PATENT CLAIM ANALYSIS

Application Number: 15771284
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2018-11
Patent Classification: ["429", "218100"]

Abstract:
The present invention relates to a negative electrode active material including a secondary particle in which primary particles are aggregated, wherein the primary particle includes: a core including one or more of silicon and a silicon compound; and a surface layer which is disposed on a surface of the core and contains carbon, wherein an average particle size D 50  of the core is in a range of 0.5 μm to 20 μm, a method of preparing the same, an electrode including the same, and a lithium secondary battery including the same.

Claim (Index 6):
The negative electrode active material according to  claim 1 , wherein a porosity between the primary particles is in the range of 2% to 50% based on the total volume of the secondary particle.

Metadata:
- Claim Count in Document: 2.0
- Percentile: 91.0
- Lexical Diversity: 1.81818
- Patent Class: 429.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15751916', '15295330', '13464404', '13117406', '15684135']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8912413760029987
- 35 USC 102 Novelty (BERT): 0.4951662735382608
- Combined Prediction Score: 0.851633865756525
- Mean Citation Score: 227.01045000000005
- Max Citation Score: 248.95642
- Similarity Product: 178.95048515890122

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

Dataset: test