Energy storage device, and method of manufacturing the energy storage device
KR1020260137895APending Publication Date: 2026-09-17TOYOTA INDUSTRIES CORP
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Patent Information
- Application Number
- KR1020267025995
- Authority / Receiving Office
- KR · KR
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-01-15
- Filing Date
- 2025-01-08
- Publication Date
- 2026-09-17
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Figure PCT00006_ABST
Abstract
The capacitor (10) comprises a positive electrode (21) having a positive electrode active material layer (21b), a negative electrode (22) having a negative electrode active material layer (22b), a separator (23) disposed between the positive electrode (21) and the negative electrode (22), and a liquid electrolyte disposed between the positive electrode (21) and the negative electrode (22), wherein the weight per unit area of the negative electrode active material layer (22b) is 200 g / m² or more. The negative electrode active material layer (22b) comprises graphite particles, carbon fibers, and a negative electrode binder. The liquid electrolyte comprises lithium difluorophosphate and vinylene carbonate.
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