Invention Grant
- Patent Title: Non-aqueous electrolyte for secondary battery, secondary battery having the same and method of manufacturing the same
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Application No.: US16279888Application Date: 2019-02-19
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Publication No.: US11444328B2Publication Date: 2022-09-13
- Inventor: Hidekazu Yamamoto , Tomonobu Mizumo , Kenichi Kawase
- Applicant: SAMSUNG SDI CO., LTD.
- Applicant Address: KR Yongin-si
- Assignee: SAMSUNG SDI CO., LTD.
- Current Assignee: SAMSUNG SDI CO., LTD.
- Current Assignee Address: KR Yongin-si
- Agency: Lewis Roca Rothgerber Christie LLP
- Priority: JPJP2018-028126 20180220,KR10-2018-0093240 20180809
- Main IPC: H01M10/0569
- IPC: H01M10/0569 ; H01M10/0525

Abstract:
A non-aqueous electrolyte for secondary battery, secondary battery having the same and a method of manufacturing the same are provided. The non-aqueous electrolyte includes an electrolytic salt having an electrolytic salt concentration of about 0.5 M (mol/L) to about 3.8 M (mol/L) in the non-aqueous electrolyte, a first solvent having a solubility of the electrolytic salt in a range from about 100 g to about 400 g, and a second solvent having a solubility of the electrolytic salt of less than or equal to about 1 g. The first solvent includes a coordination solvent coordinated with an ionized ion from the electrolytic salt and a free solvent that is not coordinated with an ionized ion from the electrolytic salt, and a peak area ratio of the free solvent determined by a Raman spectrum is less than about 20%.
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