Conducting polymer network/graphene-protected negative electrode for a lithium-ion battery
US12009505B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 2020 |
| Grant date | Jun 11, 2024 |
| Priority date | — |
| Expiry date | Oct 18, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a composite layer of graphene sheets and anode particles being dispersed in a conducting polymer network for a lithium battery anode (negative electrode), the layer comprising a mixture of a conducting polymer network, multiple graphene sheets, and multiple particles of an anode active material, wherein the anode particles have a diameter or thickness from 0.5 nm to 20 μm and occupy from 30% to 98% by weight, the graphene sheets occupy from 0.01% to 25% by weight, and the conducting polymer network occupies from 1% to 30% by weight based on the total mixture weight and wherein the graphene sheets and the conducting polymer network together form dual conducting pathways for both electrons and lithium ions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.