Patent classifications
H01M10/0486
Battery plates useful in bipolar battery assemblies and methods of preparation
A battery plate having a substrate with opposing surfaces and one or more nonplanar structures and one or more active materials disposed on at least one of the opposing surfaces; wherein the battery plate includes one or more of: i) one or more projections disposed within but do not extend beyond the active material; ii) one or more projections which project beyond the active material and substantially free of the active material or dust formed from the active material; and/or iii) a frame about the periphery of the substrate which projects beyond the active material and is substantially free of the active material or dust formed from the active material; and wherein the battery plate is adapted to form part of one or more electrochemical cells in a battery assembly.
ALL-SOLID-STATE BATTERY
An all-solid-state battery, including an all-solid-state battery laminate including at least one all-solid-state unit cell in which a positive electrode current collector layer, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode current collector layer are laminated in this order, and a resin layer covering a side surface of the all-solid-state battery laminate. At least one surface of at least one of the positive electrode current collector layer and the negative electrode current collector layer includes a laminated part and an extending part. The laminated part is a portion which overlaps another adjacent layer, and the extending part is a portion which extends beyond the other adjacent layer. The surface roughness of the extending part is greater than the surface roughness of the laminated part.
Power generating element mounting board, battery pack, electronic device, and electric vehicle
A power generating element mounting board includes: a power generating element having a first terminal and a second terminal; and a board having a first board terminal connected with the first terminal, a second board terminal connected with the second terminal, and at least a first hole and a second hole. The first hole has a first conductive part provided on a surface of the first hole, the second hole has a second conductive part provided on a surface of the second hole. The first hole is provided between the first board terminal and a first outer edge of the board, and the second hole is provided between the second board terminal and a second outer edge of the board.
Battery including bipolar cells that have an edge insulating device supported by a support frame
A battery includes a stacked arrangement of electrochemical cells. Each electrochemical cell is free of a cell housing and includes a bipolar plate having a substrate, a first active material layer formed on a first surface of the substrate, and a second active material layer formed on a second surface of the substrate. Each cell includes a solid electrolyte layer that encapsulates at least one of the active material layers, and an edge insulating device that is disposed between the peripheral edges of the substrates of each pair of adjacent cells. A support frame surrounds the cell stack and is configured to receive and support the outer peripheral edge of the edge insulating device of each cell.
Lithium ion battery and method for assessing deterioration of lithium ion battery
A lithium ion battery including a cell formed by sequentially stacking a positive current collector, a positive active material layer, a separator, a negative active material layer, and a negative current collector, the lithium ion battery being characterized by including a frame member disposed between the positive current collector and the negative current collector to seal the positive active material layer, the separator, and the negative active material layer, the frame member having, disposed therein, an electronic component for detecting an internal condition of the cell.
ALL-SOLID BATTERY AND METHOD FOR MANUFACTURING THE SAME
Provided are a method of manufacturing an all-solid battery and an all-solid battery manufactured by the method. The all-solid batter may have edge portions that can be more effectively insulated. In particular, the all-solid battery may include a cathode layer, an anode layer, and an electrolyte layer, a first insulator disposed at an edge of the cathode layer and a second insulator disposed between the cathode layer and the first insulator, thereby forming a membrane of the second insulator for preventing contact between the cathode layer and the anode layer in pressing.
BATTERY MODULE
A battery module includes: a cell stack which is constituted by stacking a plurality of cells in a first direction and includes a first surface, a second surface, a third surface, a fourth surface, a fifth surface, and a sixth surface; a pair of end plates which is disposed on the first surface and the second surface of the cell stack; and a frame which connects the pair of end plates. The frame includes a pair of connection frames disposed on the third surface and the fourth surface of the cell stack, and a base plate disposed on the sixth surface of the cell stack. The pair of end plates each has a protruding portion in a surface facing the base plate, and the base plate has a groove portion which accommodates the protruding portion and extends in the first direction.
THIN FILM BATTERY, THIN FILM BATTERY MANUFACTURING METHOD AND REFINE MICROCRYSTALLINE ELECTRODE MANUFACTURING METHOD
A refine microcrystalline electrode manufacturing method is provided. The refine microcrystalline electrode manufacturing method includes the following step. First, an active material electrode layer is subjected to a conventional thermal annealing (CTA) process in an oxygen-containing environment at a first temperature interval to form an active material crystallization precursor; the active material crystallization precursor is subjected to a rapid thermal annealing (RTA) process in the oxygen-containing environment at a second temperature interval to form an active material coating layer with uniformly distributed fine microcrystal grains, wherein the temperature range of the second temperature interval is greater than the temperature range of the first temperature interval. In addition, a thin film battery and a thin film battery manufacturing method are also provided.
Battery structure
A battery structure is disclosed. The battery structure includes a first current collector layer, a first active material layer, a spacer layer, a first plastic frame, a second active material layer and a second current collector layer. The first active material layer is disposed on the first current collector layer. The spacer layer is disposed on the first active material and completely covers the top surface of the first active material layer. The first plastic frame is disposed on the side wall of the spacer layer and the top of the first plastic frame has a protruding part which extends to the top surface of the spacer. The second active material layer is disposed on the spacer layer and the protruding part. The second active material is isolated from the first active material via the space layer and the protruding part. The second current collector layer is disposed on the second active material layer.
All-solid-state battery with improved high-rate charging resistance
An all-solid-state battery includes a positive electrode layer, a solid electrolyte layer, and a negative electrode layer. The solid electrolyte layer separates the positive electrode layer and the negative electrode layer. The negative electrode layer includes a first layer and a second layer. The second layer is interposed between the solid electrolyte layer and the first layer. The first layer contains a first particle group. The second layer contains a second particle group. The first particle group and the second particle group contain a silicon material. The second particle group has a smaller average particle diameter than the first particle group.