Abstract: A coated three-dimensional electronically conductive network for acting as an electrode in a metal or metal-ion battery is provided, wherein the metal may include one or more of Na, K, Li, Ca, Mg, and Al. The network can be a three-dimensional electronically conductive network that includes a plurality of interconnected electronically conductive wires. Such a network can have a porosity of at least 60% and a volumetric surface area of from 10?3 m2/cm3 to 100 m2/cm3. The network can additionally include an electronically insulating coating that conformally covers all surfaces of the network and that is permeable and/or conductive to ions of the metal at at least one temperature in the range of from ?30° C. to 150° C.

Abstract: A method for forming a solid electrolyte coating on a substrate (1), the method comprising: a. providing a first and a second electrode (3), b. coating a sol-gel precursor solution (4) of the solid electrolyte coating on the substrate (1) and electrically contacting the sol-gel precursor solution (4) with the first and the second electrode, the sol-gel precursor solution (4) being capable of forming a gel in presence of a voltage, and c. generating the voltage across the sol-gel precursor solution (4) via the first and the second electrodes, thereby transforming the sol-gel precursor solution (4) into a gel.

Abstract: The present invention relates to a calcium-based secondary cell containing: an electrolyte arranged between the negative electrode and the positive electrode and comprising a calcium salt of a fluorine-containing anion of formula (XFn)m? wherein n is a positive integer of at most 6 and m is a positive integer of at least 1 and m<n, a positive-electrode active material at the positive electrode which is a one-dimensional structure accommodating Ca2+ ions and has the formula (1): Can+2Me1(n+1)?y?zMe2yMe3zO3n+3??(1) wherein: Me1, Me2, Me3 are different transition metals; 1?n and n is not necessarily an integer; 0?y and y is not necessarily an integer; 0?z and z is not necessarily an integer.

Abstract: The present invention relates to a curable composition for preparing a composite polymer electrode, the curable composition containing: A) a Li-ion conducting solid electrolyte whose general composition has the formula: Li7+x?yMIIxMIII3?xMIV2?yO12 wherein MII, MIII, MIV, MV are species of valence II to V; where 0?x<3, preferably 0?x?2; and 0?y<2 preferably 0?y?1; (B) a polymer; (C) a lithium salt; (D) an active plasticizer; and (E) a photoinitiator. The invention also relates to a process of preparing the curable composition, cured compositions and films derived from the curable composition, and solid-state lithium batteries whose solid electrolyte layer contains a cured composition or a cured film according to the invention.

Abstract: An electrolyte composition, for use in particular in a lithium-air battery, includes (A) a fluorinated cation of structure R1R2R3N+-(linker1)-O-(linker2)-(FC), wherein R1, R2 and R3 are C1-C6 linear or branched alkyl groups, linkers linker1 and linker2 contain alkylene or oxyalkylene chains and FC is a fluorinated alkyl group; (B) an anion; (C) a solvent containing at least one —O—CH2—CH2—O— or —O—CH2—CHMe—O— group, an ?-caprolactone oligomer, or a dialkyl sulfoxide; and (D) a lithium salt.

Abstract: A control device for controlling charging of a non-aqueous metal air battery, the control device being configured to: determine a CO2 concentration (Cx) and an increase rate (RCO2) of CO2 concentration in the battery, charge the battery in case both the CO2 concentration (Cx) before starting charging exceeds a predetermined CO2 threshold (CT) and the increase rate of the CO2 concentration (RCO2) during charging is below a predetermined threshold value (?CT/?AhT, ?CT/?t), and stop charging when the increase rate (RCO2) exceeds the predetermined threshold value (?CT/?AhT, ?CT/?t). Also, a corresponding method of controlling charging of a rechargeable battery.

Abstract: Ionic compounds containing an anion, and a cation having the following structural formula (1): R1R2R3N+-(linker1)-O-(linker2)-(FC)??(1) wherein: R1 and R2 either linear or branched alkyl groups or together form a N-heterocylic ring with the nitrogen atom to which they are joined; R3 is linear or branched alkyl group; linker1 and linker2 are alkylene chains or polyether chains; and the group FC is a fluorinated alkyl group, as well as an electrolyte material comprising such an ionic compound and a metal salt, and metal-air batteries using such an electrolyte material. The invention also relates to a metal-air battery containing an electrolyte material, wherein the electrolyte material comprises at least one ionic compound and a metal salt, and wherein at least one ionic compound contains an anion CnF2n+1COO? or CnF2n+1SO3?, where in each case n is at least 1 and at most 10.

Abstract: A metal-halo oxyanion electrode and battery including the metal-halo oxyanion electrode is described.

Abstract: A method for charging a non-aqueous metal air battery comprising: if the voltage across the battery is lower than a first threshold voltage, charging (P1) the battery by applying a constant current to the battery having a first value until reaching the first threshold voltage, if the voltage across the battery is comprised between the first threshold voltage and a second threshold voltage higher than the first threshold voltage, charging (P2) the battery by applying a constant current to the battery having a second value until reaching the second threshold voltage, the second value being lower than the first value, if the voltage across the battery is higher than the second threshold, charging (P3) the battery by applying to the battery at least one value of constant voltage.

Abstract: The present invention relates to a calcium-based secondary cell comprising, as a positive-electrode active material, a titanium-based material comprising at least titanium (IV) and sulfide.

Abstract: The present invention relates to a calcium-based secondary cell containing: an electrolyte arranged between the negative electrode and the positive electrode and comprising a calcium salt of a fluorine-containing anion of formula (XFn)m? wherein n is a positive integer of at most 6 and m is a positive integer of at least 1 and m<n, a positive-electrode active material at the positive electrode which is a one-dimensional structure accommodating Ca2+ ions and has the formula (1): Can+2Me1(n+1)?y?zMe2yMe3zO3n+3 ??(1) wherein: Me1, Me2, Me3 are different transition metals; 1?n and n is not necessarily an integer; 0?y and y is not necessarily an integer; 0?z and z is not necessarily an integer.

Abstract: The present invention relates to a curable composition for preparing a composite polymer electrode, the curable composition containing: A) a Li-ion conducting solid electrolyte whose general composition has the formula: Li7+x?yMIIxMIII3?xMIV2?yO12 wherein MII, MIII, MIV, MV are species of valence II to V; where 0?x<3, preferably 0?x?2; and 0?y<2 preferably 0?y?1; (B) a polymer; (C) a lithium salt; (D) an active plasticizer; and (E) a photoinitiator. The invention also relates to a process of preparing the curable composition, cured compositions and films derived from the curable composition, and solid-state lithium batteries whose solid electrolyte layer contains a cured composition or a cured film according to the invention.

Abstract: A calcium-based secondary cell including, as a positive-electrode active material, a molybdenum oxide-based material containing molybdenum in an oxidation state of 4 or more and 6 or less.

Abstract: A method for charging a non-aqueous metal air battery comprising: if the voltage across the battery is lower than a first threshold voltage, charging (P1) the battery by applying a constant current to the battery having a first value until reaching the first threshold voltage, if the voltage across the battery is comprised between the first threshold voltage and a second threshold voltage higher than the first threshold voltage, charging (P2) the battery by applying a constant current to the battery having a second value until reaching the second threshold voltage, the second value being lower than the first value, if the voltage across the battery is higher than the second threshold, charging (P3) the battery by applying to the battery at least one value of constant voltage.

Abstract: A calcium-based secondary cell including a negative electrode that includes a negative-electrode active material, a positive electrode that includes a positive-electrode active material, an electrolyte arranged between the negative electrode and the positive electrode, and a temperature control element. The negative-electrode active material is capable of accepting and releasing calcium ions, and the positive-electrode active material is capable of accepting and releasing calcium ions. The electrolyte includes calcium ions and an electrolyte medium, and is not solid at a temperature of about 20° C. and a pressure of about 1 atm. The electrolyte medium includes a non-aqueous solvent.

Abstract: A control device for controlling charging of a non-aqueous metal air battery, the control device being configured to: determine a CO2 concentration (Cx) and an increase rate (RCO2) of CO2 concentration in the battery, charge the battery in case both the CO2 concentration (Cx) before starting charging exceeds a predetermined CO2 threshold (CT) and the increase rate of the CO2 concentration (RCO2) during charging is below a predetermined threshold value (?CT/?AhT, ?CT/?t), and stop charging when the increase rate (RCO2) exceeds the predetermined threshold value (?CT/?AhT, ?CT/?t). Also, a corresponding method of controlling charging of a rechargeable battery.

Abstract: Ionic compounds containing an anion, and a cation having the following structural formula (1): R1R2R3N+-(linker1)-O-(linker2)-(FC)??(1) wherein: R1 and R2 either linear or branched alkyl groups or together form a N-heterocylic ring with the nitrogen atom to which they are joined; R3 is linear or branched alkyl group; linker1 and linker2 are alkylene chains or polyether chains; and the group FC is a fluorinated alkyl group, as well as an electrolyte material comprising such an ionic compound and a metal salt, and metal-air batteries using such an electrolyte material. The invention also relates to a metal-air battery containing an electrolyte material, wherein the electrolyte material comprises at least one ionic compound and a metal salt, and wherein at least one ionic compound contains an anion CnF2n+1COO? or CnF2n+1SO3?, where in each case n is at least 1 and at most 10.

Abstract: The present disclosure concerns an electrolyte suitable for calcium-based secondary cells, comprising calcium ions and an electrolyte medium, wherein the electrolyte is not solid at standard conditions and wherein the electrolyte medium includes at least two distinct non-aqueous solvents.

Abstract: A calcium-based secondary cell including, as a positive-electrode active material, a molybdenum oxide-based material containing molybdenum in an oxidation state of 4 or more and 6 or less.

Abstract: An electrochemical system can include transition metal nanoparticles as a promoter for an electrode. The transition metal nanoparticles can include molybdenum (Mo), chromium (Cr), and/or the oxides thereof, which can lower recharge potentials and enhance the efficiency. These promoters promote especially the generation of oxygen and this for several cycles of usage of the electrochemical system which is, as a result, rechargeable.