The invention relates to a stacking device and a method for stacking flat materials, e.g. electrodes having a separation film (1) interposed in a zigzag manner by means of a guiding device (8). The stacking device comprises a stacking table (11), a holder (4; 5) for immobilizing the stack, and grippers (6, 7) for picking the electrodes (2, 3) up and putting them down in a defined manner, said grippers having an excess pressure module (9) for the targeted shaping of a defined film pocket (17) in the separation film (1).

A battery having flat, stacked, anode and cathode layers. The battery can be adapted to fit within an implantable medical device.

A lithium battery including a positive electrode, a negative electrode containing lithium, and a non-aqueous electrolyte having lithium ion conductivity. The positive electrode includes at least one of a manganese oxide and a fluorinated graphite. A powdery or fibrous carbon material adheres to at least part of a surface of the negative electrode, the surface facing the positive electrode. The non-aqueous electrolyte includes a non-aqueous solvent, a solute, and an additive. The solute includes LiClO.sub.4, and the additive is LiBF.sub.4. The ratio of LiBF.sub.4 is, for example, 1 to 100 parts by mass, relative to 100 parts by mass of the solute.

A battery pack includes a tray, an array frame positioned relative to the tray and that houses at least one battery cell, and a retention clip mounted to the tray and engageable with a portion of the array frame. The portion or the retention clip is flexible and the other of the portion and the retention clip is rigid.

An electrode complex includes: a complex which includes a porous active material molded body which is formed by being three-dimensionally connected with a plurality of particulate active material particles containing a lithium double oxide and a plurality of particulate noble metal particles containing a noble metal with a melting point of 1000 C. or higher and includes a communication hole, and a solid electrolyte layer formed on the surface of the active material molded body containing the communication hole of the active material molded body; and a current collector which is provided by being bonded to the active material molded body on one surface of the complex.

A case-neutral electrochemical cell has an electrode assembly comprising a separator positioned between an anode and a cathode housed inside a casing. The casing supports a co-axial glass-to-metal seal comprising an inner insulating glass hermetically sealed to a terminal pin and to the inner surface of a first or inner ferrule. An outer insulating glass is hermetically sealed to the outer surface of the inner ferrule and the inner surface of a second or outer ferrule, and the outer ferrule is secured to an opening in the casing. Then, one of the anode and the cathode is connected to the terminal pin and the other of the anode and the cathode is connected to the first or inner ferrule. An electrolyte is provided in the casing to activate the electrode assembly.

A case-neutral electrochemical cell has an electrode assembly comprising a separator positioned between an anode and a cathode housed inside a casing. The casing supports a co-axial glass-to-metal seal comprising an inner insulating glass hermetically sealed to a terminal pin and to the inner surface of a first or inner ferrule. An outer insulating glass is hermetically sealed to the outer surface of the inner ferrule and the inner surface of a second or outer ferrule, and the outer ferrule is secured to an opening in the casing. Then, one of the anode and the cathode is connected to the terminal pin and the other of the anode and the cathode is connected to the first or inner ferrule. An electrolyte is provided in the casing to activate the electrode assembly.

The present invention is directed to a circuit module for coupling a plurality of battery cell units. The circuit module includes a first set of terminals having a positive terminal and a negative terminal for coupling to a first battery cell unit, and a second set of terminals having a positive terminal and a negative terminal for coupling to a second battery cell unit. The positive terminal of the first set of terminals is coupled to the negative terminal of the second set of terminals either directly or via one or more passive components, and the negative terminal of the first set of terminals and the positive terminal of the second set of terminals each is coupled to a switching assembly. The switching assembly is operatively configured to selectively connect or bypass each one of the battery cell units. The invention is also directed to a battery system including the circuit module and a plurality of battery cell units.

A manufacturing method of an electrode assembly includes forming an active material molded body which contains lithium double oxide and includes plural voids, forming a solid electrolyte in the plural voids, and attaching a polymer gel film impregnated with an electrolytic solution for conducting lithium ions to the active material molded body in which the solid electrolyte is formed.

An electrically conductive sheet material having a base body with fibers, at least part of the fibers having carbon fibers, optionally having channels extending through the base body, capable of providing an electrically conductive and flexible sheet material which has a low electrical resistance and which can be produced on a large scale in the most simple, cost-effective and reproducible manner possible.