Invention Application
- Patent Title: NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
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Application No.: US17728987Application Date: 2022-04-26
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Publication No.: US20220255083A1Publication Date: 2022-08-11
- Inventor: MASAHISA FUJIMOTO
- Applicant: Panasonic Intellectual Property Management Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee Address: JP Osaka
- Priority: JP2019-211855 20191122
- Main IPC: H01M4/66
- IPC: H01M4/66 ; H01M10/0569

Abstract:
A nonaqueous electrolyte secondary battery includes a positive electrode capable of occluding and releasing lithium, a negative electrode including a negative electrode current collector, and an electrolyte solution including a solvent. In the nonaqueous electrolyte secondary battery, lithium metal precipitates on the negative electrode during charging. The lithium metal dissolves in the electrolyte solution during discharging. The solvent is composed only of vinylene carbonate.
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