Eve Energy Co., Ltd.

Zhongzhi Yuan

Jincheng Liu

Jianhua Liu

Yuan Zhu

Chuiyi Luo

Fang Bu

Yumei Chen

Fanfen Liu

Junming Zhu

Zhijian Zhang

Huiming Ge

Zhengzhong Lv

The present invention relates to a positive electrode of a hybrid capacitor, a manufacturing method therefor and a use thereof. The positive electrode comprises a current collector, and a bonding layer and a positive electrode material layer sequentially located on a surface of the current collector. The bonding layer comprises a first adhesive. The positive electrode material layer comprises a second adhesive, conductive agents, a positive electrode active substance and a lithium-rich compound. The conductive agents comprise a first conductive agent and a second conductive agent. The first conductive agent comprises at least one of graphite powder, conductive carbon black or acetylene black. The second conductive agent comprises at least one of a graphene material and a one-dimensional carbon material.

Positive electrode of hybrid capacitor and manufacturing method therefor and use thereof

The present application provides a capacitor, a manufacturing method therefor, and a use thereof. The capacitor comprises a housing (), a cell located in the housing (), and a sealing device located at an opening of the housing (). The capacitor has good sealing performance and a high energy density, can discharge at a large rate at −50° C.-125° C., can be stored at 85° C.&85% RH, and meets the requirements of industrial IoT power supply.

Capacitor, manufacturing method therefor, and use thereof

A structure for sealing a button-type lithium cell includes a cell cover, a sealing ring and a cell casing. The cell cover includes an overlapping structure. The overlapping structure includes a first overlapping portion, a second overlapping portion and a third overlapping portion and the third overlapping portion includes a locking portion and a sealing portion. The cell casing includes a sealing structure. The sealing structure includes a first sealing portion, a second sealing portion, a third sealing portion and a fourth sealing portion. The first overlapping portion abuts against the fourth sealing portion through the sealing ring, the second overlapping portion abuts against the third sealing edge through the sealing ring, the locking portion of the third overlapping portion abuts against the second sealing edge through the sealing ring, and the sealing portion of the third overlapping portion abuts against the first sealing edge through the sealing ring.

Structure and method for sealing a button-type lithium cell

The present invention discloses a lithium battery, which comprises of a positive electrode plate, a negative electrode current collector substrate, a separator and electrolyte between the positive electrode plate and the negative electrode current collector substrate. The positive electrode plate comprises a positive electrode collector, a positive electrode active material-containing positive electrode layer attached to the positive electrode collector and positive electrode tab welded to the positive electrode collector. The negative electrode current collector substrate comprises a negative electrode current collector and negative electrode tab welded to the negative electrode current collector. The negative electrode current collector substrate is a current collector substrate with 6&#x2dc;60 &#x3bc;m thickness having a planar or concavo-convex structure which is made from metal foil material or metal mesh with 6&#x2dc;25 &#x3bc;m thickness. The electrolyte contains lithium salt and solvent, wherein the lithium salt is lithium hexafluorophosphate and its concentration in the electrolyte is between 1.5&#x2dc;7 mol/L. The lithium battery of the present invention has characteristics of high power, high energy and low self-discharge rate. Meanwhile, the present invention also discloses a preparation method of the lithium battery and use thereof.

Lithium battery and the preparation method thereof

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Huizhou, China

Zhongzhi Yuan