文 | 中关村储能产业技术联盟 2025年6月11日，海辰储能宣布全球首款千安时长时储能电池∞Cell 1175Ah量产下线，开启长时储能规模化应用的新阶段。 大步领先，率先实现千安时电池量产落地 面对大容量带来更高的系统能量密度，产品安全始终是产品落地的底线。海辰储能的产品安全专家刘枭枭博士介绍，海辰储能 构建了从电芯、模组到系统的多层级多维度安全设计，确保大容量储能系统的全生命周期安全。 电芯层面，使用多级协同调控技术。 电解液采用 " 溶剂化结构调控 +动态成膜 " 双路径技术，在负极石墨和正极铁锂材料表 面构建耐高温的 SEI和CEI膜，实现了 " 界面化学本质安全 +循环寿命 " 双提升的效果。 模组层级，打造 " 双模态热防护结构 " 。 采用 " 电芯间高效隔热层 +耐高温阻燃上盖 " 设计。在电芯间使用低导热系数隔 热层，抑制电芯热蔓延发生，同时使用耐高温、耐火烧模组上盖，避免热失控时上盖被融穿导致氧气反侵电池包引起电池包内 部内部起火。 在系统 BMS层级，采用"功能安全+网络安全"双轮驱动。 通过海辰储能自研多模态预警算法，多维度感知和冗余控制技术， 可做到精准预警，精密监测和精确控制，功 ...

Core Viewpoint - The article highlights the successful mass production of the world's first 1175Ah long-duration energy storage battery by Haicheng Energy Storage, marking a significant advancement in the long-duration energy storage sector [1][3]. Group 1: Product Features and Innovations - The ∞Cell 1175Ah battery is designed specifically for 4-8 hours of long-duration energy storage, offering four key advantages: ultra-large capacity, ultra-long lifespan, ultra-high safety, and ultra-low cost, addressing the lack of dedicated batteries for medium to long-duration storage scenarios [3][5]. - Haicheng Energy Storage has developed a highly efficient production line and testing platform at its Chongqing manufacturing base, overcoming unprecedented challenges in the development of the 1175Ah battery [5]. - Five key innovations have been achieved in the production process, including breakthroughs in coating precision, electrode stacking efficiency, cell structure design, manufacturing efficiency, and membrane consistency [5]. Group 2: Safety Measures - A multi-level safety system has been established to ensure the safety of the high-capacity energy storage system throughout its lifecycle, including advanced technologies for electrolyte management and thermal protection [7][8]. - The battery features a dual-modal thermal protection structure and a sophisticated battery management system (BMS) that ensures both functional and network safety, achieving a safety failure rate of less than 1 part per million [7][8]. Group 3: Market Expansion and Certification - The ∞Cell 1175Ah has received UL1973 and UL9540A certifications from UL Solutions, confirming its safety standards and facilitating its entry into the North American market [9]. - Haicheng Energy Storage has signed a strategic cooperation agreement with El-Mor, a leading EPC company in Israel, to implement its first long-duration energy storage project in Romania, accelerating market expansion [11].

Core Viewpoint - The article highlights the significant growth and strategic positioning of Hai Chen Energy in the global energy storage market, emphasizing its recent IPO application and impressive performance metrics in 2024 [1][3]. Group 1: Performance Metrics - In 2024, Hai Chen Energy achieved a lithium-ion battery shipment volume of 35.1 GWh, capturing an 11% share of the global market, ranking third behind CATL and EVE Energy [1][5]. - The company reported a total revenue of 12.917 billion yuan, with the energy storage battery segment contributing 7.96 billion yuan, accounting for 61.6% of total revenue [1][11]. - The net profit reached 287.6 million yuan, marking a net profit margin of 2.2%, indicating the company's first profitable year [1][5]. Group 2: Strategic Growth - Hai Chen Energy's design capacity surged from 5.4 GWh in 2022 to 62 GWh in 2024, achieving a tenfold increase in just three years [5]. - The company’s shipment volume of 35.1 GWh in 2024 represents a 10.6-fold increase compared to 2022, with a compound annual growth rate of 167%, significantly outpacing the industry average [5]. - The gross profit margin improved from 11.3% in 2022 to 17.9% in 2024, surpassing the average gross profit margin of 16.57% among five listed energy storage battery companies in 2023 [5]. Group 3: Global Expansion - Hai Chen Energy is the only GWh-level player focused solely on the energy storage sector, with successful market entries in China, the US, and Europe, while also exploring emerging markets in the Middle East, Africa, Oceania, and South America [6]. - In 2024, overseas revenue accounted for 28.6% (3.7 billion yuan) of total revenue, breaking the traditional path of "Chinese battery overseas assembly" [6]. Group 4: Business Model - The company employs a differentiated strategy, selling energy storage batteries to system integrators domestically while focusing on energy storage systems and solutions in overseas markets, effectively avoiding domestic competition [7]. - The dual business model of "domestic battery + overseas systems" allows Hai Chen Energy to target high-margin markets in Europe and the US [7]. Group 5: Product Innovations - Hai Chen Energy has made significant advancements in energy storage battery products, including the introduction of a 280Ah battery for large storage projects and a 314Ah battery for overseas applications [11][12]. - The company launched the world's first sodium-ion battery with a cycle life exceeding 20,000 cycles, suitable for extreme conditions [12]. - In the energy storage systems segment, the company delivered a 5MWh liquid-cooled storage system and plans to mass-produce a 6.25MWh long-duration storage system by the second half of 2025 [15].