109results about "Cell component details" patented technology

A battery module, including a plurality of unit cells and a cell barrier interposed between the unit cells, is provided. The cell barrier includes a body member and a fixing part disposed on the edge of the body member and connected to an adjacent cell barrier while housing a unit cell.

The invention provides a nonaqueous-electrolyte battery which has a positive electrode 3 including a positive active material, a negative electrode 4 including a negative active material having a lithium insertion/release potential higher than 1.0 V (vs. Li/Li⁺), and a nonaqueous electrolyte, wherein an organic compound having one or more isocyanato groups has been added to the nonaqueous electrolyte.

A case battery for a personal digital assistant is provided. The case battery includes a holding portion and a charging portion. The holding portion holds the personal digital assistant detachably. The charging portion is disposed in the holding portion and configured to be electrically connected to the power input. The charging portion extends the usage time of the personal digital assistant. The charging portion includes an electrical power acceptor configured to accept electrical power from outside. The charging portion may further include a secondary battery, and the electrical power acceptor is configured to charge the secondary battery using an external electrical power source. The charging portion may include a primary battery and a receptacle configured to accept the primary battery.

A non-aqueous electrolyte battery according to the present invention is a non-aqueous electrolyte battery including: a positive electrode including a positive collector and a positive active material containing layer formed on the positive collector; a negative electrode including a negative collector and a negative active material containing layer formed on the negative collector; and a separator provided between the positive electrode and the negative electrode. The positive electrode has a positive collector exposed portion at a part of the positive collector, on which the positive active material containing layer is not formed. An insulating resin film formed of a base substance of a heat resistant resin having a heat resistant temperature of 150° C. or more, the resin film containing a thermoplastic resin therein, is provided at a portion where the positive collector exposed portion and the negative active material containing layer are opposed to each other with the separator positioned therebetween.

A press apparatus for assembly of a battery pack includes a tooling table having an aperture formed therein. The tooling table includes a plurality of index pawls disposed adjacent the aperture. The index pawls militate against the components passing upwardly through the aperture after the components have passed downwardly through the aperture. A first press is disposed on a first side of the tooling table and configured to advance the components downwardly through the aperture and past the index pawls on the tooling table. A second press is disposed on a second side of the tooling table. The second press is configured to retract a distance that the components are pressed downwardly through the aperture and maintain a substantially constant upward force on the components. A third press is disposed on the first side of the tooling table and configured to compress the battery pack to a desired size and load.

A rechargeable battery pack for a handheld power tool, encompasses a housing and at least one interface unit for establishing a mechanical and electrical connection between the rechargeable battery pack and the handheld power tool and/or a charging device. The interface unit has at least one locking element for locking the rechargeable battery pack onto the handheld power tool, and an actuation element for actuating the locking element. The actuation element encompasses at least one light-emitting element for outputting an optical signal and/or for illumination.

A composite flow field element, such as a separator plate used in a high temperature air-cooled fuel cell assembly, preferably includes a metal sheet substrate of non-uniform thickness, such as a mesh, and flexible graphite layers bonded to the metal mesh substrate by an electrically conductive bonding agent.

The invention discloses an automobile battery fixing device. The automobile battery fixing device comprises an outer frame, a shock absorbing frame is fixedly connected to a fixed base through an anti-pressure shock absorbing device, an automobile battery is arranged at the top of the fixed base, a battery fixing clamp is fixedly connected to the inner wall of the outer frame, a spiral heat absorbing oil pipe is fixedly connected to the surface of a heat absorbing fixed plate, the right end of the outer frame extends to form a fixing plate, the top end of the fixing plate is fixedly connected to a cooling oil pipe box, a spiral cooling oil pipe is arranged in the cooling oil pipe box, an oil pipe is communicated with the spiral cooling oil pipe, the left side of a hygroscopic evaporator is fixedly connected to a hygroscopic cooler and the left end of the hygroscopic cooler is fixedly connected to a refrigerator. The automobile battery fixing device relates to the technical field of automobiles, solves the problem that the existing automobile battery has poor cooling effects and poor clamping stability, improves automobile motor heat dissipation effects and automobile battery resistance to shock and prolongs a service life of the automobile battery.

Provided is a process for producing a rope-shaped alkali metal battery, comprising: (a) providing a first electrode comprising a first conductive porous rod and a first mixture of a first electrode active material and a first electrolyte residing in the pores of the first porous rod; (b) wrapping or encasing a porous separator around the first electrode to form a separator-protected first electrode; (c) providing a second electrode comprising a second conductive porous rod and a second mixture of a second electrode active material and a second electrolyte residing in the pores of the second porous rod; (d) combining the separator-protected first electrode and second electrode to form a braid or a yarn having a twist or spiral electrode; and (e) wrapping or encasing a protective casing or sheath around the braid or yarn to form the rope battery.

The invention relates to the field of lithium ion battery designs, and discloses a lithium ion battery pack and a soldering method for single batteries therein. The lithium ion battery pack comprises a plurality of single batteries which are connected in series or in parallel through soldered lugs; and the soldering method for soldering the first lug and the second lug of any two single batteries includes the following steps: a rigid plate is arranged on the backs of the horizontal bent sections of the first lug and the second lug, and is in plane contact with the backs of both the first lug and the second lug, wherein a predetermined gap is reserved between the first lug and the second lug which are horizontally opposite to each other; soldering is carried out on the top of the rigid plate in the gap between the first lug and the second lug, a tin bar is melted, the gap is covered by and filled with the melted tin, and the melted tin permeates to the top of the rigid plate; and the melted tin is solidified and shaped. The heat-dissipating effect of the method is better, and moreover, the structure of the soldered parts of the lugs is firmer, which can help to enhance the conductivity of the lithium ion battery pack.

The invention provides a lithium supplementing diaphragm of a lithium ion battery. The lithium supplementing diaphragm comprises a plurality of diaphragm layers which are overlapped with one another;a metal lithium layer is arranged on the diaphragm layers; a protective layer is arranged on the metal lithium layer; and the diaphragm layers are polymer films. The lithium supplementing diaphragm ofthe lithium ion battery can be directly used for the pre-lithiation (lithium supplementing) of the negative electrode of the lithium ion battery, so that the first coulombic efficiency and cycle performance of the lithium ion battery are improved; the metal lithium layer is prevented from being etched by electrolyte and environment atmosphere; the metal lithium layer is prevented from irreversibly and chemically reacting with a negative electrode active layer; and the pre-lithiation or lithium supplementing efficiency of the electrode is improved.

A tearable low adhesive sheet (29) is attached to a battery pack (19). This low adhesive sheet (29) is bonded with a double-sided adhesive tape (31) to a bottom face (17a) of a battery accommodating part (17) shaped into a recess and provided to a front cabinet (7) included in a casing (3), so that the battery pack (19) is secured to the battery accommodating part (17).

The invention relates to an electric vehicle, a battery box body thereof, and a battery box. A cooling structure is arranged on a bottom plate assembly of the battery box and comprises two or more layers of hollow channels which are formed at intervals in vertical direction, the upper hollow channel forms a cooling channel used for allowing cooling liquid to circulate, and the lower hollow channelis filled with a thermal insulation material; and in the operating process of the battery box, the cooling liquid in the cooling channel can cool a battery module in the battery box. Meanwhile, the lower hollow channel is filled with the thermal insulation material, thus a thermal insulation layer is formed, heat in the external environment is prevented from being transmitted into the battery box, through the thermal insulation material, the heat in the external environment is prevented from influencing the cooling liquid, and the problem that properties of the battery box are influenced accordingly is solved; and after the bottom plate assembly is filled with the thermal insulation material, the weight of the bottom plate assembly can also be lowered obviously, hollow structures are arranged, and thus the structural strength of the bottom plate assembly can further be ensured.

The invention relates to a method for preparing a high-temperature resistant microporous membrane. The method sequentially comprises the following steps: (A) mixing raw materials consisting of 20-55% (by weight) of resin mixture and 45-80% (by weight) of membrane forming solvent; (B) carrying out melt extrusion on the mixed raw materials, and cooling to form a sheet; (C) longitudinally and transversely stretching the sheet, so as to form a membrane; (D) extracting the membrane forming solvent from the membrane through an extraction solvent, so as to form a microporous membrane; (E) carrying out heat-setting on the microporous membrane formed in the step (D), wherein the resin mixture consists of the ingredients in percentage by weight: 2-10% of high-temperature resistant resin, 5-15% of polypropylene and 75-93% of polyethylene, the melting point of the high-temperature resistant resin is higher than 170 DEG C, and polyethylene with the molecular weight greater than 106 accounts for 10-30% the total weight of the polyethylene. The method for preparing the high-temperature resistant microporous membrane, disclosed by the invention, aims to provide the high-temperature resistant microporous membrane which is good in temperature resistance and relatively high in melting rupture temperature and better meets the use requirements of lithium battery diaphragms.

The invention relates to the technical field of power batteries, in particular to a battery module. The battery module comprises a module framework and a battery pack which is arranged in the modularframework and formed by arranging single batteries and further comprises a temperature adjusting component for heating and/or cooling the battery pack; and an installation hole is formed in the bottomof the module framework, the bottom of the battery pack is exposed in the installation hole, and the temperature adjusting component is arranged in the installation hole and arranged on the bottom face of the battery pack in an attached mode. Due to the fact that the installation hole is formed in the bottom of the module framework, technical staff can directly arrange the temperature adjusting component in the installation hole in the attached mode; due to the fact that the module framework can support the battery pack, the technical staff do not need to arrange a bottom plate forming complete closure on the overall bottom face of the battery module; and due to the fact that the temperature adjusting component directly makes contact with the bottom of the battery pack, the heat conducting loss is reduced, assembly parts of the overall battery module are reduced, and therefore the battery module is lighter and good in heating or cooling effect.

A light diffusing layer has a resin matrix and spherical fillers having different refractive index from the resin matrix, and a thickness of the light diffusing layer T (mum), a difference of refractive index Deltan between the resin matrix and the spherical fillers, and a volume content Cv (%) of the spherical fillers to the light diffusing layer satisfy the formula 20<=TxDeltanxCv<=75. Furthermore, an adhesive can be contained in the resin matrix.

Provided is a microporous polyolefin membrane which has excellent oxidation resistance and electrolyte injection performance and further has excellent permeability and strength balance. The multilayer, microporous polyolefin membrane has a first microporous layer containing polypropylene. The electrolyte injection performance is 20 seconds or less, at least one surface layer is the first microporous layer, and the PP distribution in the first microporous layer is uniform in the in-plane direction.

A battery restraint apparatus for electronic devices includes a flexible, resilient substrate having opposite, elongated end portions. An elongated aperture is formed in the substrate adjacent each end portion. The substrate has elastic memory that allows it to be flexed and bent and to thereafter resiliently recover to its original shape. The battery restraint apparatus is configured to be removably secured to an electronic device and snugly overlie a battery compartment opening thereof.

In a nonaqueous secondary battery including a pressure-operated current interrupt device, a ratio (Vt/Cr) of a sum Vt (cm³) of an effective pore volume Vp of the positive electrode active material layer, an effective pore volume Vn of the negative electrode active material layer, and a pore volume Vs of the separator to a volume Cr (cm³) of a remaining space in the battery case is 0.92 to 1.05. The volume Cr of the remaining space in the battery case is calculated by subtracting a volume Ce of the electrode body, a volume Cna of the nonaqueous electrolytic solution, and a volume Cc of auxiliary components from a volume Ct of the battery case. The remaining space volume Cr (cm³) is 14.8 vol % or higher of the volume Ct (cm³) of the battery case.

The invention provides a high breathable polymer coated diaphragm as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly, soaking one side of a base membrane in wetting liquid for pre-wetting and coating the other side of the base membrane with casting film liquid; secondly, soaking by using a modified coagulation bath to extract a solvent in the coating membrane and enabling the coating layer surface of an initial membrane to form uniform cavernous holes; soaking, washing and drying for removing water to obtain the high breathable polymer coated diaphragm. The polymer coated diaphragm prepared by the preparation method provided by the invention has the advantages of high porosity, uniform hole distribution on the surface of the coating and capability of significantly improving the comprehensive performance of a lithium-ion battery separator.

The invention discloses a soft package lithium ion battery module for an electric vehicle. The soft package lithium ion battery module comprises soft package lithium ion battery units, a bottom plate, an upper cover and fastening bolts, wherein each soft package lithium ion battery unit comprises a soft package lithium ion battery and a heat radiating plate, the heat radiating plate is basically in a rectangular structure, and is composed of at least one basically rectangular box body, one slot extends from each of end parts of three side surfaces of the box body, the soft package lithium ion battery is arranged in the box body of the heat radiating plate, and the soft package lithium ion battery and the box body integrally form the soft package lithium ion battery unit, and at least two soft package lithium ion battery units are overlapped along the vertical direction and are fixedly installed between the bottom plate and the upper cover through the fastening bolts to form the soft package lithium ion battery module. The battery units can be flexibly expanded to bring the convenience for arrangement. Slots of adjacent heat radiating plates form an air duct, thus the heat radiation of each battery is facilitated. The soft package lithium ion battery module provided by the invention is compact in structure, convenient to maintain and easy to expand, has a function of protecting the batteries, is convenient to electrically connect, and good in heat radiation property because the battery units are mutually isolated. The soft package lithium ion battery module has a remarkable function for prolonging the service life and improving the energy density of a lithium battery pack of the electric vehicle, and is suitable for industrialized production.

A battery module including a plurality of cell units is disclosed. Each cell unit has a first surface and a second surface, and the cell units are stacked alone a direction. The cell unit includes a frame, at least one cell and at least two conductors. The frame has at least a first accommodating recess located at the first surface. The cell having two tabs is accommodated in the first accommodating recess. The conductors and the frame are connected at the second surface, and each conductor has a connecting portion located at the first surface. The connecting portions of the two conductors are ultrasound welded with the two tabs respectively. The conductors of adjacent cell units are fixed to each other.

Embodiments of the invention disclose a battery, a telescoping device, a shell, and a battery fixing system. The battery is provided with at least one groove at one side opposite to a metal conducting strip. According to the embodiments of the invention, reliability of fixation of the battery can be improved.

A battery separator is provided which is hardly broken by tension during the manufacture of batteries, is hardly punctured with a plate flash, and is hardly torn off with a plate edge, thereby hardly causing a short circuit. Accordingly, the separator can facilitate the stable manufacture of the batteries. The battery separator is equipped with a fiber sheet containing a polypropylene fiber having a tensile strength of not less than 10 g/d (denier) and a Young's modulus of not less than 800 kg/mm2, said separator having a resistance of not less than 585 gf to puncture by edge, or is equipped with a fiber sheet containing not less than 10 mass % of a polypropylene fiber having a tensile strength of not less than 10 g/d (denier) and a Young's modulus of not less than 800 kg/mm2.