Abstract:
An embodiment of the inventive concept provides a lithium battery including: a first pouch film; a first anode part on the first pouch film, the first anode part including a first anode terminal; a second cathode part on the first anode part; a polymer film on the second cathode part; a second anode part on the polymer film, the second anode part including a second anode terminal; a first cathode part on the second anode part; a second pouch film on the first cathode part; and an anode connector configured to penetrate the first and second anode terminals to provide an electrical connection between the first anode part and the second anode part.
Abstract:
Provided is a method for manufacturing a sulfide-based solid electrolyte including preparing a precursor comprising lithium sulfide, germanium sulfide, aluminum sulfide, phosphorus sulfide, and sulfur, conducting a mixing process of the precursor to prepare a mixture, and crystallizing the mixture to form a compound represented by Li9.7Al0.3Ge0.7P2S12. The sulfide-based solid electrolyte may have high ionic conductivity.
Abstract:
Provided is a lithium battery including a first pouch film, a first anode part on the first pouch film, a second cathode part on the first anode part, a polymer insulating film on the second cathode part, the polymer insulating film including a disk which is configured to penetrate the polymer insulating film, a second anode part on the polymer insulating film, a first cathode part on the second anode part, and a second pouch film on the first cathode part. Herein, the second cathode part is electrically connected to the second anode part through the disk.
Abstract:
A method of preparing a lithium battery according to an embodiment of the present invention may include preparing a mixture including lithium phosphorus sulfide and metal sulfide, preparing an electrode composite by applying a physical pressure to the mixture, wherein the electrode composite includes lithium phosphorus sulfide, lithium metal sulfide, and amorphous sulfide, preparing an electrode active layer by using the electrode composite, forming an electrode current collector on one side of the electrode active layer, and forming an electrolyte layer on another side of the electrode active layer.
Abstract:
A method of preparing a lithium phosphate-based solid electrolyte according to an embodiment of the present invention may include preparing a precursor solution which includes a lithium compound, a phosphate compound, and an aluminum compound, forming a first intermediate by performing a hydrothermal reaction process on the precursor solution, forming a second intermediate by calcinating the first intermediate, and crystallizing the second intermediate. The precursor solution may further include a metal compound or a metalloid compound. The lithium phosphate-based solid electrolyte of the present invention may have high ionic conductivity and high purity.
Abstract:
Disclosed are methods of forming lithium-aluminum-titanium phosphate. The method includes providing a precursor solution including a titanium compound and an aluminum compound, forming an intermediate using a hydrothermal reaction process performed on the precursor solution, adding a lithium compound and a phosphate compound to the intermediate, and firing a mixture of the lithium compound, the phosphate compound, and the intermediate.
Abstract:
A method of preparing a lithium phosphate-based solid electrolyte according to an embodiment of the present invention may include preparing a precursor solution which includes a lithium compound, a phosphate compound, and an aluminum compound, forming a first intermediate by performing a hydrothermal reaction process on the precursor solution, forming a second intermediate by calcinating the first intermediate, and crystallizing the second intermediate. The precursor solution may further include a metal compound or a metalloid compound. The lithium phosphate-based solid electrolyte of the present invention may have high ionic conductivity and high purity.
Abstract:
An oxide-based solid electrolyte according to the present invention may be LixLa3M2O12 and may have a cubic phase. The oxide-based solid electrolyte may further include first and second dopants. A method of preparing an oxide-based solid electrolyte according to the concept of the present invention may include mixing a lithium compound, a lanthanum compound, a metal compound, a first dopant precursor, and a second dopant precursor to prepare an intermediate, and crystallizing the intermediate to prepare LixLa3M2O12 crystals having a cubic phase.
Abstract:
A solid polymeric electrolyte and a lithium battery with the same. The electrolyte includes a polymer matrix, which may have a mesh structure with the polymer matrix being formed of a cured photo-crosslinking agent. The electrolyte also includes inorganic particles distributed in the polymer matrix, and a lithium salt and an organic solvent impregnated between the polymer matrix and the inorganic particles. The electrolyte has a first portion, a second portion, and a third portion connecting the first and second portions, wherein one of the first, second, and third portions is located apart from a flat plane connecting the others. The lithium battery includes an anode electrode provided with an anode active material and an anode current collector, and a cathode electrode provided with a cathode active material and a cathode current collector and disposed to face the anode electrode, with the electrolyte interposed between the two electrodes.
Abstract:
Provided is a method for manufacturing a solid electrolyte including preparing a preparation solution by dissolving first polymers and second polymers in a cosolvent which includes a first cosolvent and a second cosolvent, preparing a mixture solution by adding a lithium solution to the preparation solution, preparing an electrolyte paste by removing the second cosolvent in the mixture solution, and forming an electrolyte film by coating the electrolyte paste on a substrate.