LITHIUM IONIC ENERGY STORAGE ELEMENT AND METHOD FOR MAKING THE SAME

摘要

A lithium ionic energy storage element comprises a positive electrode having a first current collector and a positive electrode active substance provided on the first current collector; a negative electrode having a second current collector and a negative electrode active substance provided on the second current collector, wherein the negative electrode active substance is a material selected from the group consisting of carbon-containing materials, Si alloy and Sn alloy; and an electrolyte, wherein the positive electrode active substance comprises a lithium ion donor including lithium peroxide, lithium oxide or the mixture thereof and a positive electrode frame active substance. The invention also relates to a method for making a lithium ionic energy storage element.

主权项

1. A positive electrode active substance used in a lithium ionic energy storage element, the positive electrode active substance comprising a lithium ion donor and a positive electrode frame active substance, wherein the lithium ion donor includes lithium peroxide, lithium oxide or a combination of lithium peroxide and lithium oxide; and the positive electrode frame active substance is a material selected from the group consisting of anatase titanium dioxide, carbon-sulfur composite, carbon-containing materials, carbon fluoride and—is lithium metallic oxides.