PATENT CLAIM ANALYSIS

Application Number: 16309848
Application Type: Utility
Filing Date: 2018-12
Publication Date: 2019-06
Patent Classification: ["252", "182100"]

Abstract:
A negative electrode active material containing a Si-containing alloy having a composition to be represented by Chemical Formula (1): Si x Sn y M z Al w A a  (in Chemical Formula (1) above, M is one or two or more transition metal elements, A is an unavoidable impurity, and x, y, z, w, and a represent values of percentage by mass, where y, z, and w are 2≤y≤10, 25≤z≤35, and 0.3≤w≤3, respectively, and x and a are remainder) is used in an electrical device, providing a means capable of improving the cycle durability of the electrical device such as a lithium ion secondary battery.

Claim (Index 2):
The negative electrode active material for an electrical device according to  claim 1 , wherein an atomic ratio of Sn to Al in the Si-containing alloy is from 0.3:1 to 3:1.

Metadata:
- Claim Count in Document: 7.0
- Percentile: 98.0
- Lexical Diversity: 1.75342
- Patent Class: 252.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15774920', '15774948', '13980194', '16309416', '15537270']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8502623877491422
- 35 USC 102 Novelty (BERT): 0.5822219373615962
- Combined Prediction Score: 0.8234583427103876
- Mean Citation Score: 357.245948
- Max Citation Score: 548.5244
- Similarity Product: 408.6627776183129

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

Dataset: test