Secondary Battery Electrolyte Additive for Stable High Energy Density
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing secondary batteries do not achieve sufficient battery characteristics, necessitating improvements for enhanced performance.
Innovation Solution
Incorporation of a titanium-containing compound in the anode and a predetermined amount of a dicarbonyl compound in the electrolytic solution to enhance battery characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If small and light-weight secondary batteries are developed for high energy density, then energy density is improved, but battery characteristics are not sufficient
Solution Approach 1:
The patent modifies the electrolytic solution additive parameter from conventional options to a dicarbonyl compound with specific molecular structure (formulas 1 and 2). This parameter change in the additive's chemical composition enables the battery to achieve both high energy density and superior battery characteristics, resolving the trade-off between energy density and overall battery performance.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The secondary battery achieves superior battery characteristics, benefiting battery packs, electric vehicles, electric power storage systems, and electronic apparatuses.
Implementation Method 1
the electrolytic solution includes a predetermined amount of a dicarbonyl compound... makes it possible to achieve superior battery characteristics
Data Source
Figure 1
Figure 2~3
Figure 4
AI summary
There is provided a secondary battery including: a cathode; an anode including a titanium-containing compound; and an electrolytic solution including a dicarbonyl compound (4). A content of the dicarbonyl compound is from 0.01 wt% to 5 wt% both inclusive.