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    • 2. 发明申请
    • Controlled-release vapor fuel cell
    • 控制释放蒸汽燃料电池
    • US20070190379A1
    • 2007-08-16
    • US11353463
    • 2006-02-15
    • Lulu SongJiusheng GuoAruna ZhamuBor Jang
    • Lulu SongJiusheng GuoAruna ZhamuBor Jang
    • H01M8/04H01M8/02
    • H01M8/1013H01M8/0258H01M8/0267H01M8/04186H01M8/04201H01M8/1009H01M8/1011H01M8/249Y02E60/522Y02E60/523
    • A controlled-release fuel cell comprising (a) a proton exchange membrane having a first surface and a second surface, a fuel electrode or anode being coupled to the first surface, and an oxidant electrode or cathode being coupled to the second surface; (b) a fuel flow field plate having surface channels positioned in front of the anode with the channels containing therein a controlled-release material that retains a liquid fuel at or below an ambient temperature, but releases the fuel at a temperature higher than an activation temperature to deliver a fuel vapor to the anode; (c) heating means in heat-supplying relation to the controlled-release material to activate fuel vapor release on demand at a desired rate; and (d) fuel supply means that feeds the liquid fuel to the controlled-release material. The invented fuel cell is compact and lightweight, with significantly reduced fuel crossover and improved fuel utilization efficiency. The fuel cell is particularly useful for powering small vehicles and portable devices such as a notebook computer, a personal digital assistant, a mobile phone, and a digital camera.
    • 一种控释燃料电池,包括(a)具有第一表面和第二表面的质子交换膜,连接到第一表面的燃料电极或阳极,以及耦合到第二表面的氧化剂电极或阴极; (b)燃料流场板,其具有位于阳极前面的表面通道,通道中含有控制释放材料,其将液体燃料保持在环境温度以下或低于环境温度,但在高于活化温度的温度下释放燃料 将燃料蒸气输送到阳极的温度; (c)与所述控制释放材料供热关系的加热装置,以期望的速率按要求启动燃料蒸气释放; 和(d)将液体燃料供给到控制释放材料的燃料供给装置。 本发明的燃料电池紧凑且重量轻,燃料交叉显着减少,燃料利用效率得到提高。 燃料电池对于小型车辆和便携式设备如笔记本电脑,个人数字助理,移动电话和数码相机的供电特别有用。
    • 5. 发明授权
    • Controlled-release vapor fuel cell
    • 控制释放蒸汽燃料电池
    • US08153324B2
    • 2012-04-10
    • US11353463
    • 2006-02-15
    • Lulu SongJiusheng GuoAruna ZhamuBor Z. Jang
    • Lulu SongJiusheng GuoAruna ZhamuBor Z. Jang
    • H01M8/04
    • H01M8/1013H01M8/0258H01M8/0267H01M8/04186H01M8/04201H01M8/1009H01M8/1011H01M8/249Y02E60/522Y02E60/523
    • A controlled-release fuel cell comprising (a) a proton exchange membrane having a first surface and a second surface, a fuel electrode or anode being coupled to the first surface, and an oxidant electrode or cathode being coupled to the second surface; (b) a fuel flow field plate having surface channels positioned in front of the anode with the channels containing therein a controlled-release material that retains a liquid fuel at or below an ambient temperature, but releases the fuel at a temperature higher than an activation temperature to deliver a fuel vapor to the anode; (c) heating means in heat-supplying relation to the controlled-release material to activate fuel vapor release on demand at a desired rate; and (d) fuel supply means that feeds the liquid fuel to the controlled-release material. The invented fuel cell is compact and lightweight, with significantly reduced fuel crossover and improved fuel utilization efficiency. The fuel cell is particularly useful for powering small vehicles and portable devices such as a notebook computer, a personal digital assistant, a mobile phone, and a digital camera.
    • 一种控释燃料电池,包括(a)具有第一表面和第二表面的质子交换膜,连接到第一表面的燃料电极或阳极,以及耦合到第二表面的氧化剂电极或阴极; (b)燃料流场板,其具有位于阳极前面的表面通道,其中通道中含有控制释放材料,其将液体燃料保持在环境温度或低于环境温度,但在比活化温度高的温度下释放燃料 将燃料蒸气输送到阳极的温度; (c)与所述控制释放材料供热关系的加热装置,以期望的速率按要求启动燃料蒸气释放; 和(d)将液体燃料供给到控制释放材料的燃料供给装置。 本发明的燃料电池紧凑且重量轻,燃料交叉显着减少,燃料利用效率得到提高。 燃料电池对于小型车辆和便携式设备如笔记本电脑,个人数字助理,移动电话和数码相机的供电特别有用。
    • 8. 发明授权
    • Nano-scaled graphene plate nanocomposites for supercapacitor electrodes
    • 用于超级电容器电极的纳米级石墨烯纳米复合材料
    • US07623340B1
    • 2009-11-24
    • US11499861
    • 2006-08-07
    • Lulu SongAruna ZhamuJiusheng GuoBor Z. Jang
    • Lulu SongAruna ZhamuJiusheng GuoBor Z. Jang
    • H01G9/00
    • H01G9/058B82Y30/00B82Y40/00C01B32/194C01B2204/04C01B2204/32H01G11/36H01G11/38Y02E60/13Y02T10/7022
    • A preferred embodiment of the present invention is a meso-porous nanocomposite material comprising: (A) nano-scaled graphene platelets, wherein each of the platelets comprises a sheet of graphite plane or multiple sheets of graphite plane, and the platelets have a thickness no greater than 100 nm (preferably smaller than 10 nm) and an average length, width, or diameter no greater than 10 μm (preferably smaller than 500 nm); and (B) an electrically conducting binder or matrix material attached or bonded to the platelets to form the nanocomposite material having liquid accessible pores, which provide a surface area greater than about 100 m2/gm, preferably greater than 500 m2/gm, and most preferably greater than 1000 m2/gm. Also disclosed is a capacitor that includes at least an electrode comprising such a meso-porous nanocomposite material. A supercapacitor featuring such a nanocomposite exhibits an exceptionally high capacitance value.
    • 本发明的优选实施方案是中孔多孔纳米复合材料,其包含:(A)纳米级石墨烯片晶,其中每个片晶包括石墨片片或多片石墨片,并且血小板具有厚度无 大于100nm(优选小于10nm),平均长度,宽度或直径不大于10um(优选小于500nm); 和(B)连接或结合到血小板上以形成具有液体可接近孔的纳米复合材料的导电粘合剂或基质材料,其提供大于约100m 2 / g,优选大于500m 2 / gm的表面积,并且大部分 优选大于1000m2 / gm。 还公开了一种电容器,其至少包括包含这种中孔多孔纳米复合材料的电极。 具有这种纳米复合材料的超级电容器具有非常高的电容值。
    • 9. 发明授权
    • Highly conductive nano-scaled graphene plate nanocomposites
    • 高导电纳米级石墨烯纳米复合材料
    • US07566410B2
    • 2009-07-28
    • US11328880
    • 2006-01-11
    • Lulu SongJiusheng GuoAruna ZhamuBor Z. Jang
    • Lulu SongJiusheng GuoAruna ZhamuBor Z. Jang
    • H01B1/00H01B1/20
    • H01B1/24B82Y30/00H01M4/02H01M8/0213H01M8/0215H01M8/0221H01M8/0223Y10S977/70Y10S977/755Y10S977/773Y10S977/778Y10S977/783
    • Disclosed is a nano-composite material comprising fully separated nano-scaled graphene platelets (NGPs) dispersed in a matrix material, wherein each of the platelets comprises a sheet of graphite plane or multiple sheets of graphite plane and has a thickness no greater than 100 nm and the platelets have an average length, width, or diameter no greater than 500 nm. The graphene plates are present in an amount no less than 15% by weight based on the total weight of the platelets and the matrix material combined. Typically, the nanocomposite is electrically conductive with a bulk conductivity no less than 10 S/cm and more typically no less than 100 S/cm. Highly conductive NGP nanocomposites are particularly useful for fuel cell flow field plate (bipolar plate) and battery electrode applications. Nanocomposites with high NGP proportions can be used in automotive friction plates and aircraft brake components.
    • 公开了一种纳米复合材料,其包含分散在基质材料中的完全分离的纳米级石墨烯片晶(NGP),其中每个片晶包括一片石墨平面或多片石墨平面,其厚度不大于100nm 并且血小板具有不大于500nm的平均长度,宽度或直径。 基于组合的血小板和基质材料的总重量,石墨烯板的存在量不小于15重量%。 通常,纳米复合材料具有不小于10S / cm,更通常不小于100S / cm的体积电导率导电。 高导电性NGP纳米复合材料特别适用于燃料电池流场板(双极板)和电池电极应用。 具有高NGP比例的纳米复合材料可用于汽车摩擦片和飞机制动部件。
    • 10. 发明申请
    • Self-humidifying proton exchange membrane, membrane-electrode assembly, and fuel cell
    • 自加湿质子交换膜,膜电极组件和燃料电池
    • US20070092777A1
    • 2007-04-26
    • US11257601
    • 2005-10-26
    • Aruna ZhamuJiusheng GuoBor Jang
    • Aruna ZhamuJiusheng GuoBor Jang
    • H01M8/10H01M4/94
    • H01M8/1016H01M4/92H01M8/04291H01M8/1004H01M2300/0091
    • A self-humidifying proton exchange membrane (PEM) composition, a membrane-electrode assembly, and a fuel cell. The PEM composition comprises (a) a proton-conducting polymer; (b) a catalyst that promotes the chemical reaction between hydrogen and oxygen molecules to generate water in the membrane, and (c) a deliquescent material dispersed in this polymer. The amount of catalyst is preferably 0.01%-50% by weight on the basis of the polymer weight. The catalyst is preferably a metal catalyst selected from the group consisting of platinum, gold, palladium, rhodium, iridium, ruthenium, and mixtures and alloys thereof. Suitable deliquescent materials include, but are not limited to, calcium chloride, calcium bromide, potassium biphosphate, potassium acetate and combinations thereof. A deliquescent material absorbs and retains an essentially constant amount of moisture to keep the proton mobile in the PEM structure. The fuel cell containing such a PEM composition can be used in a higher temperature and/or lower-humidity environment.
    • 自加湿质子交换膜(PEM)组合物,膜 - 电极组件和燃料电池。 PEM组合物包含(a)质子传导聚合物; (b)促进氢和氧分子之间的化学反应以在膜中产生水的催化剂,和(c)分散在该聚合物中的潮解材料。 基于聚合物重量,催化剂的量优选为0.01重量%〜50重量%。 催化剂优选为选自铂,金,钯,铑,铱,钌的金属催化剂及其混合物和合金。 合适的潮解材料包括但不限于氯化钙,溴化钙,二磷酸钾,乙酸钾及其组合。 潮解材料吸收并保留基本恒定量的水分以保持质子在PEM结构中移动。 含有这种PEM组合物的燃料电池可以在较高温度和/或较低湿度的环境中使用。