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A few days ago, Huawei's new patent related to lithium battery was disclosed in the SooPAT patent network.
The patent is entitled "lithium battery fluid collector, electrode and lithium battery and its preparation method, and lithium battery application".
According to the description of the SooPAT patent network, Huawei's invention discloses a lithium battery collector and its preparation method, a lithium battery electrode and its preparation method, a lithium battery and its preparation method and application.
The lithium battery fluid collector includes a porous fluid collector body, in which a lithium source material is also filled or/and deposited, and the lithium source material is lithium metal or/or lithium-rich material.
The lithium battery electrode and lithium battery contain the lithium battery collector. The lithium battery fluid collector of the invention enables the lithium source material to be effectively fixed in the fluid collector body. The lithium battery electrode plate containing the lithium battery collector can ionize the lithium in the lithium source material during the electrochemical activation, and be completely absorbed by the positive active substance in the positive layer or the negative active substance in the negative layer, so as to compensate for the loss of lithium ion during the first charge/discharge process, thus reducing the irreversible capacity.
Therefore, the lithium battery has high first coulomb efficiency, capacity and safety performance.
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