白丝美女被狂躁免费视频网站,500av导航大全精品,yw.193.cnc爆乳尤物未满,97se亚洲综合色区,аⅴ天堂中文在线网官网

Positive electrode material of lithium-ion battery and preparation method therefor

專利號(hào)
US11996560B1
公開(kāi)日期
2024-05-28
申請(qǐng)人
Beijing Easpring Material Technology Co., Ltd.（CN Beijing）
發(fā)明人
Junfan Tong; Yanbin Chen; Yuqiang Jin; Wenbo Wang; Xuequan Zhang; Yafei Liu
IPC分類(lèi)
H01M4/00; C01G53/00; H01M4/131; H01M4/505; H01M4/525; H01M10/0525
技術(shù)領(lǐng)域
calcining,electrode,positive,manganese,cobalt,dopant,material,nickel,lithium,in
地域： Beijing

摘要

The present disclosure relates to a positive electrode material for a lithium ion battery and its preparation. The positive electrode material in accordance with the present disclosure has an intrinsic specific surface area of 5-13 m2/g. The positive electrode material in accordance with the present disclosure has an intrinsic specific surface area and an intrinsic pore size within the required ranges. In this regard, the positive electrode material in accordance with the present disclosure has excellent particle strength, excellent Li ion transference ability, and good resistance to electrolyte erosion. When used in lithium batteries, it may impart the batteries with excellent rate performance and cycle performance. The present disclosure also relates to a method for preparing the positive electrode material.

說(shuō)明書(shū)

  • wherein, Zre was the real part of the impedance pattern obtained from the test, Rs is the solution resistance, and Rct is the resistance to charge transferring, ω is the angular frequency, f is the testing frequency, σ is the Warburg factor;
  • Li+ diffusion coefficient in the bulk of the materials was calculated according to the following Lithium Ion Diffusion Coefficient Calculation formula:
    DLi+=R2T2/(2A2n4F4C2σ2)
  • wherein R is the ideal gas constant, T is the absolute temperature, A is the cross-sectional area of the electrode, n is the electron transfer number, F is the Faraday constant, and C is the concentration of lithium ion in the electrode.

    • Example 1-1

    (1) The Preparation of a Precursor of the Nickel Cobalt Manganese Active Materials.

    權(quán)利要求

    1
    微信群二維碼
    意見(jiàn)反饋