专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 依法登记的发明

USH273H Processing of high solids propellant 失效
标题翻译：高固体推进剂的加工
公开(公告)号：USH273H
公开(公告)日：1987-05-05
申请号：US937803
申请日：1986-12-01
申请人： William S. Melvin , Porter H. Mitchell
发明人： William S. Melvin , Porter H. Mitchell
IPC分类号： C06B21/00
CPC分类号： C06B21/0025 , C06B21/0008
摘要： The mixing of high solids loaded propellants is accomplished under reduced viscosity conditions by employing near critical liquid (NCL) carbon dioxide as the processing fluid in a volume amount from about 10 to about 20 percent of the volume of the propellant ingredients.A typical propellant composition contains about 88 percent solids portion by weight comprised of ammonium perchlorate, aluminum powder, ballistic modifiers, and bonding agent and about 12 percent liquid portion by weight comprised of liquid polymers, plasticizers, and curatives.NCL carbon dioxide facilitates low viscosity mixing of propellant ingredients in a completely inert processing fluid. The method allows the entire mixing procedure to be conducted under reduced temperature conditions (e.g., 90.degree. F. vs 140.degree. F.), and thereby, provides for extended propellant pot life. Pressure mixing in a range of 760 psig to 1000 psig enables carbon dioxide to be maintained as a NCL to assist propellant mixing. When propellant mixing is completed, depressurization of the mixing chamber enables the NCL carbon dioxide to undergo a phase change to its gaseous state. Venting to ambient conditions, releases the gas from the propellant composition. Residual amounts of dissolved carbon dioxide can be completely removed under vacuum prior to propellant casting. If desired, the gaseous carbon dioxide can be contained and recycled for further use.

2. 依法登记的发明

USH305H Demilitarization of high burn rate propellants containing ferrocene or its derivatives 失效
标题翻译：含有赤藓糖醇或其衍生物的高灼烧速率的研究
公开(公告)号：USH305H
公开(公告)日：1987-07-07
申请号：US928778
申请日：1986-11-06
申请人： Porter H. Mitchell , William S. Melvin
发明人： Porter H. Mitchell , William S. Melvin
IPC分类号： C06B21/00 , B01D46/00
CPC分类号： C06B21/0091
摘要： An effective method to recover the catalyst material, ferrocene or its deatives, from high burn rate propellants comprises the method which uses compressed gas in the form of a near critical liquid to extract, remove, and recover the specific catalyst material directly from rocket motors or from chunks of cut propellant.The method comprises introducing compressed carbon dioxide into a pressure vessel containing the propellant from which the catalyst material is to be recovered. The carbon dioxide as a near critical liquid (NCL) is circulated within the pressure vessel where extraction of ferrocene or its derivatives directly from the propellant takes place. The NCL with extractibles is transported to a warming and recovery zone where the extractibles are recovered after the carbon dioxide is volatilized and returned for recycling, compressing, and further extracting after being adjusted to a near critical liquid.Analytical data indicates that from 99.8% to 100% of ferrocence or its derivatives is readily recoverable from propellant which is undergoing demilitarization after it is determined to have burning rate, sensitivity, or other measureable changes to be out of system specification. After recovery of the high dollar value catalyst material, the propellant can be safely handled for removal using conventional water jet apparatus to cut and remove the propellant for reclamation of any of the propellant ingredients.

3. 发明授权

US5961671A Apparatus and method of preparing electrochemical cells 失效
标题翻译：电化学电池的制备及方法
公开(公告)号：US5961671A
公开(公告)日：1999-10-05
申请号：US932735
申请日：1997-09-17
申请人： Wade Guindy , Steven D. Cochran , Carl Richwine , George Adamson , Porter H. Mitchell
发明人： Wade Guindy , Steven D. Cochran , Carl Richwine , George Adamson , Porter H. Mitchell
IPC分类号： H01M4/62 , H01M2/16 , H01M6/18 , H01M10/052 , H01M10/0525 , H01M10/0565 , H01M10/38
CPC分类号： H01M4/0409 , H01M10/052 , H01M10/0565 , H01M4/04 , H01M4/0404 , H01M4/0435 , H01M4/622 , H01M4/623 , H01M10/0525 , H01M2/1653 , H01M4/62 , H01M6/181 , H01M6/188 , Y10T29/49108 , Y10T29/49115 , Y10T29/53135
摘要： A method for removing plasticizers such dibutyl phthalate from the anode, cathode, and polymeric matrix components of electrochemical cell precursors using carbon dioxide in the supercritical state is provided. The method forms porous polymeric structures that enhances the mass transport of ions in the cell which results in improved electrochemical performance.
摘要翻译：提供了一种使用超临界状态的二氧化碳从电化学电池前体的阳极，阴极和聚合物基质组分中除去增塑剂如邻苯二甲酸二丁酯的方法。该方法形成多孔聚合物结构，其增强电池中离子的质量传递，这导致改善的电化学性能。

4. 发明授权

US5584893A Method of preparing electrodes for an electrochemical cell 失效
标题翻译：制备电化学电池电极的方法
公开(公告)号：US5584893A
公开(公告)日：1996-12-17
申请号：US559121
申请日：1995-11-17
申请人： Porter H. Mitchell
发明人： Porter H. Mitchell
IPC分类号： H01M4/13 , H01M4/62 , H01M10/052 , H01M10/0565 , H01M10/38
CPC分类号： H01M4/0404 , H01M10/052 , H01M10/0565 , H01M4/04 , H01M4/0416 , H01M4/0435 , H01M4/13 , H01M4/621 , H01M4/623 , H01M2300/0025 , Y10T29/49115
摘要： A method of preparing an electrochemical cell wherein the electrode material adheres to the current collector to create good electrical contact is provided. A critical aspect in the process of preparing the polymer mixture for both the anode and cathode slurries is that the polymer (or copolymer) not be subject to high shear so as to be degraded. Polymer degradation contributes to the creation of the polymer concentration gradient in the electrode film.
摘要翻译：提供了一种制备电化学电池的方法，其中电极材料粘附到集电器以产生良好的电接触。在制备阳极和阴极浆料的聚合物混合物的过程中的关键方面是聚合物（或共聚物）不经受高剪切以便降解。聚合物降解有助于电极膜中聚合物浓度梯度的产生。

5. 发明授权

US6077624A Lithium ion cells with improved thermal stability 失效
标题翻译：具有改善的热稳定性的锂离子电池
公开(公告)号：US6077624A
公开(公告)日：2000-06-20
申请号：US911476
申请日：1997-08-14
申请人： Porter H. Mitchell , Jeremy Barker , Tracy E. Kelley
发明人： Porter H. Mitchell , Jeremy Barker , Tracy E. Kelley
IPC分类号： H01M2/16 , H01M4/62 , H01M6/40 , H01M10/052 , H01M10/0525 , H01M10/0565
CPC分类号： H01M10/052 , H01M10/0565 , H01M2/1653 , H01M4/621 , H01M4/622 , H01M4/623 , H01M10/0525 , H01M6/40
摘要： The methods and compositions of the invention provide two solutions to reduce the reactivity of VDF-based copolymers to lithiated graphite. The two approaches can be used separately or combined. In one embodiment, the relative proportion of the VdF and the other fluorinated monomer (OFM, i.e. HFP) in the copolymer is significantly reduced below conventional formulations in order to reduce the reactivity of the copolymer. In a second approach, the reactivity of the copolymer, over a broad range of monomer VdF:OFM molar ratios, is reduced by deactivating the reactive sites on the copolymer, thereby blocking the ability to undergo undesired reaction during cell operation. These methods and compositions have heretofore not been proposed and are of primary importance in preventing large exothermic reaction which can lead to thermal runaway when conventional polymer formulations are utilized in batteries in the presence of reactive components such as lithiated graphite.
摘要翻译：本发明的方法和组合物提供了两种降低VDF基共聚物与锂化石墨反应性的方法。这两种方法可以单独使用或组合使用。在一个实施方案中，为了降低共聚物的反应性，VdF和其它氟化单体（OFM，即HFP）在共聚物中的相对比例显着降低到低于常规配方。在第二种方法中，通过使共聚物上的反应性位点失活，共聚物在宽范围的单体VdF：OFM摩尔比下的反应性降低，从而阻止在电池操作过程中发生不希望的反应的能力。迄今为止尚未提出这些方法和组合物，并且在防止在诸如锂化石墨的反应性组分的存在下将常规聚合物制剂用于电池中时可导致热失控的大的放热反应是最重要的。

6. 发明授权

US06596435B2 Lithium manganese oxide-based active material 失效
公开(公告)号：US06596435B2
公开(公告)日：2003-07-22
申请号：US09962574
申请日：2001-09-25
申请人： Tracy E. Kelley , Porter H. Mitchell , Chariclea A. Scordilis-Kelley
发明人： Tracy E. Kelley , Porter H. Mitchell , Chariclea A. Scordilis-Kelley
IPC分类号： H01M450
CPC分类号： H01M4/505 , H01M4/366 , H01M10/0525 , Y10T428/2991
摘要： The invention provides an electrochemically active material comprising particles of spinel lithium manganese oxide having on the surface of each particle cationic metal species bound to the spinel at anionic sites of the particle surface; where the cationic metal species includes a metal selected from the group consisting of transition metals, non-transition metals having a +3 valence state, and mixtures thereof. The active material is characterized by a reduced surface area and increased capacity expressed in milliamp hour per gram as compared to the spinel alone.

7. 发明授权

US5964903A Method of preparing electrochemical cells 失效
标题翻译：电化学电池的制备方法
公开(公告)号：US5964903A
公开(公告)日：1999-10-12
申请号：US839006
申请日：1997-04-23
申请人： Feng Gao , Porter H. Mitchell , Jeremy Barker
发明人： Feng Gao , Porter H. Mitchell , Jeremy Barker
IPC分类号： H01M2/16 , H01M4/131 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/62 , H01M6/16 , H01M6/18 , H01M10/0567 , H01M10/058 , H01M2/18 , H01M4/60
CPC分类号： H01M10/058 , H01M10/0567 , H01M2/1653 , H01M4/131 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/62 , H01M2/1673 , H01M6/168 , H01M6/188 , Y10T29/49108
摘要： A method of fabricating electrochemical cells employing novel plasticizers that can be removed by evaporation under vacuum is provided thereby obviating the need for solvent extraction. The plasticizers comprise 2-(2-ethoxyethoxy) ethyl acetate, dimethyl adipate, dibutyl phthalate, propylene carbonate, and mixtures thereof.
摘要翻译：提供了使用可通过真空蒸发除去的新型增塑剂的电化学电池的制造方法，从而避免了对溶剂萃取的需要。增塑剂包括2-（2-乙氧基乙氧基）乙酸乙酯，己二酸二甲酯，邻苯二甲酸二丁酯，碳酸亚丙酯及其混合物。

8. 发明授权

US4600453A Nitrate ester monopropellant 失效
标题翻译：硝酸酯单体推进剂
公开(公告)号：US4600453A
公开(公告)日：1986-07-15
申请号：US789816
申请日：1985-10-21
申请人： Barry D. Allan , Porter H. Mitchell
发明人： Barry D. Allan , Porter H. Mitchell
IPC分类号： C06B47/08
CPC分类号： C06B47/08
摘要： The incorporation of a nitrated pentaerythritol additive selected from theono-, di-, tri-, and tetra-nitrated pentaerythritols into hydrazine is effective in lowering the freezing point of the combination while enhancing the performance of the monopropellant by contributing to the total energy of the monopropellant combination. Hydrazine content varies from about 65 to 95 weight percent while the additive of a nitrated pentaerythritol varies from about 5 to about 25 weight percent. An optional additional additive of methyl alcohol from about 5 to about 20 weight percent can be employed with a corresponding adjustment in weight percent of hydrazine when said additive of methyl alcohol is employed in addition to said additive of said nitrated pentaerythritol.
摘要翻译：将选自单 - ，二 - ，三 - 和四 - 氮化的季戊四醇的硝化季戊四醇添加剂并入肼中有效降低组合的凝固点，同时通过促进单组分推进剂的总能量单组分推进剂组合。肼的含量在约65至95重量％的范围内变化，而硝化季戊四醇的添加剂的变化范围约为5至25重量％。除了所述硝酸季戊四醇的所述添加剂之外，当使用所述甲醇添加剂时，可以使用约5至约20重量％的任选的另外的甲醇添加剂，相应地调节肼的重量百分数。

9. 发明授权

US06465121B1 Method for distributing electrolyte in batteries 失效
标题翻译：在电池中分配电解液的方法
公开(公告)号：US06465121B1
公开(公告)日：2002-10-15
申请号：US09652249
申请日：2000-08-30
申请人： Lev M. Dawson , Tracy E. Kelley , Oliver J. Gross , Robert J. Horning , Porter H. Mitchell
发明人： Lev M. Dawson , Tracy E. Kelley , Oliver J. Gross , Robert J. Horning , Porter H. Mitchell
IPC分类号： H01M238
CPC分类号： H01M2/38 , H01M2/0275 , H01M2/36 , H01M6/38 , H01M10/04 , H01M10/0436 , H01M10/0525 , H01M10/4214
摘要： A method for activating electrochemical cells including the steps of sealing the electrochemical cells in a container with an activating electrolyte solvent and salt, treatment steps, such as the application of compression and decompression cycles to the container, for providing good distribution of the electrolyte within the electrochemical cells.
摘要翻译：一种激活电化学电池的方法，包括用活化电解质溶剂和盐密封容器中的电化学电池的步骤，处理步骤，例如向容器施加压缩和减压循环，以提供电解质在该容器内的良好分布电化学电池。

10. 发明授权

US5972055A Binary solvent method for battery 失效
标题翻译：电池二元溶剂法
公开(公告)号：US5972055A
公开(公告)日：1999-10-26
申请号：US680421
申请日：1996-07-15
申请人： Feng Gao , Jeremy Barker , Porter H. Mitchell , Jeffrey Swoyer , Arnie Stux
发明人： Feng Gao , Jeremy Barker , Porter H. Mitchell , Jeffrey Swoyer , Arnie Stux
IPC分类号： H01M6/16 , H01M6/18 , H01M10/052 , H01M10/0565 , H01M10/38
CPC分类号： H01M10/052 , H01M10/0565 , H01M6/164 , H01M6/188 , Y10T29/49115
摘要： The subject invention discloses a novel method of providing a binary electrolyte-solvent solution in a solid battery system. A first component of this binary electrolyte solvent system is provided by a material which acts as a plasticizer in the formation of a solid polymeric matrix (separator), composite cathode and/or composite anode, and which also acts as an electrolyte solvent in the completed electrochemical cell. The second component of the binary electrolyte solvent system is an electrolyte solvent, which generally carries the electrolyte salt into the electrolytic cell precursor. The first and second components of the binary electrolyte solvent system mix within the electrolytic cell, dispersing the electrolyte salt throughout the binary electrolyte solvent system. The addition of the electrolyte salt to the electrolytic cell precursor acts to activate the cell precursor, and to form a functional electrolytic cell or battery system.
摘要翻译：本发明公开了一种在固体电池系统中提供二元电解质溶剂溶液的新方法。这种二元电解质溶剂体系的第一个组分由一种在形成固体聚合物基质（分离器），复合阴极和/或复合阳极中作为增塑剂的材料提供，并且还可以在完成后的电解质溶剂电化学电池。二元电解质溶剂系统的第二组分是电解质溶剂，其通常将电解质盐携带到电解槽前体中。二元电解质溶剂系统的第一和第二组分在电解池内混合，将电解质盐分散在整个二元电解质溶剂系统中。将电解质盐添加到电解槽前体中起作用以活化细胞前体，并形成功能性电解池或电池系统。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式