18480106. SILICON COMPOSITE CLUSTER AND CARBON COMPOSITE THEREOF, AND ELECTRODE, LITHIUM BATTERY, AND ELECTRONIC DEVICE EACH INCLUDING THE SAME simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)

SILICON COMPOSITE CLUSTER AND CARBON COMPOSITE THEREOF, AND ELECTRODE, LITHIUM BATTERY, AND ELECTRONIC DEVICE EACH INCLUDING THE SAME

Organization Name

SAMSUNG ELECTRONICS CO., LTD.

Inventor(s)

Inhyuk Son of Yongin-si (KR)

Mijong Kim of Suwon-si (KR)

Jumyeung Lee of Suwon-si (KR)

Minwoo Lim of Hwaseong-si (KR)

Junghyun Choi of Yongin-si (KR)

Sungsoo Han of Hwaseong-si (KR)

SILICON COMPOSITE CLUSTER AND CARBON COMPOSITE THEREOF, AND ELECTRODE, LITHIUM BATTERY, AND ELECTRONIC DEVICE EACH INCLUDING THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18480106 titled 'SILICON COMPOSITE CLUSTER AND CARBON COMPOSITE THEREOF, AND ELECTRODE, LITHIUM BATTERY, AND ELECTRONIC DEVICE EACH INCLUDING THE SAME

Simplified Explanation

The patent application describes a porous silicon composite material with a core-shell structure. The core is made up of porous silicon composite secondary particles, while the shell surrounds the core. The secondary particles consist of silicon composite primary particles, which contain silicon, a silicon suboxide layer on the surface of the silicon, and a first graphene layer on the surface of the silicon suboxide. The shell includes a second graphene layer, and either the first graphene or the second graphene contains nitrogen, phosphorus, or sulfur.

• The patent application describes a porous silicon composite material with a core-shell structure.
• The core is made up of porous silicon composite secondary particles.
• The secondary particles consist of silicon composite primary particles.
• Each primary particle contains silicon, a silicon suboxide layer, and a first graphene layer.
• The shell surrounds the core and includes a second graphene layer.
• Either the first graphene or the second graphene contains nitrogen, phosphorus, or sulfur.

Potential Applications:

• Energy storage devices, such as lithium-ion batteries, due to the high surface area and improved conductivity of the porous silicon composite material.
• Catalyst support material for various chemical reactions, benefiting from the unique properties of the graphene layers and the porous structure.

Problems Solved:

• Enhanced stability and performance of energy storage devices by utilizing the unique properties of the porous silicon composite material.
• Improved catalytic activity and selectivity in chemical reactions by using the core-shell structure and the graphene layers.

Benefits:

• Increased energy storage capacity and faster charging/discharging rates in batteries.
• Higher catalytic efficiency and improved control over chemical reactions.
• Potential for cost-effective and scalable production of the porous silicon composite material.

Original Abstract Submitted

A porous silicon composite includes: a porous core including a porous silicon composite secondary particle; and a shell disposed on a surface of the porous core and surrounding the porous core, wherein the porous silicon composite secondary particle includes an aggregate of silicon composite primary particles, each including silicon, a silicon suboxide on a surface of the silicon, and a first graphene on a surface of the silicon suboxide, wherein the shell include a second graphene, and at least one of the first graphene and the second graphene includes at least one element selected from nitrogen, phosphorus, and sulfur.