PATENT CLAIM ANALYSIS

Application Number: 15761450
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2019-02
Patent Classification: ["252", "500000"]

Abstract:
The invention provides a dual component lithium-rich layered oxide positive electrode material for a secondary battery, the material consisting of a single-phase lithium metal oxide with space group R-3m and having the general formula Li 1 + b N 1−b O 2 , wherein 0.155≤b≤0.25 and N=Ni x Mn y CO z Zr c A d , with 0.10≤x≤0.40, 0.30≤y≤0.80, 0<z≤0.20, 0.005≤c≤0.03, and 0≤d≤0.10, and wherein x+y+z+c+d=1, with A being a dopant comprising at least one element, and the material further consisting of a Li 2 ZrO 3  component.

Claim (Index 22):
A method for preparing the dual component lithium-rich layered oxide positive electrode material according to  claim 15 , comprising:\n providing a precursor comprising Ni, Mn and Co, providing a precursor comprising Zr that is insoluble in water, providing a precursor comprising dopant A, providing a precursor comprising Li, preparing a dry mixture comprising the precursors of Ni, Mn and Co; lithium, Zr and A, wherein the amounts of the different elements are stoichiometrically controlled to reach a general formula Li 1+b N 1\u2212b O 2 , with 0.155\u2264b\u22640.25 and N=Ni x Mn y Co z Zr c A d , with 0.10\u2264x\u22640.40, 0.30\u2264y\u22640.80, 0<z\u22640.20, 0.005\u2264c\u22640.03, and 0\u2264d\u22640.10, and wherein x+y+z+c+d=1, heating the mixture to a sintering temperature of at least 700\u00b0 C., sintering the mixture at the sintering temperature for a period of time, and cooling the sintered mixture.

Metadata:
- Claim Count in Document: 35.0
- Percentile: 90.0
- Lexical Diversity: 1.44928
- Patent Class: 252.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15757035', '15122942', '15746113', '14650979', '14978808']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8033063747991076
- 35 USC 102 Novelty (BERT): 0.5153291261870918
- Combined Prediction Score: 0.774508649937906
- Mean Citation Score: 310.645154
- Max Citation Score: 332.5338
- Similarity Product: 254.27757513867616

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