摘要:
A power source and related methods comprise a slurry-type reactive metal anode containing such metal as aluminum, lithium, sodium, calcium or magnesium, or alloys or mixtures of such metals, suspended in a flowing aqueous electrolyte, in conjunction with a water-consuming hydrogen-evolving cathode in an electro-chemical reactor cell, so as to generate electrical power from the metal-water reaction. The hydrogen evolving from said cell may be fed to a hydrogen-consuming fuel cell or battery to yield additional electrical energy.
摘要:
A compound cell for performing an electrochemical reaction at high temperature consists essentially of hollow, cylindrical bodies of a ceramic electrolyte, rings of an electronically conductive material coaxially interposed between each pair of electrolyte bodies, annular layers of ceramic insulating material bonding each ring to at least one of the two adjacent electrolyte bodies, the bodies, rings, and annular layers being diffusion welded to each other to form a cylindrical, gas-tight tube. A pair of electrode layers is associated with each electrolyte body, one layer of the pair covering the associated body inside the tube and conductively engaging one of the two adjacent rings, the other electrode layer of the pair covering the associated body outside the tube and conductively engaging the other adjacent ring.
摘要:
A separator free electrochemical generator wherein one of the electrodes, particularly the anode, is formed of a particulate active material suspended within an electrolyte and which comprises means for causing the circulation of the suspension formed within the corresponding electrode compartment in contact with a current collector, wherein further the active material forms a coating on cores formed of an inert material, the separation of the opposite electrode compartments being achieved by the collector itself which is provided with holes having sizes sufficient for authorizing the free passage of the electrolyte, however lower than the size of the inert cores of said particles.
摘要:
A process for the production of electric current in an electrochemical generator comprising a cell having a compartment contaning a liquid electrolyte, the surface of the lower face of the compartment being formed by all or part of the surface of an electron collector arranged on the electrolyte side, this process consisting in creating a flow through the compartment of the electrolyte containing active solid particles or solid particles transporting an active material, the density of the particles being greater than the density of the electrolyte, is characterized by the fact that a divergence of the streamlines of the flow is brought about before the flow penetrates into the compartment and by the fact that the particles move within the compartment in the form of a sedimentation bed which is contiguous to the surface of the lower face and substantially homogeneous over the entire width of the lower face, the sedimentation bed being entrained by the electrolyte.
摘要:
Fast alkali-metal-ion transporters are provided having low resistivities and low-activation-energy mobilities at temperatures at which alkali metals are molten. The novel compounds promote alkali-metal-ion transport in three dimensions within their crystalline structure and have the general formula:A.sub.n X.sub.2 (ZO.sub.4).sub.3orA.sub.m (Z'.sub.2 O.sub.4)wherein A is potassium, sodium or lithium, Z' is a tetrahedrally coordinated cation or mixtures thereof, X is an octahedrally coordinated cation or mixtures thereof, n is a number greater than 1 and less than 4, m is a number from 1 up to 2 and Z' is a mixture of at least two Z' cations.BACKGROUND OF THE INVENTION
摘要:
In an electric cell having a solid electrolyte and employing sodium as theiquid anode and sulphur as the liquid cathode, the liquid anode is contained in two compartments separated by a corrosion resistant barrier. Liquid anode is arranged to flow between the compartments through a flow restrictor which permits a rate of flow sufficient to meet the normal charge and discharge requirements of the cell but limits higher rates of flow.One of the compartments has a very limited capacity for liquid sodium and is disposed about one side of the solid electrolyte to define a wicking space to constrain liquid sodium to flow over the solid electrolyte. The other compartment provides a reservoir for containing the bulk of the liquid sodium.In the event of damage to the solid electrolyte, only a very limited amount of liquid sodium is readily available to mix and react with the liquid sulphur.
摘要:
An electrode-separator unit in the form of a nonmetallic honeycomb matrix, e.g., of porous organic or inorganic material, and having first catalyst electrode material, e.g., platinum, and second active battery electrode material, e.g., zinc, separately contained in cells of the honeycomb matrix. A fluid operable battery incorporating the above honeycomb electrode-separator unit.
摘要:
Electrochemical primary and secondary cells which utilize alkali or alkaline earth metal anodes such as lithium, potassium, sodium, calcium and magnesium, and catalytic air electrodes which utilize components of the atmosphere, namely, oxygen and water as a source of electrochemical power. The electrolyte system in the electrochemical cells comprises a nonaqueous electrolyte solvent, namely, an organic solvent of sufficient polarity to dissolve an electrolyte salt.