Abstract: A method for updating a capacity of a battery for the information of a user includes detecting a state of charge-1 of the battery and an actual capacity-1 of the battery and determining a first state of charge according to the state of charge-1 of the battery. The method further includes determining a second state of charge according to the state of charge-1 of the battery and the actual capacity-1 of the battery and updating an actual capacity-2 of the battery according to the first state of charge and the second state of charge. An electronic device and a non-transitory storage medium are further provided.

Abstract: The present application relates to the field of batteries, and discloses a battery and a manufacturing method for the same. The battery comprises a package bag, an electrode, and a circuit board assembly. The electrode is located in the package bag, and the electrode is further provided with a terminal. The terminal has one end connected to the electrode and located inside the package bag, and the other end located outside the package bag. The other end of the terminal is electrically connected to the circuit board assembly to form a protection portion, and the protection portion is covered by a protection layer. In the foregoing embodiment, the protection layer can cover structures requiring insulation protection, such as the circuit board assembly and the terminal, and the protection layer can be tightly adhered to the surfaces of the structures, thereby improving the reliability.

Abstract: A method for updating a capacity of a battery for the information of a user includes detecting a state of charge-1 of the battery and an actual capacity-1 of the battery and determining a first state of charge according to the state of charge-1 of the battery. The method further includes determining a second state of charge according to the state of charge-1 of the battery and the actual capacity-1 of the battery and updating an actual capacity-2 of the battery according to the first state of charge and the second state of charge. An electronic device and a non-transitory storage medium are further provided.

Abstract: The present application relates to the field of batteries, and discloses a battery and a manufacturing method for the same. The battery comprises a package bag, an electrode, and a circuit board assembly. The electrode is located in the package bag, and the electrode is further provided with a terminal. The terminal has one end connected to the electrode and located inside the package bag, and the other end located outside the package bag. The other end of the terminal is electrically connected to the circuit board assembly to form a protection portion, and the protection portion is covered by a protection layer. In the foregoing embodiment, the protection layer can cover structures requiring insulation protection, such as the circuit board assembly and the terminal, and the protection layer can be tightly adhered to the surfaces of the structures, thereby improving the reliability.

Abstract: The present disclosure provides a lithium-rich electrode plate of a lithium-ion battery and a preparation method thereof. The preparation method of the lithium-rich electrode plate of the lithium-ion battery comprises steps of: (1) in a protective gas environment, melting a lithium ingot to obtain a melting lithium; (2) in a vacuum environment, heating and drying ceramic particles to obtain dried and anhydrous ceramic particles; (3) in a protective gas environment, adding the dried and anhydrous ceramic particles into the melting lithium, stirring to make them uniformly mixed to obtain a modified melting lithium; (4) in a protective gas environment, uniformly coating the modified melting lithium on a surface of an electrode plate to be lithium rich to form a lithium-rich layer, which is followed by cooling to room temperature to obtain a lithium-rich electrode plate of a lithium-ion battery. The lithium-rich electrode plate is prepared according to the preparation method.

Abstract: The invention relates to a lithium-rich electrode plate of a lithium-ion battery and a preparation method thereof. The electrode plate includes a collector; a film containing an active material and forming on the collector, and forming an elementary electrode plate together with the collector; and a porous lithium sheet covering on the film, so that a resulting capacity of the porous lithium sheet matches a planned lithium-supplemental capacity to an anode of a lithium-ion battery. The electrode plate can accurately control lithium supplemental quantity to the anode, improve lithium-supplemental uniformity, improve the first coulombic efficiency, energy density, and electrochemical performance of the battery, and decrease deformation of the cell. Furthermore, the method can be performed simply and the cost thereof is low.

Abstract: The present disclosure provides a preparation method of a porous composite separator, which comprises steps of: (1) a forming process of a porous separator substrate: taking organic particles as a raw material to obtain a porous separator substrate; (2) a coating process of a functional material layer: coating a functional material layer on at least one surface of the obtained porous separator substrate to obtain a porous separator substrate having a functional material layer; (3) a heat treating process: drying the functional material layer and heating the porous separator substrate and the functional material layer on the surface of the obtained porous separator substrate to obtain a porous composite separator. The preparation method can prepare a porous composite separator with an excellent performance in high efficiency and low cost, the porous composite separator has high porosity, high air permeability, high binding performance, high mechanical strength and high thermal stability.

Abstract: The present disclosure provides a lithium-rich electrode plate of a lithium-ion battery and a preparation method thereof. The preparation method of the lithium-rich electrode plate of the lithium-ion battery comprises steps of: (1) in a protective gas environment, melting a lithium ingot to obtain a melting lithium; (2) in a vacuum environment, heating and drying ceramic particles to obtain dried and anhydrous ceramic particles; (3) in a protective gas environment, adding the dried and anhydrous ceramic particles into the melting lithium, stirring to make them uniformly mixed to obtain a modified melting lithium; (4) in a protective gas environment, uniformly coating the modified melting lithium on a surface of an electrode plate to be lithium rich to form a lithium-rich layer, which is followed by cooling to room temperature to obtain a lithium-rich electrode plate of a lithium-ion battery. The lithium-rich electrode plate is prepared according to the preparation method.

Abstract: The present disclosure provides an electrochemical device, which comprises a plurality of cells which are stacked in a step configuration, electrode tabs of the same polarity of the plurality of cells are electrically connected together. Compared with only using a single wound-type cell or only using a single laminated-type cell, the plurality of cells stacked in the step configuration of the present disclosure can more flexibly adapt to an irregular inner space of an electronic device using the electrochemical device, so that the inner space in the electronic device is fully used, the performance of the electrochemical device for use in the electronic device is improved, and the manufacturing process is more simple, flexible and efficient.

Abstract: The present disclosure provides an organic/inorganic composite porous separator and a preparation method thereof and an electrochemical device. The organic/inorganic composite porous separator comprises: a porous substrate; and an organic/inorganic composite porous coating coated on at least one surface of the porous substrate; the organic/inorganic composite porous coating comprises inorganic particles, an adhesive and organic particles with at least two swelling degrees, and the organic particles are swollen by a plasticizer. A preparation method of an organic/inorganic composite porous separator is used for preparing the previous organic/inorganic composite porous separator. An electrochemical device comprises the organic/inorganic composite porous separator. The separator can form an excellent interface, thereby reducing the risk of organic particles blocking micro pores, helping to improve the permeability of the separator, and improving the conductivity of the separator.

Abstract: The present disclosure provides a cell, which has a stacked body composed of a first electrode plate, a second electrode plate and separators, the stacked body has a starting end and a terminal end, the first electrode plate is provided with a first electrode tab, the second electrode plate is provided with a second electrode tab, the cell has a main body portion formed by winding a part of the stacked body from the starting end of the stacked body and a folded portion formed by folding the rest of the stacked body from a distal end of the main body portion over the main body portion and covering a part of the main body portion The cell can be formed as a step-shaped configuration by directly and sufficiently utilizing winding without cutting or treating the electrode plate, the manufacturing process is simple.

Abstract: The present disclosure provides a lithium-rich electrode plate of a lithium-ion battery and a preparation method thereof. The lithium-rich electrode plate comprises a collector; a film containing an active material and forming on the collector, and forming an elementary electrode plate together with the collector; and a porous lithium sheet covering on the film, wherein a resulting capacity of the porous lithium sheet matches a planned lithium-supplemental capacity to an anode of a lithium-ion battery. The present disclosure can accurately control lithium-supplemental quantity to the anode, improve lithium-supplemental uniformity, improve the first coulombic efficiency, energy density, and electrochemical performance of the battery, and decrease deformation of the cell, furthermore the method can be performed simply and the cost thereof is low.

Abstract: The invention discloses a soft-package lithium battery edgefold structure, comprising a side edge of a soft-package lithium battery and a double edgefold folded by using a packing aluminium foil of the cell of the soft-package lithium battery, wherein a glue layer is arranged between the double edgefold and the side edge, one side of the glue layer is glued with the side edge, while the other side of the glue layer is glued with the double edgefold. The invention has the advantages in that edge glue is needless, capable of preventing metal in the position of scrap edge from outleakage, preventing width of the battery cell at a fixed side edge from increasing, and being easier for realization of automatic production than usually applying edge glue.

Abstract: The invention pertains to the technical field of a Li-ion battery, in particular to a Li-ion battery positive plate structure, comprising a current collector, a base diaphragm arranged on the surface of the current collector and a top diaphragm arranged on the surface of the base diaphragm; both the base diaphragm and the top diaphragm respectively comprise an active substance, an adhesive and a conductive additive, wherein, the active substance of the base diaphragm is graphite, while the active substance of the top diaphragm is at least one among silicon, silicon alloy and tin alloy. Compared with the prior art, the Li-ion battery positive plate structure of the invention successfully solves the problem of film removal of silicon anode and alloy anode due to swelling in the process of charging because a graphite anode base diaphragm with buffering function is installed between the top diaphragm with swelling trend.

Abstract: The invention pertains to the technical field of a polymer Li-ion battery, in particular to a polymer Li-ion battery separator, comprising porous substrate, wherein at least one surface of the porous substrate is coated with an inorganic coating and an organic coating; the organic coating, shaped like an island and/or linear distribution, is coated on the surface of the porous substrate and/or the inorganic matter coating.

Abstract: A thin-film forming method, which includes the steps of: (1) holding at least one object in a chamber; (2) depositing a film-forming material on the object; (3) etching the forming material while depositing is conducted. In the present invention, the depositing and etching are controlled to simultaneously conduct. The invention also disclose a system for performing the method.

Abstract: A method of preparing ammonium glyphosate suitable for preparation of water-soluble solid ammonium glyphosate formulation by an extraction with organic solvent in a gas-liquid-solid phase system, which comprises adding glyphosate and water into a reactor with a stirer, introducing ammonia to carry out the reaction, an aqueous solution of ammonium glyphosate is formed after the reaction is completed; adding a water-soluble organic solvent such as methanol and/or ethanol and/or methylal to decrease the solubility of the ammonium glyphosate in the system, thereby crystallizing out ammonium glyphosate; and filtering in suction or further oven-drying to obtain the solid ammonium glyphosate. The organic solvent may be recovered and reused by rectifying or distilling, the remainder residue may be returned to the reaction procedure or used in the preparation of the aqueous formulation of ammonium glyphosate.

Abstract: A thin-film forming method, which includes the steps of: (1) holding at least one object in a chamber; (2) depositing a film-forming material on the object; (3) etching the forming material while depositing is conducted. In the present invention, the depositing and etching are controlled to simultaneously conduct. The invention also disclose a system for performing the method.

Abstract: A method of preparing ammonium glyphosate suitable for preparation of water-soluble solid ammonium glyphosate formulation by an extraction with organic solvent in a gas-liquid-solid phase system, which comprises adding glyphosate and water into a reactor with a stirer, introducing ammonia to carry out the reaction, an aqueous solution of ammonium glyphosate is formed after the reaction is completed; adding a water-soluble organic solvent such as methanol and/or ethanol and/or methylal to decrease the solubility of the ammonium glyphosate in the system, thereby crystallizing out ammonium glyphosate; and filtering in suction or further oven-drying to obtain the solid ammonium glyphosate. The organic solvent may be recovered and reused by rectifying or distilling, the remainder residue may be returned to the reaction procedure or used in the preparation of the aqueous formulation of ammonium glyphosate.