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Anode materials for lithium ion batteries and methods of making and using same

專利號
US11177471B2
公開日期
2021-11-16
申請人
JOHNSON MATTHEY PUBLIC COMPANY LIMITED（GB London）
發(fā)明人
Fuxia Sun
IPC分類
H01M4/36; H01M4/62; H01M10/0525; H01M4/134; H01M4/38; C22C24/00; C22C28/00; H01M4/02
技術(shù)領(lǐng)域
alloy,no3,silicon,ee,wt,electrode,lipaa,lithium,metal,coated
地域： London

摘要

An electrochemically active material includes a silicon alloy material having the formula: SiwM1xCyOz, where w, x, y, and z represent atomic % values and w+x+y+z=1; M1 comprises a transition metal; w>0; x>0; y≥0; and z≥0. The electrochemically active material also includes a metal-based material having the formula: M2aObAc, where a, b, and c represent atomic % values and a+b+c=1; M2 comprises a metal; A is an anion; a>0; b≥0; and c≥0.

說明書

0.614 E — 1.5 E-56 Cu(NO3)2?3H2O 1.24 E — 3.0 E-57 Cu(NO3)2?3H2O 1.878 E — 4.5 E-58 Cu(NO3)2?3H2O 3.196 E — 7.4 E-59 TiOSO4?2H2O 0.501 E — 1.0 E-60 TiOSO4?2H2O 1.533 E — 3.0 *All examples include 30.0 g urea and 600 mL deionized water unless otherwise indicated. ?Amount of silicon alloy used in each example was 20.0 g unless otherwise indicated.
Preparation of Coin Cell Electrodes

權(quán)利要求

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