Abstract: Disclosed in the present application are an information configuration method and apparatus, and a network device, a first device and a storage medium. The method comprises: a network device sending first information to a first device, wherein the first information at least indicates an association relationship between a first network and a network slice, and the first network is used for connecting a terminal and the first device.

Abstract: The present disclosure provides a cell and an electrochemical device. The cell comprises: a first electrode plate comprising a first current collector and a first active material layer, a second electrode plate comprising a second current collector and a second active material layer; a first electrode tab, a second electrode tab, a separator. The first current collector has a first surface uncoated region; the second current collector has a second surface uncoated region; the first electrode tab is provided on the first surface uncoated region, the second electrode tab is provided on the second surface uncoated region. The first electrode tab and/or the second electrode tab are enlarged in length and width. When the cell is subjected to a mechanical shock, the first electrode tab and the second electrode tab are deformed to puncture the separator therebetween, so the first current collector and the second current collector are electrically connected.

Abstract: The present disclosure provides a positive active material and a lithium-ion secondary battery. The positive active material comprises LiCoO2 (LCO) and LiFexMn1-xPO4 (LFMP), 0.25?x?0.4; a mass ratio of LiFexMn1-xPO4 to LiCoO2 is m, and 0<m?0.45; LiFexMn1-xPO4 is a polycrystalline particle with an olivine structure; LiCoO2 is a polycrystalline particle with a laminated structure; an average particle diameter D50 of the polycrystalline particle of LiFexMn1-xPO4 is smaller than an average particle diameter D50 of the polycrystalline particle of LiCoO2, and the polycrystalline particle of LiFexMn1-xPO4 is filled in the polycrystalline particle of LiCoO2. The lithium-ion secondary battery comprises the aforementioned positive active material.

Abstract: The present disclosure provides a cell and an electrochemical device. The cell comprises: a first electrode plate comprising a first current collector and a first active material layer, a second electrode plate comprising a second current collector and a second active material layer; a first electrode tab, a second electrode tab, a separator. The first current collector has a first surface uncoated region; the second current collector has a second surface uncoated region; the first electrode tab is provided on the first surface uncoated region, the second electrode tab is provided on the second surface uncoated region. The first electrode tab and/or the second electrode tab are enlarged in length and width. When the cell is subjected to a mechanical shock, the first electrode tab and the second electrode tab are deformed to puncture the separator therebetween, so the first current collector and the second current collector are electrically connected.

Abstract: The present disclosure provides a cell and an electrochemical device. The cell comprises: a first electrode plate comprising a first current collector and a first active material layer, a second electrode plate comprising a second current collector and a second active material layer; a first electrode tab, a second electrode tab, a separator. The first current collector has a first surface uncoated region; the second current collector has a second surface uncoated region; the first electrode tab is provided on the first surface uncoated region, the second electrode tab is provided on the second surface uncoated region. The first electrode tab and/or the second electrode tab are enlarged in length and width. When the cell is subjected to a mechanical shock, the first electrode tab and the second electrode tab are deformed to puncture the separator therebetween, so the first current collector and the second current collector are electrically connected.

Abstract: The present disclosure provides a positive active material and a lithium-ion secondary battery. The positive active material comprises LiCoO2 (LCO) and LiFexMn1-xPO4 (LFMP), 0<x?0.4; a mass ratio of LiFexMn1-xPO4 to LiCoO2 is m, and 0<m?0.45; LiFexMn1-xPO4 is a polycrystalline particle with an olivine structure; LiCoO2 is a polycrystalline particle with a laminated structure; an average particle diameter D50 of the polycrystalline particle of LiFexMn1-xPO4 is smaller than an average particle diameter D50 of the polycrystalline particle of LiCoO2, and the polycrystalline particle of LiFexMn1-xPO4 is filled in the polycrystalline particle of LiCoO2. The lithium-ion secondary battery comprises the aforementioned positive active material. The lithium-ion secondary battery of the present disclosure has a high voltage platform and a high energy density, and also has an excellent rate performance, an excellent cycle performance and an excellent safety performance.

Abstract: The present disclosure provides a lithium-ion battery positive electrode material and a preparation method thereof.

Abstract: The present disclosure provides a cell and an electrochemical device. The cell comprises: a first electrode plate comprising a first current collector and a first active material layer, a second electrode plate comprising a second current collector and a second active material layer; a first electrode tab, a second electrode tab, a separator. The first current collector has a first surface uncoated region; the second current collector has a second surface uncoated region; the first electrode tab is provided on the first surface uncoated region, the second electrode tab is provided on the second surface uncoated region. The first electrode tab and/or the second electrode tab are enlarged in length and width. When the cell is subjected to a mechanical shock, the first electrode tab and the second electrode tab are deformed to puncture the separator therebetween, so the first current collector and the second current collector are electrically connected.