18477100. ALL-SOLID SECONDARY BATTERY simplified abstract (SAMSUNG SDI CO., LTD.)
Contents
- 1 ALL-SOLID SECONDARY BATTERY
- 1.1 Organization Name
- 1.2 Inventor(s)
- 1.3 ALL-SOLID SECONDARY BATTERY - A simplified explanation of the abstract
- 1.4 Simplified Explanation
- 1.5 Potential Applications
- 1.6 Problems Solved
- 1.7 Benefits
- 1.8 Potential Commercial Applications
- 1.9 Possible Prior Art
- 1.10 Unanswered Questions
- 1.11 Original Abstract Submitted
ALL-SOLID SECONDARY BATTERY
Organization Name
Inventor(s)
Taehyun Park of Yongin-si (KR)
ALL-SOLID SECONDARY BATTERY - A simplified explanation of the abstract
This abstract first appeared for US patent application 18477100 titled 'ALL-SOLID SECONDARY BATTERY
Simplified Explanation
The abstract describes an all-solid secondary battery with a positive electrode layer containing a lithium-containing sulfide-based positive active material. The battery also includes a negative electrode layer and a solid electrolyte layer between the positive and negative electrodes.
- The battery includes a positive current collector and a positive active material layer with a composite electrolyte and a lithium-containing sulfide-based positive active material.
- The composite electrolyte consists of a polymer, a lithium salt, and an ionic liquid with low solubility of lithium polysulfide.
Potential Applications
The technology could be applied in electric vehicles, portable electronics, and grid energy storage systems.
Problems Solved
This innovation addresses the issues of energy density, safety, and cycle life in secondary batteries.
Benefits
The benefits of this technology include improved energy storage capacity, enhanced safety due to the solid electrolyte, and longer cycle life.
Potential Commercial Applications
The technology could find commercial applications in the electric vehicle industry, consumer electronics sector, and renewable energy storage market.
Possible Prior Art
One possible prior art could be the development of solid-state batteries with different types of electrolytes and active materials.
Unanswered Questions
1. What specific manufacturing processes are required to produce this type of all-solid secondary battery? 2. How does the performance of this battery compare to traditional lithium-ion batteries in terms of energy density and charging speed?
Original Abstract Submitted
An all-solid secondary battery including a positive electrode layer including a positive current collector and a positive active material layer on one or more surfaces of the positive current collector is provided. The battery includes a negative electrode layer and a solid electrolyte layer between the positive electrode layer and the negative electrode layer. The positive active material layer includes a composite electrolyte and a lithium-containing sulfide-based positive active material including LiS and/or a LiS— containing composite. The composite electrolyte includes a polymer, a lithium salt, and an ionic liquid having a saturated solubility of lithium polysulfide of 5 wt % or less at 25° C.
