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Cell-core for lithium slurry battery, and lithium slurry battery module

專利號(hào)
US10868337B2
公開日期
2020-12-15
申請(qǐng)人
BEIJING HAWAGA POWER STORAGE TECHNOLOGY COMPANY LTD.; HEBEI MAYJOY BATTERY COMPANY LTD.(CN Beijing CN Heibei)
發(fā)明人
Yongchong Chen; Yingyuan He; Xiaohu Zhang; Bin Zhang; Caimei Feng; Yanping Zhang; Ping Zhang
IPC分類
H01M2/12; H01M10/058; H01M2/36; H01M2/04; H01M10/052; H01M10/0585; H01M4/13; H01M10/0525; H01M4/72; H01M4/40; H01M4/66; H01M2/10; H01M4/74; H01M4/134; H01M4/04; H01M4/38; H01M4/02
技術(shù)領(lǐng)域
lithium,battery,cell,slurry,conductive,electrode,layer,shell,cathode,discharge
地域: Beijing

摘要

Provided is a no-liquid cell-core for a lithium slurry battery. The no-liquid cell-core comprises multiple positive electrode pieces and negative electrode pieces overlapping alternately. The positive electrode piece comprises an electric-conductive cathode layer and a cathode surface current-collecting layer, wherein the electric-conductive cathode layer contains a part or all of the electric-conductive cathode particles in accumulated state without adhesive bonding, and the cathode surface current-collecting layer is set on the surface of the electric-conductive cathode layer and contacted with it tightly. The negative electrode piece comprises an electric-conductive lithium-intercalatable anode layer which is a lithium-containing metal body and/or a layer containing a part or all of electric-conductive lithium-intercalatable anode particles in accumulated state without adhesive bonding. The peripheral edges of the positive electrode piece and/or the negative electrode piece are insulated and sealed. A lithium slurry battery module containing the no-liquid cell-core is also provided.

說明書

FIG. 1 is a schematic representation of the no-liquid cell for lithium slurry battery according to the first Example of the present disclosure. The cell-core of the lithium slurry battery comprises several positive electrode pieces 2 and negative electrode pieces 3 that overlap alternately. There is a separating space 4 with a height (h) of 0.1 to 1 mm provided between the positive electrode piece 2 and the negative electrode piece 3, and the separating space 4 may be filled with electrolyte. The positive electrode piece 2 comprises a positive electrode grid 207 having a through-hole grid unit, a cathode surface current-collecting layer 204, and an electric-conductive cathode layer consisting of a first electric-conductive cathode layer 202 and a second electric-conductive cathode layer 203. The electric-conductive cathode particles of the first electric-conductive cathode layer 202 penetrate into the pores of the cathode surface current-collecting layer 204, and the second electric-conductive cathode layer 203 is located between the two first electric-conductive cathode layers 202. The second electric-conductive cathode layer 203 comprises electric-conductive cathode particles without adhesive bonding. The negative electrode piece 3 comprises a first anode current-collecting layer 304 and an electric-conductive lithium-intercalatable anode layer 301, and the electric-conductive lithium-intercalatable anode layer 301 comprises electric-conductive lithium-intercalatable anode particles without adhesive bonding.

權(quán)利要求

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