Abstract: By contacting an aqueous cobaltous sulfate solution with an ion-exchange resin having bis--(2-picolyl)amine functional groups nickel is removed down to very low levels.

Abstract: An improvement in the production of a cell electrode system comprises a process in which a fibrillatable polymer, an electrode active material and a removable, polymeric pore-former are subjected to conditions to convert the polymer by a dry process technique to fibrous form and to form a composition comprising discrete fibers through an intimate mixture consisting essentially of electrode active particles, and pore-former, said pore-former also serving as a processing agent and being present in a major amount, and then removing the pore-former from such composition.

Abstract: Discloses a cast grid for supporting active mass in a lead-acid battery and gathering current from the active mass, the grid being characterized by a quasi-radial design adapted to provide efficient battery operation.

Abstract: High energy density, self-healing cathodes for use in solid state or quasi-solid state electrochemical cells having active metal, e.g. lithium, one or more of materials existing in the solid or liquid state at ordinary temperatures and selected from the group of oxides of phosphorous and boron, halides of phosphorous and boron chalcogenides of phosphorous and boron and oxyhalides of phosphorous and boron, said mass having induced therein a useable degree of electronic conductivity. One example of a means of including a useable amount of electronic conductivity is the inclusion in the cathode mass of a charge transfer complex of a polymer of the type of poly-2-vinyl pyridine.

Abstract: A solid-state electrolyte capable of lithium ion transfer comprising and interdiffused combination of a lithium metal oxide and a metal halide.

Abstract: A side terminal battery (10) and method of making same is shown and described. In particular, the terminal (34) includes an electrically conductive plug (24) disposed within an externally extending boss (16). The plug (24) does not extend into the battery (10). Rather, a riser (38) is welded (40) to the plug (24) through an aperture (14) disposed at the base of the boss (16). The terminal (34) is mechanically crimped (42 and 44) to further ensure the leak-resistant soundness of the joint between the plug (14) and riser (38).

Abstract: A safety helmet (10) including an impact absorbing shell (12) and a number of energy absorbing strap retainers (34) is disclosed. A plurality of sockets (20) receive the retainers (34). The retainers (34) include a pair of flexible shock absorbing wings (46) which are designed to nest against lands (30). Upon the application of a blow to the helmet (10), the wings (46) flex and absorb a portion of the impact.

Abstract: A method for preparing stable non-stoichiometric cathode material to provide cathodes useful in non-aqueous electrochemical cells having an active metal (eg. lithium) anode. The method comprises reducing the non-stoichiometric cathode material (eg. manganese dioxide) with the active metal or a precursor compound of said active metal to form a compound of the active metal and stoichiometric active cathode material.

Abstract: A process is provided for treating a matte for selective extraction of nonferrous metals using a single stage oxidative pressure leach wherein leaching is carried out in a continuous manner and relatively mild conditions on an aqueous slurry of the matte having a specific sulfur adjustment, having copper present in the aqueous phase, and having a final pH of less than .about.4 but not less than .about.3.

Abstract: An electrolyte for a solid state lithium electrochemical cell comprising an interdiffused mixture of PI.sub.3 or BI.sub.3 and LiI and optionally Al.sub.2 O.sub.3 and cells containing such electrolyte.

Abstract: A composite electrode having a structural electrode member with at least a portion of one surface of the electrode member constructed from a continuous matrix of an anodically passivatable metal infiltrated by a metal capable of forming an electroconductive oxide and having the infiltrating metal at the electrode surface oxidized such that an electric current path is provided through the oxidized surface of the matrix metal. In one embodiment the matrix metal is an electrochemical valve metal, e.g., titanium and the infiltrating metal is lead.Applications for the composite electrode include battery grids and electrochemical processing electrodes.

Abstract: The invention provides a bath that is operable at, or close to, pH 7 to deposit a coating of ruthenium on a substrate, e.g. the contacts of electrical switches, which does away with the need to provide a protective coating on the substrate prior to ruthenium plating. The bath consists essentially of (i) a compound or a complex that contains a nitrogen bridge linkage joining together two ruthenium atoms and (ii) an aqueous solution of oxalic acid or an oxalate.

Abstract: An improved process for hot working of dispersion-strengthened mechanically alloyed aluminum is provided based on a disclosed unconventional response of such material to thermomechanical processing. The process permits optimization of strength and workability and the production of aluminum alloys of very high strength.

Abstract: A muffler for use with machines such as pneumatic drills consists of an elastomeric housing divided into an admission chamber and a series of muffler chambers. Within the housing are an inlet conduit communicating with the admission chamber and each muffler chamber, an exhaust conduit communicating with each muffler chamber as well as with a tail pipe outside the housing, and a Helmholtz resonator communicating with the admission chamber.

Abstract: An improved dispersion strengthened aluminum-base alloy and an improved method for producing the alloy are provided. A preferred alloy comprises, by weight, about 3 to 5% Mg, about 0.2-2.5% C, and about 0.3 to 4% O and the balance essentially aluminum.

Abstract: A novel laminated composite material of gold-colored appearance especially suited for, but not limited to, coinage applications has a ferromagnetic core located between sheathing layers of a Cu-Al or Cu-Ni-Al alloy and separated therefrom by layers of copper. Alternative methods involving hot and/or cold rolling techniques are provided for the production of the novel laminates.

Abstract: A process for electrowinning nickel or cobalt from an electrolyte in apparatus having spaced insoluble anodes and cathodes. Each anode is provided with diaphram means for defining an anolyte compartment. A frothing agent is introduced into the feed electrolyte which expedites the withdrawal of spent electrolyte and anodically generated gases.

Abstract: A solid state electrochemical cell having a lithium anode, a lithium-ion transport electrolyte and a cathode of high energy density material capable of reacting with the electrolyte and forming a stable, self-healing layer of electrolytically conductive reaction product of the electrolyte and the cathode material.

Abstract: A nickel-base superalloy containing 14 to 22% chromium, 5 to 25% cobalt, 1 to 5% tungsten, 0.5 to 3% tantalum, 2 to 5% titanium, 1 to 4.5% aluminum, the sum of the titanium plus aluminum being 4.5 to 9%, up to 2% niobium, about 0.35 to 1.2% boron, up to 3.5% molybdenum, up to 0.5% zirconium, up to 0.2% total of yttrium and lanthanum, up to 0.1% carbon, at least 0.05% of at least one element of the group of hafnium and vanadium with the maximum being about 2.2% hafnium and 2% vanadium, the balance of the alloy being essentially nickel.

Abstract: A hydrogen-hydride absorption system comprising two reactor systems for chemically forming two hydride components, means for supplying heat to, and removing heat from, the component systems, means for partial thermal energy recovery from reactors in each of the systems, and means for conveying hydrogen between component reactor systems.A method for deriving refrigeration includes the steps of dehydrating the hydride of a first component reactor using a relatively low temperature thermal source and conveying the hydrogen to a second component reactor to be absorbed, and rejecting heat, decreasing the pressure of both component reactors along with partial heat recovery, supplying heat as a refrigeration load to dehydride the second component reactor and conveying the hydrogen to the first component reactor, and pressurizing both reactors through partial heat recovery and further heating.