A secondary battery is provided and includes a secondary battery including a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes a positive electrode current collector containing aluminum and a positive electrode active material layer provided on…
Prismatic type battery cell comprising: box-shaped metal case, which, in turn, comprises a first base wall and a second base wall, opposite one another along a longitudinal axis of the cell; a stack comprising a plurality of electrode plates alternating with each other and interspaced by separator…
Disclosed are an electrode assembly and a rechargeable lithium battery. The electrode assembly includes at least one unit cell including a positive electrode and a negative electrode, and at least one electrode tab electrically connected to any one of the positive electrode and the negative…
A nonaqueous electrolyte solution battery lead wire of the present disclosure includes a conductor and an insulating film having one or a plurality of layers and covering at least part of an outer peripheral surface of the conductor. The conductor has a conductor film covering at least part of a…
An electrochemical cell includes a plurality of electrode graphite substrates each defining a current collector and a tab continuing from the current collector, the tabs being collected into at least one stack, and a plurality of carbon layers interleaved with the at least one stack such that each…
Disclosed herein is a design for an electrochemical energy-storage device. The device includes an electrode assembly with a separator that separates a positive electrode and a negative electrode. These electrodes and separator are radially coiled about a central axis to form a central void. A…
The present disclosure provides a connecting member for a flexible battery, a flexible battery, an electronic device, and a manufacturing method. The connecting member includes: a first polymer layer; a flexible conductive layer on a surface of the first polymer layer, the flexible conductive layer…
A method of manufacturing a lithium-sulfur battery in a cylindrical cell format is provided. In some aspects, the method includes providing an anode current collector and providing an anode on the anode current collector. The method may include depositing a protective layer on and along the length…
A laminated battery disclosed herein includes an electrode body, a laminated exterior body, and positive and negative electrode terminals. At least one of the positive and negative electrode terminals is configured of a plate-shaped clad material in which a first metal and a second metal, which are…
The present application provides a layer-built tab, which includes a plurality of metal pieces and adhesives, the metal pieces being stacked and bonded by the adhesives. The metal pieces are stacked and spaced apart from each other, which increases the heat dissipation area of the tab while…
An electrode for lithium secondary battery and a method of manufacturing the same are disclosed. The electrode for lithium secondary battery comprised of an electric collector formed of a metal and a slurry coated on a portion of the electric collector includes a coated part including the portion…
A tab, a preparation method thereof, and a battery including the tab are disclosed. The tab is a copper foil material, a surface of the copper foil material having a large compressive stress is an S surface, a surface having a small compressive stress is an M surface, and only the M surface is…
A secondary battery includes an electrode body that includes a positive and a negative electrode plate, a battery case that has an opening in which the electrode body is accommodated, a sealing body that seals the opening, an internal terminal that is disposed on an inner side of the sealing body…