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Lithium-ion battery anode material series(4) Aug 19, 2022

Lithium-ion battery anode material series four - the detection of related properties of graphite anode sheet The last article mainly introduced some basic process data that need to be detected in the process of homogenization, coating and rolling of negative electrode materials. For lithium-ion battery enterprises, the fluctuation and change of these data can be monitored in the actual production ...

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Lithium-ion battery anode material series(3) Aug 18, 2022

Lithium-ion battery anode material series three - related testing knowledge of graphite materials during processing The previous article mainly introduced the basic physical properties of graphite anode materials. As a lithium-ion battery company, the raw materials will eventually appear in front of consumers as products. When you get a negative electrode material, how can the material be It is th...

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Lithium-ion battery anode material series (2) Aug 11, 2022

The last article in the series of negative electrode materials for lithium ion batteries - the introduction of basic knowledge of graphite materials mainly introduces the basic knowledge of negative electrode materials. When we get a negative electrode material, how can we test its performance? What is the basis? Some basic physical properties are used to select negative electrode materials. The s...

Introduction to the Basic Knowledge of Graphite Materials in Lithium-ion Battery Anode Materials Series Aug 09, 2022

As one of the four main materials of lithium-ion batteries, the negative electrode material, its specific capacity and operating voltage directly determine the energy density and operating voltage of the battery. Although silicon materials are gradually becoming industrialized, the current mainstream negative electrode materials are still graphite. The negative electrode material has a lower lithi...

How to improve the energy density of lithium batteries? Aug 04, 2022

Energy density refers to the amount of energy stored in a certain unit of space or mass of matter. The energy density of a battery is the electrical energy released by the average unit volume or mass of the battery. The energy density of a battery is generally divided into two dimensions: gravimetric energy density and volumetric energy density. What is energy density? Energy density refers to the...

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What is the voltage of lithium iron phosphate battery and the voltage of lithium ion battery? Aug 03, 2022

The upper limit of the charging voltage of a single lithium iron phosphate battery is 3.65V. Generally, the upper limit voltage of lithium iron phosphate battery charging is 3.7~4V, and the lower limit voltage of discharging is 2~2.5V. The voltage of lithium battery is one of the important indicators to measure the discharge performance of lithium battery. The unit is volts. LiFePO4 battery voltag...

What is the efficient recovery technology of valuable metals from waste lithium-ion batteries (B)? Jul 28, 2022

1.3 Separation, Recovery and Utilization of Valuable Metals The recovery and utilization of valuable metals in waste lithium-ion batteries is mainly the recovery of positive active materials. Cathode recycling and processing methods mainly include biological method, high temperature combustion method, acid dissolution method and electrochemical dissolution method. 1.3.1 Biological Law The biologic...

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What is the efficient recovery technology of valuable metals from waste lithium-ion batteries（A）? Jul 26, 2022

The high-efficiency recovery technology of valuable metals from waste lithium-ion batteries has become a research hotspot at home and abroad. Aiming at the current status of the recovery technology of valuable metals in waste lithium-ion batteries, this paper introduces the research methods of pretreatment and cathode material treatment in the recovery process of valuable metals, and briefly evalu...

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How to evaluate the safety of lithium batteries(B)? Jul 21, 2022

2.1 Abuse testing The International Electrotechnical Commission (IEC), Underwriters Laboratories (UL) and the Japan Battery Association (JSBA) initially defined the abuse test for consumer electronics cells, simulating the extreme conditions that cells may encounter when working, usually divided into thermal abuse, Electrical and mechanical abuse. The common thermal abuse is the hot box test, the ...

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