PATENT CLAIM ANALYSIS

Application Number: 15754630
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-08
Patent Classification: ["429", "319000"]

Abstract:
Disclosed is a method of preparing a solid electrolyte, which includes (a) preparing a solid electrolyte precursor slurry by subjecting a mixed solution including a metal precursor solution, containing a lanthanum precursor, a zirconium precursor and an aluminum precursor, a complexing agent, and a pH controller to coprecipitation, (b) preparing a solid electrolyte precursor by washing and drying the solid electrolyte precursor slurry, (c) preparing a mixture by mixing the solid electrolyte precursor with a lithium source, and (d) preparing an aluminum-doped lithium lanthanum zirconium oxide (LLZO) solid electrolyte by calcining the mixture, and which is also capable of adjusting the aluminum content of a starting material to thus control sintering properties and of adjusting the composition of a precursor and a lithium source to thus control the crystal structure, thereby improving the ionic conductivity of the solid electrolyte. In addition, a method of manufacturing an all-solid-state lithium secondary battery, including a solid electrolyte having improved ion conductivity, can be provided using the method of preparing the solid electrolyte.

Claim (Index 10):
The method of  claim 9 , wherein the lanthanum nitrate is La(NO 3 ) 3 .6H 2 O, the zirconium nitrate is ZrO(NO 3 ) 2 .2H 2 O, and the aluminum nitrate is Al(NO 3 ) 3 .9H 2 O.

Metadata:
- Claim Count in Document: 19.0
- Percentile: 88.0
- Lexical Diversity: 2.4557
- Patent Class: 429.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['14937747', '14608906', '14429687', '14274675', '15346105']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8701555060115459
- 35 USC 102 Novelty (BERT): 0.5146579887619637
- Combined Prediction Score: 0.8346057542865877
- Mean Citation Score: 256.937394
- Max Citation Score: 289.87573
- Similarity Product: 204.31941457560657

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test