級安全防護體系，使該電芯可以通過嚴苛安全測試，實現熱失控不擴散，保障全生命周期安全。該電芯可以支持25年以上超長時服役，為長時儲能投資提供堅實保障。

克服容量瓶頸的關鍵，在于海辰儲能攻克了極片結構易開裂、電子和離子傳輸速度慢、電解液浸潤困難三大核心難關，研發出具有自主知識產權的“超厚電極技術”。相比海辰儲能上一代電池，新技術的極片厚度大幅提升，這讓8小時電芯在箔材等功率部件上的成本，比2小時電芯降低了超過50%，成功實現了電芯功能與經濟性的完美平衡。

全球首個原生8小時長時儲能解決方案的發布，標志著海辰儲能為8小時長時儲能系統開辟了“原生設計”的全新技術路線。作為鋰電長時儲能賽道的早期布局者，海辰儲能長期深耕，已構建起從587Ah、1175Ah到1300Ah的大容量儲能電芯矩陣，且587Ah與1175Ah電芯都實現了GWh級別的交付，為行業提供了經過充分驗證的大電芯技術路線。同時，∞Power8 6.9MW/55.2MWh也將于2026年四季度實現量產交付。未來，海辰儲能將持續以技術創新為核心，通過全場景定制化的長時儲能解決方案，推動全天候綠電真正成為社會能源供應的新常態。

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December 12, Xiamen, China — At its third Eco-Day, HiTHIUM unveiled the world’s first 8-hour-native battery energy storage solution, the ∞Power8 6.9MW/55.2MWh. Built on an 8-hour long-duration energy storage (LDES) system architecture and supported by a dedicated 8-hour battery cell, the solution adopts a native design from cell to system. It marks the first solution genuinely built for 8-hour LDES, supporting a continuous, all-weather renewable power supply.

With its ability to enhance grid stability and increase the utilization of renewable energy, 8-hour LDES has become a key direction for the industry. Within long-duration technology pathways, lithium stands out as the optimal choice, and the dedicated 8-hour lithium cells offer the best fit for system-level requirements thanks to their higher integration, efficiency, and stability. As a pioneer in lithium-based LDES, HiTHIUM continues to advance technological innovations and strengthen cost competitiveness, further reinforcing lithium's advantages in the long-duration market and accelerating its large-scale, widespread adoption.

ESS: Efficiency Innovations

Safety and Reliability: The system incorporates the industry’s first mass-produced high-strength steel-belt confinement technology, a rapid dual-valve pressure release design, and new-generation high-performance insulation materials between cells. These materials can withstand 800°C extreme temperatures and 300 kPa of pressure without failure. HiTHIUM is also the first company worldwide to pass an open-door fire test, verifying its exceptional thermal resilience.

1300Ah Dedicated 8-Hour Cell: Large Capacity, Superior Safety, Long Lifespan

At the core of the 8-hour-native solution is the ∞Cell 1300Ah 8h, designed for the 6.9MWh BESS. Each cell delivers more than four times the capacity of mainstream products, and reduces system component count by over 30%. HiTHIUM also incorporates multilayer protection from materials to system integration, allowing the product to pass rigorous safety tests with non-propagating thermal runaway. Designed for more than 25 years of operation, it ensures full-lifecycle safety and provides solid long-term returns for long-duration energy storage.

The breakthrough in capacity and cost effectiveness comes from HiTHIUM’s proprietary ultra-thick electrode technology, developed by overcoming key challenges in long-duration cells such as electrode cracking, slow ion-electron transporting, and difficult electrolyte penetration. Compared with the previous-generation ∞Cell 1175Ah, the electrode thickness has been significantly increased, enabling the 8-hour cell to reduce foil and other power component costs by more than 50% versus 2-hour cells, achieving an optimal balance between performance and cost.

As an early mover in lithium-based LDES, HiTHIUM has built a cell portfolio spanning 587Ah, 1175Ah, and 1300Ah, with the first two  have achieved GWh-scale shippment. The ∞Power8 6.9MW/55.2MWh system is scheduled for mass production in Q4 2026.

The launch of the world's first 8-hour-native solution establishes a new technical pathway for long-duration storage, advancing cost-efficiency, safety, and operational performance. HiTHIUM will continue innovating across renewable bases, AIDCs, and other key scenarios to make all-weather green power a new standard in global energy supply.