Title: Conformal graphene cage encapsulated battery electrode materials and methods of forming thereof

Abstract

A conformal graphene-encapsulated battery electrode material is formed by: (1) coating a battery electrode material with a metal catalyst to form a metal catalyst-coated battery electrode material; (2) growing graphene on the metal catalyst-coated battery electrode material to form a graphene cage encapsulating the metal catalyst-coated battery electrode material; and (3) at least partially removing the metal catalyst to form a void inside the graphene cage.

Inventors:

Li, Yuzhang; Yan, Kai; Lu, Zhenda; Cui, Yi

Issue Date:

Tue Dec 29 00:00:00 EST 2020

Research Org.:

SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

1771776

Patent Number(s):

10879526

Application Number:

15/178,366

Assignee:

The Board of Trustees of the Leland Stanford Junior University (Stanford, CA)

Patent Classifications (CPCs):

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

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H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

H01M10/052 - Li-accumulators
H01M2004/021 - {Physical characteristics, e.g. porosity, surface area}
H01M4/0471 - {involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis}
H01M4/049 - {Manufacturing of an active layer by chemical means}
H01M4/0492 - {Chemical attack of the support material}
H01M4/134 - Electrodes based on metals, Si or alloys
H01M4/366 - {as layered products}
H01M4/386 - {Silicon or alloys based on silicon}
H01M4/387 - {Tin or alloys based on tin}
H01M4/483 - {for non-aqueous cells
H01M4/625 - {Carbon or graphite}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

Y02E60/10 - Energy storage

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DOE Contract Number:  

AC02-76SF00515

Resource Type:

Patent

Resource Relation:

Patent File Date: 06/09/2016

Country of Publication:

United States

Language:

English