Universal electrode material for lithium-sulfur battery and preparation method thereof

A general-purpose electrode and composite material technology, applied in battery electrodes, lithium batteries, negative electrodes, etc., can solve the problems of dendrite growth, sulfur positive electrode shuttle effect, etc., and achieve the effect of low cost and simple preparation process
CN111900402APending Publication Date: 2020-11-06INT ACAD OF OPTOELECTRONICS AT ZHAOQING SOUTH CHINA NORMAL UNIV
10 Cites 2 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INT ACAD OF OPTOELECTRONICS AT ZHAOQING SOUTH CHINA NORMAL UNIV
Publication Date
2020-11-06

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention belongs to the technical field of lithium-sulfur batteries, and particularly relates to a universal electrode material for a lithium-sulfur battery and a preparation method thereof. Theuniversal electrode material is a compact and highly-ordered three-dimensional graphene solid composite material. The material is a universal electrode material, can solve the problems of shuttle effect and the like on one side of a sulfur positive electrode, and can also solve the problems of dendritic crystal growth and the like on one side of a lithium negative electrode. The universal electrode material has high conductivity and high specific surface area, can maintain a stable structure in an electrolyte, and has important significance for research of a lithium-sulfur battery. The preparation method is simple, effective and easy to operate.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the technical field of lithium-sulfur batteries, and in particular relates to a general-purpose electrode material for lithium-sulfur batteries and a preparation method thereof. Background technique

[0002] With the rapid development of modern science and technology, the capacity of commercially available batteries is basically close to its theoretical limit, and it is difficult to meet the increasing demand for environmentally friendly and high-energy-density secondary batteries in the current society. Therefore, seeking and developing a new generation of low-cost secondary battery materials with high energy density, long cycle life and environmental friendliness has become a current research hotspot. In many research fields, lithium-sulfur battery has become one of the most promising energy storage systems. It is a lithium secondary battery composed of elemental sulfur as the positive electrode and metal lithium as the negat...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More