A negative electrode with little deterioration is provided. A novel negative electrode is provided. A power storage device with little deterioration is provided. A novel power storage device is provided. The electrode contains silicon, graphite, and a grap...

One embodiment of the present invention provides a secondary battery that can be used in a wide temperature range and is not susceptible to the ambient temperature. In addition, a highly safe secondary battery is provided. The secondary battery is manufact...

A secondary battery that achieves higher conductivity of a positive electrode and has higher capacity is provided. The secondary battery includes a positive electrode that includes a positive electrode active material, a first conductive material, and a se...

A positive electrode active material with high charge and discharge capacity is provided. A positive electrode active material with high charge and discharge voltage is provided. A secondary battery which hardly deteriorates is provided. A highly safe powe...

A secondary battery with high capacity and a high level of safety is provided. The battery includes a positive electrode including a positive electrode active material and a conductive material. The positive electrode active material contains cobalt, oxyge...

The driving assistance system includes an imaging device capable of capturing a first monochrome image in a vehicle traveling direction, a first neural network for segmentation processing, a second neural network for depth estimation processing, a determin...