18342893. ALL-SOLID-STATE SECONDARY BATTERY AND METHOD OF PREPARING THE SAME simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)

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ALL-SOLID-STATE SECONDARY BATTERY AND METHOD OF PREPARING THE SAME

Organization Name

SAMSUNG ELECTRONICS CO., LTD.

Inventor(s)

Jusik Kim of Suwon-si (KR)

Sewon Kim of Suwon-si (KR)

Yongsu Kim of Suwon-si (KR)

Ryounghee Kim of Suwon-si (KR)

Myungjin Lee of Suwon-si (KR)

ALL-SOLID-STATE SECONDARY BATTERY AND METHOD OF PREPARING THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18342893 titled 'ALL-SOLID-STATE SECONDARY BATTERY AND METHOD OF PREPARING THE SAME

Simplified Explanation

The abstract describes an all-solid-state battery that includes a cathode, an anode, and a solid electrolyte. The first anode active material layer is adjacent to the solid electrolyte and comprises M-MO, Li-M-MO, or a combination thereof. The second anode active material layer is arranged between the anode current collector and the first anode active material layer and includes a carbon-containing anode active material, or a carbon-containing anode active material and at least one metallic or metalloid anode active material.

  • The all-solid-state battery includes a cathode, an anode, and a solid electrolyte.
  • The first anode active material layer is adjacent to the solid electrolyte and comprises M-MO, Li-M-MO, or a combination thereof.
  • The second anode active material layer is arranged between the anode current collector and the first anode active material layer.
  • The second anode active material includes a carbon-containing anode active material, or a carbon-containing anode active material and at least one metallic or metalloid anode active material.

Potential applications of this technology:

  • Electric vehicles: All-solid-state batteries can provide higher energy density and improved safety, making them suitable for electric vehicles.
  • Portable electronics: The compact size and improved performance of all-solid-state batteries make them ideal for use in smartphones, tablets, and other portable electronic devices.
  • Renewable energy storage: All-solid-state batteries can store excess energy generated from renewable sources like solar and wind, helping to stabilize the grid and promote clean energy usage.

Problems solved by this technology:

  • Safety concerns: All-solid-state batteries eliminate the risk of electrolyte leakage and thermal runaway, addressing safety issues associated with traditional liquid electrolyte batteries.
  • Energy density: The use of solid electrolytes and advanced active materials allows for higher energy density, increasing the capacity and range of batteries.
  • Cycle life: All-solid-state batteries have the potential for longer cycle life compared to traditional batteries, reducing the need for frequent replacements.

Benefits of this technology:

  • Improved safety: The absence of flammable liquid electrolytes reduces the risk of fire and explosion, enhancing the safety of battery-powered devices.
  • Higher energy density: All-solid-state batteries offer higher energy density, enabling longer-lasting and more powerful battery performance.
  • Longer cycle life: The use of stable solid electrolytes and advanced active materials can result in batteries with longer cycle life, reducing the need for frequent replacements and improving overall battery lifespan.


Original Abstract Submitted

An all-solid-state battery including a cathode including a cathode active material; an anode including an anode current collector, a first anode active material layer, and a second anode active material layer; and a solid electrolyte arranged between the cathode and the anode, wherein the first anode active material layer is arranged adjacent to the solid electrolyte and comprises M-MO, Li-M-MO, or a combination thereof, wherein the first metal and the second metal are each independently at least one element that reacts with lithium to form a lithium alloy or compound, x>0, the second anode active material layer is arranged between the anode current collector and the first anode active material layer and includes a second anode active material, and the second anode active material includes a carbon-containing anode active material, or a carbon-containing anode active material, and at least one of a metallic or metalloid anode active material.

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