Secondary battery and electronic device
AssigneeNingde Amperex Technology Limited
InventorsYezhen ZHENG, Shaoyun ZHOU, Mengyan LIN, Disheng LAN
Life of this patent
Estimating the term…
Abstract
A secondary battery includes a positive electrode plate, a negative electrode plate, and an electrolyte. The electrolyte includes vinylene carbonate, and based on a total mass of the electrolyte, a mass percentage a of the vinylene carbonate is 0.1% to 3%. The positive electrode plate includes a positive electrode active material, the positive electrode active material includes carbon element, and based on a total mass of the positive electrode active material, a mass percentage b of the carbon element is 0.5% to 6%.
Claims20
A secondary battery, comprising a positive electrode plate, a negative electrode plate, and an electrolyte;
- wherein the electrolyte comprises vinylene carbonate;
- and based on a total mass of the electrolyte, a mass percentage a of the vinylene carbonate is 0.1% to 3%;
- and
- the positive electrode plate comprises a positive electrode active material, the positive electrode active material comprises carbon element;
- and based on a total mass of the positive electrode active material, a mass percentage b of the carbon element is 0.5% to 6%.
An electronic device, comprising a secondary battery, the secondary battery comprises a positive electrode plate, a negative electrode plate, and an electrolyte;
- wherein the electrolyte comprises vinylene carbonate;
- and based on a total mass of the electrolyte, a mass percentage a of the vinylene carbonate is 0.1% to 3%;
- and
- the positive electrode plate comprises a positive electrode active material, the positive electrode active material comprises carbon element;
- and based on a total mass of the positive electrode active material, a mass percentage b of the carbon element is 0.5% to 6%.
Dependencies are inferred from the claim text.