Abstract: The present disclosure relates to the technical field of battery, and discloses an integrated bus bar element for a battery, a battery and a vehicle; wherein the integrated bus bar element comprises a bus bar (20, 20a, 20b), and a plurality of branch bars (28a-28j) for electrical connection to battery cells (10, 10a, 10b) respectively, and the bus bar (20, 20a, 20b) and the branch bars (28a-28j) are made of a single conductor and integrally formed as a single piece. The integrated bus bar element of the present disclosure eliminates the connection points between the bus bar and the branch bars, a step of connecting the bus bar and the branch bars is not required to be implemented during the battery assembly, thus the reliability and assembly convenience of the battery are greatly improved.

Abstract: Disclosed herein is composite for the cathode of Li-ion battery comprising: a first component and a second component represented by LiNi0.5Mn1.5O2; wherein the first component contains active material or surface treated active material, wherein the active material is represented by a formula Li1+a(Ni1?b?cCobMnc)O2, 0?a?0.5, 0?b?0.4, 0?c?0.6, with b+c<1; based on the total amount of the composite, the content of the second component is 1 wt % to 30 wt %. Also disclosed herein is a Li-ion battery comprising a cathode, an anode and a separator sandwiched therebetween, wherein the cathode contains the above mentioned composite. The present disclosure provides a cathode material for Li-ion batteries with greater high voltage stability, high voltage capacity retention, high energy density and greater cycle life than the existing material.

Abstract: The present disclosure relates to the technical field of battery, and discloses an integrated bus bar element for a battery, a battery and a vehicle; wherein the integrated bus bar element comprises a bus bar (20, 20a, 20b), and a plurality of branch bars (28a-28j) for electrical connection to battery cells (10, 10a, 10b) respectively, and the bus bar (20, 20a, 20b) and the branch bars (28a-28j) are made of a single conductor and integrally formed as a single piece. The integrated bus bar element of the present disclosure eliminates the connection points between the bus bar and the branch bars, a step of connecting the bus bar and the branch bars is not required to be implemented during the battery assembly, thus the reliability and assembly convenience of the battery are greatly improved.

Abstract: The present invention provides a secondary battery comprising a housing with an internal chamber and Li-ion pouch cells including electrical terminals exposed to the outside of the housing. The secondary battery further includes an venting mechanism made of compressible materials to form air pockets to relieve internally generated pressure inside of said internal chamber by venting of compressible material air pockets to the outside of the housing, and the Li-ion pouch cells and the compressible materials are all encapsulated within a potting layer and located in said internal chamber of the housing.

Abstract: The present invention provides a secondary battery comprising a housing with an internal chamber and Li-ion pouch cells including electrical terminals exposed to the outside of the housing. The secondary battery further includes an venting mechanism made of compressible materials to form air pockets to relieve internally generated pressure inside of said internal chamber by venting of compressible material air pockets to the outside of the housing, and the Li-ion pouch cells and the compressible materials are all encapsulated within a potting layer and located in said internal chamber of the housing.

Abstract: A composition for use, for example, in an electrode in a Nickel-Metal-Hydride battery is provided that consists of metal hydrides together with a certain percentage of nano-sized reactive metal particles, preferably either nickel, manganese, aluminum, cobalt, copper, tin, palladium, silver, gold, lanthanum, and/or alloys thereof. The addition of nano-metals enhances the hydrogen charging characteristics of the battery.

Abstract: A microporous separator film for electrochemical cells and a method of making such films is disclosed. The microporous separator film includes an intimate mixture of an electrically insulating matrix phase and a self-switching voltage activated conductive phase, wherein the voltage activated conductive phase provides a plurality of conductive paths from a first face of the microporous separator film to a second face of the microporous separator film. The method for making the composite microporous separator film includes the steps of forming an intimate mixture of at least an insulating matrix phase and a self-switching voltage activated phase, forming a film from the mixture, and generating pores within the film.

Abstract: A high throughput combinatorial screening method and apparatus for the evaluation of electrochemical materials using a single voltage source (2) is disclosed wherein temperature changes arising from the application of an electrical load to a cell array (1) are used to evaluate the relative electrochemical efficiency of the materials comprising the array. The apparatus may include an array of electrochemical cells (1) that are connected to each other in parallel or in series, an electronic load (2) for applying a voltage or current to the electrochemical cells (1), and a device (3), external to the cells, for monitoring the relative temperature of each cell when the load is applied.