A method of forming a package is provided and includes providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers; and welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges, wherein the edge portions include edges from which electrode terminals extend such that portions of the electrode terminals are exposed beyond the edges, and wherein the edge portions are between a sealing portion and exposed portions of positive and negative electrode terminals.

A method of forming a package is provided and includes providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers; and welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges, wherein the edge portions include edges from which electrode terminals extend such that portions of the electrode terminals are exposed beyond the edges, and wherein the edge portions are between a sealing portion and exposed portions of positive and negative electrode terminals.

Batteries having hybrid electrode configurations are disclosed herein. In one embodiment, a battery comprises an electrode assembly. The electrode assembly comprises a first cathode including a first cathode active material, a second cathode including a second cathode active material different from the first cathode active material, a first anode disposed between the first cathode and the second cathode, a first separator interposed between the first cathode and the first anode, and a second separator interposed between the second cathode and the first anode.

The present invention relates to an electrochemical device allowing charge and discharge of electric energy by an electrochemical reaction, and a method of manufacturing the same. More particularly, the present invention relates to an electrochemical device which does not require a separate terminal, and a method of continuously producing the same.

The present invention relates to asymmetric sulfonamide compounds comprising at least: one polycyclic group, Ar, formed of two to six rings, at least one of which is aromatic, a linear or branched, saturated or unsaturated aliphatic chain, said chain possibly being interrupted by one or more heteroatoms, said group Ar and said aliphatic chain being covalently bonded via a spacer represented by a sulfonamide unit SO.sub.2NH or its anionic form SO.sub.2N.sup.-; and, optionally a counter-cation of the anionic form of the sulfonamide unit, chosen among the alkali metals and the proton H.sup.+. These compounds are of particular interest as single-ion conducting polymer electrolyte.

The present invention provides a lithium-sulfur thermal battery including: a positive electrode including sulfur (S.sub.8) or a sulfur compound, and a solid electrolyte including a lithium salt and a polymer having a melting point lower than a melting point of a negative electrode; a lithium metal negative electrode or lithium alloy; a solid electrolyte membrane disposed between the positive electrode and the negative electrode and including a lithium salt and a polymer having a melting point lower than a melting point of the lithium metal negative electrode or lithium alloy; and a heater configured to provide heat so that the polymer is melted.

A water-activated power generating device comprising a silicon slice having a cut, a first water storage element, and a fixing ring sandwiched by the silicon slice and the first water storage element and having an inner space. The water-activated power generating device further comprises a conductive rod penetrating the silicon slice, the fixing ring, and the first water storage element. The water-activated power generating device further comprises an electrode structure having a hollow cylinder shape and an isolation film disposed adjacent to an inner surface of the electrode structure. Electrolytic powder is disposed in a space between the isolation layer and the conductive rod; and a bottom conductive plate is disposed at the bottom of the electrode structure and electrically connected to the inner surface of the electrode structure.

The invention features an electrochemical cell having an anode and a cathode; wherein at least one of the anode and cathode includes a solid ionically conducting polymer material that can ionically conduct hydroxyl ions.

A polymer gel electrolyte containing at least a lithium salt and an aprotic solvent, in which an amorphous polymer layer is formed on the surface of an electrode active material.

The disclosure concerns an electrochemical cell including a cathode, an electrolyte, and an anode including an elemental metal or metal alloy. The electrolyte includes an electrolyte salt, an ionic liquid, and an optional first polymer binder. The electrolyte and/or the anode further includes a protective metal salt in an amount sufficient to (i) reduce or eliminate hydrogen evolution or open circuit side reactions in the electrochemical cell, or (ii) plate out onto or alloy with the anode metal or conductive additives in the anode. The electrochemical cell may further include a first current collector in contact with the cathode, and a second current collector in contact with the anode. The second current collector may include a metal or metal alloy. In such cells, the second current collector may further include the protective metal salt, and the protective metal salt may plate out onto or alloy with the metal or metal alloy of the second current collector.