All-solid-state secondary battery including anode active material alloyable with lithium and method of charging the same
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United States of America Patent
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Sep 19, 2023
Grant Date -
Jul 8, 2021
app pub date -
Mar 22, 2021
filing date -
Nov 21, 2017
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Abstract
An all-solid-state secondary battery including: a cathode including a cathode active material layer; an anode including an anode current collector, and an anode active material layer on the anode current collector, wherein the anode active material layer includes an anode active material which is alloyable with lithium or forms a compound with lithium; and a solid electrolyte layer between the cathode and the anode, wherein a ratio of an initial charge capacity (b) of the anode active material layer to an initial charge capacity (a) of the cathode active material layer satisfies a condition of Equation 1: 0.01<(b/a)<0.5, wherein a is the initial charge capacity of the cathode active material layer determined from a first open circuit voltage to a maximum charging voltage, and b is the initial charge capacity of the anode active material layer determined from a second open circuit voltage to 0.01 volts vs. Li/Li+.
First Claim
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Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SAMSUNG ELECTRONICS CO LTD | GYEONGGI DO SOUTH KOREA GYEONGGI-DO |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Aihara, Yuichi | Yokohama, JP | 92 | 457 |
Suzuki, Naoki | Yokohama, JP | 123 | 1425 |
Yamada, Takanobu | Yokohama, JP | 72 | 632 |
Yashiro, Nobuyoshi | Yokohama, JP | 24 | 104 |
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