Abstract: It is provided a secondary zinc-air battery comprising at least two secondary zinc-air electrochemical cells, each cell comprising an air cathode that is a bifunctional air electrode (BAE); a zinc-containing anode; a free electrolyte contained in a reservoir; and a first and a second separators; wherein the zinc-containing anode is disposed between the BAE and the free electrolyte, and is separated from the BAE by the first separator and separated from the free electrolyte by the second separator, and wherein the at least two cells are assembled together in such a way that a unique electrolyte reservoir containing the free electrolyte is placed between at least two zinc anodes and thus is shared by the at least two secondary zinc-air electrochemical cells.

Abstract: It is provided a secondary zinc-air electrochemical cell comprising an air cathode that is a bifunctional air electrode (BAE); a zinc-containing anode; a free electrolyte contained in a reservoir; and a first and a second separators; wherein the zinc-containing anode is disposed between the BAE and the free electrolyte, and is separated from the BAE by the first separator and separated from the free electrolyte by the second separator. It is also provided a process for the preparation of the secondary zinc-air cell, and a battery comprising at least one cell, and wherein no free electrolyte contained in a reservoir is disposed between the BAE and the zinc-containing anode.

Abstract: It is provided a functionalized metal oxide nanoparticle which is a metal oxide nanoparticle having pendant polymer brushes that are anchored to the metal oxide nanoparticle through an organosilane moiety and a process for the preparation thereof. It is also provided a solid electrolyte comprising the mentioned functionalized metal oxide nanoparticle, a lithium salt and an ionic conductive polymer matrix; and a lithium battery comprising the mentioned solid electrolyte; and a positive electrode comprising an ionic conductive binder comprising the mentioned functionalized metal oxide nanoparticle dispersed into an ionic conductive polymer matrix.

Abstract: It is provided a lithium metal anode coated with a protective monolayer disposed on at least a portion of the lithium metal anode, the protective monolayer consisting of a polymer; at least one inorganic particle selected from the group consisting of Al2O3, MnO, MnO2, SiO2, TiO2, ZnO, ZrO2, Fe2O3, CuO, a silicate, an aluminosilicate, a borosilicate, and an oxysalt, or any one of the mentioned inorganic particles which are functionalized; wherein the protective monolayer has a thickness from 0.01 to 10 ?m, the inorganic particles have an average diameter from 1 to 500 nm, and the at least one inorganic particle is in an amount of 0.01 to 30 wt % related to the amount of polymer. It is also provided a method for the preparation of the protected anode, as well as a lithium metal battery comprising it.

Abstract: It is provided a chalcogenide polymer-carbon composite comprising from 70.0 to 99.0 mol % of a chalcogenide; from 0.5 to 20.0 mol % of carbon in the form of a carbonaceous material, and from 0.5 to 10.0 mol % of a crosslinking moiety, with respect to the total amount of chalcogenide, carbon, and crosslinking moiety, wherein the chalcogenide is in the form of chalcogenide chains bonded to the crosslinking moiety and they are forming a structure wherein the carbonaceous material is embedded. It is also provided a process for its preparation, as well as a cathode comprising the chalcogenide polymer-carbon composite, and a battery comprising the cathode.