Example embodiments relate to composite lithium-metal anodes for enhanced energy density and reduced charging times. One embodiment includes an electrode. The electrode includes a protective layer. The electrode also includes a current collecting layer. Further, the electrode includes an active layer disposed between the protective layer and the current collecting layer. The active layer includes a graphite layer. The active layer also includes a hard carbon layer. Further, the active layer includes a lithium-metal layer.

To improve design of a lighting device. A lighting device includes optically transparent glass plates provided on side faces and placed on an optical path of light emitted from a light source, where some or all of the optically transparent glass plates contain an optically transparent battery adapted to drive the light source; and an optically transparent glass plate that contains a transparent conductive film by being provided on a bottom face, wherein the optically transparent battery is placed in contact with a pair of transparent conductive film layers, which are connected to the light source. The pair of transparent conductive film layers are formed in a pair of parallel linear grooves formed in a surface of the optically transparent glass plate on the bottom face, and a tabular positive tab and negative tab of the optically transparent battery fit in respective ones of the pair of grooves.

Provided is a lithium secondary battery having both visible light transparency and flexibility. A lithium secondary battery includes: a positive electrode film formed on a flexible transparent film substrate and capable of intercalating and deintercalating lithium ions; a transparent electrolyte having lithium ion conductivity; and a negative electrode film formed on a flexible transparent film substrate, the negative electrode film being a metal capable of forming an alloy with lithium or capable of intercalating and deintercalating lithium ions. When the positive electrode film contains a lithium source, the negative electrode film is made to have a thickness of 50 nm to 300 nm by using, as a negative electrode material, any of tin oxide, silicon oxide, titanium oxide, tungsten oxide, niobium oxide, molybdenum oxide, metal phosphide, metal sulfide, metal nitride, metal fluoride, or metal titanium composite oxide.

An electrode current collector for a lithium secondary battery includes two or more metal foil layers, and a heat-pressure conversion layer positioned between the two or more metal foil layers, wherein the heat-pressure conversion layer includes a heat-pressure exchange ceramic material, a conductive material, and an adhesive. An electrode including the current collector, and a lithium secondary battery including the electrode are also provided.

Provided is a light-transmissive battery that transmits visible light. A light-transmissive battery includes a positive electrode including an insulating transparent cover body and a positive-electrode current collector layer and a positive electrode layer sequentially stacked over the insulating transparent cover body; a negative electrode including an insulating transparent cover body and a negative-electrode current collector layer and a negative electrode layer sequentially stacked over the insulating transparent cover body; and a transparent electrolyte disposed between the positive electrode layer and the negative electrode layer that are opposed to each other. Each of the positive-electrode current collector layer, the negative-electrode current collector layer, the positive electrode layer, and negative electrode layer is formed to a thickness that allows the layer to transmit visible light.

An assembly of lithium-based solid anodes to be formed into a lithium-ion battery. The anodes are formed with a fibrous ceramic or polymer framework having open spaces and an active surface material having lithiophilic properties. Open spaces within the fibrous framework and lithiophilic coatings deposited upon the surface of the fibrous framework allow for the free transport of solid lithium-ions within the anodes. In solid-state, lithium batteries can achieve higher capacity per weight, charge faster, and be more durable to extreme handling and temperature. A method for manufacturing a solid-state lithium battery having such an anode.

A non-aqueous electrolyte secondary battery including an electrode group provided with a current collector-integrated anode for a secondary battery, an electrolyte, and a cathode, in which an anode capacity of the current collector-integrated anode for a secondary battery is larger than a cathode capacity of the cathode, the current collector-integrated anode for a secondary battery is a metal foil made of aluminum having a purity of 99 mass % or more or an alloy thereof, and the metal foil has an oxide coating on a surface.

A processing system and method for high-yield dynamic crystallization and processing of a battery material are provided. The processing system may include a feeder assembly, a reaction chamber, a heating assembly, a gas delivery assembly, a gas exhaust assembly, a collection assembly, and a lift mechanism being connected to a support platform and adapted to lift the support platform at an α angle of more than 0° and no more than 10°. The reaction chamber includes an outer tube made of a stainless-steel material, an inner tube made of a ceramic material, and a chamber housing enclosed by the inner tube. One or more gear assemblies are connected to the outer tube and adapted to rotate the reaction chamber so that the inner tube and the outer tube of the reaction chamber are in a rotational movement around a center axis within the chamber housing of the reaction chamber.

Energy storage devices, battery cells, and batteries of the present technology may include a first current collector including a material characterized by a maximum corrosion current in an aqueous electrolyte below or about 2 mA/cm.sup.2. The batteries may include a cathode material coupled with the first current collector. The batteries may include a second current collector, and may include an anode material coupled with the second current collector. The batteries may also include an aqueous electrolyte characterized by a pH greater than or about 14.

A battery component includes a polymer frame having at least one window, the polymer frame having a first planar side and an opposite second planar side, and a window edge between the first and second planar sides. The battery component also has a battery cell component having a separator and bipolar current collector, the battery cell component being attached to the frame, the separator or bipolar current collector being attached to the first planar side or the window edge. A battery stack, a method for handling the battery component as an individual unit are also provided, electric vehicle battery and electric vehicle are also provided.