Results 21 to 30 of about 1,563 (107)

氢燃料电池发展的现状与挑战 [PDF]

open access: yes, 2021
本条目为“厦门大学美洲校友会校庆百年论坛”的演示文稿。叶思宇教授是厦门大学1978级化学系校友,1988年获电化学专业博士学位,毕业后赴德国杜伊斯堡大学和加拿大魁北克大学从事博士后研究工作,2000年受邀加入加拿大巴拉德动力系统公司。因在抗反极催化剂研发和其他领域的杰出贡献,2002年被破格提拔为巴拉德公司首席科学家。2018年当选加拿大国家工程院院士,在电化学尤其是燃料电池领域具有30余年研发和产业化经验,是国际公认的燃料电池电催化和膜电极首屈一指的领军人物,为现代燃料电池的发展做出了杰出贡献 ...
叶思宇
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Optimizing CuO on 3D Ordered Macroporous CeO2 for CO Oxidation in Rich Hydrogen

open access: yesRare Metals, Volume 45, Issue 2, February 2026.
ABSTRACT CO preferential oxidation (CO‐PROX) in rich H2 is considered a feasible strategy to solve CO poisoning for fuel cells, but obtaining good activity at low temperatures is still a challenge. Herein, three‐dimensional ordered macroporous (3DOM) CuO/CeO2 catalysts were fabricated by a templating approach, with the metal–support interaction (MSI ...
Xiaohua Chen   +7 more
wiley   +1 more source

Iron Based Selenides: Structures, Compositions and Activities toward Oxygen Reduction Reaction [PDF]

open access: yes, 2016
低温燃料电池包括碱性燃料电池和质子交换膜燃料电池,具有快速启动、比能量高和低温环境等特点,但需要贵金属铂作为催化剂。金属硒化物具有良好的电催化活性和化学稳定性,且成本低廉,是低温燃料电池阴极催化剂的候选材料。本论文采用简单的微波法,快速合成了一系列碳载铁基硒化物纳米催化剂,包括碳载铁硒化物(FeSe2/C)及碳载铁钴硒化物(FeCoSe/C)。通过表征催化剂的晶体结构、表面组成和形貌、微观结构及碳载体石墨化程度,系统探索了碳载体种类及添加顺序、铁源和溶剂种类、微波时间和硒 ...
郑巧玲
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Enhancing the Ionic Conduction of Ceria‐Based Electrolytes for LT‐SOFCs via Entropy Engineering

open access: yesRare Metals, Volume 45, Issue 1, January 2026.
ABSTRACT Developing alternative electrolytes with enhanced ionic conductivity is crucial to reducing the operating temperature of solid oxide fuel cells (SOFCs) for broader applications. Entropy engineering offers many opportunities for material design, presenting a promising avenue to develop new electrolytes.
Xiu‐Xiu Li   +6 more
wiley   +1 more source

Fabrication of Micro Direct Formic Acid Fuel Cell Based on MEMS Technology [PDF]

open access: yes, 2015
微型直接甲酸燃料电池(MicroDirectFormicAcidFuelCell,μ-DFAFC)具有能量转化效率高、膜渗透率低、电催化氧化活性高、补给方便和环境友好等优点,同时其具备的实际能量密度高、室温工作性能优良、燃料储存携带便捷且安全无毒害等优势,使其逐步成为目前微型燃料电池研究和便携式电源领域的热门方向。基于上述优势,本论文采用MEMS(Micro-Electro-MechanicalSystem)技术设计并制备了一款封装性能优良的μ-DFAFC ...
王婷婷
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Recent progress of direct ammonia fuel cells: from materials to transportation applications

open access: yesRare Metals, Volume 44, Issue 6, Page 3686-3708, June 2025.
Graphical Abstract AbstractAmmonia is a promising zero‐carbon alternative fuel. Direct ammonia fuel cells (DAFCs), as an efficient ammonia‐fueled power system, have an extremely high application value in the field of transportation for decarbonization.
Yi Huang   +8 more
wiley   +1 more source

用于可逆固体氧化物燃料电池的新型B位高熵空气电极材料

open access: yesHe jishu
可逆固体氧化物燃料电池(Reversible Solid Oxide Cells,R-SOCs)在可再生能源存储和利用方面极具应用潜力,但其运行效率受到空气电极催化活性和工作稳定性限制。本文提出了一种新型高熵空气电极材料PrBa0.8Ca0.2Fe0.4Co0.4Ni0.4Cu0.4Y0.4O6-δ(PBC-FCNCY),在传统双钙钛矿氧化物PrBa0.8Ca0.2Co2O6-δ(PBCC)的B位引入多元素协同作用,既提升了材料的稳定性,又保持了优异的电化学性能。X射线衍射(X-ray ...
夏 梓汀   +3 more
doaj   +1 more source

Advanced NPs catalysts prepared by Nanoparticles Beam Composite Deposition System [PDF]

open access: yes, 2016
当前社会的发展对能源,尤其是对化石能源的需求日益扩大。化石能源作为一种不可再生资源供需缺口逐渐增大,而且其在利用过程中常伴随着严重的环境污染问题。燃料电池和氢能源作为一种新型绿色能源引起了人们越来越多的重视,具有长远的应用前景和重要的研究意义。直接甲酸燃料电池和电解析氢作为其中关键技术,已得到了大量的关注和长足的发展。目前采用的Pt及Pt基纳米催化剂存在造价高,活性低和寿命短等诸多问题,严重阻碍着燃料电池和氢能源的全面商业化运作。 本文采用课题组自主研发的纳米粒子束流复合沉积系统 ...
林城伟
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Harnessing green microbiology for sustainable water management, agriculture, and energy generation: Current advances and future prospects

open access: yesWorld Water Policy, Volume 10, Issue 3, Page 649-697, August 2024.
Abstract This article presents an in‐depth overview of recent developments and prospects in utilizing green microbiology for sustainable water management. It highlights its vital role across various aspects of water management while underscoring its significance for global development. This article delves deep into microbial processes integral to water
Adenike A. Akinsemolu   +2 more
wiley   +1 more source

The systematic simulation and performance analysis of biomass gasification fuel cell-gas turbine and ground source heat pump combined cycle [PDF]

open access: yes, 2015
生物质气化、地源热泵、燃料电池与燃气轮机联合循环等技术以其清洁、高效、环保等特性,近年来得到国内外众多学者和研究机构的广泛关注。目前针对这几类单项技术的研究已经取得了较多成果,但将这些单项技术进行集成耦合后形成联合循环对其进行系统分析的研究还处于起步阶段,系统的结构、循环的设计、不同单元的规模匹配、部件之间的相互耦合等尚未形成完整的理论体系,需要进行详细的分析和论证。 本文由此提出生物质气化燃料电池-燃气轮机与地源热泵(BGFC-GT-GSHP)的一体化联合循环系统 ...
徐仁超
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