A method (100) for making a non-aqueous rechargeable metal-air battery is provided. The method includes before and/or after inserting (108) a cathode in the battery, a pre-conditioning step (104, 106, 110) of a 3D nanomesh structure, so as to obtain a pre-conditioned 3D nanomesh structure, the pre-conditioned 3D nanomesh structure being free of cathode active material.

A cathode to be inserted into a non-aqueous rechargeable metal-air battery is also provided. The cathode includes a pre-conditioned 3D nanomesh structure made of nanowires made of electronic conductive metal material, the pre-conditioned 3D nanomesh structure being free of cathode active material.

A non-aqueous rechargeable metal-air battery including such a cathode is also provided.

An electrically conductive holder is provided that is suitable for receiving a tablet electrode of a button battery. The holder includes a bottom portion to be fitted coaxially within terminal of a button battery. The holder further includes an upstanding wall portion. The bottom portion is flat and provided with a plurality of apertures through the complete thickness of the bottom portion. At least one group of apertures is distributed at regular angular intervals around the center of the bottom portion, spanning 360°. The strips of solid material of the bottom portion between two adjacent apertures are preferable narrow compared to the dimensions of the adjacent apertures so as to provide a mechanical support for the tablet electrode while also being able to deform under the influence of a volumetric expansion of the electrode.

A liquid lead storage battery includes a grid-like substrate of a positive electrode current collector that includes a frame bone forming four sides of a rectangular shape. Intermediate bones are connected to and present inward of the frame bone. At least some vertical intermediate bones present in a range between the center between a pair of vertical frame bones and the first vertical frame bone, which is the vertical frame bone on the side where a lug is absent, are first vertical intermediate bones extending from the lower to the upper frame bone sides while obliquely expanding from each other, and directly reach an upper frame bone. Angles formed by the first vertical intermediate bones and the upper frame bone on the first vertical frame bone side are less than 90°. Connection points of the first vertical intermediate bones to the upper frame bone are present only in this range.

Disclosed is an electrode for a rechargeable energy storage device, including several inner layers interposed between two outer layers, the inner layers including several electrode material layers ME composed of at least one electrode active material and several porous current collector layers CC composed of electrically-conductive material(s) whose electronic conductivity is greater than or equal to 102 S.Math.cm-1, the layers of electrode material ME and current collector CC being alternated. The outer layers do not consist of the porous current collector layers CC. Additionally, the electrode has a total thickness ranging from strictly more than 4 mm, preferably ranging from strictly more than 4 mm to 10 mm, in particular ranging from strictly more than 4 mm to 8 mm.

Disclosed is an electrode for a rechargeable energy storage device, including several inner layers interposed between two outer layers, the inner layers including several electrode material layers ME composed of at least one electrode active material and several porous current collector layers CC composed of electrically-conductive material(s) whose electronic conductivity is greater than or equal to 102 S.Math.cm-1, the layers of electrode material ME and current collector CC being alternated. The outer layers do not consist of the porous current collector layers CC. Additionally, the electrode has a total thickness ranging from strictly more than 4 mm, preferably ranging from strictly more than 4 mm to 10 mm, in particular ranging from strictly more than 4 mm to 8 mm.

The present invention relates to a lithium secondary battery comprising: a current collector comprising a structure in a fabric form in which fiber bundles are cross-woven, wherein each of the fiber bundles is formed of sets of fiber yarns and each of the fiber yarns includes a polymer fiber and a metal layer surrounding the polymer fiber; and an electrode including an active material layer disposed on at least one surface of the current collector.

A battery cell includes a first electrode formed from at least one of a metal foil, a metal mesh or a metal layer on a substrate. A second electrode can be formed from at least partially oxidized material in a form of at least one of a metal foil, a metal layer on a substrate, a metal mesh, or a battery electrode that includes plurality of particles on current collector. A layer of an ion exchange material can be positioned between the first and second electrodes, with the ion exchange material capable of acting as an electrolyte in some embodiments.

A battery includes a positive electrode, a negative electrode, and a separator. The negative electrode forms a honeycomb core. The honeycomb core includes a first face, a second face, a partition, and a circumferential wall. The second face faces the first face. The partition is formed between the first face and the second face. The partition extends in a grid pattern to separate a plurality of hollow cells. The circumferential wall surrounds a circumference of the partition. The separator includes a first layer and a second layer. The first layer covers at least part of the partition. The second layer covers at least part of the first face and the second face. The positive electrode includes a first region and a second region. The first region is inserted in the hollow cells. The second region extends outwardly beyond the second layer of the separator.

A battery includes a positive electrode, a negative electrode, and a separator. The negative electrode forms a honeycomb core. The honeycomb core includes a first face, a second face, a partition, and a circumferential wall. The second face faces the first face. The partition is formed between the first face and the second face. The partition extends in a grid pattern to separate a plurality of hollow cells. The circumferential wall surrounds a circumference of the partition. The separator includes a first layer and a second layer. The first layer covers at least part of the partition. The second layer covers at least part of the first face and the second face. The positive electrode includes a first region and a second region. The first region is inserted in the hollow cells. The second region extends outwardly beyond the second layer of the separator.

A method (100) for making a non-aqueous rechargeable metal-air battery is provided. The method includes before and/or after inserting (108) a cathode in the battery, a pre-conditioning step (104, 106, 110) of a 3D nanomesh structure, so as to obtain a pre-conditioned 3D nanomesh structure, the pre-conditioned 3D nanomesh structure being free of cathode active material. A cathode to be inserted into a non-aqueous rechargeable metal-air battery is also provided. The cathode includes a pre-conditioned 3D nanomesh structure made of nanowires made of electronic conductive metal material, the pre-conditioned 3D nanomesh structure being free of cathode active material. A non-aqueous rechargeable metal-air battery including such a cathode is also provided.