Abstract: Method (100) for making a cathode for secondary battery, including mixing (102) an active material and a conductive material with an electron beam curable pre-polymer so as to obtain a solvent-free mixture made of the active material, the conductive material and the pre-polymer, passing the solvent-free mixture in a Moisture Powder Sheeting device, polymerizing (108) the pre-polymer with an electron beam so as to obtain a polymerized active layer on the metallic foil, pressing (110) the polymerized active layer on the metallic foil at room temperature so as to increase the density of the polymer active layer. A composition for making a cathode for secondary battery, the composition including an active material, a conductive material and an electron beam curable pre-polymer, the composition being solvent-free. A cathode made from the composition and a secondary battery including the cathode.

Abstract: A positive electrode active material has O6-type structure having Lix [AzBw(Li1/6Ni1/6Mn4/6)1-z-w]O2, wherein 1?x>0; z<0.005; when present, A is at least one element chosen from the group consisting of: Mg, Ca, Sr, Sc, Y, La, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co, Zn and Al; w<0.05; and when present, B is at least one element chosen from the group consisting of: Mg, Ca, Sr, Sc, Y, La, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Zn, and Al.

Abstract: Composition includes: (A) a mixed oxide of lithium, nickel, manganese and cobalt and (B) a fluorinated anion salt of a polycationic polymer. The fluorinated anion salt of the polycationic polymer contains repeating units represented by one of formula (1) or formula (2): wherein, in the formula (1), N+ is a nitrogen atom constituting a quaternary ammonium cation, R1 and R2 being each independently a substituent containing a carbon atom bonded to the nitrogen atom, wherein, in the formula (2), R3 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.

Abstract: A composition of general formula (1): Nax[MnaNibCrc]O2+y (1), wherein: 0.6?x?0.8; ?0.1?y?0.1; 0.55?a?0.7; 0.25?b?0.3; c?0.05; and a+b+c?1.0, an intermediate product for preparing a composition of general formula (1) and a process of synthesis, wherein the mixed sodium-transition metal oxide of general formula (1) may generally show an essentially or solely P2 structure, and may be used as a positive electrode material for a sodium ion secondary battery.

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: 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.