Title:
ALL-SOLID-STATE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/108262
Kind Code:
A1
Abstract:
Provided is an all-solid-state secondary battery comprising: a positive electrode layer; a negative electrode layer; and a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer, wherein the positive electrode layer includes a positive electrode current collector and a positive electrode active material layer disposed on the positive electrode current collector. The positive electrode active material layer includes; a first positive electrode active material layer disposed on a central portion of the positive electrode current collector; and a second positive electrode active material layer surrounding the side surfaces of the first positive electrode active material layer, and disposed on the periphery of the positive electrode current collector. The negative electrode layer includes: a negative electrode current collector; and a first negative electrode active material layer or a third negative electrode active material layer disposed on the negative electrode current collector.
Inventors:
KWON TAE RI (KR)
Application Number:
PCT/KR2021/016565
Publication Date:
May 27, 2022
Filing Date:
November 12, 2021
Export Citation:
Assignee:
SAMSUNG SDI CO LTD (KR)
International Classes:
H01M4/131; H01M4/36; H01M4/505; H01M4/525; H01M4/587; H01M4/62; H01M10/052; H01M10/0562
Foreign References:
| KR20190065963A | 2019-06-12 | |||
| KR20170023298A | 2017-03-03 | |||
| KR101906901B1 | 2018-10-11 | |||
| JP2020528643A | 2020-09-24 | |||
| KR20200022490A | 2020-03-03 |
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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