An activatable battery includes at least one cathode, at least one anode, at least one absorptive separator layer in contact with the anode and the cathode and a liquid electrolyte separated therefrom and provided in an apparatus which liberates the electrolyte in order to activate the battery in such a way that it comes into contact with the separator layer and penetrates through the latter at least to such an extent that the electrolyte electrically connects the anode and the cathode to one another. The anode is formed of lithium or a lithium-containing alloy and the cathode includes elemental carbon and is formed of an unsupported film including carbon nanotubes or of a film formed of carbon nanotubes. An electronic igniter, a process for producing an activatable battery and a method of using a film in a battery are also provided.

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.

The present disclosure discloses a primary lithium battery comprising a reactive solid cathode, a liquid electrolyte, a separator, and a lithium anode. The liquid electrolyte is ionic conductive and is configured to undergo a series coupling reaction after solid phase reaction of the reactive solid cathode and the lithium anode. The liquid electrolyte comprises a solvent and an electrolyte salt, and a concentration of the electrolyte salt in the liquid electrolyte is 0.1-3 mol/L. The solvent comprises a sulfite ester type compound and an organic solvent, and a concentration of the sulfite ester type compound in the organic solvent is 5 wt % to 90 wt %.

A high capacity primary electrochemical lithium cell includes an anode comprising metallic lithium, a hybrid cathode comprising a liquid SO.sub.2 cathode and a solid cathode including a cathode material characterized by having a first electromotive force (EMF) when coupled to a metallic lithium anode. The first EMF is greater than a second EMF of a cell having a metallic lithium anode and a liquid SO.sub.2 cathode. A separator may separate the anode from the solid cathode. The cell includes an electrolyte solution including at least one ionizable salt dissolved in at least one organic solvent. The solid cathode material may include carbon monofluoride (CF.sub.X), a transition metal oxide, a mixture of two or more transition metal oxides or any combinations of such cathode materials. The solid cathode may also include a binder and a carbon based conductive material.

A binder includes a third polymer including a cross-linked product of a first polymer and a second polymer, wherein the first polymer includes a first functional group and is at least one selected from a polyamic acid and a polyimide, wherein the second polymer includes a second functional group and is water-soluble, and wherein the first polymer and the second polymer are cross-linked by an ester bond formed by a reaction of the first functional group and the second functional.

An energy storage device includes a printed current collector layer, where the printed current collector layer includes nickel flakes and a current collector conductive carbon additive. The energy storage device includes a printed electrode layer printed over the current collector layer, where the printed electrode layer includes an ionic liquid and an electrode conductive carbon additive. The ionic liquid can include 1-ethyl-3-methylimidazolium tetrafluoroborate (C.sub.2mimBF.sub.4). The current collector conductive carbon can include graphene and the electrode conductive carbon additive can include graphite, graphene, and/or carbon nanotubes.

This invention relates to the field of energy storage devices, and especially electrochemical energy storage devices including electrolytes comprising an ionic liquid, one or more solvents, and one or more salts of a Group 2 element. Effects on electrochemical performance of the electrolyte of each of the components of the electrolyte were systematically determined. In addition, interactions between the electrolytes and separator films were dissected to optimize electrochemical performance of coin cell batteries.

A metallic salt including at least one anion having a heterocyclic aromatic structure represented by one of Formulae 1 to 3; and a metallic cation:

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wherein, in Formulae 1 to 3, each X is independently N, P, or As, one of A.sub.1 and A.sub.2 is an electron-donating group, and the other one is an electron-withdrawing group, ring, Ar.sub.1 and ring Ar.sub.2 are as defined herein, L is a linker group as defined herein, m is an integer from 1 to 5, and n is an integer from 0 to 5.

A printed energy storage device includes a first electrode including zinc, a second electrode including manganese dioxide, and a separator between the first electrode and the second electrode, the first electrode, second, electrode, and separator printed onto a substrate. The device may include a first current collector and/or a second current collector printed onto the substrate. The energy storage device may include a printed intermediate layer between the separator and the first electrode. The first electrode, and the second electrode may include 1-ethyl-3-methylimidazolium tetrafluoroborate (C.sub.2mimBF.sub.4). The first electrode and the second electrode may include an electrolyte having zinc tetrafluoroborate (ZnBF.sub.4) and 1-ethyl-3-methylimidazolium tetrafluoroborate (C.sub.2mimBF.sub.4). The first electrode, the second electrode, the first current collector, and/or the second current collector can include carbon nanotubes. The separator may include solid microspheres.