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

專利號(hào)
US11177471B2
公開日期
2021-11-16
申請(qǐng)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

Silicon alloy B Silicon alloy material refers to the general class of materials disclosed in U.S. Pat. No. 8,071,238 B2. More specifically, the composition that was used for experiments has the formula Si75.42Fe13.89C10.70. Available from 3M Co., St. Paul, MN. Silicon alloy C Silicon alloy material, refers to the general class of materials disclosed in U.S. Pat. No. 8,753,545 B2. More specifically, the composition that was used for experiments has the formula Si68.49Fe12.60O18.90. Available from 3M Co., St. Paul, MN. Silicon alloy D Silicon alloy material refers to the general class of materials disclosed in U.S. Pat. Appl. No. 2014261899. More specifically, the composition that was used for experiments has the formula Si73.27Sn1.73Fe21.49C3.51. Available from 3M Co., St. Paul, MN. Silicon alloy E Nano carbon coated silicon alloy Si75.42Fe13.89C10.70. Available from 3M Co., St. Paul, MN. Super P carbon black Conductive carbon black available under the trade name “SUPERP” from Timcal Ltd., Bodio, Switzerland. Urea CH4N2O, available from Sigma-Aldrich, St. Louis, MO. Cu(NO3)2?3H2O

權(quán)利要求

1
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