Workflow
二氧化碳资源化利用
icon
Search documents
突破人工光合作用瓶颈 中国团队研发出二氧化碳规模化转化新方案
Xin Lang Cai Jing· 2026-02-01 03:51
研发团队介绍说,植物通过光合作用,巧妙地将结构简单的二氧化碳和水转化为复杂的养分分子,为人 类借助化学手段实现温室气体二氧化碳的资源化利用提供了自然范例。然而,人工模拟光合作用的过程 仍面临科学挑战,其关键瓶颈在于:光激发功能材料所产生的电子(用于还原二氧化碳)与空穴(用于氧化 水)寿命极短,难以实现二者反应的同步与持续进行。 在本项研究中,研发团队模拟植物暂存光生电子的生理机制,创新设计出一种电子存储路径,通过定向 设计、制备材料结构,使其能够在光照时储存电子,并在需要时精准释放,从而实现对二氧化碳与水反 应速率和程度的精确调控。 据悉,这项二氧化碳资源化利用取得重要突破性的进展,由中国科学院地球环境研究所获悉空气净化新 技术团队与合作者共同完成,相关论文近日在国际学术期刊《自然-通讯》上线发表。(完) 本项研究 电子存储方案通用性与实用潜力的验证结果。中国科学院地球环境研究所 供图 基于这一思路,研发团队成功构建出具有电子存储功能的银修饰三氧化钨材料,通过将其与催化活性组 分酞菁钴复合进行验证,测得二氧化碳转化效率较纯酞菁钴提升了近百倍。同时,新方案具备良好的通 用性与适用性,可根据实际需求构建多种结构适 ...
吉利创新中心甲醇制备技术达国际卓越水平,实现核心催化剂国产化量产破局
Core Insights - Geely Innovation Center's carbon dioxide hydrogenation to methanol technology has passed authoritative evaluation, achieving international advanced levels, particularly in catalyst performance which reached exceptional standards [2] Group 1: Technology Development - The technology development focused on overcoming key technical bottlenecks in carbon dioxide hydrogenation to methanol through innovative strategies, including the creation of a complete catalyst preparation process that enhances mechanical strength and water resistance [2] - The catalyst achieved over 99% total conversion rate of CO2 and H2, as well as over 99% total selectivity for methanol [2] Group 2: Pilot Projects and Feasibility - A pilot project for carbon dioxide hydrogenation to methanol has been completed, demonstrating 2000 hours of continuous stable operation without catalyst performance degradation, confirming the engineering feasibility of the technology [4] - The pilot project successfully passed a 72-hour continuous on-site assessment, with core indicators exceeding expectations and impurity levels in crude methanol significantly lower than industry standards [4] Group 3: Commercialization and Market Impact - The catalyst is now capable of mass production and commercial sales, meeting domestic chemical companies' demand for low-carbon methanol production technology and breaking the market monopoly of foreign catalysts [6] - Geely Innovation Center plans to accelerate the industrialization and market promotion of this technology, contributing to the global carbon dioxide resource utilization industry upgrade and supporting the green low-carbon transition [6]
吉利创新中心甲醇催化剂性能达国际领先水平
Zhong Guo Xin Wen Wang· 2025-12-09 07:08
Core Viewpoint - Geely Innovation Center has successfully developed a high-efficiency carbon dioxide hydrogenation to methanol catalyst, achieving international advanced levels in technology evaluation by the China Petroleum and Chemical Industry Federation [2][6]. Group 1: Technological Breakthroughs - After three years of research and development, Geely has overcome key technical bottlenecks in the industry, focusing on two main dimensions: the creation of a complete catalyst preparation process that significantly enhances mechanical strength and water resistance, achieving over 99% total conversion rate of CO2 and H2, and total selectivity for methanol [4]. - The team has completed the large-scale preparation of ton-level catalysts and developed a process package for 100,000 tons of carbon dioxide hydrogenation to methanol, clearing the obstacles for technological scaling [4]. Group 2: Pilot Project Achievements - The pilot project for carbon dioxide hydrogenation to methanol has achieved 2,000 hours of continuous stable operation with no performance degradation, confirming the engineering feasibility of the technology [6]. - The pilot project successfully passed a 72-hour continuous on-site assessment, with results indicating reliable process flow and stable operating conditions, exceeding expectations in core indicators such as total conversion rates and selectivity [6]. Group 3: Commercialization and Future Plans - The catalyst developed by Geely Innovation Center is now capable of mass production and commercial sales, meeting domestic chemical companies' demand for low-carbon methanol production technology and enabling the localization of key materials [8]. - Geely plans to leverage its methanol circular economy ecosystem to accelerate the industrialization and market promotion of this technology, contributing to the global upgrade of carbon dioxide resource utilization and supporting the transition to a green low-carbon economy [8].
吉利创新中心甲醇制备技术达国际领先水平 实现核心催化剂国产化量产突破
Zheng Quan Ri Bao Wang· 2025-12-08 14:00
Core Viewpoint - Geely Innovation Center's self-developed carbon dioxide hydrogenation to methanol technology has passed authoritative evaluation, achieving international advanced level, with catalyst performance recognized as leading globally [1][2] Group 1: Technological Breakthroughs - The technology has overcome key technical bottlenecks in the industry through innovative strategies, resulting in a catalyst preparation process that significantly enhances mechanical strength and water resistance, achieving over 99% total conversion rate of CO2 and H2, and over 99% total selectivity for methanol [1] - The team has completed the scale-up preparation of ton-level catalysts and developed a 100,000-ton-level process package for carbon dioxide hydrogenation to methanol, clearing obstacles for large-scale application [1] Group 2: Pilot Project and Commercialization - The pilot project for carbon dioxide hydrogenation to methanol has achieved 2,000 hours of continuous stable operation with no degradation in catalyst performance, confirming the engineering feasibility of the technology [2] - The pilot project successfully passed a 72-hour continuous on-site assessment, with core indicators exceeding expectations, and impurity levels in crude methanol significantly lower than industry standards [2] - The catalyst is now capable of mass production and commercial sales, meeting domestic chemical enterprises' demand for low-carbon methanol production technology and breaking the market monopoly of overseas catalysts [2] Group 3: Future Plans - Geely Innovation Center plans to leverage its methanol circular economy ecosystem to accelerate the industrialization and market promotion of this technology, contributing to the global carbon dioxide resource utilization industry upgrade and supporting the green low-carbon transition [2]
行业聚焦:全球固体氧化物电解(SOEC)技术行业头部生产商市场份额及排名调查
QYResearch· 2025-11-14 01:15
Core Viewpoint - Solid Oxide Electrolysis Cell (SOEC) technology is a cutting-edge device for efficient electrochemical energy conversion at high temperatures, crucial for large-scale green hydrogen production and CO2 resource utilization [1][2]. Market Overview - The global SOEC technology market is projected to reach $1.684 billion by 2031, with a compound annual growth rate (CAGR) of 37.49% over the next few years [2]. - The top five manufacturers dominate approximately 70% of the market share, with key players including Bloom Energy, Sunfire, Topsoe, Ceres Power, and Fuel Cell Energy [7]. Product Type Segmentation - Standard water electrolysis (SOEC) currently represents the primary product type, accounting for about 95% of the market share [10]. Application Segmentation - Industrial hydrogen production is the main demand source, comprising around 70% of the market [13]. Key Drivers - Decarbonization policies are driving the adoption of SOEC technology, with significant support from government initiatives like the EU hydrogen strategy and the U.S. Inflation Reduction Act [18]. - The urgent need for decarbonization in heavy industries such as steel and chemicals creates strong market demand for SOEC technology, which can effectively integrate industrial waste heat [19]. - SOEC technology addresses the challenges of renewable energy consumption and grid balancing by converting excess electricity into hydrogen or syngas during periods of surplus [20]. Major Challenges - High initial investment and material costs pose significant barriers to the adoption of SOEC technology [21]. - Material durability and long-term lifespan challenges arise from the high-temperature operation of SOEC, affecting its commercial viability [22]. - A fragile supply chain and limitations in raw materials, particularly rare earth elements and special ceramics, hinder large-scale production [23]. Industry Development Opportunities - Future SOEC technology may expand from hydrogen production to co-electrolysis of CO2 and water, creating high-value chemicals and fuels, thus enhancing economic benefits [24]. - Proton-conducting SOEC is emerging as a significant development direction, operating at lower temperatures to improve material longevity and reduce costs [25]. - The industry is restructuring supply chains and developing more economical materials to mitigate supply chain risks and cost pressures [26].
资源化利用二氧化碳有了新“膜”法
Ke Ji Ri Bao· 2025-10-29 03:38
Core Insights - The research team at Nankai University has made significant advancements in the field of acidic membrane electrode electrocatalytic carbon dioxide reduction by innovatively using porous membranes instead of traditional ion exchange membranes, achieving high selectivity and long-term stability in CO2 conversion [1][2] Group 1: Research Findings - The new porous membrane system demonstrated a Faradaic efficiency of 85% for carbon monoxide at a current density of 400 mA/cm², significantly higher than the less than 20% efficiency of ion exchange membrane systems [2] - In a continuous operation test lasting 200 hours, the system maintained a nearly 100% proportion of carbon monoxide in the CO2 reduction products, with minimal by-products and no salt precipitation [2] - The technology showed good scalability and industrial application potential, as it remained stable for over 120 hours in a 100 cm² large-scale electrolyzer, with approximately 90% carbon monoxide proportion [2] Group 2: Implications for Industry - The results provide a new membrane usage and design strategy for acidic membrane electrode CO2 reduction electrolyzers, laying the groundwork for the future synthesis of high-value carbon-based fuels and chemicals [2] - The research team aims to further optimize electrode interface design and actively promote the industrialization of CO2 electrolysis technology [2]
全新催化剂让二氧化碳合成对二甲苯
Ke Ji Ri Bao· 2025-06-17 01:31
Group 1 - A new catalyst has been developed by researchers from Anhui University of Technology and other institutions, enabling the direct synthesis of para-xylene from carbon dioxide and hydrogen, breaking the world record for production efficiency of such catalysts [1][2] - Para-xylene (PX) is a critical raw material for producing chemical products, with an annual demand in China exceeding 30 million tons. The traditional production method relies on processing heavy oil, which is energy-intensive and generates high emissions [1] - The new method utilizes renewable energy to produce hydrogen, which is then reacted with carbon dioxide to manufacture PX, offering a greener alternative to conventional high-energy and high-emission production processes [1] Group 2 - The newly developed "metal oxide-molecular sieve" composite catalyst operates in two parts: the metal oxide facilitates the reaction between carbon dioxide and hydrogen to form simple olefins, while the molecular sieve assembles these olefins into the final PX product [2] - The molecular sieve has been designed with a unique "capsulation" approach to minimize impurities in the final product, resulting in unprecedented production efficiency, with over 1 kilogram of PX produced per kilogram of catalyst in a day [2] - The design concept of the composite catalyst is considered universal, with potential applications in other reaction systems that utilize carbon dioxide and hydrogen to produce high-value chemical products, enabling customized production [2]
中国科学家提出合成化工产品关键原料新工艺
Huan Qiu Wang Zi Xun· 2025-06-11 09:19
Core Viewpoint - A new composite catalyst developed by a research team at Anhui University successfully synthesizes para-xylene directly from carbon dioxide and hydrogen, setting a world record for single-pass space-time yield [1][2] Group 1: Catalyst Development - The new composite catalyst consists of metal oxides and molecular sieves, designed to enhance the selectivity for para-xylene through a "capsule" design and surface passivation to prevent side reactions [1] - The catalyst achieves a single-pass space-time yield of 1000.8 grams of para-xylene using 1000 grams of catalyst over one day, significantly surpassing existing performance levels reported in scientific literature [2] Group 2: Industry Impact - Para-xylene is a critical raw material for producing polyester fibers, coatings, and dyes, with China's annual demand exceeding 30 million tons [1] - Traditional methods for synthesizing para-xylene are energy-intensive and environmentally harmful, consuming approximately 4 tons of oil and emitting about 3 tons of carbon dioxide for every ton produced [1] - The new method utilizing renewable energy for hydrogen production and direct synthesis from carbon dioxide offers a sustainable alternative to conventional high-energy, high-emission processes [1]
环氧丙烷破局:向高附加值转型
Zhong Guo Hua Gong Bao· 2025-06-10 02:59
Core Insights - The Chinese propylene oxide (PO) industry is facing a contradiction where capacity growth outpaces demand, necessitating a shift towards high value-added products as a core strategy for industry breakthrough [1][2] - The Ministry of Industry and Information Technology has emphasized the importance of enhancing the value chain in the fine chemical industry, aiming to develop specialized and innovative products to improve competitiveness [2] Group 1: Industry Challenges and Directions - China's PO capacity is projected to reach 7.47 million tons per year by 2024, accounting for nearly one-third of global capacity, with a self-sufficiency rate of 96% [2] - The apparent consumption of PO in China is estimated at approximately 5.9 million tons in 2024, leading to a classification of PO as a high-risk product by the China Petroleum and Chemical Industry Federation [2] - The industry is encouraged to pursue "incremental innovation" and "stock optimization" to address the challenges posed by rapid capacity expansion [3] Group 2: Incremental Innovation Strategies - Incremental innovation involves developing non-polyurethane products such as high-purity propylene glycol and electronic-grade solutions, which are crucial for sectors like semiconductors and display panels [3][5] - The Ministry of Industry and Information Technology's 2024 edition of the "Guidance Catalog for First Application Demonstration of Key New Materials" highlights support for advanced semiconductor materials, including high-purity chemical reagents [3] Group 3: Stock Optimization Approaches - Stock optimization focuses on enhancing the production of polyether polyols, which are essential for polyurethane materials, in response to the growing demand for high-performance and environmentally friendly products [4] - Innovative technologies, such as the synthesis of polycarbonate diol from carbon dioxide and propylene oxide, have been developed to create biodegradable materials with significant market potential [4] - Companies are encouraged to adjust production layouts based on regional market demands and resource endowments to enhance competitiveness and reduce costs [4] Group 4: Technological Advancements - Various technologies have been successfully implemented to improve the synthesis of PO derivatives, addressing issues of high energy consumption and costs [5][6] - Key innovations include the development of solid catalysts to replace corrosive liquid catalysts, enhancing catalyst utilization, and implementing energy-saving techniques in distillation processes [5][6] - The industry is poised for further breakthroughs in green and energy-efficient processes, contributing to sustainable development in the petrochemical sector [6]