Abstract: An electrolyte composition (A) containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (I) wherein X1 and X2 are independently from each other selected from N(R1), P(R1), O, and S, Y1 and Y2 are independently from each other selected from (O), (S), (PR2) and (NR2); and electrochemical cells containing electrolyte composition (A).

Abstract: The present invention relates to sodium oxygen cells comprising (A) at least one anode comprising sodium, (B) at least one gas diffusion electrode comprising at least one porous support, and (C) a liquid electrolyte comprising at least one aprotic glycol diether with a molecular weight Mn of not more than 350 g/mol. The present invention further relates to the use of the invention sodium oxygen cells and to a process for preparing sodium supperoxide of formula NaO2.

Abstract: The present invention relates to an electrolyte composition (A) containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (I) and (iv) optionally at least one further additive.

Abstract: The present invention relates to an electrolyte composition (A) containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (I) and (iv) optionally at least one further additive.

Abstract: An electrolyte composition (A) containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (NC)(A1X1)C?C(X2A2)(CN) wherein X1 and X2 are independently from each other selected from N(R?), P(R1), O, and S, and A1 and A2 are selected from H or organic substituents; and electrochemical cells containing electrolyte composition (A).

Abstract: An electrolyte composition (A) containing (i) at least one aprotic organic solvent, (ii) at least one conducting salt different from the at least one compound of formula (I), (iii) at least one compound of formula (I), wherein R1, R2, R3, and R4 are selected from C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C6-C14 aryl and C5-C14 heteroaryl and wherein R4 is different from each R1, R2, and R3, (iv) optionally at least one further additive.

Abstract: Provided are a process for producing an active cathode material comprising at least one oxide of a metal M and at least one sulfide of said metal M, an active cathode material obtained by said process, electrodes comprising said active cathode material and rechargeable electrochemical cells comprising said electrodes.

Abstract: Nanostructured thin film catalysts which may be useful as fuel cell catalysts are provided, the catalyst materials including intermixed inorganic materials. In some embodiments the nanostructured thin film catalysts may include catalyst materials according to the formula PtxM(1-x) where x is between 0.3 and 0.9 and M is Nb, Bi, Re, Hf, Cu or Zr. The nanostructured thin film catalysts may include catalyst materials according to the formula PtaCobMc where a+b+c=1, a is between 0.3 and 0.9, b is greater than 0.05, c is greater than 0.05, and M is Au, Zr, or Ir. The nanostructured thin film catalysts may include catalyst materials according to the formula PtaTibQc where a+b+c=1, a is between 0.3 and 0.9, b is greater than 0.05, c is greater than 0.05, and Q is C or B.

Abstract: The present invention relates to an active cathode material of the general formula (I) MxNiaM1bM2c02 (I) in which the variables are each defined as follows: M is an alkali metal, M1 is V, Cr, Mn, Fe or Co, M2 is Ge, Sn, Ti or Zr, x is in the range from 0.7 to 1.3, a is in the range from 0.15 to 0.4, b is in the range from 0.2 to 0.7, c is in the range from 0.15 to 0.4, wherein a+b+c=1. The present invention further relates to an electrode material comprising said active cathode material, to electrodes produced from or using said electrode material and to a rechargeable electrochemical cell comprising at least one electrode. The present invention further relates to a process for preparing said active cathode material of the general formula (I).

Abstract: Electrochemical cells comprise (A) at least one cathode comprising at least one lithiated Mn-containing compound having an Mn content of from 60 to 80 mol %, based on transition metal in cathode (A), (B) at least one anode comprising carbon in electrically conductive form, (C) at least one electrolyte comprising (a) at least one aprotic organic solvent, (b) at least one lithium salt, and (c) at least one organic compound having at least one Si—N single bond per molecule.

Abstract: The present invention relates to an active cathode material of the general formula (I): MxNiaM1bM2cOc (I) in which the variables are each defined as follows: M is an alkali metal, M1 is V, Cr, Mn, Fe or Co, M2 is Ge, Sn, Ti or Zr, x is in the range from 0.5 to 0.8, a is in the range from 0.1 to 0.4, b is in the range from 0.05 to 0.6, c is in the range from 0.05 to 0.6, wherein a+b+c=1. The present invention further relates to an electrode material comprising said active cathode material, to electrodes produced from or using said electrode material and to a rechargeable electrochemical cell comprising at least one electrode. The present invention further relates to a process for preparing said active cathode material of the general formula (I).

Abstract: The present invention relates to a process for producing carbon-supported nickel-cobalt-oxide catalysts, to carbon-supported nickel-cobalt-oxide catalysts obtainable or obtained by the process according to the invention, to gas diffusion electrodes comprising said carbon-supported nickel-cobalt-oxide catalysts and to electrochemical cells comprising said gas diffusion electrodes.

Abstract: An electrolyte composition (A) containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (I) wherein A1, A2, A3, A4, A5, and A6 are independently from each other selected from H and F, wherein at least one of the group A1, A2, A3, A4, A5, and A6 is F; R is selected from R1, and C(O)OR1, and R1 is selected from C1-C6 alkyl, C3-C6 cycloalkyl, C2-C6 alkenyl, C3-C6 cycloalkenyl, C5-C7 (hetero)aryl, and C2-C6 alkinyl, wherein alkyl, cycloalkyl, alkenyl, cycloalkenyl, (hetero)aryl, and alkinyl may be substituted by one or more F; and (iv) optionally at least one further additive.

Abstract: The present invention relates to electrode materials for charged electrical cells, comprising at least one polymer comprising polysulfide bridges, and carbon in a polymorph comprising at least 60% sp2-hybridized carbon atoms. The present invention further relates to electrical cells comprising the inventive electrode material, to specific polymers comprising polysulfide bridges, to processes for preparation thereof and to the use of the inventive cells.

Abstract: The present invention relates to electrode materials for electrical cells, containing, as component (A), at least one polymer including polymer chains formed from identical or different monomer units selected from substituted and unsubstituted vinyl units and substituted and unsubstituted C2-C10-alkylene glycol units and containing at least one monomer unit -M1- including at least one thiolate group —S? or at least one end of a disulfide or polysulfide bridge —(S)m— in which m is an integer from 2 to 8, the thiolate group or the one end of the disulfide or polysulfide bridge —(S)m— in each case being bonded directly to a carbon atom of the monomer unit -M1-, and, as component (B), carbon in a polymorph containing at least 60% sp2-hybridized carbon atoms. The present invention also relates to electrical cells containing the inventive electrode material, to specific polymers, to processes for preparation, and to uses of the inventive cells.

Abstract: A lithium ion battery comprising (i) at least one anode, (ii) at least one cathode containing a cathode active material selected from lithium ion containing transition metal compounds having a content of Manganese of from 50 to 100% wt. based on the total weight of transition metal in the lithium ion containing transition metal compound, and (iii) at least one electrolyte composition containing •(A) at least one aprotic organic solvent, •(B) 0.01 up to less than 5% wt. based on the total weight of the electrolyte composition of at least one compound selected from the group consisting of lithium bis(oxalato)borate, lithium difluoro(oxalato)borate, lithium tetrafluoro(oxalato)phosphate, lithium oxalate, lithium (malonato oxalato)borate, lithium (salicylato oxalato)borate, lithium tris(oxalato)phosphate and vinylene carbonate compounds of formula (I), •(C) 0.01 up to less than 5% wt.

Abstract: The present invention relates to a process for producing carbon-supported manganese oxide catalysts, to carbon-supported manganese oxide catalysts obtainable or obtained by the process according to the invention, to gas diffusion electrodes comprising said carbon-supported manganese oxide catalysts and to electrochemical cells comprising said gas diffusion electrodes.

Abstract: The present invention relates to sodium oxygen cells comprising (A) at least one anode comprising sodium, (B) at least one gas diffusion electrode comprising at least one porous support, and (C) a liquid electrolyte comprising at least one aprotic glycol diether with a molecular weight Mn of not more than 350 g/mol. The present invention further relates to the use of the invention sodium oxygen cells and to a process for preparing sodium supperoxide of formula NaO2.

Abstract: The present invention relates to electrode materials for electrical cells, containing, as component (A), at least one polymer including polymer chains formed from identical or different monomer units selected from substituted and unsubstituted vinyl units and substituted and unsubstituted C2-C10-alkylene glycol units and containing at least one monomer unit -M1- including at least one thiolate group —S? or at least one end of a disulfide or polysulfide bridge —(S)m— in which m is an integer from 2 to 8, the thiolate group or the one end of the disulfide or polysulfide bridge —(S)m— in each case being bonded directly to a carbon atom of the monomer unit -M1-, and, as component (B), carbon in a polymorph containing at least 60% sp2-hybridized carbon atoms. The present invention also relates to electrical cells containing the inventive electrode material, to specific polymers, to processes for preparation, and to uses of the inventive cells.

Abstract: Nanostructured thin film catalysts which may be useful as fuel cell catalysts are provided, the catalyst materials including intermixed inorganic materials. In some embodiments the nanostructured thin film catalysts may include catalyst materials according to the formula PtxM(1?x) where x is between 0.3 and 0.9 and M is Nb, Bi, Re, Hf, Cu or Zr. The nanostructured thin film catalysts may include catalyst materials according to the formula PtaCobMc where a+b+c=1, a is between 0.3 and 0.9, b is greater than 0.05, c is greater than 0.05, and M is Au, Zr, or Ir. The nanostructured thin film catalysts may include catalyst materials according to the formula PtaTibQc where a+b+c=1, a is between 0.3 and 0.9, b is greater than 0.05, c is greater than 0.05, and Q is C or B.