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一种基于闪蒸冷却技术的燃料电池换热装置

Publication No.: CN114899443A 12/08/2022

Applicant:

中国北方车辆研究所北京理工大学

Absstract of: CN114899443A

本发明属于燃料电池技术领域,具体涉及一种基于闪蒸冷却技术的燃料电池换热装置,包括显热冷却单元、集水单元和闪蒸冷却单元,其中,显热冷却单元连接于燃料电池,用于循环冷却液并冷却燃料电池;集水单元连接于燃料电池和闪蒸冷却单元,用于分离并收集燃料电池产生的水及闪蒸冷却单元的循环废水;闪蒸冷却单元连接于集水单元和显热冷却单元之间,用于在工作时使得燃料电池产生的水汽化并与显热冷却单元配合实现对燃料电池的换热降温。本发明一方面可以利用燃料电池系统生成的水实现高效潜热换热,满足燃料电池系统在大功率工况下的散热需求,另一方面装置布局灵活,提高了燃料电池系统的紧凑性。

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燃料电池电堆气密性测试装置及测试方法

Publication No.: CN114899455A 12/08/2022

Applicant:

浙江锋源氢能科技有限公司锋源新创科技(北京)有限公司

Absstract of: CN114899455A

本发明提供一种燃料电池电堆气密性测试装置及测试方法,其中的测试装置包括:压力流体源;进气管路组件,其一端通过压力控制部件与压力气源连通,进气管路组件包括流量测试管路组件,流量测试管路组件设有第一流量计且包括多根并联的第一支管,多根第一支管流体出口端能够分别一一对应地与燃料电池电堆具有的多个腔室可控连通;多根排空管路组件,每根排空管路组件上皆串联有第二流量计。本发明能够准确得到相应的某一腔室向其他各个腔室的串漏量,并可以通过对第一流量计及第二流量计的变化量的差值得出前述某一腔室在同一压力下的外泄露量,测试结果准确、能够有效降低测试时间与测试成本,提高测试效率。

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一种燃料电池用脉冲式引射器测试装置及方法

Publication No.: CN114899456A 12/08/2022

Applicant:

南通理工学院

Absstract of: CN114899456A

本发明公开了一种燃料电池用脉冲式引射器测试装置,所述燃料电池用脉冲式引射器测试装置包括开关阀,开关阀的输入端与气源相连通,输出端与减压阀相连通,减压阀的输出端与气液换热器相连通,气液换热器同时与第一电控调节阀、电控截止阀和温度调节装置相连通,第一电控调节阀与温度调节装置相连通,温度调节装置通过第二电控调节阀与压力缓冲罐相连通,电控截止阀与喷射器相连通,喷射器和引射器相连通,引射器同时与压力缓冲罐和电控比例阀相连通,电控比例阀与压力缓冲罐相连通,电控比例阀和压力缓冲罐之间的管路上设置有第一流量计,压力缓冲罐与第二流量计相连通;具有结构简单、测试效果好等优点。

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一种锰铁液流电池及其制造方法

Publication No.: CN114899466A 12/08/2022

Applicant:

中山大学

Absstract of: CN114899466A

本发明属于电池领域,公开了一种锰铁液流电池及其制造方法。本发明的锰铁液流电池包括一节电池单元或两节以上电池单元串联而成的电池模块、电解液储液罐、循环泵、循环管、控制系统;其中,电池单元包括正极电解液、负极电解液、电极、电极板;正极电解液为含锰离子(Ⅱ或Ⅲ)的酸性溶液,负极电解液为含有铁离子(Ⅱ或Ⅲ)的酸性溶液。本发明的锰铁液流电池具有材料成本低、电池充放电效率相对较高、电池循环充放电寿命长、储能稳定、安全性高及后期维护容易的特点。

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COMPOSITION FOR MANUFACTURING AN ELECTRODE, ASSOCIATED ELECTRODE AND METHOD

Publication No.: FR3119713A1 12/08/2022

Applicant:

UNIV GRENOBLE ALPES [FR]
CENTRE NAT RECH SCIENT [FR]
INST POLYTECHNIQUE GRENOBLE [FR]
COMMISSARIAT ENERGIE ATOMIQUE [FR]

WO_2022167458_A1

Absstract of: WO2022167458A1

The invention relates to a composition (1) for manufacturing an electrode (2), the composition comprising an electrically conductive compound made from carbon, at least one species suitable for forming a catalyst, and cellulose microfibrils encapsulating chitosan. The cellulose microfibrils create a fibrous mesh binding the composition while limiting the coating of the catalyst. The catalyst therefore remains accessible to the surrounding environment, in order to allow redox reactions at the electrode. The electrochemical performances of the electrode are thus improved. The composition (1) is moreover particularly suitable for the shaping (40) of electrodes by 3D printing.

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CATALYST INK FOR USE IN FORMING ELECTRODE CATALYST LAYER, AND METHOD FOR PRODUCING MEMBRANE ELECTRODE ASSEMBLY

Publication No.: CN114902451A 12/08/2022

Applicant:

凸版印刷株式会社

WO_2021117522_A1

Absstract of: WO2021117522A1

Provided are: a catalyst ink that can be directly applied on a polyelectrolyte membrane without causing crimps or cracks, or without diminishing performance; and a membrane electrode assembly using said catalyst ink. This catalyst ink for use in forming an electrode catalyst layer contains, in a solvent, a polyelectrolyte and catalyst-carrying carbon particles on which a catalyst is carried, and contains carbon fibers and/or organic electrolyte fibers. The catalyst ink has a particle grain-size distribution in which peaks are present within a range of 0.1-1 μm and a range of 1-10 μm. Said catalyst ink is applied directly on a polyelectrolyte membrane (9) to produce a membrane electrode assembly.

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FUEL CELL SEPARATOR

Publication No.: CN114902457A 12/08/2022

Applicant:

丰田车体株式会社

JP_2021163534_A

Absstract of: WO2021199499A1

A fuel cell separator (20) has: a plurality of ridges (31, 41) configured to extend in parallel with each other at an interval therebetween and come into contact with a power generation part; and gas flow path parts (32, 42) each configured to extend, in a portion between two ridges adjacent to each other, along the ridges and allow a reaction gas to flow therethrough. The gas flow path parts are each provided with a plurality of ribs (50) that project toward the power generation part and that extend along an extension direction of the gas flow path part. The plurality of ribs include: a plurality of first ribs (60) arranged in parallel with each other at an interval therebetween in an arrangement direction of the ridges; and a second rib (70) located between the first ribs in the arrangement direction. A spaced part (63) spaced apart from the power generation part is provided to the downstream-side end of each of the first ribs. An inclination part (72) inclined so as to be closer to the power generation part toward the downstream side is provided to the upstream-side end of the second rib. At least a portion of the inclination part is located on the downstream side relative to at least a portion of the spaced part.

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METHOD FOR OPERATING A FUEL CELL SYSTEM AND CONTROL DEVICE FOR SAME

Publication No.: CN114902459A 12/08/2022

Applicant:

罗伯特·博世有限公司

KR_20220091519_PA

Absstract of: WO2021083660A1

The invention relates to a method for operating a fuel cell system (1), in particular a PEM fuel cell system, in which at least one fuel cell (2) is supplied with a hydrogen-containing anode gas via an anode gas path (3) and anode gas exiting the fuel cell (2) is returned via a recirculation path (4), wherein, in order to reduce a nitrogen content in the anode gas, a flush valve (5) arranged in the recirculation path (4) is opened and the recirculation path (4) is flushed. According to the invention, the hydrogen content of the anode gas is determined using at least one sensor (6) and used as a control variable when controlling the flushing of the recirculation path (4). The invention also relates to a control device (10) for carrying out the method according to the invention.

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FUEL CELL STACK, FUEL CELL DEVICE, AND MOTOR VEHICLE COMPRISING A FUEL CELL DEVICE

Publication No.: CN114902461A 12/08/2022

Applicant:

奥迪股份公司

DE_102020100626_A1

Absstract of: WO2021144046A1

The invention relates to a fuel cell stack (2) comprising: a plurality of fuel cells (3) that are arranged in series and each have a membrane separating the electrodes; ports (6/7), one for supplying and one for discharging a fuel and an oxidation agent; and a clamping device (8) for compressing the fuel cells (3), wherein the clamping device (8) is formed by a strip-spring system (9) having an integrated force transducer (10), the signal of which can be transmitted to a control unit (12) in order to determine a moisture content on the basis of moisture-dependent swelling behaviour of the membrane of each fuel cell (3). The invention also relates to a fuel cell device (1) comprising a fuel cell stack (2) and to a motor vehicle comprising a fuel cell device (1).

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MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL, AND FUEL CELL

Publication No.: CN114902454A 12/08/2022

Applicant:

松下知识产权经营株式会社

WO_2021131679_A1

Absstract of: WO2021131679A1

This membrane electrode assembly for a fuel cell has a catalyst layer comprising a first main surface and a second main surface, a gas diffusion layer arranged on the first main surface side, and an electrolyte membrane arranged on the second main surface side, wherein the gas diffusion layer includes an electrically conductive material and a polymer resin, the electrically conductive material includes a fibrous carbon material, the average fiber diameter D of the fibrous carbon material is 25% or less of a thickness T of the catalyst layer, and in a cross section in the thickness direction of the catalyst layer, an arithmetic mean roughness Ra1 of the first main surface and an arithmetic mean roughness Ra2 of the second main surface satisfy the relationship Ra1 > Ra2.

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FLUORINATED COPOLYMER AND COMPOSITIONS AND ARTICLES INCLUDING THE SAME

Publication No.: CN114901710A 12/08/2022

Applicant:

3M\u521B\u65B0\u6709\u9650\u516C\u53F8

Absstract of: WO2021127346A1

The copolymer includes divalent units represented by formula -[CF2-CF2]-, at least one divalent unit represented by formula (I): and at least one divalent unit independently represented by formula (II): A is -N(RFa)2 or a is non-aromatic, 5- to 8-membered, perfluorinated ring comprising one or two nitrogen atoms in the ring and optionally comprising at least one oxygen atom in the ring, each RFa is independently linear or branched perfluoroalkyl having 1 to 8 carbon atoms and optionally interrupted by at least one catenated O or N atom, each Y is independently - H or -F, with the proviso that one Y may be -CF3, h is 0, 1, or 2, each i is independently 2 to 8, and j is 0, 1, or 2. A catalyst ink and polymer electrolyte membrane including the copolymer are also provided.

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SYSTEM AND METHOD FOR CONTROLLING FUEL SUPPLY FOR FUEL CELL

Publication No.: CN114899458A 12/08/2022

Applicant:

现代自动车株式会社起亚株式会社

KR_20220087208_PA

Absstract of: US2022200023A1

Disclosed are a system and a method for fuel supply control for a fuel cell. The system includes a fuel supply line, a fuel supply valve, a base duty calculator configured to estimate a required supply amount of a fuel gas required for the fuel supply line on the basis of a power generation state of the fuel cell and to calculate a base duty instruction to open the fuel supply valve on the basis of the estimated required supply amount, and a valve controller.

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ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, ELECTROCHEMICAL CELL, AND ELECTROLYTE MEMBRANE MANUFACTURING METHOD

Publication No.: CN114902460A 12/08/2022

Applicant:

松下知识产权经营株式会社

WO_2021140817_A1

Absstract of: WO2021140817A1

The electrolyte membrane according to the present disclosure includes a plurality of crystalline domains. At least one of the crystalline domains includes a first sub-crystalline domain and a second sub-crystalline domain. The first sub-crystalline domain and the second sub-domain each include Ba, Zr, M, and O. M represents a trivalent element. The concentration of M in the first sub-crystalline domain is different from that in the second sub-crystalline domain.

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CATALYST LAYER

Publication No.: CN114902452A 12/08/2022

Applicant:

凸版印刷株式会社

WO_2021141136_A1

Absstract of: WO2021141136A1

The present invention provides a catalyst layer which has improved power generation performance even in a high output region (a high current density region). A cathode catalyst layer (5) and an anode catalyst layer (6) to be used in a membrane-electrode assembly of a polymer electrolyte fuel cell, said cathode catalyst layer (5) and anode catalyst layer (6) containing catalyst particles (1), a conductive carrier (2), a polymer electrolyte (3) and a fibrous substance (4). The fibrous substance (4) contains at least one of an electron conductor and a proton conductor; and the specific surface area of the fibrous substance (4) is within the range of from 40 m2/g to 80 m2/g.

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一种燃料电池系统及燃料电池车辆

Publication No.: CN217182214U 12/08/2022

Applicant:

北京亿华通科技股份有限公司

Absstract of: CN217182214U

本实用新型提供了一种燃料电池系统及燃料电池车辆,该燃料电池系统包括电堆系统、运行状态传感器和控制器,电堆系统包括电堆,电堆的阳极出口管路上设置有排水阀一,电堆上另一出口管路上还设置有排水阀二,排水阀一和排水阀二均与控制器通信连接,电堆电连接运行状态传感器,运行状态传感器与控制器通信连接,用于判断燃料电池系统内部是否存在液态水,若判断存在液态水,则控制器控制排水阀一和排水阀二同时开启,若判断不存在液态水,则控制器仅控制排水阀一开启。本实用新型可实时掌握燃料电池车辆的运行状态,优化排水策略,使燃料电池车辆在不同的运行环境下执行正确的氢气路排水策略,从而提升燃料电池车辆的适应性。

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一种燃料电池氢气回收装置

Publication No.: CN217182213U 12/08/2022

Applicant:

北京亿华通科技股份有限公司

Absstract of: CN217182213U

本实用新型公开了一种燃料电池氢气回收装置,包括安装于燃料电池系统内的电堆、排氢阀和安全阀,安装于燃料电池系统外的分离装置、储氢罐和氢气系统;排氢阀和安全阀一端都连接电堆,另一端都连接分离装置输入接口,所述分离装置另一端连接储气罐;储气罐另一端并入氢气系统供氢管路。分离装置通过冷却机构将带有水气的氢气中氢气和水分离,分离出的水通过排水口排出,分离出的氢气通过管道输送给储气罐。本实用新型通过在分离装置中利用冷却装置将氢气和水气进行分离,实现了对氢气的回收利用,在外部氢气系统供给压力不足时可通过储气罐对供氢管路进行氢气补充,实现了对系统可靠性的提高。

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一种用于燃料电池的氢气喷射器

Publication No.: CN217182211U 12/08/2022

Applicant:

北京亿华通科技股份有限公司

Absstract of: CN217182211U

本实用新型提供了一种用于燃料电池的氢气喷射器,包括燃料电池块,燃料电池块的壳体外壁一侧设置有安装口,安装口内设置有氢气导入喷射装置,氢气导入喷射装置包括氢气喷射器和氢气换热器,氢气喷射器的壳体与安装口之间设置有定位螺栓,氢气换热器的壳体靠近氢气喷射器的一侧设置有对接口,以及对接口内的密封圈,对接口与氢气喷射器的输出端相互连接,通过本实用新型,实现了将氢气换热器与氢气喷射器进行集成一体化设计,完美解决连接钢管装配困难、以及连接处漏气问题,同时降低了系统零部件成本与重量、减少系统零部件种类。

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一种燃料电池双极板进出口结构

Publication No.: CN217182209U 12/08/2022

Applicant:

北京亿华通科技股份有限公司

Absstract of: CN217182209U

本实用新型公开了一种燃料电池双极板进出口结构,双极板进出口为双极板上气体流入流出总管;总管外部接气体输入输出接口,总管侧面通过过桥区将气体连接到流场分配区;总管在气体入口处截面面积小于气体出口处截面面积。气体为空气。双极板冷却水和氢气路同流,所述冷却水和空气路对流。本实用新型的一种燃料电池双极板进出口结构,通过对总管进出口截面积的设计,降低了阴极板总管处的压力降,解决了燃料电池在启动运行过程中生成水排出困难的问题,改善了水淹现象,极大的提高了电堆工作运行的稳定性。

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一种水体原位修复装置

Publication No.: CN217173398U 12/08/2022

Applicant:

武汉中科水生环境工程股份有限公司

Absstract of: CN217173398U

本实用新型涉及一种水体原位修复装置,包括圆筒状的外壳,外壳内自下至上依次设置有阳极、复合基质和阴极,复合基质铺设在阳极上,阴极与复合基质顶面之间保持设定距离,复合基质包括叠放的藻类基质层和底泥基质层。本实用新型提升阳极的供电效率;可以适应不同水深的湖泊;缓解湖泊水体过深、电极之间距离大导致内阻过大的问题,在湖泊底泥和蓝藻藻类的废物利用的同时,实现更加高效和可持续的电子传递和能量转化,提高了工作效率。

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一种燃料电池金属双极板定位装置

Publication No.: CN217182208U 12/08/2022

Applicant:

一汽解放汽车有限公司

Absstract of: CN217182208U

本实用新型属于氢燃料电池极板流场加工技术领域,公开了一种燃料电池金属双极板定位装置,包括夹具底板、限位装置、第一锁定装置、第二锁定装置和第一定位销;夹具底板开设多个安装孔和多个滑槽,多个安装孔呈矩形阵列,多个滑槽间隔开设于夹具底板的一侧;限位装置安装于任一滑槽中,抵靠板状产品件的一侧;第一锁定装置和第二锁定装置分别安装于任一安装孔,分别抵靠板状产品件;第一定位销安装于任一安装孔中,抵靠板状产品件;板状产品件夹设于限位装置、第一锁定装置、第二锁定装置和第一定位销之间。该燃料电池金属双极板定位装置能够提高超薄产品件的装夹效率和定位精度,适用于多种尺寸的超薄产品件的夹装定位,提高商用车产品件的试制效率。

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燃料电池电堆堆叠组件

Publication No.: CN217182219U 12/08/2022

Applicant:

国家电投集团氢能科技发展有限公司

Absstract of: CN217182219U

本实用新型提出一种的燃料电池电堆堆叠组件,所述燃料电池电堆堆叠组件包括堆叠平台和电堆,所述电堆包括从下至上依次设置的第一端板、内部组件和第二端板,所述第一端板设有燃料进口、空气进口和进水口,所述第二端板设有燃料出口、空气出口和出水口,所述第二端板和所述内部组件之间设有多个碟簧,所述第一端板设在所述堆叠平台的上表面上,本实用新型实施例的燃料电池电堆堆叠组件可以提高电堆的稳定性。

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一种集成电池的燃料电池系统

Publication No.: CN217182215U 12/08/2022

Applicant:

北京亿华通科技股份有限公司

Absstract of: CN217182215U

本实用新型公开了一种集成电池的燃料电池系统,所述燃料电池系统外部连接有整车供电,所述燃料电池系统内包括电池、DCDC模块、电堆、入堆空气流量控制器、节气门、入堆氢气流量控制器和排氢阀;DCDC模块集成有不间断电源,用于协调整车供电和电池,在整车供电正常时DCDC模块使用整车供电电能,并为电池充电,在整车供电中断时,DCDC模块使用电堆输出电能为电池充电,在电堆电能消耗完后使用电池电能,实现对入堆空气流量控制器、节气门、入堆氢气流量控制器和排氢阀的供电和控制,维持燃料电池系统运行。本实用新型实现了在整车停止时可立刻断电,燃料电池系统配合电池实现燃料电池系统的关机,提高了燃料电池的可靠性和实用性。

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气水分离器和具有其的燃料电池系统

Publication No.: CN217163817U 12/08/2022

Applicant:

国家电投集团氢能科技发展有限公司

Absstract of: CN217163817U

本实用新型公开了一种气水分离器和具有其的燃料电池系统,所述气水分离器包括:壳体和散热翅片,所述壳体内设有分离腔和与所述分离腔连通的进气口、排气口和排液口,所述壳体的周壁具有翅片区和无翅片区,所述翅片区设于所述无翅片区的下端,所述进气口和所述排液口位于所述翅片区,所述排气口位于所述无翅片区,所述散热翅片设于所述翅片区上。本实用新型的气水分离器的分离效果较好。

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一种电动车

Publication No.: CN217182210U 12/08/2022

Applicant:

浙江巨化装备工程集团有限公司

Absstract of: CN217182210U

本实用新型涉及电动车技术领域,特别是一种电动车,包括电动车主体,其特征在于,还包括:电池单元,所述电池单元包括:供电部,向电动车主体提供电能;供氢部,向所述供电部供给氢气;其中,供电部内设置有介质,该介质可以将氢气转化为电能和热量,本实用新型提供了一种电动车,解决了以固态储氢为氢源的电动电动车在低温环境中供氢不稳定的问题。

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水氢能燃料电池发电装置与车辆装备动力系统集成产业化技术路线方案

Nº publicación: CN114889452A 12/08/2022

Applicant:

彭俊元

Absstract of: CN114889452A

发明新能源“水氢能燃料电池发电装置与车辆装备动力系统集成”制氢用氢一体化构造与其电路线路连接形状模块化技术组成,是利用“水氢能终极能源”是最大资源要素、绿色、环保、0碳排之唯一性,水能正确性方向产品构造及产品产业化技术方案具有在综合国力提升中是最大资源要素,利用了燃料电池装置发电与动力五大模块构造及其形状之间电路正极、负极连接形状结构、回路充电等结构性技术方案,除掉了极难以实现的电解水制氢、储氢、运氢、再储氢、加氢、用氢链条太长极其复杂过程和极高成本不经济更不能规模经济几大关隘、破解了极高成本大量投资难以实现产品及产业化极其复杂性世界级难题;将改变全球能源格局和世界格局。

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